Public Dataset

NOAA Climate Data Online

NOAA Climate Data Online provides access to historical weather and climate data from thousands of stations worldwide, with some records dating back to 1763. Datasets include Daily Summaries (GHCND), Monthly Summaries (GSOM), Annual Summaries (GSOY), and high-frequency precipitation data. Measurements cover temperature, precipitation, snowfall, wind speed, humidity, and atmospheric pressure. Data can be filtered by location, station, date range, and data type, and returned in standard or metric units.

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What You Can Query

You can query historical weather observations at daily, monthly, or yearly granularity — including temperature highs and lows, precipitation totals, snowfall, and wind speed — filtered by station, location, and date range through a single data endpoint.

What You Can Do

Historical weather pattern analysis over decades

Climate normal and trend comparisons by region

Precipitation and snowfall record lookups

Temperature anomaly detection over time

Comparing historical weather data across stations

Correlating climate data with business or agricultural metrics

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