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2s.io NOAA GHCN-Daily Historical Weather Observations
x402
2s.io NOAA GHCN-Daily Historical Weather Observations is a paid API for AI agents from 2s.io, paid per call via x402, $0.0012/call, status unknown (last checked 2026-09-15).
Returns historical daily weather observations (temperature, precipitation, snow, wind) for a specific NOAA GHCN-Daily station over a date range up to 366 days.
Price / call$0.0012
Success—
StatusUnknown
How this service works
Historical daily weather observations from NOAA GHCN-Daily for one station and date range (up to 366 days per call): max/min/avg temperature (°C), precipitation (mm), snowfall and snow depth (mm), wind (m/s). Coverage reaches back to the 1800s for long-running stations — actual measured values for "what was the weather on this date", not model recall. Pass a GHCN station id (e.g. USW00094728 = NYC Central Park); find the nearest station for any coordinate with /api/climate/station-near first. dataTypes selects elements (default TMAX,TMIN,PRCP). NOAA public-domain data.
Output
Returns daily weather observation records for the requested station and date range, including max/min/avg temperature in °C, precipitation in mm, snowfall and snow depth in mm, and wind speed in m/s, sourced from NOAA GHCN-Daily public-domain data. Coverage can extend back to the 1800s for long-running stations.
Example use cases
Example prompt
“Pull the historical daily weather records for NOAA station USW00094728 (NYC Central Park) from July 1 to July 31, 2010 — I want max temp, min temp, and precipitation for each day.”
Technical details
Endpoint
GEThttps://2s.io/api/climate/station-historyWhen to prefer
Choose this endpoint when you need actual measured historical weather observations (not forecasts or model estimates) for a specific NOAA GHCN-Daily station. Ideal for climate research, historical event reconstruction, date-specific weather lookups, or any use case requiring ground-truth measured values going back decades or centuries. Use the companion /api/climate/station-near endpoint first if you only have coordinates and need to find the nearest station ID.
Side effects
- Invalid or unknown GHCN station ID returns an error or empty result
- Date range exceeds 366 days — API enforces per-call limit
- startDate after endDate returns an error
- Requested data types not available for the given station/period return missing fields
- Station has gaps in historical record for certain dates
- Invalid date format (not YYYY-MM-DD) causes a parsing error
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"endDate": "2010-07-31",
"station": "USW00094728",
"dataTypes": "TMAX,TMIN,PRCP",
"startDate": "2010-07-01"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"data": {
"ok": true,
"meta": {
"endDate": "2010-07-31",
"station": "USW00094728",
"dataTypes": [
"TMAX",
"TMIN",
"PRCP"
],
"startDate": "2010-07-01",
"stationName": "NY CITY CENTRAL PARK, NY US"
},
"items": [
{
"date": "2010-07-01",
"values": {
"PRCP": 0,
"TMAX": 25,
"TMIN": 16.7
}
},
{
"date": "2010-07-02",
"values": {
"PRCP": 0,
"TMAX": 27.8,
"TMIN": 16.1
}
},
{
"date": "2010-07-03",
"values": {
"PRCP": 0,
"TMAX": 31.7,
"TMIN": 18.3
}
},
{
"date": "2010-07-04",
"values": {
"PRCP": 0,
"TMAX": 35.6,
"TMIN": 22.8
}
},
{
"date": "2010-07-05",
"values": {
"PRCP": 0,
"TMAX": 37.2,
"TMIN": 24.4
}
},
{
"date": "2010-07-06",
"values": {
"PRCP": 0,
"TMAX": 39.4,
"TMIN": 27.2
}
},
{
"date": "2010-07-07",
"values": {
"PRCP": 0,
"TMAX": 37.8,
"TMIN": 26.7
}
},
{
"date": "2010-07-08",
"values": {
"PRCP": 0,
"TMAX": 31.7,
"TMIN": 25
}
},
{
"date": "2010-07-09",
"values": {
"PRCP": 0.5,
"TMAX": 32.2,
"TMIN": 23.9
}
},
{
"date": "2010-07-10",
"values": {
"PRCP": 0,
"TMAX": 28.3,
"TMIN": 22.8
}
},
{
"date": "2010-07-11",
"values": {
"PRCP": 0,
"TMAX": 34.4,
"TMIN": 21.7
}
},
{
"date": "2010-07-12",
"values": {
"PRCP": 0,
"TMAX": 34.4,
"TMIN": 22.8
}
},
{
"date": "2010-07-13",
"values": {
"PRCP": 21.3,
"TMAX": 28.3,
"TMIN": 22.8
}
},
{
"date": "2010-07-14",
"values": {
"PRCP": 11.4,
"TMAX": 26.1,
"TMIN": 22.8
}
},
{
"date": "2010-07-15",
"values": {
"PRCP": 0,
"TMAX": 30.6,
"TMIN": 22.2
}
},
{
"date": "2010-07-16",
"values": {
"PRCP": 0,
"TMAX": 33.9,
"TMIN": 23.3
}
},
{
"date": "2010-07-17",
"values": {
"PRCP": 0,
"TMAX": 34.4,
"TMIN": 24.4
}
},
{
"date": "2010-07-18",
"values": {
"PRCP": 0,
"TMAX": 34.4,
"TMIN": 25.6
}
},
{
"date": "2010-07-19",
"values": {
"PRCP": 3.8,
"TMAX": 33.3,
"TMIN": 22.2
}
},
{
"date": "2010-07-20",
"values": {
"PRCP": 0,
"TMAX": 31.7,
"TMIN": 23.3
}
},
{
"date": "2010-07-21",
"values": {
"PRCP": 0,
"TMAX": 33.9,
"TMIN": 24.4
}
},
{
"date": "2010-07-22",
"values": {
"PRCP": 0,
"TMAX": 32.2,
"TMIN": 23.3
}
},
{
"date": "2010-07-23",
"values": {
"PRCP": 17.8,
"TMAX": 30.6,
"TMIN": 22.8
}
},
{
"date": "2010-07-24",
"values": {
"PRCP": 0,
"TMAX": 36.1,
"TMIN": 26.7
}
},
{
"date": "2010-07-25",
"values": {
"PRCP": 8.9,
"TMAX": 33.9,
"TMIN": 21.1
}
},
{
"date": "2010-07-26",
"values": {
"PRCP": 0,
"TMAX": 30.6,
"TMIN": 20
}
},
{
"date": "2010-07-27",
"values": {
"PRCP": 0,
"TMAX": 32.8,
"TMIN": 21.1
}
},
{
"date": "2010-07-28",
"values": {
"PRCP": 0,
"TMAX": 31.7,
"TMIN": 23.3
}
},
{
"date": "2010-07-29",
"values": {
"PRCP": 2.3,
"TMAX": 31.7,
"TMIN": 23.3
}
},
{
"date": "2010-07-30",
"values": {
"PRCP": 0,
"TMAX": 29.4,
"TMIN": 18.9
}
},
{
"date": "2010-07-31",
"values": {
"PRCP": 0,
"TMAX": 29.4,
"TMIN": 18.9
}
}
],
"total": 31,
"source": {
"url": "https://www.ncei.noaa.gov/access/services/data/v1",
"license": "Public domain (US government work)",
"provider": "NOAA National Centers for Environmental Information, GHCN-Daily (ncei.noaa.gov)"
}
},
"meta": {
"cost": {
"usd": 0.0012,
"tier": 0
},
"caller": "x402",
"version": null,
"endpoint": "climate.station-history",
"settlement": {
"txHash": "0x1b4f6542299a2277ae72f69e00359fdca037a56cc115e578b219ef0dce8f19ab",
"network": "eip155:8453",
"success": true
}
}
}Tags
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