KENNEWICK, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(454154)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1894 ----- z 56.00 66.00 84.00 98.00 d 98.00 101.00 107.00 93.00 83.00 71.00 55.00 107.00
1895 62.00 66.00 79.00 86.00 89.00 99.00 103.00 b 101.00 85.00 85.00 a ----- z ----- z 103.00
1896 74.00 70.00 77.00 76.00 92.00 105.00 106.00 97.00 95.00 85.00 73.00 65.00 106.00
1897 52.00 60.00 68.00 86.00 99.00 100.00 107.00 106.00 92.00 81.00 78.00 63.00 107.00
1898 48.00 67.00 69.00 82.00 92.00 103.00 105.00 115.00 92.00 79.00 69.00 71.00 115.00
1899 65.00 63.00 67.00 79.00 86.00 97.00 106.00 96.00 94.00 83.00 68.00 64.00 106.00
1900 62.00 62.00 78.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 78.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1902 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1903 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1904 57.00 n 58.00 69.00 89.00 94.00 107.00 105.00 112.00 99.00 ----- z ----- z ----- z 112.00
1905 ----- z 72.00 78.00 89.00 86.00 ----- z 110.00 105.00 93.00 72.00 65.00 b 51.00 a 110.00
1906 58.00 67.00 b 85.00 a 91.00 a 93.00 b 98.00 a 111.00 d 103.00 97.00 f 82.00 62.00 h 56.00 111.00
1907 53.00 60.00 71.00 77.00 ----- z 97.00 107.00 106.00 97.00 b 86.00 a 65.00 58.00 107.00
1908 59.00 63.00 70.00 88.00 89.00 a 102.00 l 110.00 104.00 97.00 a 82.00 72.00 56.00 110.00
1909 57.00 63.00 a 76.00 77.00 92.00 100.00 104.00 103.00 ----- z 78.00 68.00 50.00 104.00
1910 57.00 58.00 c 89.00 p 95.00 104.00 104.00 103.00 99.00 c 87.00 88.00 75.00 a 55.00 104.00
1911 64.00 68.00 87.00 e 89.00 99.00 106.00 114.00 104.00 100.00 g 85.00 67.00 e 59.00 114.00
1912 59.00 c 61.00 a 74.00 80.00 95.00 110.00 107.00 d 103.00 a 91.00 79.00 67.00 63.00 110.00
1913 ----- z 64.00 65.00 87.00 95.00 101.00 a 108.00 a 108.00 c 95.00 c 77.00 e 66.00 60.00 c 108.00
1914 59.00 h 68.00 a 78.00 h 79.00 f 94.00 a 97.00 103.00 98.00 87.00 74.00 66.00 47.00 a 103.00
1915 55.00 59.00 75.00 80.00 80.00 96.00 100.00 98.00 91.00 81.00 67.00 a 61.00 100.00
1916 64.00 e 56.00 74.00 82.00 85.00 100.00 101.00 98.00 91.00 81.00 63.00 58.00 101.00
1917 64.00 65.00 62.00 73.00 87.00 b 100.00 101.00 98.00 92.00 a 88.00 67.00 71.00 101.00
1918 65.00 61.00 78.00 86.00 90.00 104.00 105.00 97.00 a 90.00 83.00 64.00 67.00 105.00
1919 68.00 60.00 78.00 83.00 95.00 94.00 104.00 g 98.00 a 89.00 84.00 68.00 56.00 a 104.00
1920 61.00 56.00 70.00 85.00 90.00 100.00 102.00 98.00 91.00 83.00 62.00 60.00 102.00
1921 59.00 64.00 a 72.00 79.00 93.00 100.00 98.00 99.00 83.00 82.00 68.00 70.00 100.00
1922 47.00 59.00 62.00 80.00 91.00 99.00 109.00 100.00 95.00 78.00 60.00 59.00 109.00
1923 58.00 59.00 79.00 84.00 92.00 99.00 102.00 102.00 95.00 83.00 67.00 68.00 102.00
1924 69.00 65.00 65.00 ----- z 97.00 106.00 104.00 99.00 95.00 77.00 62.00 66.00 106.00
1925 61.00 63.00 72.00 86.00 88.00 105.00 104.00 98.00 94.00 73.00 60.00 62.00 105.00
1926 57.00 68.00 72.00 95.00 86.00 b 102.00 106.00 98.00 90.00 72.00 65.00 58.00 106.00
1927 55.00 60.00 64.00 89.00 88.00 95.00 104.00 97.00 a 82.00 77.00 74.00 64.00 104.00
1928 54.00 54.00 71.00 77.00 95.00 97.00 108.00 100.00 97.00 81.00 61.00 60.00 108.00
1929 49.00 54.00 69.00 81.00 91.00 95.00 103.00 102.00 94.00 81.00 64.00 59.00 103.00
1930 58.00 65.00 77.00 82.00 86.00 94.00 103.00 102.00 92.00 77.00 65.00 52.00 103.00
1931 59.00 68.00 64.00 86.00 95.00 97.00 104.00 102.00 94.00 83.00 71.00 51.00 104.00
1932 58.00 71.00 72.00 81.00 86.00 98.00 98.00 100.00 91.00 84.00 a 68.00 63.00 100.00
1933 61.00 56.00 68.00 b 84.00 89.00 i 101.00 103.00 101.00 e 89.00 84.00 a 71.00 68.00 a 103.00
1934 63.00 b 69.00 79.00 94.00 96.00 c 105.00 b 110.00 102.00 100.00 86.00 76.00 58.00 110.00
1935 64.00 55.00 75.00 78.00 90.00 93.00 106.00 96.00 93.00 81.00 62.00 48.00 106.00
1936 59.00 58.00 70.00 89.00 100.00 100.00 100.00 99.00 90.00 81.00 51.00 65.00 100.00
1937 45.00 55.00 68.00 76.00 90.00 101.00 a 101.00 98.00 90.00 78.00 64.00 63.00 101.00
1938 55.00 60.00 70.00 83.00 98.00 a 98.00 109.00 102.00 100.00 79.00 a 65.00 67.00 109.00
1939 60.00 60.00 80.00 a 91.00 101.00 105.00 115.00 105.00 95.00 79.00 65.00 56.00 115.00
1940 50.00 58.00 77.00 80.00 97.00 103.00 105.00 101.00 a 100.00 87.00 60.00 58.00 105.00
1941 56.00 56.00 73.00 89.00 95.00 98.00 109.00 103.00 88.00 75.00 67.00 67.00 109.00
1942 50.00 55.00 80.00 89.00 90.00 102.00 106.00 106.00 99.00 85.00 64.00 57.00 106.00
1943 56.00 60.00 73.00 87.00 88.00 94.00 105.00 100.00 97.00 89.00 68.00 61.00 105.00
1944 54.00 60.00 78.00 85.00 96.00 101.00 105.00 98.00 99.00 80.00 63.00 58.00 105.00
1945 64.00 68.00 70.00 79.00 91.00 98.00 102.00 101.00 91.00 83.00 70.00 65.00 102.00
1946 ----- z ----- z ----- z 88.00 f 87.00 98.00 106.00 99.00 86.00 72.00 68.00 62.00 106.00
1947 60.00 67.00 75.00 88.00 100.00 95.00 101.00 97.00 92.00 82.00 62.00 56.00 101.00
1948 59.00 68.00 72.00 78.00 90.00 101.00 a 96.00 c 98.00 92.00 76.00 60.00 55.00 101.00
1949 49.00 58.00 67.00 86.00 a 97.00 99.00 100.00 100.00 93.00 a 70.00 68.00 63.00 100.00
1950 50.00 62.00 62.00 76.00 88.00 98.00 101.00 97.00 99.00 a 78.00 61.00 64.00 101.00
1951 57.00 66.00 68.00 84.00 95.00 97.00 102.00 96.00 90.00 75.00 66.00 60.00 102.00
1952 52.00 60.00 75.00 89.00 94.00 94.00 104.00 101.00 92.00 a 83.00 63.00 53.00 104.00
1953 63.00 64.00 71.00 80.00 88.00 87.00 101.00 100.00 k 94.00 a 80.00 67.00 60.00 101.00
1954 59.00 a 65.00 69.00 a 83.00 94.00 94.00 a 96.00 m 97.00 87.00 71.00 62.00 54.00 97.00
1955 50.00 59.00 67.00 78.00 85.00 a 100.00 103.00 d 94.00 l 93.00 a 81.00 c 68.00 b 62.00 103.00
1956 61.00 61.00 k 68.00 87.00 95.00 95.00 100.00 n 99.00 88.00 a 74.00 64.00 61.00 100.00
1957 49.00 65.00 65.00 89.00 95.00 97.00 99.00 91.00 d 93.00 70.00 59.00 62.00 99.00
1958 62.00 65.00 66.00 77.00 99.00 106.00 106.00 101.00 j 90.00 81.00 68.00 64.00 106.00
1959 61.00 a 68.00 66.00 79.00 92.00 97.00 102.00 98.00 90.00 79.00 71.00 65.00 102.00
1960 50.00 b 59.00 82.00 82.00 86.00 94.00 107.00 100.00 88.00 81.00 70.00 52.00 107.00
1961 61.00 66.00 71.00 75.00 94.00 106.00 104.00 108.00 84.00 80.00 59.00 d 57.00 108.00
1962 60.00 59.00 70.00 85.00 81.00 96.00 102.00 100.00 92.00 73.00 68.00 56.00 102.00
1963 55.00 62.00 72.00 75.00 92.00 100.00 94.00 99.00 93.00 81.00 64.00 54.00 100.00
1964 56.00 62.00 76.00 75.00 89.00 96.00 101.00 94.00 87.00 76.00 60.00 59.00 101.00
1965 63.00 67.00 75.00 83.00 90.00 94.00 104.00 104.00 89.00 84.00 68.00 54.00 104.00
1966 55.00 61.00 77.00 78.00 95.00 94.00 98.00 99.00 94.00 82.00 61.00 59.00 99.00
1967 63.00 68.00 64.00 71.00 91.00 99.00 101.00 105.00 100.00 78.00 66.00 62.00 105.00
1968 66.00 66.00 69.00 90.00 90.00 97.00 106.00 98.00 b 92.00 80.00 60.00 60.00 106.00
1969 52.00 50.00 72.00 78.00 95.00 100.00 97.00 95.00 91.00 68.00 63.00 54.00 100.00
1970 53.00 58.00 66.00 70.00 92.00 101.00 102.00 98.00 86.00 82.00 62.00 60.00 102.00
1971 68.00 65.00 67.00 76.00 91.00 95.00 107.00 103.00 89.00 82.00 62.00 57.00 107.00
1972 62.00 70.00 77.00 81.00 96.00 98.00 101.00 106.00 95.00 82.00 58.00 63.00 106.00
1973 58.00 64.00 71.00 80.00 96.00 100.00 103.00 101.00 98.00 75.00 65.00 65.00 103.00
1974 63.00 60.00 74.00 78.00 85.00 101.00 103.00 103.00 91.00 81.00 70.00 60.00 a 103.00
1975 59.00 60.00 67.00 75.00 92.00 97.00 106.00 95.00 a 94.00 82.00 76.00 64.00 106.00
1976 63.00 61.00 75.00 84.00 ----- z 98.00 99.00 a 97.00 97.00 a 76.00 67.00 b 60.00 99.00
1977 61.00 68.00 70.00 87.00 76.00 a 100.00 g 101.00 110.00 87.00 81.00 68.00 67.00 110.00
1978 51.00 60.00 75.00 75.00 87.00 97.00 104.00 ----- z 88.00 79.00 70.00 54.00 104.00
1979 36.00 60.00 71.00 ----- z 94.00 ----- z 108.00 100.00 91.00 ----- z 60.00 59.00 108.00
1980 54.00 62.00 66.00 90.00 89.00 90.00 104.00 100.00 94.00 89.00 68.00 68.00 104.00
1981 55.00 64.00 71.00 90.00 91.00 93.00 103.00 105.00 97.00 81.00 a 70.00 58.00 105.00
1982 60.00 70.00 71.00 83.00 88.00 101.00 106.00 103.00 92.00 74.00 68.00 68.00 106.00
1983 66.00 66.00 68.00 82.00 104.00 93.00 100.00 100.00 89.00 77.00 75.00 52.00 104.00
1984 62.00 63.00 71.00 84.00 92.00 97.00 105.00 101.00 91.00 83.00 64.00 52.00 105.00
1985 40.00 62.00 69.00 83.00 95.00 101.00 104.00 95.00 86.00 76.00 67.00 45.00 104.00
1986 58.00 74.00 77.00 88.00 103.00 104.00 98.00 103.00 93.00 83.00 67.00 54.00 104.00
1987 55.00 60.00 69.00 91.00 98.00 100.00 104.00 102.00 100.00 82.00 65.00 66.00 104.00
1988 58.00 71.00 70.00 82.00 95.00 96.00 102.00 100.00 97.00 89.00 69.00 61.00 102.00
1989 63.00 52.00 71.00 80.00 86.00 93.00 97.00 101.00 92.00 79.00 73.00 60.00 101.00
1990 68.00 64.00 73.00 81.00 87.00 95.00 107.00 105.00 95.00 81.00 69.00 58.00 107.00
1991 58.00 63.00 70.00 80.00 78.00 93.00 101.00 101.00 95.00 89.00 65.00 58.00 101.00
1992 61.00 63.00 72.00 83.00 95.00 107.00 101.00 105.00 88.00 84.00 60.00 55.00 107.00
1993 57.00 50.00 64.00 74.00 100.00 96.00 96.00 98.00 94.00 85.00 65.00 68.00 100.00
1994 62.00 62.00 78.00 85.00 91.00 97.00 106.00 101.00 90.00 80.00 64.00 65.00 106.00
1995 64.00 74.00 69.00 79.00 93.00 93.00 100.00 98.00 96.00 74.00 68.00 62.00 100.00
1996 59.00 68.00 66.00 82.00 82.00 93.00 104.00 102.00 91.00 82.00 66.00 52.00 104.00
1997 56.00 65.00 76.00 76.00 92.00 95.00 101.00 103.00 89.00 79.00 65.00 61.00 103.00
1998 58.00 58.00 70.00 87.00 92.00 ----- z 108.00 110.00 99.00 82.00 68.00 59.00 110.00
1999 61.00 65.00 73.00 80.00 93.00 101.00 101.00 101.00 91.00 82.00 79.00 61.00 101.00
2000 54.00 59.00 64.00 82.00 90.00 98.00 100.00 104.00 91.00 77.00 61.00 49.00 104.00
2001 58.00 57.00 71.00 84.00 100.00 ----- z 102.00 102.00 92.00 81.00 ----- z 60.00 102.00
2002 67.00 66.00 65.00 75.00 84.00 102.00 106.00 100.00 92.00 78.00 63.00 66.00 106.00
2003 69.00 62.00 80.00 79.00 94.00 97.00 107.00 100.00 97.00 ----- z 68.00 51.00 107.00
2004 61.00 60.00 76.00 82.00 85.00 99.00 103.00 102.00 95.00 79.00 67.00 64.00 103.00
2005 61.00 60.00 76.00 81.00 96.00 98.00 102.00 101.00 88.00 76.00 59.00 52.00 102.00
2006 61.00 60.00 67.00 85.00 98.00 103.00 109.00 99.00 94.00 82.00 73.00 57.00 109.00
2007 60.00 67.00 77.00 80.00 93.00 99.00 105.00 100.00 96.00 76.00 71.00 69.00 105.00
2008 58.00 63.00 65.00 82.00 96.00 102.00 a 102.00 104.00 90.00 82.00 71.00 53.00 104.00
2009 63.00 59.00 71.00 85.00 96.00 97.00 103.00 105.00 97.00 70.00 68.00 55.00 105.00
2010 57.00 61.00 70.00 82.00 86.00 94.00 101.00 101.00 89.00 83.00 69.00 60.00 101.00
2011 64.00 63.00 69.00 75.00 81.00 93.00 97.00 99.00 95.00 79.00 71.00 62.00 99.00
2012 60.00 64.00 72.00 88.00 92.00 91.00 105.00 103.00 91.00 82.00 71.00 63.00 105.00
2013 58.00 59.00 73.00 76.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 37.00 z 76.00
Period of Record Statistics
MEAN 58.39 62.37 71.56 82.52 91.88 98.48 103.54 100.96 92.37 80.04 66.33 59.56 103.88
S.D. 5.95 4.78 5.00 5.23 5.32 4.08 3.68 3.77 3.94 4.43 4.61 5.48 3.15
SKEW -0.72 -0.01 0.39 0.09 -0.30 0.23 0.24 0.76 -0.04 -0.39 0.06 -0.18 0.96
MAX 74.00 74.00 87.00 95.00 104.00 110.00 115.00 115.00 100.00 89.00 79.00 71.00 115.00
MIN 36.00 50.00 62.00 70.00 76.00 87.00 94.00 91.00 82.00 68.00 51.00 45.00 99.00
NO YRS 111 115 114 111 112 109 112 111 112 112 111 113 85