PULLMAN 2 NW, WASHINGTON

Monthly Average Temperature (Degrees Fahrenheit)

(456789)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.41 t 31.92 34.29 33.10
1941 32.52 37.84 43.18 48.17 52.69 58.72 69.21 65.74 52.93 47.19 41.17 32.79 48.51
1942 21.19 31.12 38.34 48.07 49.10 54.78 65.26 66.87 58.55 49.37 35.30 32.27 45.85
1943 21.94 33.68 35.40 48.33 49.31 54.90 65.34 63.66 60.98 50.24 37.88 29.81 45.96
1944 31.37 29.55 33.92 46.32 53.63 57.88 64.98 63.32 60.58 55.89 36.22 27.71 46.78
1945 32.42 34.52 35.48 42.53 53.60 56.17 66.06 64.69 55.37 50.71 35.40 29.94 46.41
1946 29.61 32.70 40.00 46.85 53.48 56.82 65.48 65.94 56.92 42.68 35.80 32.85 46.59
1947 24.92 35.73 41.97 47.07 57.90 56.77 64.27 63.02 59.63 50.61 34.58 32.85 47.44
1948 29.32 29.45 35.45 43.63 51.23 62.63 62.16 62.66 57.60 48.50 35.12 22.68 45.04
1949 8.50 27.96 39.50 49.93 56.68 59.35 65.19 65.94 60.47 44.37 44.40 29.89 46.01
1950 12.10 31.91 37.18 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.06
1951 ----- z ----- z ----- z 46.75 ----- z ----- z 70.58 l 69.93 x 55.59 s 47.26 36.63 25.26 38.97
1952 24.05 31.36 36.60 49.43 53.61 57.97 65.37 65.29 61.05 53.63 33.75 32.50 47.05
1953 39.77 35.59 39.82 44.88 50.69 53.92 63.60 64.60 60.38 a 51.35 42.00 35.26 48.49
1954 29.24 36.77 36.42 43.65 52.95 54.35 63.35 61.23 57.03 47.34 43.22 30.53 46.34
1955 28.65 29.94 a 29.90 40.65 48.69 60.28 63.97 64.82 58.35 49.15 30.05 29.23 44.47
1956 30.82 24.24 36.21 49.20 56.16 58.30 c 68.08 65.34 59.72 a 46.85 34.63 33.56 e 46.93
1957 13.52 c 30.91 39.44 46.15 55.73 60.20 64.11 62.42 62.08 47.40 36.13 36.17 h 47.10
1958 33.68 42.12 39.11 44.47 59.05 62.57 69.34 71.23 58.45 52.08 37.43 36.11 50.47
1959 31.65 31.93 39.73 46.63 49.21 59.23 66.50 62.27 55.68 47.85 34.07 32.71 46.46
1960 23.85 a 32.40 40.10 46.35 50.74 59.03 69.73 63.21 59.68 49.48 37.07 29.97 46.80
1961 33.05 38.93 40.19 44.33 52.29 64.48 68.19 71.39 53.83 46.42 34.16 a 29.76 48.09
1962 27.11 34.00 35.97 48.52 48.47 57.33 a 63.92 63.26 59.15 48.77 39.10 35.05 46.72
1963 22.60 39.23 40.23 43.80 53.06 59.07 62.29 65.77 65.07 52.19 39.75 29.50 47.71
1964 31.21 32.74 36.11 42.05 51.40 58.17 64.85 61.53 55.33 50.58 35.88 28.21 45.67
1965 30.97 36.05 36.08 47.62 51.00 58.03 66.84 66.26 54.37 54.19 41.78 a 32.66 47.99
1966 30.92 32.82 39.11 45.07 54.98 57.08 63.68 64.94 61.38 47.82 40.02 35.58 47.78
1967 35.21 37.46 37.18 41.10 51.27 60.83 67.31 70.90 63.88 48.92 38.72 29.74 48.54
1968 30.71 39.24 43.44 43.58 52.79 59.42 67.26 63.55 58.60 46.52 38.00 27.68 47.56
1969 20.68 30.34 38.35 46.98 55.00 62.50 64.23 63.98 59.98 44.85 39.40 31.61 46.49
1970 29.65 38.61 36.92 40.08 52.94 63.37 67.61 67.35 53.57 47.42 38.18 29.45 47.10
1971 33.23 35.52 33.97 43.73 53.94 54.82 65.31 70.82 54.05 45.60 37.62 27.72 a 46.36
1972 27.34 32.78 42.00 42.37 55.35 59.62 a 64.82 68.58 54.52 48.02 39.42 25.44 46.69
1973 27.81 34.84 40.13 45.13 54.05 59.35 66.68 65.65 58.58 47.40 33.80 35.68 47.42
1974 23.94 35.91 38.48 44.68 49.26 61.88 ----- z 65.26 60.15 50.71 38.48 33.48 45.66
1975 28.13 27.70 35.81 39.75 50.60 56.15 68.76 61.95 58.73 46.65 35.37 33.77 45.28
1976 31.76 32.52 33.56 43.82 52.40 54.73 63.40 62.65 61.62 48.03 38.47 32.10 46.25
1977 23.97 36.68 36.82 49.15 49.11 62.68 64.31 68.87 54.45 47.05 35.02 31.77 46.66
1978 31.39 35.38 42.08 44.37 49.73 59.25 64.94 63.66 55.92 47.94 29.95 23.60 45.68
1979 14.39 30.54 40.79 44.62 53.87 60.02 65.60 66.00 61.77 50.37 32.98 35.42 46.36
1980 23.47 a 34.86 37.35 49.69 a 51.73 55.10 64.02 60.11 58.18 49.29 38.67 35.40 46.49
1981 35.82 35.16 41.71 45.12 51.19 54.73 61.94 67.87 58.45 45.48 42.50 c 32.42 47.70
1982 27.50 30.21 39.53 41.92 51.45 61.13 63.89 65.92 58.08 46.34 32.45 29.97 45.70
1983 36.52 39.09 42.95 44.27 54.00 57.78 62.24 68.32 54.47 48.94 39.90 21.85 47.53
1984 31.68 35.40 41.08 43.95 50.15 57.55 66.18 67.29 55.78 44.74 37.88 25.76 46.45
1985 21.26 26.11 37.24 48.52 55.05 59.48 70.66 63.92 52.55 45.87 24.13 19.15 43.66
1986 34.47 34.02 44.81 45.28 53.60 63.58 61.60 70.00 54.12 50.05 35.43 29.79 48.06
1987 27.85 37.14 41.26 51.80 56.61 62.13 65.23 64.55 61.57 50.87 40.07 28.56 48.97
1988 28.11 37.29 39.53 47.88 52.89 59.12 65.05 65.90 58.30 55.55 38.47 29.71 48.15
1989 30.00 23.38 38.00 48.83 52.32 60.60 65.31 63.29 60.02 47.98 40.75 32.37 46.90
1990 33.89 32.02 41.26 49.75 51.61 58.90 68.03 67.53 64.40 46.42 39.95 22.77 48.04
1991 28.84 41.36 38.19 45.93 50.19 55.35 65.87 68.98 61.23 48.85 37.60 35.50 48.16
1992 34.08 40.52 45.58 49.47 56.65 64.43 65.85 67.92 57.58 51.21 35.57 28.66 49.79
1993 23.95 28.25 39.76 46.25 59.13 60.38 60.76 64.26 59.13 51.63 31.87 32.48 46.49
1994 37.71 30.70 42.69 49.45 55.81 58.93 69.81 68.08 62.15 47.26 32.95 a 31.03 48.88
1995 32.76 38.11 39.87 44.97 54.06 56.95 65.66 62.61 60.90 44.92 41.13 31.37 47.78
1996 30.18 29.98 ----- z 46.58 49.29 58.78 67.52 68.03 56.12 46.89 36.25 28.92 47.14
1997 30.06 33.61 ----- z 42.60 55.73 56.75 65.35 69.52 61.50 48.18 40.65 30.11 48.55
1998 32.00 38.14 40.73 45.85 52.76 58.48 72.03 70.11 64.75 48.98 40.35 28.61 49.40
1999 32.85 33.93 39.23 43.15 49.27 56.57 62.63 69.11 56.75 48.50 43.42 32.15 a 47.30
2000 28.76 35.16 37.05 47.37 52.29 57.92 64.63 64.39 55.52 46.55 28.12 a 26.69 45.37
2001 29.53 31.38 41.10 43.82 57.00 59.15 66.90 69.27 62.88 48.06 41.37 30.81 48.44
2002 32.19 32.38 34.89 46.17 51.77 60.47 68.26 64.08 59.48 43.35 39.13 34.69 47.24
2003 36.60 34.91 42.19 46.13 52.94 61.18 69.15 67.68 60.90 52.82 34.17 32.89 49.30
2004 29.02 34.24 44.16 48.03 52.65 59.48 68.16 68.95 58.00 49.42 38.70 35.13 48.83
2005 33.13 36.09 43.21 46.30 55.53 57.50 67.56 66.79 55.78 49.58 36.38 27.94 47.98
2006 37.95 32.43 39.52 46.52 54.87 62.53 a 68.65 k ----- z ----- z ----- z ----- z ----- z 45.64
Period of Record Statistics
MEAN 28.82 33.80 39.01 45.78 52.91 58.87 65.75 65.86 58.56 48.58 37.03 30.52 47.16
S.D. 6.10 3.90 3.03 2.64 2.61 2.61 2.37 2.75 3.07 2.70 3.79 3.70 1.31
SKEW -1.17 -0.29 -0.26 -0.14 0.30 0.15 0.31 0.20 0.00 0.48 -0.70 -0.80 0.03
MAX 39.77 42.12 45.58 51.80 59.13 64.48 72.03 71.39 65.07 55.89 44.40 36.11 50.47
MIN 8.50 23.38 29.90 39.75 48.47 53.92 60.76 60.11 52.55 42.68 24.13 19.15 43.66
NO YRS 65 65 63 65 64 64 62 63 63 64 65 64 59