WAPATO, WASHINGTON

Monthly Average Maximum 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 67.13 46.60 39.19 50.97
1916 28.39 41.38 56.35 65.07 67.90 76.10 79.77 85.77 77.47 67.13 44.73 34.74 60.40
1917 39.10 43.07 50.17 a 59.10 a 69.13 76.23 88.97 88.97 77.93 70.23 54.97 51.19 64.09
1918 ----- z 42.71 47.10 57.40 60.55 75.27 80.68 80.87 82.03 67.10 53.47 44.23 62.85
1919 42.65 45.68 59.32 65.97 70.55 76.50 86.87 86.35 74.47 62.71 49.10 30.55 62.56
1920 35.42 48.00 56.71 61.23 70.16 76.57 87.13 84.42 73.40 62.77 51.70 42.06 62.46
1921 41.42 45.86 57.77 62.43 73.48 78.03 83.87 84.61 70.73 67.55 50.90 38.23 62.91
1922 28.74 41.57 53.16 62.37 70.84 85.47 87.42 83.77 79.97 ----- z ----- z ----- z 65.92
1923 ----- z ----- z ----- z 71.00 71.90 a 76.70 86.48 ----- z ----- z ----- z ----- z ----- z 76.52
1924 43.45 k 54.55 59.03 68.13 g 82.94 83.83 90.03 86.00 a 79.30 67.19 47.60 34.23 68.47
1925 46.10 53.89 62.13 a 70.27 77.48 83.10 93.35 88.26 77.87 67.03 49.17 44.23 67.74
1926 39.77 54.86 65.71 74.03 74.13 87.07 92.58 86.32 74.07 68.19 54.17 38.29 67.43
1927 36.81 48.32 56.48 64.47 69.74 81.83 89.39 86.90 73.73 65.77 a 54.20 39.26 63.91
1928 35.16 47.31 59.83 a 62.79 b 79.97 a 80.60 91.97 87.84 80.77 66.94 50.63 39.29 65.26
1929 25.67 g 36.21 58.77 63.67 75.35 79.37 88.26 90.81 76.87 70.87 51.13 43.94 66.84
1930 25.13 51.07 62.13 71.17 72.03 79.07 91.13 90.35 78.60 64.26 48.77 37.29 64.25
1931 41.45 49.39 57.97 67.70 79.39 79.63 91.26 90.43 a 78.14 a 66.55 48.00 33.87 a 65.31
1932 37.61 44.83 56.42 68.19 c 73.23 85.23 84.71 86.13 81.47 65.94 54.20 40.32 64.86
1933 43.26 41.86 54.84 66.93 68.35 81.47 90.26 89.39 73.30 72.71 52.50 49.10 65.33
1934 48.32 55.50 66.16 76.00 77.94 84.17 87.06 87.90 75.43 66.68 53.97 43.87 68.58
1935 41.52 48.61 54.61 64.10 75.16 79.97 88.26 86.45 83.70 64.03 44.50 35.20 a 63.84
1936 41.06 32.55 55.84 70.14 b 78.23 80.60 89.65 89.55 80.14 a 72.87 47.23 44.61 65.21
1937 24.45 40.71 57.32 62.50 75.26 79.27 90.45 83.45 80.50 71.23 52.67 41.45 63.27
1938 41.29 42.64 55.74 68.39 b 75.61 84.00 92.77 86.74 85.57 66.68 49.80 45.45 66.22
1939 43.06 45.11 58.68 70.43 75.77 76.60 89.90 89.29 79.70 67.00 53.44 n 42.00 p 69.56
1940 35.74 47.41 62.58 66.80 78.40 a 86.93 89.61 90.20 a 81.60 68.42 44.13 41.77 66.13
1941 38.71 50.64 64.48 70.40 74.32 81.50 94.71 87.26 74.47 64.26 53.37 43.42 66.46
1942 30.48 46.71 59.16 69.23 72.00 78.37 91.52 92.28 b 83.93 70.45 44.90 37.52 64.71
1943 32.35 47.11 55.74 68.90 72.03 78.80 91.32 86.19 86.00 67.26 48.03 40.97 64.56
1944 39.45 48.07 57.19 67.73 75.65 81.90 90.71 88.16 83.40 74.26 47.80 36.94 65.94
1945 42.55 50.86 54.97 64.57 76.16 81.97 91.32 c 91.44 f 78.04 b 69.87 48.60 37.39 63.30
1946 44.48 49.93 58.19 67.57 78.74 77.67 88.94 89.45 76.30 61.74 48.23 44.16 65.45
1947 40.16 52.82 63.55 71.40 82.29 78.33 86.65 85.97 80.53 63.29 50.90 a 43.30 a 66.60
1948 ----- z ----- z ----- z ----- z ----- z 86.07 84.55 82.97 76.43 64.45 50.27 37.00 68.82
1949 27.39 43.29 55.71 71.27 78.87 82.60 87.23 86.42 80.13 63.42 55.03 45.16 64.71
1950 24.39 41.25 54.46 g 62.52 a 73.58 79.33 89.19 89.39 82.03 60.29 48.93 42.84 63.07
1951 39.71 47.32 51.84 71.53 75.68 82.73 90.52 87.19 80.43 63.26 48.37 35.19 64.48
1952 32.71 46.76 55.81 e 71.57 b 76.23 79.33 90.37 a 87.45 84.33 74.23 43.70 39.74 65.19
1953 50.35 53.54 58.43 a 62.63 71.00 75.63 88.58 85.71 80.83 68.58 52.61 b 46.81 66.23
1954 39.55 44.39 54.00 64.03 75.13 76.38 a 85.84 81.97 77.30 63.58 55.30 44.50 i 65.22
1955 35.30 u 47.15 h 51.83 b 58.70 c 69.96 d 81.88 f 83.74 88.23 78.73 64.90 40.77 35.94 63.64
1956 38.00 a 34.86 54.87 70.33 78.06 77.03 90.13 86.53 a 79.93 63.35 43.77 41.58 63.21
1957 26.65 45.75 53.84 67.17 78.03 82.13 85.68 83.81 82.03 60.86 b 51.37 46.94 63.69
1958 45.52 54.61 55.71 63.80 82.68 85.60 93.55 92.10 77.43 68.48 50.77 41.10 67.61
1959 41.84 45.79 57.42 68.23 71.23 80.47 90.29 83.94 73.80 66.16 49.20 41.29 64.14
1960 32.61 48.72 57.45 65.47 71.10 83.30 94.93 b 84.52 79.43 67.37 a 52.23 34.77 64.33
1961 43.19 52.68 56.81 65.10 73.10 88.27 92.26 93.29 76.00 63.87 46.87 42.48 66.16
1962 42.26 47.39 54.55 70.00 69.45 82.00 88.84 83.77 81.77 64.23 53.03 44.10 65.12
1963 36.55 47.18 58.58 61.77 74.87 81.03 83.45 87.84 83.50 67.55 52.43 35.84 64.22
1964 45.52 52.69 55.74 64.37 72.39 78.87 87.06 82.45 75.97 66.84 46.23 36.19 63.69
1965 38.81 51.79 58.55 68.20 73.74 82.50 89.77 86.81 76.53 69.81 53.43 42.35 66.02
1966 39.71 49.96 57.61 68.53 78.45 78.33 85.39 87.81 81.57 66.84 52.73 45.10 66.00
1967 49.00 56.82 55.68 60.53 75.19 85.43 90.68 93.68 85.93 67.26 53.00 42.32 67.96
1968 45.74 53.28 59.16 64.83 74.77 81.93 90.65 82.32 79.47 62.42 50.73 39.16 65.37
1969 29.48 40.57 57.84 64.43 78.26 86.67 87.71 86.16 78.50 63.16 52.27 38.58 63.64
1970 37.26 51.11 58.32 61.47 76.68 87.50 90.81 90.19 74.83 65.42 50.23 39.00 65.23
1971 46.61 50.75 52.81 63.70 77.68 76.90 91.03 92.84 74.90 63.71 51.70 40.19 65.24
1972 39.97 45.28 60.68 62.67 78.84 84.20 90.13 91.32 75.50 68.48 49.33 37.48 65.32
1973 38.16 47.68 60.16 69.77 79.13 84.00 93.26 89.65 81.07 65.61 46.60 45.03 66.68
1974 38.61 51.86 57.13 65.23 71.84 87.80 88.65 91.77 85.03 70.10 52.60 44.94 67.13
1975 40.90 44.43 54.55 63.47 76.33 a 83.13 94.26 85.32 84.67 63.68 51.63 42.77 65.43
1976 44.00 48.55 55.16 64.30 77.16 80.20 89.13 85.74 84.90 68.61 53.17 41.65 66.05
1977 31.52 51.93 58.26 74.60 71.03 88.63 90.68 94.26 75.13 66.94 49.17 42.84 66.25
1978 39.29 47.21 61.74 64.87 73.39 86.67 91.10 87.35 76.10 69.39 44.13 40.19 65.12
1979 25.52 45.04 61.03 65.97 78.87 87.07 92.94 89.23 84.13 69.81 42.70 44.10 65.53
1980 31.48 40.11 b 56.46 e 70.60 75.65 77.78 c 91.52 86.06 81.03 68.06 50.21 b 38.26 l 66.27
1981 44.66 b 48.59 a 61.06 65.11 b 72.87 76.80 86.48 92.58 80.10 63.68 53.57 39.17 a 65.39
1982 35.81 48.71 56.68 60.70 73.03 84.30 87.42 88.16 77.13 63.68 46.00 39.00 63.39
1983 45.29 47.96 58.45 65.20 78.52 80.30 83.74 88.97 76.53 66.77 51.60 29.42 64.40
1984 40.42 45.45 59.45 62.43 69.71 78.97 91.77 90.10 77.47 63.65 47.34 a 33.71 63.37
1985 30.26 43.18 58.58 69.60 78.68 84.40 97.19 87.45 74.90 65.16 38.20 26.90 62.88
1986 40.00 48.54 61.48 64.40 73.58 86.80 83.90 92.65 73.80 69.29 50.77 34.61 64.98
1987 37.16 49.75 56.77 69.77 78.58 84.50 86.10 88.13 84.43 71.77 54.20 36.58 66.48
1988 36.65 51.86 58.29 66.70 72.77 79.13 88.84 88.19 79.33 74.06 52.63 37.35 65.49
1989 ----- z 36.29 52.29 68.10 73.61 83.83 87.35 85.42 81.13 65.65 53.77 36.32 65.80
1990 46.32 48.11 60.45 70.97 72.00 79.77 91.74 88.00 86.20 63.65 56.30 33.58 66.42
1991 39.03 54.61 54.23 65.63 70.90 75.43 89.03 89.84 83.30 67.61 47.40 42.23 64.94
1992 42.90 50.66 63.16 66.93 79.42 87.37 86.87 89.06 76.30 67.74 46.77 36.55 66.14
1993 30.16 38.71 50.61 62.60 78.71 79.07 80.19 85.19 80.97 69.45 46.57 38.87 61.76
1994 44.45 41.57 60.90 69.03 76.03 79.00 93.19 89.13 83.37 66.65 47.43 42.03 66.07
1995 37.35 53.04 56.16 62.57 75.39 78.93 87.90 82.71 81.77 64.74 52.50 37.42 64.21
1996 37.52 41.66 55.90 64.80 68.52 80.10 90.81 87.58 76.40 63.39 46.40 34.71 62.31
1997 37.19 47.11 56.13 62.77 75.97 78.37 86.29 89.06 77.90 63.45 50.27 38.74 63.60
1998 41.00 48.82 58.10 65.37 ----- z 81.77 93.84 90.39 85.47 66.39 52.77 41.26 65.92
1999 46.35 48.79 56.23 65.33 70.61 79.73 85.45 88.42 ----- z 65.42 55.10 45.55 64.27
2000 38.45 46.41 56.03 67.83 72.26 81.57 87.81 88.65 77.80 64.26 42.77 34.03 63.16
2001 38.68 45.89 59.61 63.17 76.61 78.03 88.19 90.03 83.30 65.61 51.33 41.00 65.12
2002 44.42 50.68 52.94 65.13 71.52 83.00 92.16 87.84 80.27 67.32 51.37 39.52 65.51
2003 43.55 50.93 59.81 63.27 72.55 85.47 93.58 89.68 83.43 70.84 48.03 38.65 66.65
2004 34.00 46.38 62.74 68.60 73.13 82.63 91.68 89.00 78.27 67.23 51.60 42.00 65.60
2005 38.32 52.96 63.39 65.27 75.42 79.60 90.77 ----- z 79.00 66.06 46.33 32.39 62.68
2006 43.87 47.64 ----- z 64.00 75.10 81.70 93.26 89.19 81.13 67.90 49.07 33.94 66.07
2007 37.45 44.96 59.33 a 65.10 76.10 81.10 92.19 87.06 79.87 62.94 49.30 38.81 64.52
2008 36.94 51.21 ----- z 60.83 74.81 79.87 89.68 ----- z ----- z ----- z ----- z 33.97 61.04
2009 37.61 ----- z ----- z ----- z 74.42 ----- z ----- z ----- z 82.20 60.84 51.47 32.39 56.49
2010 41.74 50.36 58.81 62.80 68.32 78.03 89.39 87.74 77.43 65.77 46.37 38.81 63.80
2011 41.74 46.25 53.35 59.60 69.45 78.00 84.23 90.23 83.57 64.48 50.20 37.74 63.24
2012 40.33 z 48.24 54.61 65.47 72.81 77.03 90.23 90.52 83.67 z 64.68 ----- z 40.68 67.14
2013 34.52 51.64 58.00 76.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 48.05
Period of Record Statistics
MEAN 38.56 47.43 57.49 65.99 74.47 81.22 89.19 87.82 79.48 66.52 49.76 39.53 64.97
S.D. 5.85 4.75 3.40 3.69 3.72 3.48 3.29 2.81 3.56 3.01 3.56 4.37 1.50
SKEW -0.59 -0.64 0.00 0.26 -0.35 0.31 -0.52 -0.12 -0.05 0.48 -0.64 -0.15 -0.21
MAX 50.35 56.82 66.16 76.00 82.94 88.63 97.19 94.26 86.20 74.26 56.30 51.19 68.58
MIN 24.39 32.55 47.10 57.40 60.55 75.27 79.77 80.87 70.73 60.29 38.20 26.90 60.40
NO YRS 90 94 92 94 95 95 96 92 93 95 93 93 77