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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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| October | Very Wet: | Very Dry: |
|---|---|---|
| 1895 | 0.00% | 27.66% |
| 1896 | 7.35% | 5.30% |
| 1897 | 10.52% | 14.90% |
| 1898 | 9.87% | 11.99% |
| 1899 | 3.83% | 2.11% |
| 1900 | 6.79% | 0.63% |
| 1901 | 0.00% | 5.99% |
| 1902 | 1.51% | 9.22% |
| 1903 | 1.89% | 6.19% |
| 1904 | 6.31% | 18.87% |
| 1905 | 1.45% | 12.33% |
| 1906 | 5.03% | 10.52% |
| 1907 | 6.36% | 9.03% |
| 1908 | 15.86% | 17.66% |
| 1909 | 0.00% | 5.91% |
| 1910 | 3.72% | 6.91% |
| 1911 | 14.59% | 2.39% |
| 1912 | 7.61% | 0.70% |
| 1913 | 5.34% | 2.70% |
| 1914 | 6.68% | 1.50% |
| 1915 | 3.71% | 13.39% |
| 1916 | 16.94% | 1.33% |
| 1917 | 5.98% | 36.00% |
| 1918 | 9.30% | 2.17% |
| 1919 | 27.66% | 0.24% |
| 1920 | 8.58% | 5.32% |
| 1921 | 1.54% | 15.21% |
| 1922 | 2.42% | 2.08% |
| 1923 | 16.66% | 3.17% |
| 1924 | 11.92% | 30.52% |
| 1925 | 17.60% | 0.82% |
| 1926 | 3.04% | 3.14% |
| 1927 | 2.92% | 2.59% |
| 1928 | 3.67% | 1.78% |
| 1929 | 9.66% | 4.80% |
| 1930 | 13.78% | 5.11% |
| 1931 | 1.11% | 5.84% |
| 1932 | 14.72% | 6.84% |
| 1933 | 3.39% | 14.01% |
| 1934 | 5.50% | 24.05% |
| 1935 | 0.12% | 14.96% |
| 1936 | 5.89% | 9.64% |
| 1937 | 11.60% | 5.06% |
| 1938 | 5.24% | 29.57% |
| 1939 | 0.36% | 8.70% |
| 1940 | 3.27% | 7.33% |
| 1941 | 44.50% | 0.71% |
| 1942 | 8.38% | 1.98% |
| 1943 | 4.39% | 5.37% |
| 1944 | 1.37% | 18.58% |
| 1945 | 8.08% | 7.64% |
| 1946 | 24.10% | 1.39% |
| 1947 | 11.75% | 5.23% |
| 1948 | 0.08% | 6.93% |
| 1949 | 14.96% | 1.65% |
| 1950 | 9.24% | 18.40% |
| 1951 | 10.40% | 1.36% |
| 1952 | 0.84% | 77.51% |
| 1953 | 2.46% | 20.25% |
| 1954 | 10.45% | 5.74% |
| 1955 | 7.22% | 11.45% |
| 1956 | 6.01% | 7.81% |
| 1957 | 19.17% | 0.48% |
| 1958 | 1.89% | 19.51% |
| 1959 | 30.00% | 5.07% |
| 1960 | 10.27% | 2.34% |
| 1961 | 1.56% | 5.59% |
| 1962 | 6.98% | 0.96% |
| 1963 | 1.84% | 32.53% |
| 1964 | 6.33% | 38.05% |
| 1965 | 1.11% | 22.31% |
| 1966 | 0.90% | 10.08% |
| 1967 | 7.68% | 9.70% |
| 1968 | 5.27% | 1.86% |
| 1969 | 18.50% | 1.30% |
