PULLMAN 2 NW, WASHINGTON

Monthly Average Minimum 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 38.18 t 24.70 27.84 26.27
1941 26.10 29.89 32.87 36.80 41.84 46.70 53.03 51.97 42.83 36.90 32.67 26.68 38.19
1942 13.90 24.18 29.23 36.47 38.77 42.97 48.97 49.45 42.57 36.32 29.80 27.55 35.01
1943 14.61 26.36 27.55 38.97 39.81 44.37 51.00 48.74 44.67 40.42 30.27 24.97 35.98
1944 25.03 22.17 25.29 36.43 41.68 46.13 48.29 47.74 45.63 41.81 29.80 22.74 36.06
1945 27.74 28.54 28.58 33.47 42.26 43.83 48.35 45.90 43.83 38.35 29.10 24.71 36.22
1946 22.77 26.36 33.35 36.03 39.87 44.57 49.77 48.74 44.63 32.90 30.20 27.94 36.43
1947 18.00 27.93 32.61 37.20 43.77 45.80 47.42 47.26 48.40 43.84 28.20 28.42 37.40
1948 23.23 21.62 28.06 35.53 41.77 51.47 47.94 48.58 42.63 35.42 29.40 16.13 35.15
1949 -2.10 20.39 31.84 37.93 44.55 45.47 49.32 48.77 45.80 34.16 35.90 24.65 34.72
1950 3.06 25.21 30.42 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 19.57
1951 ----- z ----- z ----- z 32.87 ----- z ----- z 52.84 l 52.71 x 43.09 s 39.42 30.53 19.52 30.58
1952 16.97 25.38 29.23 37.00 41.97 46.33 48.16 50.00 46.00 37.81 25.00 28.00 35.99
1953 34.39 29.14 31.87 35.43 38.58 42.77 45.39 48.65 44.03 38.10 35.00 29.74 37.76
1954 23.16 29.82 27.61 33.87 40.35 42.77 47.74 46.84 43.40 35.71 35.97 24.77 36.00
1955 23.42 23.59 a 22.19 32.37 38.10 46.93 49.87 45.87 43.83 39.58 23.97 23.68 34.45
1956 26.00 16.86 28.29 37.53 43.94 45.56 c 50.84 48.90 44.45 a 37.26 27.97 27.96 e 36.30
1957 5.61 c 24.39 31.55 35.60 44.77 47.73 48.16 45.61 45.70 39.19 28.93 31.13 h 36.11
1958 28.77 36.25 30.03 35.53 45.19 49.70 52.35 54.06 45.17 39.58 31.10 31.26 39.92
1959 26.19 26.11 31.97 35.90 37.81 46.20 48.45 47.87 45.57 38.16 25.93 27.23 36.45
1960 18.00 26.28 31.16 35.80 39.65 43.87 50.00 49.29 43.23 37.77 30.40 24.61 35.84
1961 27.58 33.57 32.87 34.50 41.00 49.50 50.32 53.35 39.83 36.19 25.83 24.35 37.41
1962 20.32 26.89 28.52 36.87 38.94 43.07 a 47.32 48.87 44.10 39.26 32.97 29.45 36.38
1963 15.45 31.50 31.26 34.40 39.71 47.50 47.26 49.45 50.57 41.45 33.27 24.71 37.21
1964 26.10 25.90 28.97 31.50 38.74 46.90 49.29 47.39 42.50 39.10 30.43 21.06 35.66
1965 25.68 29.71 25.87 37.80 38.74 44.23 51.16 52.03 41.20 42.19 35.00 26.19 37.48
1966 25.03 26.50 30.26 33.27 40.48 44.77 46.65 48.68 46.80 36.68 32.80 31.19 36.93
1967 29.94 30.36 30.19 31.63 39.26 47.33 49.48 51.45 48.30 38.90 30.67 23.87 37.62
1968 24.42 32.69 34.68 33.20 40.58 46.80 49.00 50.06 46.53 37.39 32.60 20.90 37.40
1969 12.35 24.50 29.90 36.73 43.10 49.30 48.06 46.61 47.27 35.13 31.33 27.13 35.95
1970 24.23 31.39 28.74 31.33 41.74 50.73 52.58 50.03 41.63 37.39 31.00 23.81 37.05
1971 27.81 28.07 26.39 34.00 42.26 44.83 48.97 53.06 41.27 34.84 32.37 21.80 a 36.31
1972 20.74 26.86 34.32 34.00 44.77 47.93 a 49.16 52.23 42.07 36.32 33.90 19.42 36.81
1973 21.19 27.89 31.94 34.07 41.26 46.93 48.87 49.16 46.33 37.55 28.50 31.42 37.09
1974 17.23 30.43 31.13 36.87 39.03 48.23 ----- z 49.48 43.70 37.32 31.80 28.13 35.76
1975 21.74 21.29 28.68 31.13 40.13 44.40 54.52 48.23 42.27 38.10 28.13 27.39 35.50
1976 25.87 26.00 25.58 34.67 39.19 43.43 48.06 49.32 46.20 34.23 30.20 25.42 35.68
1977 18.03 28.25 29.00 36.23 38.65 47.87 50.48 53.45 43.93 36.29 28.23 26.94 36.45
1978 26.81 30.04 33.19 35.57 39.52 45.63 50.45 50.16 44.50 33.39 21.67 16.61 35.63
1979 7.06 24.50 32.35 36.20 43.26 46.60 49.77 49.71 46.97 39.06 26.43 29.61 35.96
1980 16.80 a 29.38 30.35 39.57 41.87 44.63 49.90 44.26 45.13 37.32 32.33 29.35 36.74
1981 31.23 28.82 31.65 36.03 41.26 44.90 46.29 49.68 42.97 35.52 35.22 c 27.10 37.55
1982 21.84 23.86 32.32 32.70 40.03 49.17 50.13 50.71 45.30 36.26 26.47 24.23 36.08
1983 30.58 32.89 35.16 32.47 40.45 45.37 49.23 52.58 40.73 37.35 33.63 16.32 37.23
1984 25.61 29.03 33.77 34.67 39.87 45.77 49.52 51.06 42.30 33.68 32.50 19.77 36.46
1985 14.71 18.96 28.58 37.00 42.16 45.57 51.71 48.84 40.47 35.35 17.80 12.35 32.79
1986 29.77 27.32 36.61 34.97 42.03 48.83 47.19 52.84 43.20 36.97 29.47 24.90 37.84
1987 22.16 30.43 33.23 39.20 44.03 48.70 51.71 48.23 44.10 33.97 32.87 22.87 37.62
1988 22.29 29.38 30.74 37.43 41.55 47.23 49.55 48.32 43.17 42.23 32.87 23.81 37.38
1989 24.55 17.04 31.10 38.43 41.32 47.47 48.61 49.52 44.57 36.48 34.70 27.26 36.75
1990 29.29 24.82 31.00 38.73 41.42 47.90 51.77 52.16 45.93 36.06 34.10 16.77 37.50
1991 23.16 34.14 30.94 35.77 40.29 45.20 50.26 52.48 44.03 35.06 32.50 30.32 37.85
1992 29.87 33.55 34.65 39.30 42.42 49.27 51.94 51.52 44.33 39.13 30.87 23.06 39.16
1993 18.16 21.50 32.13 38.00 47.84 49.33 49.84 48.97 42.87 39.03 22.40 28.42 36.54
1994 32.48 23.86 31.87 39.70 44.55 45.17 52.39 50.97 45.57 35.65 28.07 25.94 38.02
1995 27.65 30.43 31.68 34.93 42.35 45.90 51.39 47.52 45.90 36.35 34.67 26.26 37.92
1996 25.23 20.76 ----- z 37.53 39.90 45.77 50.16 51.19 42.60 36.23 30.20 23.19 36.61
1997 24.39 28.14 ----- z 33.27 44.61 45.77 50.65 52.45 48.10 37.48 34.00 24.61 38.50
1998 26.52 31.71 32.74 35.43 42.39 46.27 55.65 52.39 48.27 37.94 35.17 23.16 38.97
1999 28.10 28.39 30.74 32.03 37.90 44.50 46.00 53.58 38.93 35.52 36.10 28.77 a 36.71
2000 24.26 29.41 29.32 35.97 41.16 44.87 47.94 45.19 42.40 35.03 21.14 a 21.06 34.81
2001 24.13 23.61 30.74 33.73 42.94 45.43 49.74 50.39 46.47 36.74 34.30 25.03 36.94
2002 26.35 24.93 27.58 35.43 39.68 47.17 51.68 47.52 43.40 27.84 31.07 29.90 36.05
2003 31.42 27.96 34.90 36.27 41.42 46.30 49.87 50.39 45.37 39.58 26.27 27.42 38.10
2004 23.84 27.66 33.13 35.27 41.39 45.67 51.35 53.48 44.47 38.06 31.53 28.42 37.86
2005 26.39 24.25 32.06 34.23 44.06 45.73 51.00 47.74 40.00 38.58 29.77 21.81 36.30
2006 32.61 24.07 31.52 36.93 42.06 50.28 a 51.80 k ----- z ----- z ----- z ----- z ----- z 36.25
Period of Record Statistics
MEAN 22.86 26.97 30.73 35.53 41.34 46.36 49.71 49.70 44.27 37.23 30.34 25.00 36.70
S.D. 7.04 4.03 2.66 2.15 2.09 2.02 1.96 2.29 2.29 2.54 3.88 4.05 1.20
SKEW -1.32 -0.28 -0.55 -0.12 0.55 0.41 0.38 -0.05 0.11 -0.34 -0.91 -0.85 -0.27
MAX 34.39 36.25 36.61 39.70 47.84 51.47 55.65 54.06 50.57 43.84 36.10 31.42 39.92
MIN -2.10 16.86 22.19 31.13 37.81 42.77 45.39 44.26 38.93 27.84 17.80 12.35 32.79
NO YRS 65 65 63 65 64 64 62 63 63 64 65 64 59