SUNNYSIDE, WASHINGTON

Monthly Average 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 57.92 q 49.00 ----- z 29.94 39.47
1895 27.39 37.14 43.06 52.68 58.89 68.43 72.48 70.81 57.77 51.90 38.55 34.02 51.09
1896 32.50 41.50 41.90 49.05 56.11 66.40 77.37 72.21 61.28 51.11 30.52 36.10 51.34
1897 30.71 35.91 39.29 55.48 64.29 67.80 69.29 74.45 59.87 49.44 39.30 32.23 51.50
1898 27.97 41.52 42.11 52.13 59.23 66.57 72.48 74.94 62.63 49.56 38.18 27.26 51.22
1899 28.45 29.98 42.73 50.77 55.56 64.22 74.05 65.21 64.62 49.50 46.67 34.85 50.55
1900 35.65 34.66 48.39 52.67 60.18 68.58 72.16 66.29 60.18 49.81 37.20 39.50 52.11
1901 30.71 33.55 43.00 48.02 59.16 61.00 68.79 73.58 a 57.67 55.97 41.62 33.76 50.57
1902 29.26 35.89 43.47 48.95 58.40 63.45 67.69 68.56 60.27 52.34 40.05 30.92 49.94
1903 34.32 31.05 42.34 48.52 57.71 68.92 67.39 67.87 58.80 51.21 39.05 30.74 49.83
1904 34.18 33.97 41.15 53.47 56.97 64.19 a 70.02 69.92 62.15 51.66 44.57 33.85 51.34
1905 31.97 33.32 47.79 51.82 57.74 64.37 72.50 68.05 62.00 44.85 ----- z 31.47 51.44
1906 42.36 t 38.18 40.58 54.65 58.26 61.32 77.03 69.85 60.78 53.05 40.02 33.53 53.39
1907 21.44 ----- z ----- z 48.56 v ----- z ----- z ----- z ----- z 59.07 53.97 42.58 ----- z 44.26
1908 ----- z ----- z ----- z ----- z 56.44 o 63.02 71.89 68.85 a 61.64 a 51.18 42.97 31.92 55.92
1909 22.13 39.18 44.50 48.92 56.03 66.23 68.37 66.27 63.17 51.48 43.22 26.92 49.70
1910 29.87 32.25 49.89 55.53 63.15 64.18 71.05 65.08 60.50 53.40 39.88 35.50 51.69
1911 31.89 34.23 45.84 49.98 55.81 65.48 72.24 68.13 58.32 49.85 39.40 32.16 50.28
1912 26.47 39.67 41.61 51.60 59.71 67.92 69.71 66.90 58.35 47.08 41.78 34.53 50.44
1913 27.32 29.39 41.18 52.27 58.11 66.43 70.23 70.05 59.85 48.94 42.12 31.55 49.79
1914 37.45 35.96 47.03 52.85 61.37 63.28 72.77 70.10 57.37 52.44 41.75 23.81 51.35
1915 26.05 38.96 a 48.68 55.97 59.39 66.82 71.52 74.97 61.08 54.15 39.70 34.34 52.63
1916 20.06 36.00 47.44 53.87 57.71 65.20 68.11 70.24 61.90 51.13 35.08 26.82 49.46
1917 29.24 36.25 39.68 49.38 57.97 64.15 72.56 72.35 63.67 53.79 43.13 43.00 52.10
1918 38.08 36.07 45.69 52.52 57.94 71.00 72.65 68.42 67.23 54.94 41.35 37.02 53.57
1919 33.10 38.04 45.81 53.30 59.19 63.55 71.65 70.77 61.02 49.60 39.88 20.71 50.55
1920 29.08 37.29 44.69 48.52 55.89 63.57 73.81 71.00 62.18 52.48 40.52 35.40 51.20
1921 34.82 39.00 46.45 50.85 60.26 67.72 69.61 70.68 58.00 53.47 39.40 30.87 51.76
1922 19.37 32.73 41.94 48.73 58.37 70.77 73.65 71.66 63.80 53.65 38.17 26.42 49.94
1923 37.77 30.80 44.19 53.48 60.18 66.28 73.26 72.42 a 64.80 52.39 42.87 34.29 52.73
1924 27.40 43.67 44.81 52.43 64.95 67.40 a 71.69 69.45 62.75 52.42 38.80 25.67 a 51.79
1925 36.02 43.59 47.05 56.35 62.55 66.10 73.66 69.32 63.02 51.65 a 38.33 37.31 53.75
1926 33.84 42.89 a 49.40 57.62 58.76 69.15 73.21 68.77 a 57.65 52.85 41.43 29.52 52.92
1927 28.42 39.79 44.24 50.26 a 56.65 67.57 71.50 70.80 a 60.57 52.11 44.12 28.90 51.24
1928 29.24 37.28 47.23 49.43 b 63.52 b 65.87 73.65 a 69.08 61.91 a 52.52 40.22 31.13 51.76
1929 20.06 23.23 45.37 a 49.33 59.55 b 65.52 a 70.37 71.05 59.74 a 53.45 35.85 35.06 49.05
1930 14.13 41.11 a 47.84 55.78 c 58.83 a 63.93 a 72.47 71.43 a 62.55 a 49.23 c 38.98 a 32.65 50.74
1931 34.82 a 38.89 a 45.87 53.10 64.19 65.98 73.84 70.69 62.98 51.98 37.05 25.61 52.08
1932 28.31 34.90 45.27 53.75 59.29 69.15 68.58 69.48 62.02 51.77 42.12 28.81 51.12
1933 32.87 28.48 43.06 51.73 56.27 66.48 72.42 71.23 58.40 54.85 41.02 40.66 51.46
1934 38.40 41.05 50.11 59.35 62.73 67.80 71.08 71.87 60.78 54.79 44.68 36.87 54.96
1935 33.85 37.73 43.02 49.90 59.89 65.92 71.79 68.24 65.28 49.56 34.35 30.74 50.86
1936 34.79 22.31 42.77 55.78 63.76 67.63 71.55 70.05 61.82 54.58 33.85 34.60 51.12
1937 15.02 29.52 45.18 49.97 59.77 66.57 73.81 66.61 63.23 54.68 43.17 35.32 50.24
1938 34.26 35.64 43.39 52.97 59.56 68.52 75.08 68.40 67.52 52.98 37.20 34.79 52.53
1939 35.63 35.05 46.21 54.17 61.31 63.87 72.02 71.45 63.67 52.32 40.12 38.26 52.84
1940 29.58 37.64 48.21 53.30 61.56 68.75 71.50 70.26 65.23 54.45 34.75 33.16 52.37
1941 32.50 38.59 48.56 54.38 58.66 64.85 75.26 68.98 58.60 a 50.18 42.08 35.71 52.36
1942 24.53 37.02 43.08 52.70 58.31 63.02 73.02 72.95 63.67 53.56 38.02 32.13 51.00
1943 22.61 36.50 41.63 52.25 56.21 63.08 71.68 67.76 65.18 51.63 39.47 32.35 50.03
1944 29.97 36.47 41.27 51.68 59.73 66.18 72.35 68.82 64.87 55.85 38.20 30.29 51.31
1945 35.10 39.62 42.50 50.09 a 60.94 64.60 71.97 71.06 60.43 53.45 39.52 31.95 51.77
1946 35.10 39.18 44.47 52.38 62.10 63.92 70.92 70.39 60.72 48.24 36.92 36.02 51.69
1947 29.16 39.43 47.98 55.02 65.18 64.88 71.19 68.19 63.98 53.02 41.40 34.77 52.85
1948 32.77 33.45 41.31 48.70 57.69 70.05 68.45 68.68 a 61.28 50.52 39.75 28.74 50.12
1949 17.42 32.41 44.16 54.58 63.76 65.65 69.79 69.71 65.47 49.23 45.83 36.34 51.20
1950 16.27 31.82 43.05 49.27 58.00 66.27 72.85 72.37 65.27 51.98 a 42.12 38.19 50.62
1951 34.39 37.79 40.71 54.13 61.44 67.48 72.87 70.34 65.08 51.69 39.92 30.45 52.19
1952 27.03 38.72 44.71 55.13 d 61.42 66.20 74.68 69.85 66.32 57.53 35.23 34.76 52.63
1953 43.52 42.59 46.08 50.50 57.84 61.95 71.97 70.76 65.12 54.76 44.33 39.21 54.05
1954 31.85 38.68 42.31 50.95 60.90 63.03 69.42 66.87 61.45 48.63 45.17 a 33.77 51.09
1955 31.66 37.25 39.97 46.73 56.45 67.67 68.42 68.31 60.38 52.63 33.62 30.21 49.44
1956 32.52 26.34 43.90 54.43 63.53 64.17 73.98 70.94 64.10 51.81 37.98 34.03 51.48
1957 18.61 34.62 43.94 53.02 64.11 68.20 69.29 67.50 65.00 50.56 40.47 36.69 51.00
1958 37.29 44.62 43.76 50.63 67.03 71.25 76.39 73.76 62.70 52.63 40.87 35.94 54.74
1959 32.76 36.86 44.92 52.73 56.13 66.23 72.63 67.95 61.32 52.58 37.83 33.31 51.27
1960 23.61 37.74 43.84 52.50 57.45 66.90 75.39 68.24 63.00 54.11 42.27 29.26 51.19
1961 34.76 43.43 45.95 51.90 58.87 70.90 74.42 74.97 60.37 50.40 a 35.95 b 35.47 53.11
1962 32.05 38.27 41.21 55.07 55.77 64.97 70.53 68.26 63.60 51.92 43.28 37.18 51.84
1963 27.35 37.82 46.00 49.38 59.21 66.32 67.68 70.45 67.43 54.08 43.98 31.23 51.74
1964 37.44 39.41 42.68 49.46 b 57.24 65.12 71.10 66.79 60.60 51.45 38.92 28.39 50.72
1965 31.55 41.59 43.50 54.42 58.74 66.80 72.63 71.42 61.10 54.77 44.80 33.81 b 52.93
1966 34.65 39.05 45.03 53.72 61.29 64.95 69.87 71.37 65.67 52.53 44.05 38.65 a 53.40
1967 40.47 42.71 44.92 47.43 60.21 70.05 74.10 75.52 68.95 53.31 42.13 35.39 54.60
1968 35.65 42.62 48.53 50.30 60.37 68.02 74.13 67.97 63.67 49.00 41.73 31.31 52.77
1969 22.13 32.14 45.34 51.30 62.29 71.87 70.23 67.65 63.50 48.79 41.12 33.85 50.85
1970 30.02 41.20 44.74 48.33 59.02 70.38 73.73 70.76 58.28 49.68 39.98 31.65 51.48
1971 37.53 39.46 40.60 50.12 61.34 62.43 73.24 75.02 58.57 49.90 40.42 33.26 51.82
1972 31.19 35.07 46.15 49.02 61.76 67.87 71.68 72.95 59.03 51.26 40.98 28.31 51.27
1973 30.58 38.46 45.77 52.75 60.79 66.50 72.94 69.58 62.88 51.47 39.28 37.55 52.38
1974 28.73 40.91 45.02 51.87 56.69 69.23 70.24 71.65 64.57 51.87 42.40 37.00 52.51
1975 34.35 35.27 42.55 47.60 58.82 65.47 75.23 68.37 63.40 51.48 40.68 36.16 51.62
1976 35.87 38.40 43.53 50.67 59.85 62.85 70.53 68.21 65.65 51.66 42.02 30.76 51.67
1977 25.81 40.64 45.05 56.35 56.21 70.18 70.77 75.53 60.45 51.53 39.02 36.10 52.30
1978 33.11 39.89 48.52 52.18 57.69 68.20 72.58 70.63 61.65 51.81 34.70 31.10 51.84
1979 15.89 34.98 46.79 52.18 62.05 68.02 73.10 71.82 65.88 55.71 35.28 35.73 51.45
1980 24.21 33.97 44.97 55.30 60.03 64.08 72.18 68.47 63.93 52.26 42.07 36.89 51.53
1981 38.08 38.88 49.26 52.58 59.39 63.83 70.10 74.34 64.02 50.76 42.93 32.42 a 53.05
1982 28.52 39.07 45.39 48.60 58.84 69.97 71.35 71.24 62.77 50.69 37.47 31.94 51.32
1983 37.94 41.34 49.26 51.98 62.77 65.47 69.23 72.39 60.40 51.31 44.83 23.44 52.53
1984 32.58 38.95 48.32 50.28 56.77 64.93 73.56 72.26 60.95 49.47 40.02 27.05 51.26
1985 27.73 31.77 45.03 54.97 62.50 68.17 77.94 69.26 59.85 51.42 28.85 22.47 49.99
1986 33.94 40.32 49.71 51.78 61.56 72.75 68.94 74.76 58.87 52.52 40.75 30.57 a 53.04
1987 30.79 38.61 45.76 56.30 62.94 68.57 71.39 71.81 66.82 54.48 44.07 31.53 53.59
1988 32.16 41.69 46.76 55.45 60.84 66.92 73.82 73.32 63.92 60.06 45.62 32.73 54.44
1989 38.13 28.61 44.31 56.68 60.90 70.77 71.45 70.73 64.72 52.74 44.72 32.50 53.02
1990 39.76 38.46 47.79 57.38 59.40 67.82 76.63 73.16 68.92 50.42 45.03 26.06 54.24
1991 29.47 42.39 i ----- z ----- z 58.84 63.45 74.32 74.90 66.18 52.95 41.10 36.26 55.28
1992 37.31 42.69 50.73 55.53 64.85 72.67 73.19 72.95 61.48 54.06 40.03 30.03 54.63
1993 25.06 31.68 41.45 51.58 65.32 66.45 67.65 69.92 63.92 54.32 35.97 34.73 50.67
1994 37.92 35.16 48.19 56.68 63.21 66.92 76.48 72.53 67.27 52.73 38.65 35.56 54.28
1995 32.37 42.98 44.97 51.63 62.48 66.72 73.52 68.39 66.97 51.27 43.48 33.81 53.22
1996 31.37 33.22 45.63 53.22 56.42 65.90 75.40 71.26 60.63 51.11 38.27 ----- z 52.95
1997 ----- z ----- z 47.58 51.43 64.02 66.25 72.37 74.48 64.92 52.31 43.02 33.40 56.98
1998 34.56 41.89 47.79 52.92 61.02 68.57 79.00 74.06 68.78 52.00 ----- z ----- z 58.06
1999 ----- z ----- z ----- z ----- z ----- z 67.27 72.60 72.56 ----- z 52.00 a 48.62 a 38.68 58.62
2000 34.31 39.07 46.71 56.55 61.98 69.15 74.10 72.69 64.17 53.05 36.18 32.05 53.33
2001 34.76 38.11 47.63 52.00 63.06 66.87 74.52 75.13 67.37 53.19 43.77 36.82 54.44
2002 38.37 40.38 42.82 53.47 60.40 69.90 76.89 72.03 65.37 51.53 41.20 36.65 54.08
2003 39.27 40.34 49.92 53.50 60.81 70.60 76.44 73.82 67.33 58.37 ----- z 33.34 56.70
2004 29.15 37.93 50.81 54.42 61.50 68.52 75.98 74.76 64.17 54.61 41.15 36.10 54.09
2005 31.61 38.43 48.76 53.58 63.76 65.52 73.69 72.97 62.30 53.34 ----- z 26.73 53.70
2006 37.76 ----- z ----- z ----- z 60.94 68.18 77.82 ----- z ----- z 52.71 41.62 29.47 52.64
2007 29.76 38.14 47.11 51.98 61.79 67.47 77.08 71.23 64.20 51.05 40.22 33.65 52.81
2008 29.66 40.55 43.44 47.10 a 61.23 a 64.84 a 73.63 71.50 63.12 51.00 42.82 25.34 51.19
2009 31.47 34.73 41.16 50.45 60.21 70.17 ----- z 73.82 64.87 46.56 39.47 23.15 48.73
2010 34.63 40.18 43.60 49.03 53.40 62.85 69.58 67.71 61.00 50.48 36.50 33.08 50.17
2011 33.24 34.23 41.89 45.13 53.39 61.37 66.00 68.69 63.08 50.37 37.02 29.15 48.63
2012 30.90 36.28 42.52 50.23 55.52 61.23 71.15 69.40 61.17 49.55 41.05 34.74 50.31
2013 28.19 37.34 43.15 53.75 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.00 z 36.23
Period of Record Statistics
MEAN 30.93 37.09 44.96 52.20 59.93 66.55 72.34 70.66 62.69 52.03 40.30 32.67 51.81
S.D. 5.82 4.19 2.71 2.69 2.71 2.58 2.54 2.46 2.75 2.23 3.30 4.06 1.39
SKEW -0.81 -0.95 0.14 0.00 0.08 0.11 0.10 0.11 0.12 0.23 -0.54 -0.50 0.24
MAX 43.52 44.62 50.81 59.35 67.03 72.75 79.00 75.53 68.95 60.06 48.62 43.00 54.96
MIN 14.13 22.31 39.29 45.13 53.39 61.00 66.00 65.08 57.37 44.85 28.85 20.71 48.63
NO YRS 115 113 114 113 115 117 116 116 116 119 114 116 105