WALLA WALLA 13 ESE, OREGON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(358985)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199011
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
1948 ----- z 38.00 z ----- z ----- z ----- z ----- z ----- z 80.16 71.93 57.73 a 39.64 b 31.73 a 56.24
1949 23.39 37.68 47.71 64.55 a 71.42 75.97 83.58 83.03 a 73.93 a 55.32 47.93 a 37.53 a 58.50
1950 22.84 37.57 44.81 ----- z 63.52 71.97 85.23 84.58 74.97 58.37 a 43.93 42.83 a 57.33
1951 34.35 42.07 48.71 64.90 68.39 71.63 83.42 82.32 75.13 54.65 42.63 33.29 58.46
1952 31.61 40.14 45.97 65.38 a 68.06 71.96 e 85.25 c 83.00 76.60 67.61 38.17 35.94 59.14
1953 43.42 42.50 48.35 55.70 63.23 65.97 a 84.90 80.55 78.00 62.71 49.03 39.32 59.47
1954 35.27 a 41.04 47.23 57.33 69.86 c 68.43 82.06 76.13 69.77 57.87 47.87 35.19 57.34
1955 34.20 a 39.35 b 42.03 51.53 63.80 a 76.43 78.81 85.23 a 73.13 59.23 a 36.33 34.68 56.23
1956 35.26 33.83 46.93 a 63.50 69.61 72.17 a 88.10 83.48 75.24 a 56.26 38.34 a 37.71 58.37
1957 23.27 a 38.21 47.13 58.47 67.94 74.17 81.35 78.19 76.57 54.10 40.53 40.39 56.69
1958 37.13 48.21 48.74 53.63 73.71 77.03 86.81 86.74 70.30 61.58 43.33 o 41.32 62.29
1959 38.45 38.89 47.87 59.93 63.42 74.40 85.71 77.77 66.10 58.03 41.60 35.61 57.32
1960 31.68 40.66 50.55 59.67 64.61 75.73 88.84 76.94 73.57 59.29 43.47 33.29 58.19
1961 37.35 44.39 49.06 57.00 66.35 82.53 86.77 88.81 68.47 57.10 39.00 37.23 59.51
1962 36.13 42.21 47.42 63.27 60.39 75.17 82.00 77.81 72.87 57.61 44.67 39.97 58.29
1963 30.52 45.61 50.87 54.13 67.83 a 72.83 78.06 82.65 78.70 62.19 44.47 34.45 58.53
1964 37.77 42.28 45.61 54.90 64.90 a 71.37 81.32 76.74 69.83 58.81 40.17 35.39 56.59
1965 36.48 43.04 49.32 60.77 65.81 75.17 83.94 79.55 67.47 64.03 47.10 36.48 59.10
1966 36.94 39.79 49.00 61.10 69.97 71.47 80.06 81.35 76.00 58.42 45.93 40.97 59.25
1967 40.58 45.82 47.87 51.70 67.45 77.63 86.87 89.73 a 78.89 c 58.97 a 43.90 35.93 a 60.45
1968 38.39 44.64 a 54.58 55.55 a 66.19 74.40 86.23 a 75.32 69.77 55.19 42.86 a 35.55 58.22
1969 27.70 a 38.43 49.23 a 58.39 b 71.13 a 79.13 83.23 83.59 b 74.87 54.31 b 43.32 b 35.70 a 58.25
1970 35.13 43.15 a 47.87 50.68 b 68.94 80.45 a 85.47 a 86.23 a 66.21 b 56.17 a 44.20 35.65 58.34
1971 39.10 42.89 44.71 57.70 68.55 68.70 84.00 c 87.52 b 66.40 54.97 a 43.60 35.61 57.81
1972 36.06 39.48 54.19 55.21 b 71.16 75.73 82.35 e 84.77 67.87 57.70 a 44.73 33.48 58.56
1973 34.90 42.68 50.81 58.97 a 72.31 b 74.96 e 87.12 e 82.45 71.30 56.90 39.60 39.58 59.30
1974 33.06 42.43 50.55 56.29 b 63.23 79.50 81.42 82.90 77.63 k 62.60 a 45.33 40.42 57.98
1975 36.19 37.63 a 45.37 a 51.23 67.87 a 71.79 a 80.75 z 79.69 b 76.50 57.35 42.97 42.94 o 56.66
1976 ----- z 46.33 q ----- z ----- z ----- z ----- z 86.06 n 75.12 e 78.11 c ----- z 44.46 b 36.29 58.50
1977 29.90 44.64 45.45 65.30 61.29 c 79.27 82.48 85.52 66.73 ----- z ----- z 37.19 d 59.78
1978 36.48 42.00 i 54.20 a 56.62 a 63.48 ----- z ----- z ----- z ----- z ----- z 37.65 g ----- z 52.70
1979 ----- z ----- z ----- z ----- z 67.81 78.53 86.80 a 82.68 79.93 61.65 37.33 40.29 66.88
1980 31.26 40.24 48.35 63.63 65.23 70.10 a 83.84 80.19 71.47 64.68 44.40 37.81 o 60.31
1981 32.15 k 45.29 53.13 h 53.97 ----- z ----- z ----- z 87.64 c 74.20 55.71 45.87 38.74 57.34
1982 36.13 39.32 48.87 56.73 67.19 76.87 79.39 83.10 70.57 56.87 38.33 35.65 57.42
1983 41.06 45.43 52.68 58.57 70.19 72.73 78.55 84.00 70.17 59.66 b ----- z ----- z 63.30
1984 44.33 y 40.24 50.55 55.47 62.16 70.50 83.90 83.00 68.37 54.39 42.50 32.19 58.48
1985 28.06 37.36 47.00 62.37 69.39 76.70 89.10 78.77 64.57 55.71 31.37 26.45 55.57
1986 38.87 40.54 55.65 ----- z ----- z ----- z ----- z ----- z ----- z 61.32 41.80 34.74 45.49
1987 33.42 41.71 51.13 67.57 70.06 79.00 79.48 83.03 79.63 65.90 46.20 37.65 61.23
1988 30.95 j 45.14 51.90 61.80 67.61 74.40 85.32 86.26 77.60 68.16 42.57 36.35 63.37
1989 37.03 30.89 47.84 63.60 66.77 77.97 83.55 79.48 75.30 58.94 44.73 35.19 58.44
1990 39.45 39.04 54.81 64.33 66.00 73.70 87.26 83.58 81.77 55.84 47.77 ----- z 63.05
Period of Record Statistics
MEAN 34.56 41.14 49.00 58.72 67.10 74.64 83.85 82.19 72.97 58.85 42.79 36.47 58.32
S.D. 4.87 3.43 3.08 4.55 3.17 3.65 2.97 3.70 4.49 3.65 3.66 3.12 1.24
SKEW -0.87 -0.54 0.33 0.06 -0.13 -0.12 -0.21 -0.08 -0.03 0.91 -0.80 -0.50 -0.02
MAX 43.42 48.21 55.65 67.57 73.71 82.53 89.10 89.73 81.77 68.16 49.03 42.83 61.23
MIN 22.84 30.89 42.03 50.68 60.39 65.97 78.06 75.12 64.57 54.10 31.37 26.45 55.57
NO YRS 37 39 39 38 39 38 37 41 40 40 39 38 27