Station observations, hourly, last 24 hours
Kept by incident.ipma@web-summit.dinis, 11 November 2026, 11:50 UTC
Kept by incident.ipma@web-summit.dinis, 11 November 2026, 11:50 UTC
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IPMA's name for it: Observação Meteorológica de Estações (dados horários, últimas 24 horas). Documented at api.ipma.pt. Drawn at stations.
| Address | https://api.ipma.pt/open-data/observation/meteorology/stations/observations.json |
| Format | JSON |
| Shape | {<YYYY-mm-ddThh:mi>: {<idEstacao>: {values}}}: 24 hours, every station |
| IPMA says it updates | Taxa de atualização horária. |
| IPMA's file dated (its Last-Modified header) | 2026-11-11 11:35 UTC |
| We last read it | 2026-11-11 11:50 UTC, 1 file, 1063281 bytes |
| IPMA's note | "valor "-99.0" = nodata" |
| Field | Type | Unit | Meaning (our English) | IPMA's wording | Where the documentation differs |
|---|---|---|---|---|---|
(key) YYYY-mm-ddThh:mi | date-time, no zone | · | the hour of the observation | "data/hora da observação" | · |
(key) idEstacao | integer | · | the station (a node: station) | · | · |
intensidadeVentoKM | number | km/h | wind speed at 10 m | "intensidade do vento registada a 10 metros de altura (km/h)" | · |
intensidadeVento | number | m/s | wind speed at 10 m | · | · |
idDireccVento | integer | · | class of the prevailing wind direction at 10 m: 0 none, 1 or 9 N, 2 NE, 3 E, 4 SE, 5 S, 6 SW, 7 W, 8 NW | · | · |
temperatura | number | °C | air temperature at 1.5 m, mean of the hour | · | · |
precAcumulada | number | mm | precipitation at 1.5 m, accumulated in the hour | "precipitação registada a 1.5 metros de altura, valor acumulado da hora (mm)" | · |
humidade | number | % | relative humidity at 1.5 m, mean of the hour | · | · |
pressao | number | hPa | pressure reduced to mean sea level, mean of the hour | · | · |
radiacao | number | kJ/m² | solar radiation | · | · |
| File | Answer | Bytes | sha256 | IPMA's file dated (UTC) | We read it (UTC) |
|---|---|---|---|---|---|
| observation/meteorology/stations/observations.json | 200 | 1063281 | 2c1bbcb0074102ba… | 2026-11-11 11:35 | 2026-11-11 11:50 |
The links go to IPMA's live files. Full hashes: latest.json. What changed between reads: changes/observations.json. Our small files made from it: data/observations.json, data/observed-daily.json.