SUNNYSIDE, WASHINGTON

Monthly Average 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 73.76 m 63.39 ----- z 37.16 50.27
1895 36.45 47.32 57.61 69.87 73.65 85.07 87.97 88.00 71.13 69.10 49.90 42.39 64.87
1896 40.42 51.79 54.97 63.13 70.06 83.57 94.71 89.68 76.10 64.77 40.20 41.55 64.25
1897 36.26 45.50 51.16 72.67 81.90 82.87 86.48 93.32 75.87 65.10 47.53 37.94 64.72
1898 35.42 51.14 55.87 67.73 74.68 81.50 90.16 92.48 78.57 63.39 46.47 35.03 64.37
1899 37.94 40.29 55.77 65.07 69.52 79.50 90.90 79.71 81.20 61.19 55.20 41.45 63.14
1900 44.39 43.93 61.32 66.60 74.55 83.37 89.03 80.65 72.77 61.32 45.50 45.87 64.11
1901 38.10 41.43 56.23 63.17 74.26 75.13 85.26 91.16 70.20 70.52 52.27 40.81 63.21
1902 36.00 44.00 54.87 61.40 70.16 78.43 83.06 84.87 75.87 66.10 48.17 35.74 61.56
1903 40.68 41.54 53.35 61.70 73.26 83.57 83.13 82.16 72.23 64.26 45.13 35.03 61.34
1904 42.23 42.28 49.42 67.27 72.03 79.67 83.87 87.13 78.47 65.26 54.77 41.00 63.61
1905 37.10 42.96 60.16 67.47 69.87 77.70 89.23 84.52 76.07 55.42 ----- z 35.48 63.27
1906 47.64 t 44.11 51.87 69.87 71.90 75.90 93.52 85.90 76.10 66.61 48.60 37.65 65.64
1907 29.42 ----- z ----- z 64.12 v ----- z ----- z ----- z ----- z 75.23 70.81 54.27 ----- z 57.43
1908 ----- z ----- z ----- z ----- z 70.38 o 79.10 89.26 89.26 81.97 a 65.48 55.33 38.94 71.33
1909 31.03 49.11 60.16 65.83 72.32 83.10 86.45 87.71 80.87 66.29 53.13 33.39 64.12
1910 37.90 40.86 64.61 71.67 80.87 81.73 92.26 86.16 77.33 67.71 48.73 41.23 65.92
1911 40.35 43.43 62.19 67.73 70.39 82.73 92.13 87.39 72.70 65.84 52.93 41.84 64.97
1912 33.94 49.45 54.97 66.13 76.45 85.53 86.87 83.74 76.33 61.23 51.67 43.65 64.16
1913 36.23 38.29 53.97 68.13 74.06 82.63 88.74 89.29 78.23 62.65 51.73 36.45 63.37
1914 45.19 43.36 61.90 68.13 78.26 81.20 92.45 90.94 74.87 67.06 52.33 31.58 65.61
1915 33.68 48.07 62.39 73.33 73.87 85.77 90.35 96.26 80.80 72.00 51.23 43.90 67.64
1916 29.58 44.24 61.16 71.50 74.65 83.07 85.32 91.39 81.20 69.74 45.00 33.52 64.20
1917 39.77 45.00 52.97 62.23 73.74 82.27 93.71 93.94 82.00 73.13 54.67 53.13 67.21
1918 47.35 47.46 60.94 72.77 75.58 90.03 91.00 86.61 86.63 70.39 53.73 44.97 68.96
1919 43.87 48.36 60.77 70.43 76.97 82.67 92.94 91.39 79.90 65.68 50.63 29.10 66.06
1920 35.68 48.90 58.68 63.63 73.26 80.77 94.84 90.84 80.03 66.35 52.80 43.52 65.77
1921 43.61 48.29 60.74 66.67 78.16 85.43 90.65 91.32 75.87 71.35 52.00 39.35 66.95
1922 28.68 42.64 56.13 65.27 76.26 91.40 95.00 90.58 84.40 69.71 45.80 35.87 65.14
1923 48.10 42.11 61.48 70.90 77.10 82.50 92.00 91.90 a 84.17 67.45 56.13 44.48 68.19
1924 37.58 56.00 60.74 71.80 85.90 86.03 a 92.29 89.68 82.23 67.65 47.53 35.10 67.71
1925 46.35 55.39 63.45 74.30 79.48 84.67 94.58 89.10 79.53 67.97 48.70 44.03 68.96
1926 38.81 54.56 a 67.06 76.37 75.42 88.30 93.65 87.87 a 75.33 68.81 52.50 37.55 68.02
1927 35.90 49.25 58.10 66.63 72.10 83.97 91.55 89.50 a 75.77 66.87 54.70 39.42 65.31
1928 34.61 48.62 61.81 65.18 b 82.80 a 82.23 92.52 89.13 81.83 67.68 50.17 38.10 66.22
1929 26.10 35.39 60.13 64.90 76.97 81.59 a 90.26 92.26 77.55 a 72.03 51.03 43.42 64.30
1930 24.29 51.82 62.94 74.22 c 74.45 81.63 92.39 91.65 79.73 64.23 a 49.55 a 37.55 65.37
1931 41.27 a 51.00 a 59.39 69.27 82.77 81.73 94.29 92.29 80.60 68.32 47.67 32.74 66.78
1932 36.84 45.31 56.52 68.43 75.39 88.40 86.71 87.97 82.13 66.29 54.07 39.35 65.62
1933 43.97 40.36 55.74 67.13 69.48 83.33 92.03 90.97 73.47 71.58 50.90 48.39 65.61
1934 48.48 53.68 66.45 75.67 79.13 84.70 90.13 90.81 77.60 67.45 53.93 43.65 69.31
1935 41.13 48.14 56.39 64.73 76.97 82.20 89.90 87.84 84.63 64.29 43.87 34.97 64.59
1936 41.45 31.86 56.55 71.83 80.55 82.70 90.77 90.03 80.53 73.81 46.40 43.19 65.81
1937 24.52 41.79 58.13 63.47 76.23 81.43 92.39 84.97 80.53 70.52 52.83 42.06 64.07
1938 41.13 43.54 56.55 68.20 76.68 85.23 93.74 87.55 85.40 66.81 49.40 45.10 66.61
1939 44.13 45.93 59.16 70.27 77.39 79.07 90.58 91.10 81.40 67.71 55.07 47.00 67.40
1940 35.55 46.52 62.32 67.23 78.45 87.23 88.87 89.39 80.97 67.71 43.00 40.84 65.67
1941 38.74 49.71 64.77 69.60 72.77 79.80 93.74 85.29 73.59 a 63.87 53.83 44.29 65.83
1942 29.97 47.00 58.61 68.03 71.94 77.90 90.81 91.52 82.90 70.19 45.20 39.00 64.42
1943 31.26 46.39 55.23 67.93 70.19 78.07 89.74 84.52 84.37 64.77 46.97 39.45 63.24
1944 39.03 47.14 56.42 65.90 74.74 80.80 89.74 86.52 82.50 72.45 46.77 35.81 64.82
1945 42.13 50.00 54.61 64.43 75.55 80.43 91.42 89.94 77.03 69.58 49.20 38.26 65.22
1946 45.58 51.68 57.06 67.30 78.35 77.60 87.65 88.23 75.80 61.45 48.03 45.03 65.31
1947 40.52 52.11 63.03 70.00 81.71 78.50 87.42 85.68 79.93 63.84 51.23 42.23 66.35
1948 42.42 43.48 53.87 61.47 69.32 84.47 85.03 84.27 a 77.57 66.58 50.13 37.52 63.01
1949 29.68 43.11 55.74 71.30 79.48 82.03 87.90 87.42 81.77 64.77 56.10 45.65 65.41
1950 26.35 41.54 54.13 62.73 73.74 78.93 90.29 90.26 83.73 62.39 50.63 44.13 63.24
1951 42.74 48.32 52.87 71.20 75.35 82.43 91.23 88.68 81.57 64.77 50.07 38.16 65.62
1952 33.84 48.97 56.94 71.58 d 76.06 80.13 93.94 88.68 86.17 74.90 45.20 40.03 66.37
1953 51.65 54.43 59.29 63.30 71.90 75.87 90.03 86.61 83.77 69.87 54.47 48.61 67.48
1954 40.32 45.54 55.68 64.83 76.06 76.87 86.61 83.52 78.70 64.23 55.69 a 43.13 64.26
1955 37.58 48.36 52.23 59.17 69.68 83.53 84.39 90.00 79.13 66.26 42.07 37.00 62.45
1956 40.39 34.93 55.13 70.93 77.81 79.00 91.87 88.52 82.17 64.90 46.60 42.16 64.53
1957 27.42 45.14 55.00 67.03 77.84 84.30 86.10 84.35 81.97 61.68 52.50 43.90 63.94
1958 46.26 54.36 56.06 63.30 82.55 85.67 93.48 92.94 78.27 69.13 51.50 42.42 67.99
1959 40.68 45.79 58.19 67.80 70.10 81.17 90.61 85.81 74.80 67.06 50.47 41.42 64.49
1960 31.55 48.83 56.32 65.83 71.29 83.27 94.74 84.84 80.60 68.97 54.17 35.58 64.67
1961 42.19 53.11 57.19 64.90 72.16 87.60 92.16 92.52 76.67 65.83 a 47.43 44.45 66.35
1962 41.77 48.07 53.42 69.83 67.94 81.23 88.29 84.10 81.10 65.32 53.13 43.58 64.82
1963 37.35 46.82 59.35 60.73 74.32 81.37 83.55 87.77 84.57 68.55 53.67 36.26 64.53
1964 47.00 53.31 55.87 64.17 71.81 78.87 87.94 82.55 77.53 67.55 46.33 36.45 64.11
1965 38.81 53.21 57.84 68.73 73.81 81.57 90.10 87.45 78.07 71.48 53.40 43.41 b 66.49
1966 42.19 50.96 58.39 68.93 77.16 78.50 85.16 88.77 81.87 67.35 54.70 46.37 a 66.70
1967 50.48 56.79 57.58 59.40 74.68 85.23 92.45 95.65 87.27 67.71 53.73 45.45 68.87
1968 46.06 54.31 62.00 64.33 74.90 82.37 91.29 81.90 79.17 62.77 50.37 40.10 65.80
1969 29.03 40.39 58.74 64.07 76.84 86.03 87.03 85.29 78.70 63.06 52.37 38.52 63.34
1970 36.68 51.21 57.58 61.40 74.58 86.07 90.65 89.29 73.90 65.26 50.10 39.74 64.70
1971 47.42 51.29 51.71 63.67 76.29 75.50 91.13 93.23 73.67 64.29 50.77 41.23 65.01
1972 40.16 43.69 58.84 62.53 75.74 82.13 87.65 90.39 74.73 67.32 49.47 36.90 64.13
1973 39.26 47.14 59.32 67.63 76.84 81.80 91.00 88.45 78.50 64.77 46.17 45.00 65.49
1974 38.06 51.71 57.35 64.27 70.42 86.20 86.90 89.68 83.73 68.84 51.73 45.16 66.17
1975 42.35 43.96 53.74 60.63 73.81 80.47 91.32 83.77 82.30 63.97 51.80 43.65 64.31
1976 44.42 48.93 55.74 62.77 75.10 78.10 86.55 82.71 82.17 67.97 53.93 39.39 64.81
1977 31.00 51.43 57.06 72.30 69.94 86.20 87.35 92.77 74.17 67.29 49.90 43.71 65.26
1978 38.65 47.61 60.74 64.43 71.84 83.83 88.58 86.29 75.53 69.55 43.97 41.10 64.34
1979 23.16 44.25 60.65 65.60 77.77 84.67 90.26 88.23 83.37 69.94 42.27 42.77 64.41
1980 31.84 39.69 57.19 69.30 73.55 77.07 89.19 85.48 79.60 67.77 50.83 43.16 63.72
1981 43.35 48.64 62.65 65.97 73.61 77.97 87.23 93.06 81.17 65.58 54.70 40.55 66.21
1982 36.52 49.57 58.39 62.77 73.94 85.37 87.68 88.16 77.33 64.55 47.17 39.94 64.28
1983 46.16 49.82 60.10 66.13 78.06 80.70 83.90 88.32 76.23 66.74 52.93 29.35 64.87
1984 40.03 47.34 60.13 63.03 70.29 78.70 91.42 89.90 76.23 64.29 47.97 35.94 63.77
1985 31.55 42.50 58.74 70.10 77.61 83.77 97.00 86.32 74.10 65.58 37.67 26.90 62.65
1986 40.84 49.64 62.39 66.67 75.68 88.67 85.03 93.42 72.47 68.71 49.27 35.03 65.65
1987 37.48 48.79 57.03 71.20 78.68 85.17 86.84 89.42 85.50 72.48 55.57 37.77 67.16
1988 39.10 54.72 59.77 68.93 75.16 80.90 91.23 91.39 81.27 75.84 55.20 39.13 67.72
1989 46.81 37.93 54.26 70.47 75.45 85.80 88.10 86.03 82.30 67.13 54.93 37.16 65.53
1990 48.00 50.07 61.77 72.13 72.94 81.43 93.32 88.71 86.77 64.77 56.87 34.77 67.63
1991 39.74 51.74 i ----- z ----- z 72.00 76.07 90.68 91.13 84.13 68.52 48.50 43.55 68.26
1992 43.94 50.97 64.55 69.00 81.39 88.57 88.19 90.16 77.00 68.55 47.83 38.29 67.37
1993 31.48 39.86 51.55 64.33 79.94 80.60 81.87 86.26 81.93 69.68 48.80 40.03 63.03
1994 45.97 43.39 62.03 70.33 76.97 81.87 94.35 89.68 84.67 67.48 48.97 43.35 67.42
1995 38.94 54.36 57.65 64.67 76.84 79.97 89.16 84.68 83.57 65.48 53.80 39.81 65.74
1996 39.52 43.62 57.71 66.63 70.74 82.13 93.29 89.68 77.70 65.42 48.13 ----- z 66.78
1997 ----- z ----- z 58.87 64.73 78.61 80.67 88.26 90.23 79.27 65.35 52.50 40.58 69.91
1998 42.03 51.07 59.61 66.50 73.71 82.80 95.26 91.55 85.73 67.23 ----- z ----- z 71.55
1999 ----- z ----- z ----- z ----- z ----- z 82.07 89.06 89.58 ----- z 67.57 a 58.86 a 47.74 72.48
2000 41.94 48.90 59.52 71.57 76.10 84.63 90.77 90.81 79.57 67.13 44.87 36.29 66.01
2001 40.39 48.43 61.06 65.70 79.00 80.70 90.65 91.87 84.43 67.23 53.43 43.74 67.22
2002 46.55 52.64 54.00 67.70 74.42 85.30 94.19 89.58 82.70 68.35 53.80 42.32 67.63
2003 45.94 51.96 61.84 66.07 74.97 87.50 95.58 91.39 85.17 73.71 ----- z 38.97 70.28
2004 34.71 47.69 65.52 70.33 75.45 84.37 92.65 90.58 79.97 69.68 54.20 44.87 67.50
2005 38.58 53.25 62.65 67.60 77.35 80.90 90.87 91.29 78.77 66.90 ----- z 34.03 67.47
2006 45.90 ----- z ----- z ----- z 75.97 82.57 95.35 ----- z ----- z 68.68 52.47 35.55 65.21
2007 38.00 46.96 59.90 66.33 78.00 83.10 94.42 89.23 81.93 65.48 52.23 41.68 66.44
2008 38.32 51.62 56.42 61.93 a 74.63 a 80.76 a 90.94 88.81 81.00 66.58 53.37 33.00 64.78
2009 38.10 43.54 52.81 64.83 75.26 85.43 ----- z 90.71 82.37 59.06 50.57 30.97 61.24
2010 40.45 49.07 57.90 62.00 66.48 76.23 86.71 84.55 74.33 63.32 45.20 38.32 62.05
2011 40.48 45.11 52.35 58.13 67.29 75.77 82.39 86.74 80.67 61.94 49.20 37.65 61.48
2012 41.00 47.14 54.81 64.33 70.52 75.20 88.10 87.94 79.50 63.00 48.30 41.71 63.46
2013 33.71 50.43 56.77 73.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.00 z 46.97
Period of Record Statistics
MEAN 38.90 47.25 58.08 66.93 75.05 82.15 89.98 88.58 79.54 66.88 50.45 40.03 65.32
S.D. 5.93 4.79 3.56 3.73 3.59 3.37 3.27 3.16 3.82 3.27 3.85 4.45 1.71
SKEW -0.47 -0.48 0.10 0.12 0.19 0.06 -0.35 -0.34 -0.20 -0.04 -0.60 -0.24 0.01
MAX 51.65 56.79 67.06 76.37 85.90 91.40 97.00 96.26 87.27 75.84 58.86 53.13 69.31
MIN 23.16 31.86 49.42 58.13 66.48 75.13 81.87 79.71 70.20 55.42 37.67 26.90 61.34
NO YRS 115 113 114 113 115 117 116 116 116 119 114 116 105