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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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| July | Very Wet: | Very Dry: |
|---|---|---|
| 1895 | 18.08% | 9.99% |
| 1896 | 17.16% | 10.00% |
| 1897 | 8.15% | 6.26% |
| 1898 | 9.66% | 10.50% |
| 1899 | 13.17% | 13.21% |
| 1900 | 14.45% | 15.81% |
| 1901 | 2.91% | 15.91% |
| 1902 | 22.35% | 19.37% |
| 1903 | 15.61% | 10.51% |
| 1904 | 1.86% | 0.00% |
| 1905 | 16.63% | 9.38% |
| 1906 | 18.66% | 9.84% |
| 1907 | 7.04% | 6.89% |
| 1908 | 8.52% | 2.71% |
| 1909 | 12.23% | 5.58% |
