U.S. Percentage Areas (Very Warm/Cold, Very Wet/Dry)

The percentage areas of the contiguous United States are computed based on the climate division data set. Those climate divisions having the monthly average temperature/total precipitation in the top ten percent (> 90th percentile) of their historical distribution are very warm/wet and those in the bottom ten percent (< 10th percentile) are very cold/dry.

Move mouse towards an axis until highlighted. Left-click mouse to pan. Shift key + left-click to zoom.

February Very Wet: Very Dry:
1895 2.06% 17.48%
1896 8.33% 15.86%
1897 16.86% 8.88%
1898 4.11% 25.98%
1899 13.65% 13.34%
1900 15.52% 9.67%
1901 2.65% 11.03%
1902 13.88% 10.38%
1903 40.41% 6.88%
1904 17.53% 15.56%
1905 9.39% 5.52%