WAPATO, WASHINGTON

Monthly Average Temperature (Degrees Fahrenheit)

(458959)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 52.95 38.30 b 31.88 b 41.04
1916 19.97 34.18 a 45.73 52.02 55.48 63.62 67.03 70.84 62.72 51.81 b 34.92 26.98 48.77
1917 28.50 a 34.85 a 39.17 a 47.88 d 57.02 62.77 73.55 b 72.86 b 64.12 54.21 44.30 41.92 51.76
1918 ----- z 34.30 39.60 47.62 51.73 65.52 69.53 67.32 66.78 54.27 41.93 a 36.31 52.26
1919 32.63 36.55 46.26 52.80 57.52 62.77 72.71 71.23 60.75 49.31 39.62 21.15 a 50.27
1920 28.90 37.34 44.35 49.05 56.90 a 63.78 73.92 70.61 60.43 51.27 41.15 34.77 51.04
1921 33.19 37.86 46.19 49.77 60.23 65.60 70.61 70.94 57.25 53.60 39.52 31.00 51.31
1922 18.85 31.88 41.71 49.93 57.73 71.18 74.24 70.90 65.95 ----- z ----- z ----- z 53.60
1923 ----- z ----- z ----- z 55.33 57.82 c 64.90 71.87 a ----- z ----- z ----- z ----- z ----- z 62.48
1924 33.80 k 41.98 a 43.66 50.89 g 66.79 68.20 73.84 70.28 b 63.82 52.59 c 40.43 26.19 b 54.78
1925 36.40 43.38 47.98 a 56.18 64.03 69.27 79.05 72.71 64.37 52.90 38.65 37.92 55.24
1926 34.68 43.28 a 50.56 57.77 b 58.13 68.48 75.65 68.63 56.80 g 53.18 42.85 29.60 52.98
1927 28.52 38.39 44.27 50.60 56.82 68.52 75.23 72.15 60.68 52.30 a 43.92 28.73 51.68
1928 29.39 36.59 46.70 a 49.38 b ----- z 67.37 77.00 b 72.18 a 64.95 52.42 40.37 31.31 51.60
1929 18.18 i 23.52 46.00 49.62 61.13 66.05 73.21 74.63 61.43 a 54.63 36.75 35.02 52.91
1930 14.52 40.73 48.27 a 56.82 59.10 a 64.70 76.40 75.11 63.97 49.42 38.97 32.37 51.70
1931 34.80 a 38.62 45.56 53.90 64.98 66.29 a 75.82 74.72 a 63.38 a 52.98 a 37.08 26.60 b 52.90
1932 28.28 a 35.28 45.87 54.89 l 60.63 70.77 70.44 71.83 a 64.75 53.02 42.95 29.79 52.15
1933 33.69 30.73 43.63 52.60 56.61 68.42 75.35 73.82 a 60.00 57.10 42.20 41.16 52.94
1934 39.58 43.50 51.26 62.13 64.87 70.75 73.62 a 74.02 61.43 a 55.52 45.05 37.10 56.57
1935 33.69 38.12 42.85 50.60 61.90 66.72 73.98 70.95 67.35 50.65 35.23 31.15 a 51.93
1936 35.10 24.22 43.89 57.12 b 65.19 68.95 75.40 74.90 64.66 a 56.15 34.98 35.63 53.02
1937 15.66 30.07 46.68 50.92 61.08 67.68 76.63 68.76 66.22 57.06 44.20 35.81 51.73
1938 34.94 35.98 44.44 55.11 b 61.79 70.53 78.18 71.55 69.68 53.53 38.35 35.79 54.16
1939 35.02 35.24 a 47.15 55.70 62.67 b 64.57 74.50 73.68 64.68 53.29 40.62 n 35.30 p 56.65
1940 29.97 b 38.60 49.53 54.08 64.00 b 72.23 75.48 74.59 c 67.60 55.90 35.02 b 33.84 54.24
1941 33.13 39.84 49.92 56.70 60.98 67.55 80.26 73.50 60.95 52.08 42.90 36.34 54.51
1942 25.08 37.59 44.95 54.87 59.81 65.10 76.63 76.95 b 67.38 55.10 38.30 31.21 52.75
1943 23.74 37.94 b 42.73 56.15 58.97 65.87 75.84 71.19 68.70 54.02 40.35 33.56 52.42
1944 30.19 38.07 43.39 54.13 62.03 68.05 75.98 72.55 67.68 58.56 39.53 31.21 53.45
1945 36.00 40.73 44.08 51.25 62.95 67.82 75.54 c 76.42 f 62.33 c 55.13 a 39.12 31.81 51.52
1946 35.08 a 39.50 44.97 a 52.37 63.02 b 65.91 c 74.71 74.10 62.38 49.19 36.78 35.26 52.77
1947 29.15 40.75 49.65 56.65 67.08 e 66.98 c 73.43 a 71.21 65.40 53.10 41.69 a 35.37 a 54.20
1948 ----- z ----- z ----- z ----- z ----- z 72.97 a 71.35 a 69.22 a 62.10 a 50.10 f 40.20 29.00 57.47
1949 16.90 33.20 45.37 56.33 65.48 a 67.91 a 73.37 72.65 a 65.71 b 48.90 a 45.07 b 36.03 52.25
1950 15.68 32.32 42.85 k 50.13 g 59.42 67.40 74.77 74.88 a 66.80 50.71 41.40 37.65 52.10
1951 32.81 38.11 40.87 55.40 61.60 68.90 75.26 72.81 65.27 51.71 39.15 28.52 52.53
1952 25.05 37.60 43.46 e 56.68 b 62.55 66.80 74.98 a 72.19 b 66.67 57.66 34.38 34.89 52.74
1953 42.73 41.98 45.74 b 50.50 57.92 a 62.28 72.83 a 70.94 64.70 53.92 43.26 e 38.35 53.76
1954 31.23 37.45 42.24 50.77 61.63 62.91 b 70.79 67.85 61.53 48.37 45.00 34.86 i 52.71
1955 30.10 u 34.81 l 40.10 b 46.87 d 57.09 d 67.63 g 69.79 72.11 63.02 50.95 32.52 28.76 51.25
1956 30.63 a 26.28 44.13 56.43 64.92 64.05 75.81 72.68 a 64.33 51.47 36.43 34.37 51.79
1957 18.40 35.80 44.08 54.45 65.50 68.63 70.58 69.19 66.42 51.21 b 40.03 38.19 51.87
1958 37.47 45.73 44.00 51.43 68.27 72.58 78.40 76.37 62.60 53.26 41.12 35.42 55.55
1959 34.19 37.46 45.10 54.75 57.56 66.83 74.81 69.18 61.42 52.95 37.80 33.85 52.16
1960 24.13 38.52 45.02 52.82 57.94 69.12 79.48 c 69.26 64.40 54.22 a 41.63 29.50 52.17
1961 35.97 43.91 46.61 53.05 60.23 72.98 77.40 78.32 61.87 50.89 36.23 34.76 54.35
1962 32.94 38.55 42.63 56.22 57.48 67.35 73.48 68.90 65.33 50.95 43.28 37.31 52.87
1963 27.31 38.04 46.29 50.27 61.50 67.72 70.68 i 73.31 69.30 54.87 43.33 30.87 51.16
1964 36.84 39.45 42.76 50.37 58.87 66.35 72.40 68.42 61.82 52.52 39.12 28.45 51.45
1965 31.45 41.14 44.60 55.42 59.84 68.53 74.71 73.27 62.32 55.05 45.08 33.60 53.75
1966 32.85 39.52 45.60 54.82 63.42 65.38 71.79 73.55 66.97 52.85 43.55 37.44 53.98
1967 40.18 43.75 43.76 47.77 61.11 70.37 75.55 77.50 69.02 54.26 41.88 33.45 54.88
1968 35.39 42.43 47.11 50.82 60.50 68.42 76.44 69.35 65.00 49.81 41.83 31.35 53.20
1969 22.26 32.50 45.40 51.87 63.98 72.40 72.58 69.73 64.38 49.84 41.15 34.24 51.69
1970 30.73 41.45 45.13 48.57 60.58 72.35 75.68 73.97 59.65 50.40 40.33 31.60 52.54
1971 37.06 39.84 41.42 50.72 63.47 63.70 75.73 77.95 59.82 50.84 41.33 32.42 52.86
1972 30.97 35.36 47.82 49.22 65.18 69.50 74.87 75.65 60.17 52.15 41.48 28.56 52.58
1973 30.03 38.64 47.42 55.38 63.94 69.27 77.84 74.18 66.08 52.95 38.93 37.98 54.39
1974 29.40 40.89 45.44 52.72 58.21 72.22 72.81 75.35 66.50 53.06 43.58 37.24 53.95
1975 33.40 35.57 42.95 50.25 60.80 a 67.28 78.71 70.56 66.83 51.82 40.60 35.74 52.88
1976 35.47 37.95 42.61 51.17 61.55 64.77 73.63 70.71 68.37 52.82 41.30 32.00 52.69
1977 25.81 40.71 45.58 59.17 57.10 73.45 74.23 79.19 61.97 52.81 39.60 35.32 53.74
1978 33.19 39.54 49.16 52.55 58.85 70.82 75.63 71.76 62.45 52.74 34.12 29.85 52.56
1979 17.34 35.23 47.87 52.27 64.15 70.90 77.21 74.42 68.17 55.84 35.98 36.40 52.98
1980 23.48 33.74 b 44.31 g 56.38 61.65 64.62 d 74.66 69.58 64.83 53.03 41.64 b 31.84 l 54.36
1981 39.38 c 40.26 a 48.32 52.29 d 59.65 63.53 70.92 75.50 63.25 49.27 41.50 30.02 a 52.82
1982 26.48 37.55 43.68 47.15 58.92 69.73 71.95 71.66 61.77 48.37 35.02 29.77 50.17
1983 36.47 39.38 47.60 50.92 62.82 64.63 68.97 72.84 59.38 50.53 42.53 21.71 51.48
1984 31.03 36.62 46.55 48.62 55.10 63.93 73.52 70.89 61.42 48.68 38.91 a 23.19 49.87
1985 26.37 31.27 44.74 54.43 62.94 68.77 79.85 70.66 59.88 50.71 28.37 21.02 49.92
1986 32.00 38.96 49.06 50.52 60.69 71.93 69.19 76.08 59.93 53.47 41.27 30.32 52.79
1987 30.53 39.34 45.95 56.33 64.10 69.57 72.19 71.97 66.63 53.53 42.67 29.79 53.55
1988 29.50 39.33 45.35 53.92 58.76 66.37 73.69 71.76 63.03 58.32 42.98 29.68 52.72
1989 ----- z 26.54 41.84 55.17 60.26 69.52 72.45 70.53 64.55 51.47 43.98 31.24 53.41
1990 37.85 36.95 46.71 57.02 58.06 67.13 76.74 73.92 69.38 49.55 44.22 24.37 53.49
1991 28.47 42.52 42.39 52.63 58.27 63.25 74.05 75.03 66.53 52.06 39.80 34.42 52.45
1992 36.11 41.19 50.10 53.92 64.13 73.15 72.63 73.10 61.33 53.44 39.18 27.39 53.81
1993 23.42 30.84 40.76 50.47 64.13 65.57 66.60 70.03 63.98 53.97 33.48 33.15 49.70
1994 36.40 33.41 47.39 55.95 62.50 65.37 77.63 73.40 67.23 52.02 37.53 34.02 53.57
1995 30.98 41.68 44.42 50.43 61.61 65.58 73.10 67.76 66.57 50.74 42.23 32.08 52.27
1996 29.32 31.29 44.47 52.33 55.63 65.62 74.94 71.24 60.65 50.24 36.30 26.84 49.91
1997 29.32 37.88 45.13 50.15 62.16 65.00 71.73 74.32 64.35 50.55 41.32 31.37 51.94
1998 32.60 39.93 46.61 52.25 ----- z 68.07 78.79 74.52 68.82 50.69 43.33 31.76 53.40
1999 36.43 b 39.57 44.82 51.15 56.66 65.65 70.11 74.13 ----- z 50.56 45.32 37.19 51.96
2000 31.71 37.82 a 44.11 54.45 59.39 67.25 72.76 72.32 62.78 50.42 a 33.82 29.23 51.34
2001 33.05 36.11 46.18 50.62 61.42 64.72 74.11 74.52 66.77 51.60 41.53 34.58 52.93
2002 36.00 38.36 41.26 51.57 58.13 68.82 76.08 71.32 63.75 50.79 39.37 34.85 52.52
2003 37.63 39.25 48.13 51.53 59.29 70.52 77.16 73.37 66.83 56.11 36.50 32.61 54.08
2004 28.35 36.98 49.27 54.17 59.81 68.58 76.00 74.65 63.63 53.10 39.37 33.97 53.16
2005 31.40 38.18 49.23 52.50 62.87 65.37 75.08 ----- z 63.22 52.71 37.83 25.90 50.39
2006 36.87 35.84 ----- z 51.97 60.45 68.02 77.32 72.11 63.95 51.92 39.13 27.21 53.16
2007 28.60 36.46 46.20 a 51.35 61.16 66.95 77.35 71.26 63.18 49.42 38.37 32.00 51.86
2008 28.11 40.48 ----- z 47.13 61.97 65.38 74.26 ----- z ----- z ----- z ----- z 24.76 48.87
2009 30.87 ----- z ----- z ----- z 59.98 ----- z ----- z ----- z 65.87 48.24 39.95 24.02 44.82
2010 35.74 41.14 45.95 50.95 56.26 64.85 74.03 71.66 63.78 52.94 36.92 33.00 52.27
2011 33.48 34.43 42.95 46.75 56.05 64.47 70.53 74.68 67.23 51.79 37.47 28.82 50.72
2012 31.83 z 37.33 43.29 52.75 58.76 63.52 75.13 74.37 66.50 z 51.05 ----- z 34.29 54.50
2013 28.68 38.75 45.26 59.25 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 37.56
Period of Record Statistics
MEAN 30.70 37.42 45.26 52.67 60.67 67.44 74.34 72.54 64.21 52.45 39.87 32.09 52.61
S.D. 5.92 4.14 2.54 3.03 3.05 2.80 2.73 2.47 2.74 2.26 3.29 4.29 1.42
SKEW -0.85 -1.07 0.02 0.25 -0.01 0.31 -0.34 0.20 -0.05 0.43 -0.65 -0.43 -0.18
MAX 42.73 45.73 51.26 62.13 68.27 73.45 80.26 79.19 69.68 58.56 45.32 41.92 56.57
MIN 14.52 23.52 39.17 46.75 51.73 62.28 66.60 67.32 57.25 48.24 28.37 21.02 48.77
NO YRS 90 94 91 92 94 95 95 92 92 94 93 93 73