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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 Wet: | Very Dry: |
|---|---|---|
| 1895 | 2.06% | 17.48% |
| 1896 | 8.33% | 15.86% |
| 1897 | 16.86% | 8.88% |
| 1898 | 4.11% | 25.98% |
| 1899 | 13.65% | 13.34% |
| 1900 | 15.52% | 9.67% |
| 1901 | 2.65% | 11.03% |
| 1902 | 13.88% | 10.38% |
| 1903 | 40.41% | 6.88% |
| 1904 | 17.53% | 15.56% |
| 1905 | 9.39% | 5.52% |
| 1906 | 0.00% | 11.59% |
| 1907 | 4.11% | 8.72% |
| 1908 | 20.53% | 0.88% |
| 1909 | 21.15% | 8.47% |
| 1910 | 11.64% | 8.81% |
| 1911 | 14.95% | 5.81% |
| 1912 | 5.86% | 10.80% |
| 1913 | 3.15% | 10.90% |
| 1914 | 0.00% | 1.01% |
| 1915 | 23.09% | 1.52% |
| 1916 | 3.40% | 20.22% |
| 1917 | 4.50% | 11.61% |
| 1918 | 0.00% | 11.55% |
| 1919 | 16.02% | 0.00% |
| 1920 | 2.65% | 18.17% |
| 1921 | 0.00% | 10.26% |
| 1922 | 10.25% | 2.11% |
| 1923 | 6.70% | 15.59% |
| 1924 | 0.00% | 10.15% |
| 1925 | 0.00% | 15.40% |
| 1926 | 3.95% | 17.89% |
| 1927 | 9.08% | 0.92% |
| 1928 | 3.74% | 12.38% |
| 1929 | 5.04% | 8.15% |
| 1930 | 3.94% | 8.54% |
| 1931 | 10.64% | 9.09% |
| 1932 | 11.65% | 5.39% |
| 1933 | 0.51% | 8.06% |
| 1934 | 4.24% | 19.22% |
| 1935 | 1.34% | 7.96% |
| 1936 | 25.46% | 11.71% |
| 1937 | 6.10% | 7.84% |
| 1938 | 16.65% | 7.72% |
| 1939 | 25.20% | 3.44% |
| 1940 | 17.38% | 0.00% |
| 1941 | 9.53% | 18.35% |
| 1942 | 4.64% | 3.77% |
| 1943 | 0.94% | 21.71% |
| 1944 | 13.87% | 1.63% |
| 1945 | 11.32% | 3.60% |
| 1946 | 2.75% | 12.95% |
| 1947 | 0.59% | 36.62% |
| 1948 | 17.77% | 2.51% |
| 1949 | 7.88% | 5.63% |
| 1950 | 9.01% | 8.77% |
| 1951 | 16.77% | 4.32% |
| 1952 | 5.73% | 2.69% |
| 1953 | 10.65% | 6.71% |
| 1954 | 3.22% | 24.31% |
| 1955 | 11.17% | 5.69% |
| 1956 | 12.35% | 3.56% |
| 1957 | 3.14% | 5.79% |
| 1958 | 14.43% | 7.20% |
| 1959 | 5.64% | 0.72% |
| 1960 | 12.21% | 2.14% |
| 1961 | 15.01% | 9.02% |
| 1962 | 24.18% | 6.01% |
| 1963 | 2.67% | 12.38% |
| 1964 | 5.43% | 28.28% |
