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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May Very Wet: Very Dry:
1895 7.84% 5.40%
1896 23.37% 18.12%
1897 6.27% 22.11%
1898 27.24% 8.70%
1899 1.95% 17.32%
1900 6.09% 12.50%
1901 7.06% 12.37%
1902 12.22% 3.43%
1903 9.93% 15.21%