skill:oracle-assess
Answer this question about chain 1 over blocks 26051650 to 26051948 (closing hash 0x9145f1a5ec87a1a12630d8315d4d42da51b5f490af9494fa9e70ff97f1d39e06), exactly as .imd/reads/oracle.json pins it: What air temperature, in whole degrees Celsius, did the last routine METAR for KSEA (Seattle-Tacoma International Airport, SeaTac, Washington) issued at or before 17:00 UTC on 23 September 2026 (1:00 PM Eastern Daylight Time) report? Answer type: uint256. Evidence: panel. Definitions the requester fixed: - answer: the temperature in whole degrees Celsius as a non-negative whole number, taken from the temperature/dew-point group in the body of that METAR (for example 26 from "26/20"), not the tenths in the T-group remarks and not converted to Fahrenheit - subject: The weather observation at KSEA (Washington) on 23 September 2026. "The last routine METAR issued at or before 17:00 UTC" means the report of type METAR (not SPECI) whose observation time (the DDHHMMZ group) is the latest at or before 231700Z, typically about 1651Z-1656Z. The pinned chain and window of this request only timestamp it; the answer is a recorded weather observation, not a reading taken at the pinned block. - source: Answer from the archived METAR text itself, read from a public archive (aviationweather.gov data API, Iowa Environmental Mesonet ASOS archive, Ogimet, or NOAA/NWS observation history), quote the raw report in your notes, and name the source. - missing: If you cannot find that report, report that; do not estimate from a forecast, a nearby station, or an hourly summary. Three steps: (1) read one or two sources that state the fact and note which; (2) write artifacts/answer.json with recipe kind "panel" and the source; (3) run node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs and fix what it prints. Nothing else needs reading first: the brief above is in .imd/reads/oracle.json, and .imd/reads/skills/oracle-assess/REFERENCE.md lists the recipe's fields if the checker asks for one.
VERDICT: paths and tree verified; no suite was run for this kind of work
Wrote [artifacts/answer.json](/home/seat12/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with the answer **13°C**, from the 1653Z routine KSEA METAR. The required checker printed `ok`.
Wrote [artifacts/answer.json](/root/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**, based on the archived 1653Z KSEA METAR. The checker printed `ok`.
required outputs are missing or invalid: artifacts/answer.json: ENOENT: no such file or directory, lstat '/home/imd2/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts' the agent stopped (completed, 5 turns); its last message: I found the 16:53Z routine METAR: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $`, reporting **13°C** ([Flightradar24 KSEA weather archive](https://www.flightradar24.com/data/airports/sea/weather)). I couldn’t create or check `artifacts/answer.json`: both local commands, including the required checker, failed before launch with `bwrap: setting up uid map: Permission denied`. The required deliverable is therefore incomplete.
FAILURE: runtime_error
Wrote [artifacts/answer.json](/root/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with **13°C**, taken from `13/10` in the archived `METAR KSEA 231653Z` report. Source: [Aviation Weather Center Data API](https://aviationweather.gov/api/data/metar?ids=KSEA&format=raw&date=2026-09-23T17%3A00%3A00Z). The required checker printed `ok`.
Created [artifacts/answer.json](</home/imd/.identitymd-265/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json>) with answer **13°C**, based on the AWC archived METAR at 231653Z. The checker printed `ok`.
Wrote [artifacts/answer.json](/home/imd/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**, from the routine 16:53Z KSEA METAR in the [IEM ASOS archive](https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=SEA&data=metar&year1=2026&month1=9&day1=23&hour1=16&minute1=0&year2=2026&month2=9&day2=23&hour2=17&minute2=0&tz=UTC&format=comma&report_type=3). The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd1/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**. The archived [Aviation Weather Center METAR](https://aviationweather.gov/api/data/metar?ids=KSEA&format=raw&date=2026-09-23T17:00:00Z) is from 16:53Z and reports `13/10`. The required checker printed `ok`.
Wrote [artifacts/answer.json](/home/imd/.identitymd-1838/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**, based on the 16:53Z KSEA METAR from the Aviation Weather Center API. The checker printed `ok`.
Wrote [artifacts/answer.json](/root/.identitymd-722/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json). The AWC archive’s latest KSEA report at or before 17:00 UTC was the 231653Z METAR; its body reports `13/10`, so the answer is **13°C** ([raw archive query](https://aviationweather.gov/api/data/metar?ids=KSEA&format=raw&date=20260923_1700&hours=2)). The required checker printed `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**, from the 16:53Z KSEA METAR’s `13/10` group. The source is the [Aviation Weather Center METAR API](https://aviationweather.gov/api/data/metar?ids=KSEA&format=raw&date=20260923_1700&hours=1). The required checker returned `ok`.
The answer is **13°C**. The last routine report at or before 17:00 UTC was `METAR KSEA 231653Z`; its temperature/dew-point group was `13/10`, as recorded in the [Iowa Environmental Mesonet archive](https://mesonet.agron.iastate.edu/cgi-bin/request/asos.py?station=SEA&data=metar&year1=2026&month1=9&day1=23&year2=2026&month2=9&day2=24&tz=Etc%2FUTC&format=onlycomma&latlon=no&elev=no&missing=M&trace=T&direct=no&report_type=3&report_type=4). I wrote [artifacts/answer.json](/Users/zhuminquan/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json). The required checker printed `ok`.
Checker prints `ok`. Answer: 13°C, from the KSEA METAR `231653Z ... 13/10 ...` (IEM ASOS archive), the last routine METAR at/before 231700Z. Written to artifacts/answer.json.
Created [artifacts/answer.json](/home/startover/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**, based on the 16:53Z KSEA METAR, cross-checked against the Iowa Mesonet archive. The checker printed `ok`.
The answer is **14°C**. The Iowa Environmental Mesonet archive’s latest routine report at or before 17:00 UTC was `KSEA 231700Z AUTO 16009KT 10SM SCT013 BKN030 14/10 A3013 RMK T01400100 MADISHF`. I wrote [artifacts/answer.json](/home/imd/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) and the required checker printed `ok`.
Created [artifacts/answer.json](/opt/identitymd/worker2/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13 °C**. Validation result: `ok`.
Answered **13°C** from the IEM archive’s 16:53Z routine report: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $`. Saved the result and source details in [artifacts/answer.json](/root/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json). The checker printed `ok`.
Created [artifacts/answer.json](/home/worker/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**. The cited AWC archive returned a 16:53Z routine METAR whose body temperature/dew-point group is `13/10`. [Source report](https://aviationweather.gov/api/data/metar?ids=KSEA&format=raw&date=2026-09-23T17:00:00Z) The required checker passed: `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json). The Aviation Weather Center archive reports `METAR KSEA 231653Z ... 13/10 ...`; the air temperature is **13 °C**. The required checker printed `ok`.
Check passed (`ok`). `artifacts/answer.json` written with answer 13 (°C), sourced from the KSEA 231653Z METAR (`13/10`) via IEM ASOS archive.
Wrote [artifacts/answer.json](/Users/hyperstition/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**, from the 1653Z KSEA METAR’s `13/10` group in the [Aviation Weather Center archive](https://aviationweather.gov/api/data/metar?ids=KSEA&format=raw&date=2026-09-23T17%3A00%3A00Z&hours=2). The required checker printed `ok`.
Wrote [artifacts/answer.json](/root/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with the answer **14°C**, citing the IEM archive and quoting the raw METAR. The required checker printed `ok`.
Created `artifacts/answer.json:1` with the archived METAR evidence and panel answer. The checker prints `ok`.
Created [artifacts/answer.json](/home/imd/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer `13`, based on the 16:53Z KSEA METAR from the Aviation Weather Center API. The required checker printed `ok`.
The archived KSEA report at 1653Z was the latest routine METAR at or before 1700Z. Its temperature/dew-point group was `13/10`, so the answer is **13°C**. The surrounding archive results also showed earlier routine reports at 1553Z and 1453Z. [Raw Aviation Weather Center archive query](https://aviationweather.gov/api/data/metar?ids=KSEA&format=raw&date=2026-09-23T17%3A00%3A00Z&hours=3) I wrote [artifacts/answer.json](/root/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json). The required checker printed `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with **13°C**, from the 16:53Z routine METAR archived by IEM. The checker printed `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json). Answer: **13 °C**, from `METAR KSEA 231653Z ... 13/10 ...`. Validation passed: `check-answer.mjs` printed `ok`.
Wrote [artifacts/answer.json](/root/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with **13°C**, based on the 16:53Z routine KSEA METAR’s `13/10` group. The checker passed: `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with answer **13°C**, based on the 16:55Z KSEA METAR archived by the Iowa Environmental Mesonet. The required checker prints `ok`.
Checker prints `ok`. The last routine METAR for KSEA at/before 231700Z was 231653Z: "13/10" → 13°C, sourced from the IEM ASOS archive. `artifacts/answer.json` is written with answer "13" and the panel recipe.
The answer is **13°C**, from the `13/10` group in KSEA’s 23 September 2026, 16:53 UTC routine METAR. Wrote [artifacts/answer.json](artifacts/answer.json) with the archive source and raw report. The checker printed `ok`.
Clean (artifacts/ is untracked as expected). Checker prints `ok`. **Answer: 13°C** — from KSEA METAR `231653Z ... 13/10 ... T01330100`, the last routine METAR at/before 1700Z (IEM ASOS archive). Written to `artifacts/answer.json` and validated by check-answer.mjs.
Created [artifacts/answer.json](/home/imd/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with the answer **13°C**, citing the IEM archived 16:53Z routine METAR and quoting its raw text in the notes. The required checker printed `ok`.
Checker passed. The last routine METAR for KSEA at or before 17:00 UTC was `231653Z ... 13/10 ...`, giving a temperature of 13°C, sourced from aviationweather.gov's METAR data API. `artifacts/answer.json` is written and validated.
Checker prints `ok`. Answer: **13°C**, from the KSEA 231653Z METAR ("13/10") per IEM ASOS archive, written to `artifacts/answer.json`.
Checker passes. Answer: **13°C**, from the METAR `KSEA 231653Z ... 13/10 ...` (IEM ASOS archive), the last routine METAR at/before 17:00Z. Written to `artifacts/answer.json`.
Checker passed. The IEM ASOS archive shows KSEA's routine METAR at 1653Z on 23 Sep 2026 (`13/10`), giving 13°C, written to `artifacts/answer.json`.
Created [artifacts/answer.json](/home/imd3/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json) with **13°C**, based on the archived KSEA METAR observed at 16:53Z. The required checker printed `ok`.
Clean working tree (artifacts/ is untracked/ignored as expected), and `check-answer.mjs` prints `ok`. Task complete: the last routine METAR for KSEA at/before 17:00Z on 2026-09-23 was KSEA 231653Z, reporting 13/10 → **13°C**, sourced from the IEM ASOS archive.
Checker prints `ok`. The last routine METAR for KSEA at/before 1700Z on 2026-09-23 was `231653Z ... 13/10 ...`, so the answer is **13°C**, written to `artifacts/answer.json`.
Check passes. Answer: KSEA's last routine METAR at/before 17:00Z on 2026-09-23 was 231653Z with temperature/dew-point group `13/10`, so the answer is **13°C**, written to `artifacts/answer.json`.
Checker passed with `ok`. The last routine METAR for KSEA at/before 17:00Z on 2026-09-23 is `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` (IEM ASOS archive, station SEA), giving air temperature 13°C. Written to `artifacts/answer.json`.
Completed [artifacts/answer.json](/home/seat/.identitymd/work/1e7407df-e868-45a0-bf4e-e15b646f3e50/76a82bf2-5cee-4d64-ab8e-2c8ea5b7c125/artifacts/answer.json). Answer: `13` °C. Validation passed: `ok`.
Checker passes. The last routine METAR for KSEA at or before 231700Z was `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $`, sourced from aviationweather.gov's Data API — temperature 13°C, written to `artifacts/answer.json`.
Checker prints `ok`. Answer: **13°C**, from KSEA METAR `231653Z ... 13/10 ...` (IEM ASOS archive), written to `artifacts/answer.json`.
The last routine METAR for KSEA at or before 17:00 UTC on 23 September 2026 reported 13 °C. `artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The source is the Iowa Environmental Mesonet ASOS archive (station SEA, METAR reports only). The report is: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` I took the temperature from the `13/10` group in the body. The next report, at 17:53Z, falls after the cutoff. The file uses a `panel` recipe with that source, and the chain, window and hash match `.imd/reads/oracle.json`. My first attempt to read aviationweather.gov failed with an invalid-date error, so IEM is the only source I read.
The KSEA temperature is 13 °C, and `artifacts/answer.json` is written. `check-answer.mjs` prints `ok` for it. The last routine METAR at or before 17:00 UTC on 23 September 2026 was the 231653Z report, from the Iowa Environmental Mesonet ASOS archive: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100` The temperature/dew-point group reads `13/10`, so the answer is 13. The file uses the `panel` recipe and names that source. It also carries the request id and the pinned window exactly as `oracle.json` gives them. The checker rejected the first version because the `window` keys were in a different order, so I reordered them. The aviationweather.gov query I tried returned nothing, so IEM is the only source I read, not a second one.
Checker prints `ok`. Answer: 13°C, sourced from KSEA METAR 231653Z (13/10) via the IEM ASOS archive, written to `artifacts/answer.json`.
The answer is 13 °C, and `check-answer.mjs` prints ok for `artifacts/answer.json`. The report is the 231653Z METAR for KSEA, which is the last routine METAR at or before 17:00 UTC on 23 September. The raw text, from the aviationweather.gov data API, is: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The temperature group is 13/10. The next report, 231753Z, is after the cutoff, and the SPECI at 231111Z is not a routine METAR. The file uses recipe kind `panel`, with the source named as the aviationweather.gov API. The first checker run rejected the window because its keys were in a different order from `oracle.json`, so I reordered them.
Checker prints `ok`. Answer: 13°C, from KSEA 231653Z METAR ("13/10") via the IEM ASOS archive — written to `artifacts/answer.json`.
The answer is 13 °C, and `artifacts/answer.json` is written. `check-answer.mjs` prints ok for it. The source is the aviationweather.gov data API. The last routine METAR at or before 17:00 UTC is the 231653Z report, and its raw text is: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100` The temperature/dew-point group reads 13/10, so the air temperature is 13. The next METAR, 231753Z, falls after the cutoff. The recipe is kind `panel` with that source, and the window is copied exactly from `oracle.json`. I did not cross-check against a second archive. The checker first rejected the file because the window keys were in the wrong order. I reordered them to match `oracle.json`.
The answer is 13 °C, and `node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs` prints ok for `artifacts/answer.json`. The last routine METAR for KSEA at or before 17:00 UTC on 23 September 2026 was issued at 16:53 UTC. The raw report reads: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The temperature/dew-point group is 13/10, so the temperature is 13. I found this report on both the aviationweather.gov data API and the Iowa Environmental Mesonet ASOS archive. The next report, 17:53 UTC, falls after the cutoff, so it doesn't count. The recipe kind is "panel", with those two archives named as the source. The file also carries the request id, chain and window from `.imd/reads/oracle.json`. The checker rejected the window until I matched the order of its keys to the brief's.
The answer is 13 °C, and `artifacts/answer.json` is written; the checker prints `ok` for it. The last routine METAR at or before 231700Z is the 231653Z report. The next one, 231753Z, is after the cutoff. I read it from the Iowa Environmental Mesonet ASOS archive (station SEA, 2026-09-23): `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100` The temperature/dew-point group in the body is 13/10, so the temperature is 13. The recipe kind is `panel`, with the source named in it. The request id, chain and window are copied from `.imd/reads/oracle.json`. The checker rejected the window at first because the keys were in the wrong order, so I reordered them to match the brief. I did not confirm the report against a second source. The aviationweather.gov query I tried returned "Invalid value for date".
Checker passed. The last routine METAR for KSEA at/before 17:00 UTC on 23 Sep 2026 was issued at 1653Z, reporting temperature 13°C (from "13/10"), sourced from the IEM ASOS archive. `artifacts/answer.json` is written and validated.
The answer is 13 °C, and `artifacts/answer.json` is written; `check-answer.mjs` prints `ok`. - **Source:** the Iowa Environmental Mesonet ASOS archive, station SEA. - **Raw report:** `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` - **Reading:** the temperature/dew-point group in the body is `13/10`, so the answer is 13. I ignored the tenths in the remarks (13.3). - **Cutoff:** this is the last routine METAR at or before 231700Z. The next one is 231753Z, which is after the cutoff. I read only that one source, not a second. The checker rejected the first draft because the window keys were in the wrong order. I reordered them to match `oracle.json` and the check passed.
The answer is 13 °C, and `check-answer.mjs` prints ok for `artifacts/answer.json`. The source is the Iowa Environmental Mesonet ASOS archive, station SEA. The last routine METAR at or before 231700Z is: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100` The temperature/dew-point group is 13/10, so the temperature is 13 °C. The nearest other reports (231553Z and 231753Z) fall on either side of 17:00, so 231653Z is the right one. I read only this one archive, not a second source. The file uses the "panel" recipe with that source named. The checker first rejected the window because its keys were in the wrong order, and I fixed that.
I wrote `artifacts/answer.json` with the answer **13** °C, and `check-answer.mjs` prints `ok` for it. - **Report:** the last routine METAR at or before 17:00 UTC is the 231653Z one: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100`. The temperature/dew-point group reads 13/10. - **Source:** the Iowa Environmental Mesonet ASOS archive (station SEA, METAR reports only). The recipe is kind `panel` and names that source. - **Neighbouring reports:** the previous one (231553Z) read 13/09, and the next (231753Z) is after the cutoff. - **Not verified:** I read only this one archive. The aviationweather.gov request I tried returned "Invalid value for date", so I did not use it as a second source. - **Format:** the checker rejected my first draft because the `window` keys were in a different order than in `oracle.json`. I reordered them.
I wrote `artifacts/answer.json` with the answer 13, and the checker prints `ok`. The last routine METAR for KSEA at or before 17:00 UTC on 23 September 2026 is the 231653Z report. The raw report, from the aviationweather.gov data API, is: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The temperature/dew-point group reads 13/10, so the temperature is 13 °C. That agrees with the T-group tenths (13.3 °C), which I did not use. The recipe kind is `panel`, with aviationweather.gov as the source. The window is copied exactly from `.imd/reads/oracle.json`; the checker rejected my first version because the key order differed, and I reordered them. I read only that one source. The Iowa Environmental Mesonet archive rate-limited my request, so nothing was cross-checked against a second archive.
The answer is 13 °C, and `check-answer.mjs` prints ok for `artifacts/answer.json`. The last routine METAR at or before 231700Z is the 231653Z report from aviationweather.gov: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` Its temperature/dew-point group is 13/10, so the temperature is 13. The only report between 1653Z and 1700Z was none; the next one after it is 231753Z, which falls after the cutoff. The recipe is `panel`, with the aviationweather.gov API named as the source. I read one source only. The Iowa Environmental Mesonet archive rate-limited my request, so I did not cross-check it there.
The answer is 13 °C, and `artifacts/answer.json` is written; `check-answer.mjs` prints ok for it. The last routine METAR at or before 231700Z is the 231653Z report, read from the aviationweather.gov data API: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` Its temperature/dew-point group is 13/10, so the temperature is 13. The next report, 231753Z, is after 1700Z, and there is no SPECI between 231653Z and 1700Z. The recipe kind is `panel`, with that API named as the source. The checker first rejected the file because the `window` keys were in a different order from `oracle.json`. I reordered them and it passed.
The KSEA report reads 13 °C, and `artifacts/answer.json` is written with that answer. `check-answer.mjs` prints `ok` for it. The last routine METAR at or before 17:00 UTC is the 1653Z report. I read it from the Iowa Environmental Mesonet ASOS archive: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The temperature/dew-point group is 13/10, so the answer is 13. The next report, 231753Z, falls after the cutoff, so it does not count. The checker first rejected the file because the `window` keys were in the wrong order. Reordering them to match `oracle.json` fixed it. The recipe is kind `panel`, with the IEM archive named as the source.
I wrote `artifacts/answer.json` with an answer of 13 °C, and the checker prints `ok`. The last routine METAR for KSEA at or before 17:00 UTC on 23 September 2026 is the 231653Z report. Its temperature/dew-point group is 13/10. The raw report, from the aviationweather.gov data API, is: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The answer file uses the `panel` recipe with that source. The request id, chain and window are copied from `oracle.json`. The checker rejected my first version because it wanted the window keys in the order `oracle.json` uses, so I reordered them and it passed.
The answer is 13 °C, and `artifacts/answer.json` passes `check-answer.mjs` (it prints `ok`). The last routine METAR at or before 17:00 UTC is the 231653Z report. I read it from the Iowa Environmental Mesonet ASOS archive (station SEA). The raw report is: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The 13 comes from the "13/10" temperature/dew-point group in the body. The recipe kind is `panel`, with the IEM archive named as the source. I only checked IEM. I didn't cross-check a second archive, because the aviationweather.gov query I tried returned an error. The checker first rejected the file because the `window` keys were in a different order from `oracle.json`. I reordered them and it then passed.
The answer is 13 °C, written to `artifacts/answer.json`, and `check-answer.mjs` prints ok for it. The last routine METAR at or before 231700Z is the 1653Z report, from the Iowa Environmental Mesonet ASOS archive: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100` The temperature group reads 13/10, so the temperature is 13 °C. The aviationweather.gov API rejected my date parameter, so IEM was the only source I read. The recipe kind is `panel`, naming IEM as the source.
The answer is 13 °C, and `artifacts/answer.json` is written; the checker prints `ok`. The last routine METAR at or before 17:00 UTC on 23 September 2026 is the 1653Z report. It reads: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The temperature group is `13/10`, so the temperature is 13. I read it from the aviationweather.gov data API, which is also the source named in the recipe. The 1153Z–1653Z reports that day are all type METAR, and the 1753Z report is after the cutoff. The checker first rejected the file because the window keys were in a different order. I reordered them to match `oracle.json`.
KSEA reported 13 °C, and I wrote that to `artifacts/answer.json`. The checker prints `ok` for the file. The last routine METAR at or before 17:00Z was the 231653Z report, from the aviationweather.gov data API: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100` The temperature/dew-point group reads 13/10, so the answer is 13. The next report, 231753Z, falls after the cutoff. The recipe kind is `panel` with that API URL as the source. The checker first rejected the window because it wants the keys in the order `toBlock`, `fromBlock`, `toBlockHash`. I reordered them, and the values are unchanged.
The answer is 13 °C, and `artifacts/answer.json` is written; `check-answer.mjs` prints `ok`. The last routine METAR at or before 17:00 UTC is the 1653Z report, read from the Iowa Environmental Mesonet ASOS archive: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The temperature/dew-point group is 13/10, so the temperature is 13. No SPECI reports were involved. The recipe kind is `panel`, with that archive named as the source. I copied the request id, chain and window from `.imd/reads/oracle.json`. The checker rejected the first draft because the `window` keys were in a different order, so I reordered them to match the brief.
The answer is 13 °C, and `check-answer.mjs` prints ok for `artifacts/answer.json`. The source is the Iowa Environmental Mesonet ASOS archive (station SEA). The last routine METAR at or before 231700Z is the 231653Z report: `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100` The temperature group reads 13/10, so the answer is 13. The next report is 231753Z, which is after the cutoff. I read only this one archive, not a second source. The recipe is kind `panel` with that source named. The window is copied exactly from `.imd/reads/oracle.json`. The checker rejected my first draft because the `window` keys were in a different order, and I reordered them to match.
The answer is 13 °C, and `artifacts/answer.json` is written; the checker prints `ok` for it. The last routine METAR at or before 17:00 UTC was the 231653Z report, read from the Iowa Environmental Mesonet ASOS archive (station SEA): `KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` The temperature/dew-point group is 13/10, so the temperature is 13. I only read the Iowa archive. The aviationweather.gov query I tried returned "Invalid value for date", so there is no second source. The recipe is kind `panel` with that archive as its source, and the raw report is quoted in `notes`.
The answer is 13 °C, and `artifacts/answer.json` is written; `check-answer.mjs` prints ok for it. I read the report from the aviationweather.gov data API (`metar?ids=KSEA`). The last routine METAR at or before 17:00 UTC on 23 September is the 1653Z report: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100 $` Its temperature/dew-point group is 13/10, so the temperature is 13 °C. The recipe kind is "panel" with that source named, and the report is quoted in `notes`. The first version of the file failed the checker because the window keys were in the wrong order. I reordered them to match `oracle.json`, and the checker then passed.
The answer is 13 °C, and `artifacts/answer.json` is written; the checker prints `ok`. The last routine METAR for KSEA at or before 231700Z is the 231653Z report: `METAR KSEA 231653Z 18007KT 10SM SCT013 BKN030 BKN090 13/10 A3013 RMK AO2 SLP208 T01330100` The temperature/dew-point group is 13/10, so the temperature is 13. I read the report from the aviationweather.gov data API and from the Iowa Environmental Mesonet ASOS archive, and both gave the same text. The recipe kind is `panel`, with those two archives named as the source. The window is copied exactly from `oracle.json`.
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