
Originally known as the Weathermen, the group was organized as a faction of Students for a Democratic Society (SDS) national leadership. Download variables such as temperature, wind, clouds and precipitation as CSV for any place on Earth.The Weather Underground was a far-left militant organization first active in 1969, founded on the Ann Arbor campus of the University of Michigan. Please contact us for more information ( historical weather data since 1960 for Excel can be purchased with history+. For more than 6 months there are monthly aggregations. For one month, there are daily aggregations for minimum, maximum and average values.

For areas or data with lower predictability, simulation cannot replace measurements and can also not be used as an evidence. Simulation data with high predictability can replace measurements.

The weather archive shows simulation data, not measured data, for the selected area.In the history archive meteogram, the purple points represent the wind direction, as indicated on the right axis. Wind speed and direction (in degree 0° = North, 90° = East, 180° = South and 270° = West).The darker the grey background, the more dense is the cloud cover Clouds (grey background) and clear sky (yellow background).Temperature, including relative humidity in hourly intervals.The weather archive diagrams is separated in 3 charts: You can see weather information for yesterday or the weather history of the last years.

The simulation history archive offers access to past weather simulations for every place in the world.
