U.S. Percentage Areas (Very Warm/Cold, Very Wet/Dry)

Contiguous United States percentage area products are derived from standardized temperature and precipitation values, which are based on the U.S. Climate Divisional Dataset. Climate divisions with a standardized anomaly in the top ten percent (> 90th percentile) of their historical distribution are considered "very warm/wet" and those in the bottom ten percent (< 10th percentile) are classified as "very cold/dry". For more information please contact NCEI.Monitoring.info@noaa.gov.

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August Very Wet: Very Dry:
1895 6.32% 7.87%
1896 5.61% 19.08%
1897 4.08% 8.52%
1898 11.86% 4.50%
1899 7.93% 17.89%
1900 9.34% 19.78%
1901 18.90% 8.95%
1902 6.21% 18.55%
1903 12.45% 5.05%
1904 6.52% 1.18%
1905 3.27% 8.34%
1906 26.52% 3.74%
1907 7.16% 7.13%
1908 8.22% 5.13%
1909 12.93% 15.08%
1910 2.42% 22.10%
1911 11.62% 11.43%
1912 17.25% 4.90%
1913 2.68% 16.57%
1914 15.48% 13.27%
1915 22.10% 10.76%
1916 9.81% 4.28%
1917 6.33% 11.03%
1918 3.15% 2.37%
1919 8.61% 16.61%
1920 22.09% 3.19%
1921 9.97% 11.12%
1922 9.66% 12.70%
1923 16.48% 4.87%
1924 4.29% 26.78%
1925 4.57% 18.79%
1926 19.46% 7.68%
1927 11.46% 7.62%
1928 12.89% 9.68%
1929 4.15% 28.52%
1930 10.27% 20.84%
1931 12.12% 10.14%
1932 7.95% 5.54%
1933 15.51% 7.01%
1934 2.61% 13.64%
1935 5.86% 6.50%
1936 2.77% 17.13%
1937 5.78% 15.35%
1938 1.13% 19.05%
1939 6.77% 6.43%
1940 12.00% 16.67%
1941 15.72% 3.65%
1942 18.03% 3.69%
1943 3.86% 23.03%
1944 14.45% 22.22%
1945 12.84% 4.51%
1946 6.53% 5.43%
1947 10.63% 13.48%
1948 2.14% 11.17%
1949 6.80% 10.19%
1950 9.30% 19.38%
1951 15.44% 13.08%
1952 5.02% 10.34%
1953 7.19% 16.19%
1954 11.65% 10.94%
1955 15.56% 22.95%
1956 4.01% 21.58%
1957 8.75% 20.49%
1958 1.85% 4.62%
1959 6.86% 1.72%
1960 11.43% 14.36%
1961 8.13% 4.66%
1962 2.51% 23.42%
1963 10.48% 6.21%
1964 7.87% 5.42%
1965 16.58% 1.26%
1966 16.16% 2.08%
1967 7.84% 17.23%
1968 25.39% 5.51%
1969 3.25% 25.29%
1970 5.56% 19.78%
1971 12.76% 10.35%
1972 12.50% 6.08%
1973 0.55% 13.43%
1974 24.01% 8.32%
1975 18.43% 9.83%
1976 14.38% 23.14%
1977 25.78% 0.18%
1978 9.82% 5.78%
1979 14.95% 1.78%
1980 15.97% 19.65%
1981 10.59% 6.86%
1982 6.60% 5.46%
1983 20.60% 13.43%
1984 14.82% 8.69%
1985 15.33% 18.19%
1986 5.93% 3.64%
1987 8.71% 6.93%
1988 10.77% 6.03%
1989 8.03% 3.68%
1990 9.95% 5.92%
1991 7.01% 3.25%
1992 12.62% 1.09%
1993 12.68% 7.25%
1994 5.50% 12.65%
1995 8.52% 8.04%
1996 13.45% 17.12%
1997 13.29% 6.98%
1998 4.73% 6.55%
1999 10.75% 13.23%
2000 2.00% 25.28%
2001 2.38% 16.94%
2002 5.29% 19.84%
2003 7.52% 10.28%
2004 14.50% 1.99%
2005 11.91% 4.09%
2006 11.54% 10.32%
2007 12.23% 13.13%
2008 18.95% 12.04%
2009 6.39% 8.84%
2010 4.32% 6.73%
2011 7.73% 20.11%
2012 5.93% 16.98%
2013 6.40% 10.42%
2014 25.70% 2.30%
2015 3.70% 3.15%
2016 21.76% 9.92%
2017 19.38% 6.04%