Question 1

How far back does the weather history data go?

Accepted Answer

Our database contains 55 years of daily weather records from 1970 to present, sourced from NOAA weather stations across the United States and internationally.

Question 2

Where does the historical weather data come from?

Accepted Answer

All weather data comes from NOAA (National Oceanic and Atmospheric Administration) Climate Data Online, specifically the Global Historical Climatology Network Daily (GHCND) dataset with over 139 million weather observations.

Question 3

Can I look up international weather history?

Accepted Answer

Yes! In addition to US locations, we have historical weather data for major international cities including London, Paris, Tokyo, Sydney, and many more across 36 countries.

Question 4

What weather information is available for each date?

Accepted Answer

For each date, you can see the high temperature, low temperature, average temperature, precipitation amounts, and snowfall data going back up to 55 years.

Question 5

How accurate is historical weather data?

Accepted Answer

The data comes directly from official NOAA weather stations and is highly accurate. We use the nearest weather station to your searched location, typically within 20-30 miles for US locations.

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