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.

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February Very Warm: Very Cold:
1895 0.39% 53.24%
1896 4.33% 0.00%
1897 0.00% 2.18%
1898 10.44% 0.19%
1899 0.00% 64.27%
1900 0.46% 15.95%
1901 0.77% 19.69%
1902 2.33% 31.28%
1903 0.00% 41.61%
1904 11.72% 23.74%
1905 0.81% 58.50%
1906 5.57% 0.00%
1907 27.92% 6.50%
1908 0.00% 2.42%
1909 5.33% 0.00%
1910 0.00% 16.67%
1911 11.12% 14.38%
1912 0.00% 22.34%
1913 1.04% 25.23%
1914 0.00% 24.28%
1915 6.32% 0.00%
1916 2.84% 0.90%
1917 0.00% 15.93%
1918 4.21% 0.91%
1919 0.00% 8.53%
1920 0.32% 0.29%
1921 0.93% 0.00%
1922 9.92% 18.24%
1923 0.00% 21.69%
1924 18.90% 1.70%
1925 33.08% 0.00%
1926 26.19% 0.31%
1927 37.28% 0.00%
1928 0.00% 0.00%
1929 0.08% 65.02%
1930 54.74% 0.00%
1931 25.35% 0.00%