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30 years hourly weather data with history+

Access historical weather information for Washington D.C. with history+. Available worldwide and independent from weather stations. Download consistent and gap-free hourly data for Washington D.C. as CSV. You can test data access for Basel freely.

More information about history+

All values in the time range are aggregated and displayed. You can easily compare different seasons or create a high resolution graphs with 30 years of data.

The historical weather report is limited to the last 2 weeks for evaluation. For unlimited access starting in 1985 this location must be activated with history+.
history+ locations (0/0)

Customers with history+ can see their activated locations here. Access remains active for 1 year. Basel is available for free evaluation.

Your activated locations are listed here. You can switch to another location by clicking on the name, or compare data with the current location by checking the box.

This wind rose displays the distribution where the wind is coming from and with which intensity.

With "hour sum" the total amount of hours for each speed class and direction is shown. "Air mass" multiplies each wind class with the wind speed and indicates where air masses are coming from. Otherwise low speeds are too dominant.

Direction resolution

Value classification. A value resolution of 5 categorises data in value steps of 5: 0-5 km/h, 5-10, 10-15...