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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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| April | Very Wet: | Very Dry: |
|---|---|---|
| 1895 | 3.13% | 13.71% |
| 1896 | 18.41% | 14.23% |
| 1897 | 3.87% | 5.87% |
| 1898 | 0.00% | 5.10% |
| 1899 | 1.07% | 21.96% |
| 1900 | 37.12% | 11.17% |
| 1901 | 8.89% | 5.32% |
| 1902 | 0.00% | 8.60% |
| 1903 | 0.00% | 10.46% |
| 1904 | 2.45% | 10.58% |
| 1905 | 26.89% | 7.33% |
| 1906 | 8.50% | 13.70% |
| 1907 | 2.47% | 5.86% |
| 1908 | 12.86% | 7.10% |
| 1909 | 5.33% | 23.31% |
| 1910 | 0.63% | 8.66% |
| 1911 | 9.77% | 4.11% |
