SUNNYSIDE, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(458207)

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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 83.00 m 80.00 ----- z 46.00 83.00
1895 52.00 64.00 78.00 91.00 89.00 101.00 100.00 101.00 84.00 81.00 67.00 61.00 101.00
1896 58.00 66.00 72.00 74.00 89.00 104.00 105.00 97.00 95.00 82.00 66.00 56.00 105.00
1897 53.00 58.00 70.00 87.00 99.00 96.00 103.00 105.00 91.00 81.00 73.00 57.00 105.00
1898 45.00 69.00 68.00 84.00 86.00 97.00 101.00 108.00 88.00 76.00 62.00 62.00 108.00
1899 61.00 61.00 64.00 75.00 83.00 90.00 106.00 93.00 93.00 81.00 68.00 62.00 106.00
1900 58.00 62.00 71.00 82.00 86.00 95.00 101.00 91.00 86.00 72.00 56.00 55.00 101.00
1901 55.00 70.00 66.00 74.00 90.00 91.00 97.00 100.00 79.00 80.00 67.00 57.00 100.00
1902 63.00 57.00 63.00 70.00 86.00 91.00 97.00 97.00 91.00 77.00 60.00 53.00 97.00
1903 59.00 53.00 70.00 76.00 91.00 95.00 99.00 95.00 81.00 72.00 65.00 53.00 99.00
1904 60.00 53.00 66.00 82.00 87.00 97.00 96.00 100.00 90.00 83.00 64.00 56.00 100.00
1905 59.00 63.00 70.00 83.00 82.00 90.00 104.00 98.00 86.00 68.00 ----- z 50.00 104.00
1906 57.00 t 60.00 67.00 84.00 85.00 92.00 101.00 96.00 89.00 77.00 65.00 50.00 101.00
1907 53.00 ----- z ----- z 81.00 v ----- z ----- z ----- z ----- z 90.00 86.00 63.00 ----- z 90.00
1908 ----- z ----- z ----- z ----- z 78.00 o 94.00 104.00 100.00 95.00 a 85.00 73.00 58.00 104.00
1909 57.00 60.00 71.00 73.00 89.00 95.00 98.00 100.00 96.00 80.00 76.00 55.00 100.00
1910 62.00 57.00 75.00 94.00 98.00 94.00 101.00 96.00 89.00 85.00 67.00 55.00 101.00
1911 54.00 51.00 81.00 83.00 90.00 94.00 105.00 95.00 93.00 80.00 66.00 56.00 105.00
1912 54.00 59.00 74.00 77.00 89.00 102.00 98.00 100.00 88.00 78.00 68.00 61.00 102.00
1913 63.00 58.00 65.00 83.00 90.00 96.00 103.00 102.00 90.00 80.00 62.00 51.00 103.00
1914 62.00 63.00 71.00 80.00 93.00 97.00 101.00 100.00 88.00 74.00 66.00 45.00 101.00
1915 44.00 57.00 74.00 85.00 89.00 99.00 104.00 103.00 93.00 82.00 65.00 64.00 104.00
1916 59.00 61.00 76.00 84.00 87.00 103.00 98.00 102.00 95.00 83.00 65.00 51.00 103.00
1917 55.00 64.00 61.00 70.00 85.00 99.00 106.00 102.00 94.00 88.00 64.00 65.00 106.00
1918 70.00 68.00 77.00 89.00 89.00 100.00 107.00 98.00 94.00 84.00 64.00 64.00 107.00
1919 63.00 57.00 76.00 85.00 92.00 96.00 108.00 100.00 91.00 84.00 69.00 55.00 108.00
1920 62.00 60.00 70.00 84.00 88.00 99.00 103.00 104.00 94.00 84.00 61.00 62.00 104.00
1921 62.00 65.00 73.00 78.00 92.00 98.00 98.00 100.00 83.00 85.00 71.00 66.00 100.00
1922 47.00 54.00 62.00 80.00 95.00 101.00 108.00 102.00 99.00 81.00 62.00 64.00 108.00
1923 59.00 62.00 82.00 87.00 92.00 103.00 103.00 104.00 a 97.00 86.00 67.00 67.00 104.00
1924 63.00 67.00 69.00 83.00 97.00 97.00 a 106.00 101.00 98.00 73.00 69.00 69.00 106.00
1925 62.00 64.00 77.00 89.00 90.00 102.00 104.00 100.00 95.00 76.00 60.00 64.00 104.00
1926 54.00 67.00 a 75.00 96.00 86.00 103.00 105.00 100.00 a 90.00 77.00 66.00 56.00 105.00
1927 55.00 59.00 69.00 89.00 87.00 93.00 103.00 98.00 a 88.00 82.00 76.00 64.00 103.00
1928 54.00 57.00 76.00 77.00 b 97.00 a 99.00 106.00 98.00 97.00 82.00 62.00 60.00 106.00
1929 39.00 55.00 71.00 82.00 93.00 97.00 a 104.00 101.00 95.00 a 85.00 68.00 55.00 104.00
1930 54.00 67.00 80.00 87.00 c 86.00 93.00 103.00 102.00 95.00 81.00 a 70.00 a 52.00 103.00
1931 63.00 a 62.00 a 69.00 88.00 98.00 101.00 105.00 102.00 97.00 88.00 72.00 50.00 105.00
1932 55.00 71.00 73.00 83.00 87.00 100.00 100.00 100.00 95.00 88.00 73.00 64.00 100.00
1933 63.00 56.00 63.00 86.00 87.00 102.00 104.00 104.00 89.00 85.00 73.00 66.00 104.00
1934 62.00 62.00 79.00 93.00 101.00 102.00 105.00 100.00 97.00 86.00 75.00 57.00 105.00
1935 64.00 57.00 73.00 78.00 90.00 97.00 108.00 98.00 98.00 88.00 58.00 54.00 108.00
1936 57.00 63.00 72.00 88.00 99.00 100.00 105.00 102.00 94.00 88.00 58.00 60.00 105.00
1937 46.00 58.00 68.00 76.00 91.00 102.00 102.00 100.00 94.00 80.00 63.00 61.00 102.00
1938 56.00 50.00 68.00 84.00 94.00 96.00 105.00 99.00 97.00 79.00 62.00 60.00 105.00
1939 59.00 56.00 82.00 88.00 96.00 97.00 112.00 102.00 93.00 77.00 64.00 62.00 112.00
1940 49.00 59.00 76.00 79.00 95.00 100.00 99.00 97.00 95.00 85.00 58.00 55.00 100.00
1941 54.00 57.00 75.00 80.00 91.00 95.00 108.00 101.00 85.00 a 73.00 65.00 65.00 108.00
1942 50.00 58.00 76.00 85.00 87.00 100.00 106.00 103.00 94.00 83.00 61.00 55.00 106.00
1943 56.00 60.00 68.00 86.00 86.00 93.00 99.00 96.00 94.00 88.00 64.00 62.00 99.00
1944 56.00 59.00 75.00 81.00 92.00 98.00 101.00 96.00 99.00 83.00 64.00 55.00 101.00
1945 62.00 66.00 74.00 80.00 91.00 97.00 101.00 100.00 91.00 84.00 68.00 55.00 101.00
1946 54.00 61.00 76.00 87.00 90.00 96.00 102.00 100.00 88.00 73.00 64.00 64.00 102.00
1947 58.00 68.00 79.00 88.00 98.00 94.00 98.00 96.00 92.00 81.00 65.00 56.00 98.00
1948 57.00 65.00 73.00 79.00 92.00 102.00 97.00 93.00 a 95.00 76.00 58.00 51.00 102.00
1949 49.00 60.00 67.00 85.00 97.00 99.00 99.00 103.00 98.00 76.00 66.00 60.00 103.00
1950 50.00 65.00 67.00 77.00 88.00 99.00 100.00 100.00 99.00 79.00 63.00 67.00 100.00
1951 58.00 67.00 74.00 86.00 95.00 92.00 102.00 99.00 92.00 80.00 61.00 57.00 102.00
1952 53.00 63.00 73.00 87.00 d 91.00 94.00 105.00 102.00 97.00 86.00 63.00 54.00 105.00
1953 66.00 68.00 72.00 79.00 88.00 86.00 101.00 102.00 95.00 82.00 72.00 62.00 102.00
1954 58.00 64.00 67.00 82.00 95.00 92.00 96.00 98.00 90.00 71.00 64.00 a 54.00 98.00
1955 55.00 59.00 69.00 77.00 85.00 102.00 103.00 100.00 98.00 75.00 68.00 56.00 103.00
1956 53.00 59.00 67.00 85.00 97.00 95.00 102.00 102.00 92.00 80.00 64.00 61.00 102.00
1957 49.00 64.00 65.00 89.00 95.00 97.00 98.00 92.00 95.00 80.00 68.00 58.00 98.00
1958 62.00 65.00 65.00 75.00 99.00 103.00 104.00 101.00 95.00 85.00 68.00 60.00 104.00
1959 58.00 60.00 67.00 78.00 89.00 97.00 104.00 100.00 92.00 78.00 72.00 62.00 104.00
1960 49.00 57.00 82.00 85.00 88.00 95.00 107.00 102.00 91.00 85.00 66.00 52.00 107.00
1961 61.00 63.00 69.00 75.00 93.00 105.00 104.00 103.00 86.00 80.00 a 59.00 59.00 105.00
1962 64.00 60.00 67.00 84.00 81.00 94.00 103.00 100.00 93.00 77.00 66.00 56.00 103.00
1963 59.00 62.00 73.00 74.00 91.00 98.00 93.00 99.00 96.00 85.00 61.00 53.00 99.00
1964 55.00 62.00 77.00 73.00 86.00 92.00 104.00 95.00 90.00 80.00 62.00 56.00 104.00
1965 59.00 68.00 70.00 84.00 91.00 96.00 102.00 105.00 89.00 83.00 68.00 58.00 b 105.00
1966 55.00 62.00 80.00 82.00 98.00 94.00 98.00 98.00 96.00 81.00 66.00 56.00 a 98.00
1967 64.00 67.00 66.00 73.00 92.00 99.00 103.00 106.00 100.00 79.00 75.00 63.00 106.00
1968 67.00 68.00 70.00 89.00 90.00 96.00 108.00 100.00 93.00 83.00 61.00 60.00 108.00
1969 46.00 49.00 74.00 80.00 94.00 100.00 96.00 96.00 92.00 74.00 69.00 54.00 100.00
1970 51.00 59.00 71.00 70.00 90.00 103.00 102.00 99.00 93.00 84.00 64.00 60.00 103.00
1971 68.00 67.00 65.00 75.00 89.00 94.00 104.00 106.00 87.00 83.00 62.00 60.00 106.00
1972 58.00 66.00 75.00 78.00 95.00 94.00 99.00 104.00 92.00 81.00 59.00 66.00 104.00
1973 57.00 62.00 68.00 78.00 97.00 99.00 102.00 99.00 96.00 76.00 60.00 60.00 102.00
1974 62.00 60.00 71.00 75.00 83.00 100.00 102.00 101.00 96.00 80.00 66.00 61.00 102.00
1975 64.00 59.00 65.00 75.00 89.00 93.00 106.00 95.00 92.00 82.00 76.00 64.00 106.00
1976 66.00 63.00 70.00 82.00 87.00 95.00 98.00 94.00 98.00 86.00 69.00 57.00 98.00
1977 67.00 70.00 73.00 93.00 80.00 98.00 99.00 104.00 87.00 75.00 68.00 63.00 104.00
1978 51.00 59.00 75.00 77.00 85.00 98.00 101.00 102.00 88.00 82.00 69.00 57.00 102.00
1979 36.00 62.00 74.00 82.00 92.00 98.00 105.00 98.00 95.00 85.00 60.00 58.00 105.00
1980 51.00 60.00 70.00 88.00 88.00 86.00 103.00 97.00 92.00 86.00 65.00 64.00 103.00
1981 56.00 66.00 72.00 87.00 89.00 92.00 100.00 103.00 96.00 77.00 70.00 57.00 103.00
1982 60.00 67.00 72.00 81.00 87.00 100.00 103.00 99.00 91.00 74.00 65.00 63.00 103.00
1983 63.00 62.00 65.00 80.00 100.00 94.00 98.00 99.00 86.00 76.00 67.00 48.00 100.00
1984 62.00 61.00 71.00 81.00 92.00 94.00 102.00 100.00 92.00 84.00 62.00 55.00 102.00
1985 43.00 64.00 70.00 83.00 95.00 102.00 104.00 97.00 88.00 78.00 67.00 44.00 104.00
1986 56.00 72.00 78.00 88.00 104.00 105.00 97.00 101.00 95.00 80.00 65.00 49.00 105.00
1987 54.00 60.00 63.00 91.00 97.00 101.00 101.00 102.00 103.00 87.00 67.00 57.00 103.00
1988 54.00 72.00 69.00 84.00 96.00 98.00 105.00 102.00 97.00 89.00 71.00 57.00 105.00
1989 66.00 54.00 66.00 83.00 88.00 95.00 96.00 101.00 94.00 81.00 74.00 57.00 101.00
1990 59.00 67.00 77.00 82.00 93.00 94.00 106.00 104.00 95.00 81.00 70.00 56.00 106.00
1991 61.00 62.00 i ----- z ----- z 80.00 93.00 101.00 100.00 92.00 89.00 66.00 61.00 101.00
1992 60.00 64.00 74.00 85.00 96.00 107.00 101.00 104.00 89.00 88.00 62.00 55.00 107.00
1993 55.00 54.00 67.00 74.00 97.00 97.00 94.00 100.00 94.00 86.00 65.00 56.00 100.00
1994 61.00 57.00 77.00 87.00 92.00 97.00 106.00 100.00 93.00 83.00 64.00 63.00 106.00
1995 58.00 72.00 71.00 82.00 94.00 94.00 101.00 98.00 96.00 75.00 66.00 63.00 101.00
1996 57.00 62.00 69.00 83.00 82.00 95.00 104.00 103.00 92.00 84.00 66.00 ----- z 104.00
1997 ----- z ----- z 77.00 75.00 92.00 96.00 98.00 102.00 90.00 75.00 68.00 58.00 102.00
1998 59.00 60.00 71.00 87.00 91.00 93.00 110.00 104.00 99.00 83.00 ----- z ----- z 110.00
1999 ----- z ----- z ----- z ----- z ----- z 104.00 102.00 100.00 ----- z 82.00 a 77.00 a 66.00 104.00
2000 57.00 58.00 69.00 82.00 87.00 99.00 102.00 105.00 95.00 79.00 65.00 55.00 105.00
2001 60.00 59.00 73.00 86.00 101.00 97.00 104.00 103.00 94.00 84.00 67.00 58.00 104.00
2002 62.00 68.00 68.00 77.00 84.00 104.00 109.00 104.00 96.00 83.00 68.00 56.00 109.00
2003 65.00 62.00 77.00 80.00 94.00 98.00 107.00 104.00 98.00 87.00 ----- z 53.00 107.00
2004 62.00 62.00 76.00 84.00 86.00 101.00 103.00 104.00 95.00 83.00 65.00 63.00 104.00
2005 57.00 61.00 76.00 85.00 95.00 96.00 101.00 99.00 90.00 76.00 ----- z 48.00 101.00
2006 58.00 ----- z ----- z ----- z 99.00 103.00 111.00 ----- z ----- z 85.00 74.00 57.00 111.00
2007 59.00 67.00 78.00 79.00 93.00 100.00 106.00 101.00 94.00 76.00 72.00 64.00 106.00
2008 55.00 64.00 63.00 81.00 a 96.00 a 105.00 a 103.00 106.00 90.00 84.00 73.00 61.00 106.00
2009 61.00 57.00 66.00 86.00 97.00 97.00 ----- z 104.00 96.00 70.00 65.00 46.00 104.00
2010 53.00 58.00 68.00 77.00 83.00 87.00 98.00 95.00 84.00 81.00 65.00 60.00 98.00
2011 60.00 65.00 68.00 73.00 78.00 89.00 93.00 93.00 93.00 75.00 60.00 57.00 93.00
2012 56.00 67.00 70.00 85.00 90.00 87.00 99.00 97.00 87.00 80.00 67.00 56.00 99.00
2013 53.00 58.00 71.00 76.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.00 z 76.00
Period of Record Statistics
MEAN 57.17 61.73 71.39 82.00 90.94 97.11 102.25 100.12 92.64 80.92 66.06 57.90 103.17
S.D. 5.95 4.79 4.80 5.48 5.12 4.27 3.71 3.26 4.21 4.56 4.50 5.14 3.06
SKEW -0.77 -0.07 0.14 -0.06 0.00 -0.21 -0.07 -0.39 -0.57 -0.43 0.33 -0.34 -0.25
MAX 70.00 72.00 82.00 96.00 104.00 107.00 112.00 108.00 103.00 89.00 77.00 69.00 112.00
MIN 36.00 49.00 61.00 70.00 78.00 86.00 93.00 91.00 79.00 68.00 56.00 44.00 93.00
NO YRS 115 113 114 113 115 117 116 116 116 119 114 116 105