Maps & Data

U. S. Department of Agriculture. What can I do with these data? . * Check recent conditions that affect crops including the range of relative humidity and number of days above and below sel ...

that put recent precipitation and temperatures in a climate context. Maps show how current conditions compare to Normal (long-term averages) for various time periods for the United States. Some data m ...

What can I do with these data? . * Get advance warning of potentially hazardous conditions. * See where heavy rain or snow is likely, or much above- or much below- normal temperatures are expect ...

to accept or reject the value as a new record or a tie in the state's list of most extreme conditions. What can I do with these data? . * Compare records among states to identify national r ...

or weirs. River discharge forecasts are based on historical flows, topography, and current conditions of soil and weather. More information:. * How streamflow is measured. Links to data:. * National W ...

Links to Air Temperature Data:. * Automated Surface Observing Systems monitor weather conditions at many airports. Choose a state and click any station on the map, then click the link to view the META ...

NSIDC - Arctic Sea Ice News and Analysis. Scientific analysis on current Arctic sea ice conditions with daily images, an overview of conditions in context, and links to data and analysis tools. Essent ...

Classify Climate? Climate classifications help people know what types of conditions a region usually experiences through the year. Rather than having to describe the full range of conditions observed ...