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| March |
|---|
| Very Warm: |
| Very Cold: |
| 1895 | 1896 | 1897 | 1898 | 1899 | 1900 | 1901 | 1902 | 1903 | 1904 | 1905 | 1906 | 1907 | 1908 | 1909 | 1910 | 1911 | 1912 | 1913 | 1914 | 1915 | 1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 1925 | 1926 | 1927 | 1928 | 1929 | 1930 | 1931 | 1932 | 1933 | 1934 | 1935 | 1936 | 1937 | 1938 | 1939 | 1940 | 1941 | 1942 | 1943 | 1944 | 1945 | 1946 | 1947 | 1948 | 1949 | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.91% | 4.40% | 9.89% | 13.25% | 3.09% | 25.98% | 2.53% | 7.44% | 21.91% | 14.20% | 37.85% | 0.44% | 50.07% | 30.09% | 0.10% | 92.08% | 24.43% | 0.00% | 3.14% | 9.05% | 10.29% | 20.82% | 0.46% | 45.90% | 0.00% | 0.00% | 63.68% | 0.00% | 0.08% | 0.00% | 10.94% | 12.55% | 1.86% | 7.63% | 12.86% | 0.00% | 1.40% | 0.00% | 0.88% | 31.81% | 38.48% | 10.17% | 0.00% | 48.51% | 0.00% | 8.57% | 7.08% | 2.79% | 0.77% | 0.00% | 51.99% | 52.59% | 3.29% | 1.54% | 0.00% | 0.00% | 0.00% | 0.08% | 12.69% | 0.00% | 1.35% | 0.00% | 0.00% | 1.19% | 3.34% | 2.58% | 4.98% | 0.00% | 7.11% | 0.00% | 0.00% | 0.00% | 24.59% | 22.45% | 0.00% | 0.00% | 0.00% | 40.67% | 33.63% | 28.88% | 0.00% | 9.99% | 17.47% | 17.19% | 2.75% | 0.00% | 17.44% | 2.20% | 5.60% | 7.00% | 5.28% | 52.99% | 5.51% | 2.32% | 19.39% | 10.43% | 0.26% | 31.02% | 9.54% | 27.75% | 2.46% | 1.24% | 29.89% | 0.69% | 16.59% | 31.75% | 10.58% | 0.62% | 10.37% | 59.72% | 7.38% | 3.34% | 72.85% | 1.09% | 4.35% | 16.95% | 11.73% | 75.36% | 12.98% |
| 6.45% | 14.64% | 30.17% | 13.32% | 25.24% | 9.18% | 1.20% | 4.67% | 0.00% | 6.15% | 0.00% | 47.76% | 0.71% | 0.00% | 0.16% | 0.00% | 0.67% | 46.59% | 17.77% | 7.10% | 49.59% | 9.66% | 35.35% | 0.00% | 1.08% | 0.00% | 0.00% | 9.75% | 25.11% | 34.52% | 0.00% | 21.95% | 0.00% | 0.15% | 0.00% | 0.48% | 19.34% | 30.94% | 0.00% | 0.95% | 6.11% | 0.06% | 8.52% | 4.36% | 1.80% | 6.73% | 28.08% | 4.75% | 17.18% | 10.97% | 6.07% | 0.00% | 32.57% | 31.45% | 0.47% | 7.91% | 21.19% | 33.87% | 0.00% | 4.08% | 16.04% | 3.83% | 0.00% | 35.25% | 0.00% | 54.77% | 0.00% | 19.80% | 0.00% | 19.00% | 56.13% | 0.00% | 2.42% | 2.65% | 58.51% | 8.06% | 9.13% | 1.16% | 9.68% | 0.00% | 3.46% | 3.18% | 5.58% | 3.42% | 0.00% | 0.00% | 0.00% | 0.00% | 0.40% | 11.25% | 1.83% | 0.00% | 3.09% | 0.00% | 0.80% | 0.00% | 3.38% | 0.85% | 0.24% | 0.00% | 0.00% | 12.34% | 0.59% | 0.00% | 0.35% | 0.00% | 3.70% | 13.03% | 0.00% | 0.00% | 0.43% | 5.55% | 0.00% | 0.59% | 1.09% | 3.77% | 0.00% | 0.37% | 16.11% |
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 in the top ten percent (> 90th percentile) of their historical distribution are very warm and those in the bottom ten percent (< 10th percentile) are very cold.
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http://www.ncdc.noaa.gov/temp-and-precip/uspa/index.php