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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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| March | Very Wet: | Very Dry: |
|---|---|---|
| 1895 | 3.03% | 21.54% |
| 1896 | 6.91% | 9.21% |
| 1897 | 31.21% | 0.50% |
| 1898 | 13.64% | 9.79% |
| 1899 | 16.64% | 10.67% |
| 1900 | 8.38% | 11.41% |
| 1901 | 1.83% | 2.51% |
| 1902 | 7.21% | 2.30% |
| 1903 | 9.08% | 0.05% |
| 1904 | 27.77% | 12.64% |
| 1905 | 22.16% | 3.46% |
| 1906 | 22.62% | 3.97% |
| 1907 | 17.60% | 15.39% |
| 1908 | 5.91% | 5.34% |
| 1909 | 0.59% | 4.51% |
| 1910 | 0.00% | 46.78% |
| 1911 | 1.38% | 25.17% |
| 1912 | 24.24% | 7.92% |
| 1913 | 12.35% | 1.33% |
| 1914 | 1.03% | 9.53% |
| 1915 | 2.17% | 28.10% |
| 1916 | 5.73% | 13.87% |
| 1917 | 6.13% | 9.41% |
| 1918 | 4.32% | 18.85% |
| 1919 | 10.06% | 2.38% |
| 1920 | 9.25% | 2.14% |
| 1921 | 5.39% | 3.77% |
| 1922 | 21.22% | 2.40% |
| 1923 | 2.27% | 10.07% |
| 1924 | 9.55% | 9.87% |
