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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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| 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% |
