## Historical Weather Data by State These archives contain historical weather data for all ZIP codes in the US. ZIP codes in the weather data are grouped by states. ## About 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](#zip). - [Buy historical data](https://home.openweathermap.org/zip_code_data/new) You can find more about ways to access our historical data on our [price page](/price.md#history). ## How to get historical weather data by state To request historical data, please follow these steps: 1. Go to the [OpenWeatherMap Marketplace](https://home.openweathermap.org/marketplace) and choose the ["Historical Weather Data by State for all ZIP codes, USA"](https://home.openweathermap.org/zip_code_data/new) 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. - [Buy historical data](https://home.openweathermap.org/zip_code_data/new) 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"](https://home.openweathermap.org/marketplace/my_orders) section.  ## Weather parameters > If you do not see some of the parameters in downloaded archive, it means that these weather phenomena just have not happened in the chosen time period at the chosen location. Only really measured or calculated data is displayed in data archive. - `dt` Time of data calculation, unix, UTC - `dt_iso`Date 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-conditions.md#Weather-Condition-Codes-2)) - `weather_main` Group of weather parameters (Rain, Snow, Extreme etc.) - `weather_description` Weather condition within the group. Please find more [here](#list) - `weather_icon` Weather icon id (more info [Weather icon](/weather-conditions.md#Icon-list)) ### List of states, ZIP codes and price ### List of states, ZIP codes and price | State name | Number of ZIP codes | Price | | --- | --- | --- | | Alabama | 811 | 1,000 USD | | Alaska | 273 | 400 USD | | Arizona | 528 | 700 USD | | Arkansas | 705 | 1,000 USD | | California | 2591 | 1,500 USD | | Colorado | 645 | 700 USD | | Connecticut | 429 | 700 USD | | Delaware | 96 | 200 USD | | District of Columbia | 277 | 400 USD | | Florida | 1472 | 1,300 USD | | Georgia | 952 | 1,000 USD | | Hawai`i | 137 | 400 USD | | Idaho | 320 | 400 USD | | Illinois | 1575 | 1,300 USD | | Indiana | 967 | 1,000 USD | | Iowa | 1055 | 1,300 USD | | Kansas | 747 | 1,000 USD | | Kentucky | 946 | 1,000 USD | | Louisiana | 719 | 1,000 USD | | Maine | 485 | 700 USD | | Maryland | 605 | 700 USD | | Massachusetts | 684 | 700 USD | | Michigan | 1159 | 1,300 USD | | Minnesota | 991 | 1,000 USD | | Mississippi | 531 | 700 USD | | Missouri | 1156 | 1,300 USD | | Montana | 404 | 700 USD | | Nebraska | 620 | 700 USD | | Nevada | 253 | 400 USD | | New Hampshire | 281 | 400 USD | | New Jersey | 723 | 1,000 USD | | New Mexico | 427 | 700 USD | | New York | 2153 | 1,500 USD | | North Carolina | 1081 | 1,300 USD | | North Dakota | 407 | 700 USD | | Ohio | 1415 | 1,300 USD | | Oklahoma | 764 | 1,000 USD | | Oregon | 478 | 700 USD | | Pennsylvania | 2176 | 1,500 USD | | Rhode Island | 90 | 200 USD | | South Carolina | 534 | 700 USD | | South Dakota | 385 | 400 USD | | Tennessee | 785 | 1,000 USD | | Texas | 2598 | 1,500 USD | | Utah | 346 | 400 USD | | Vermont | 308 | 400 USD | | Virginia | 1214 | 1,300 USD | | Washington | 716 | 1,000 USD | | West Virginia | 851 | 1,000 USD | | Wisconsin | 896 | 1,000 USD | | Wyoming | 195 | 400 USD | ### Example  ### List of the weather condition codes List of the [weather condition codes](/weather-conditions.md) with icons (range of thunderstorm, drizzle, rain, snow, clouds, atmosphere etc.) can be found [here](/weather-conditions.md).