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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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| June | Very Warm: | Very Cold: |
|---|---|---|
| 1895 | 8.67% | 6.35% |
| 1896 | 26.18% | 0.14% |
| 1897 | 6.45% | 6.44% |
| 1898 | 10.23% | 0.00% |
| 1899 | 8.15% | 3.73% |
| 1900 | 29.42% | 0.02% |
| 1901 | 5.49% | 15.44% |
| 1902 | 18.16% | 21.01% |
| 1903 | 7.91% | 55.11% |
| 1904 | 4.49% | 10.50% |
| 1905 | 0.00% | 4.17% |
| 1906 | 1.50% | 13.84% |
| 1907 | 0.00% | 38.87% |
| 1908 | 1.62% | 16.04% |
| 1909 | 0.46% | 0.00% |
| 1910 | 2.87% | 17.44% |
| 1911 | 38.74% | 2.63% |
| 1912 | 0.17% | 42.62% |
| 1913 | 1.38% | 12.37% |
| 1914 | 23.67% | 3.08% |
| 1915 | 3.07% | 42.79% |
| 1916 | 4.31% | 41.93% |
| 1917 | 0.00% | 25.60% |
| 1918 | 45.62% | 5.06% |
| 1919 | 16.88% | 18.01% |
| 1920 | 0.00% | 6.72% |
| 1921 | 25.97% | 3.18% |
| 1922 | 10.18% | 0.00% |
| 1923 | 5.64% | 17.04% |
| 1924 | 9.39% | 13.12% |
