These archives contain historical weather data for all ZIP codes in the US. ZIP codes in the weather data are grouped by states.

This product allows you to download archives of historical weather data by state for all ZIP codes in the USA.

Each archive includes weather data:

• for all ZIP codes within the state that you have chosen
• for one chosen year (Currently available for 2018 and 2019. Other years are coming soon.)

The downloaded weather archive will contain a set of files. Each of these files contains historical data for one ZIP code.

Weather data archive includes 15 weather parameters, such as temperature, precipitation, wind and many more. Data is provided with hourly step in CSV format.

Price varies by state, since each state has a different number of ZIP codes. Price per state can be found here.

You can find more about ways to access our historical data on our price page.

To request historical data, please follow these steps:

1. Go to the OpenWeatherMap Marketplace and choose the "Historical Weather Data by State for all ZIP codes, USA" product.
2. Select the state you are interested in.
3. Select the year from the archive.
4. Click on the "Place order" button and check your order details.
5. To complete the checkout process, please click on the "Checkout" button and proceed to payment.

After the successful payment you will be able to find your order in two ways:

1. You will also receive an email with the link to download your current order.
2. All purchases can be found in your personal account, in the "Order" section.

• dt Time of data calculation, unix, UTC
• dt_isoDate and time in UTC format
• timezone Shift in seconds from UTC
• city_id ZIP code
• city_name City name
• lat Geographical coordinates of the location (latitude)
• lon Geographical coordinates of the location (longitude)
• temp Temperature, Kelvin
• feels_like This temperature parameter accounts for the human perception of weather, Kelvin
• temp_min Minimum temperature at the moment. This is deviation from temperature that is possible for large cities and megalopolises geographically expanded (use these parameter optionally), Kelvin
• temp_max Maximum temperature at the moment. This is deviation from temperature that is possible for large cities and megalopolises geographically expanded (use these parameter optionally), Kelvin
• pressure Atmospheric pressure (on the sea level), hPa
• sea_level Sea level pressure, hPa
• grnd_level Ground level pressure, hPa
• humidity Humidity, %
• wind_speed Wind speed, meter/sec
• wind_deg Wind direction, degrees (meteorological)
• rain_1h Rain volume for the last hour, mm
• rain_3h Rain volume for the last 3 hours, mm
• snow_1h Snow volume for the last hour, mm (in liquid state)
• snow_3h Snow volume for the last 3 hours, mm (in liquid state)
• clouds_all Cloudiness, %
• weather_id Weather condition id (more info Weather condition codes)
• weather_main Group of weather parameters (Rain, Snow, Extreme etc.)
• weather_description Weather condition within the group. Please find more here
• weather_icon Weather icon id (more info Weather icon)

List of the weather condition codes with icons (range of thunderstorm, drizzle, rain, snow, clouds, atmosphere etc.) can be found here.