MOUNT ADAMS RANGER STN, WASHINGTON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(455659)

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
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1924 ----- z ----- z ----- z ----- z 38.65 44.73 46.35 44.52 38.92 d 34.93 d 27.34 a 15.77 36.40
1925 27.38 b 29.81 b 28.43 a 32.89 c 38.96 c 46.00 a 47.86 c 41.33 a 39.92 d 28.89 c 26.77 29.36 c 34.80
1926 25.74 28.85 b 28.40 a 34.60 36.07 c 41.79 k 48.78 d 45.12 f 35.67 35.52 29.14 b 19.97 a 32.27
1927 19.00 24.61 26.19 29.04 b 33.03 b 42.59 a 42.90 40.68 38.30 35.19 34.74 c 20.16 32.20
1928 22.23 22.90 30.55 32.23 38.16 f 45.83 46.06 41.54 g 37.23 34.74 30.48 a 23.77 32.60
1929 14.87 12.50 30.42 30.22 c 34.89 d 44.40 42.77 44.39 34.80 33.87 22.90 28.80 a 31.24
1930 5.77 29.00 28.77 a 34.08 f 37.21 b 40.47 44.55 44.90 41.77 32.39 27.47 23.80 f 33.23
1931 26.63 d 25.14 f 29.37 d 32.37 40.07 c 43.75 b 56.39 44.23 40.97 32.76 b 25.90 18.36 f 37.24
1932 21.11 c 19.55 31.04 d 32.61 g 36.62 b 43.45 a 45.03 45.68 38.20 36.72 b 32.14 a 20.70 a 33.66
1933 24.14 b 19.19 b 26.72 b 29.65 d 35.71 c 42.70 c 45.55 44.32 39.60 35.68 29.53 31.76 b 33.71
1934 29.52 b 27.62 d 32.64 c 38.11 c 40.32 42.97 44.81 45.13 40.60 38.19 34.27 28.21 c 36.87
1935 21.90 a 24.29 25.74 29.00 a 35.58 43.50 46.84 42.71 40.87 31.61 24.00 a 26.39 32.70
1936 25.52 11.76 25.29 c 32.13 40.40 a 44.57 45.45 44.52 37.07 33.13 21.23 29.13 a 32.52
1937 8.20 a 23.11 29.07 a 33.00 k 37.37 a 44.40 48.19 44.29 41.20 35.97 32.28 a 28.74 33.89
1938 25.13 a 25.50 27.07 b 31.69 a 36.14 c 44.23 48.29 43.03 42.20 34.32 25.43 24.93 c 34.00
1939 27.80 a 22.75 28.77 a 32.17 38.39 42.03 47.71 43.68 39.93 35.93 b 28.04 e 30.35 34.80
1940 24.52 28.55 30.61 34.57 40.42 44.03 48.94 44.45 43.47 39.37 a 25.50 25.58 35.83
1941 25.94 25.61 28.94 33.97 38.97 a 43.23 50.61 48.32 41.90 a 35.14 c 30.12 e 28.71 35.95
1942 16.37 a 25.36 26.77 33.29 b 37.68 42.85 d 47.26 48.52 39.30 33.83 b 29.64 b 27.00 33.99
1943 15.29 25.57 25.87 32.83 a 34.68 39.62 a 47.10 44.10 a 41.31 a 35.52 b 31.57 24.84 33.19
1944 21.03 26.21 27.32 32.27 37.84 44.00 a 48.42 45.90 42.53 36.66 b 29.37 23.10 a 34.55
1945 27.35 28.14 28.23 32.10 39.13 41.66 a 45.96 e 46.83 a 40.00 a 35.03 b 29.20 j 23.74 35.29
1946 24.73 a 26.79 29.30 a 30.42 r 42.10 42.17 44.42 46.26 39.21 b 34.23 a 26.00 a 27.17 a 34.76
1947 18.97 25.46 29.46 c 32.73 40.00 ----- z 47.97 44.23 41.37 38.17 a 31.31 a 27.45 34.28
1948 ----- z ----- z ----- z ----- z ----- z 48.67 c 45.16 45.87 a 38.52 a 31.72 b 28.31 d 19.74 36.86
1949 2.23 21.04 28.00 a 32.17 a 39.63 a 41.43 46.32 46.42 42.14 a 29.76 b 32.40 24.85 e 32.20
1950 8.03 22.04 27.59 d 28.61 b 34.29 43.00 a 47.65 46.19 39.55 a 36.93 a 30.17 29.79 b 32.82
1951 23.32 22.15 a 22.68 i 29.63 c 37.00 a 42.50 b 46.10 a 44.61 41.28 e 35.93 c 27.61 b 20.63 d 33.71
1952 18.04 c 24.17 26.70 a 30.36 b 37.26 d 43.93 46.74 46.94 40.17 a 35.26 d 19.15 j 26.77 a 34.21
1953 30.48 27.46 28.76 b 31.55 a 35.94 40.44 l 45.77 47.29 g 41.50 35.96 c 32.31 a 29.29 33.90
1954 22.52 25.71 23.77 31.07 a 37.58 42.03 43.00 g 45.45 39.86 a 31.40 a 36.73 23.00 32.65
1955 23.07 a 24.82 24.06 29.43 36.24 b 46.13 46.58 44.58 40.97 35.84 25.90 22.39 33.33
1956 24.26 19.00 26.68 31.10 39.43 a 42.68 e 48.67 a 47.06 40.90 33.85 e 28.80 j 25.53 a 34.47
1957 10.27 a 23.59 a 28.70 d 33.38 d 41.40 a 44.50 h 46.32 f 41.91 h 41.55 a 33.95 l 25.00 r 27.30 k 29.82
1958 27.44 d 31.37 i 26.90 k 31.22 g 40.65 k 50.37 c 50.19 49.35 41.90 a 34.84 29.19 c 29.23 39.06
1959 26.19 27.04 29.39 31.67 34.52 f 45.27 d 48.26 45.03 42.23 35.67 d 25.74 g 24.87 35.56
1960 19.58 25.41 26.90 33.87 37.61 44.70 47.55 47.39 39.97 37.13 31.10 21.63 d 34.40
1961 26.65 e 31.30 a 30.55 35.37 39.77 46.20 48.68 50.77 38.64 e 33.70 k 25.43 g 25.97 b 37.39
1962 22.86 b 24.73 b 25.32 33.43 37.93 a 42.11 b 46.84 47.77 41.84 e 35.77 32.11 c 29.17 b 34.99
1963 19.30 a 29.68 28.81 32.60 38.58 46.33 46.84 46.74 46.04 b 38.41 i 31.68 h 23.00 g 37.21
1964 28.23 e 25.64 d 28.00 g 29.68 h 34.45 i 43.63 47.81 44.47 a 38.27 33.79 b 28.00 b 21.77 34.62
1965 26.39 28.71 25.68 31.90 36.80 a 44.30 48.23 48.48 37.20 36.40 f 32.95 k 23.78 m 36.41
1966 23.55 k 25.21 i 24.32 i 30.43 i 37.05 k 43.33 l 45.32 44.61 41.00 33.29 j 27.60 j 27.52 j 43.65
1967 26.57 j 25.05 i 26.52 h 26.40 j 32.86 i 43.69 d 45.32 45.68 40.45 a 31.27 i 23.55 j 15.40 k 43.79
1968 18.00 i 24.50 i 31.86 j 31.77 h 38.96 e 43.54 b 48.97 48.58 43.73 34.65 31.87 23.06 39.17
1969 14.65 25.14 26.71 32.13 40.16 50.14 b 46.13 44.42 42.80 31.77 29.77 26.32 34.18
1970 20.08 g 28.82 28.94 30.33 37.00 48.18 b 50.06 47.84 f 41.10 32.68 30.07 24.52 35.17
1971 24.65 25.57 25.10 29.83 38.74 41.07 47.19 47.52 37.23 32.79 c 30.37 25.21 g 34.55
1972 21.16 25.34 30.61 29.80 37.45 b 44.60 47.10 48.23 39.00 28.06 32.87 19.81 33.67
1973 22.71 28.75 31.32 31.80 37.13 44.23 47.58 43.97 43.00 38.03 29.17 30.52 35.68
1974 18.17 a 29.00 29.68 34.53 38.23 45.37 47.61 47.81 40.83 35.19 35.53 30.29 36.02
1975 25.65 27.89 30.90 34.23 38.35 ----- z ----- z ----- z ----- z 40.71 33.36 b 30.27 a 32.67
1976 28.68 28.93 28.16 34.47 37.60 a 42.10 50.07 a 49.35 47.86 b 36.77 31.17 26.29 36.79
1977 20.20 a 29.68 c 30.58 33.30 36.61 49.41 c 49.00 50.78 h 39.73 34.13 28.43 29.27 e 34.58
1978 27.16 30.46 b 31.13 a 34.78 c 37.26 45.07 48.45 49.19 44.07 32.87 23.87 19.87 35.35
1979 8.77 23.92 b 28.39 c 32.13 39.10 43.90 49.03 48.06 45.07 p 38.84 27.30 30.65 33.65
1980 16.03 b 28.62 30.59 b 32.58 d ----- z 43.07 a 51.42 47.07 a 42.70 35.84 ----- z 27.21 b 35.51
1981 ----- z 29.96 c 32.42 35.24 a 42.06 45.70 c 50.14 j 51.00 44.07 35.13 32.28 a 26.71 37.46
1982 26.90 k 25.71 28.52 ----- z ----- z 45.43 46.97 46.06 40.67 33.26 26.63 24.87 35.35
1983 29.68 34.17 v 35.32 30.57 38.83 a 46.10 51.16 45.84 40.87 33.35 33.43 16.10 36.48
1984 24.13 a 27.07 31.00 30.43 34.06 40.07 45.03 46.68 39.97 31.65 28.87 19.42 33.20
1985 18.45 20.54 25.00 31.43 37.61 42.80 48.97 43.26 35.67 32.42 16.53 12.45 30.43
1986 23.94 23.71 31.65 32.87 40.81 48.23 47.97 50.19 40.83 34.19 32.63 24.16 35.93
1987 22.94 27.39 30.10 34.53 40.55 44.83 48.55 45.55 41.53 31.03 32.00 a 22.29 35.11
1988 23.97 25.66 29.52 35.60 38.35 41.93 48.10 45.26 40.47 36.68 32.47 26.06 35.34
1989 26.29 16.29 28.61 33.67 37.68 45.47 46.16 45.52 37.80 33.68 33.13 25.77 34.17
1990 29.19 23.57 28.55 34.87 38.32 ----- z 50.94 49.94 42.53 34.29 32.40 16.87 34.68
1991 23.03 30.93 27.74 32.17 39.19 41.80 49.58 l 51.23 40.97 31.94 31.60 28.10 34.43
1992 28.16 32.28 30.48 35.47 40.10 ----- z ----- z 47.90 42.57 37.00 30.33 23.35 34.76
1993 18.42 19.71 27.77 34.17 42.39 45.10 45.52 44.90 38.53 34.65 20.77 26.19 33.18
1994 28.68 24.75 29.00 34.53 40.10 42.13 50.06 48.03 ----- z 33.06 26.10 26.35 34.80
1995 26.23 28.07 29.39 32.03 39.16 43.23 50.58 44.10 43.93 ----- z 34.67 26.84 l 37.14
1996 24.97 18.45 28.84 33.73 37.00 40.97 50.00 47.74 39.33 35.45 28.90 a 25.81 j 35.03
1997 20.47 p 25.37 i 29.33 j 28.21 k 38.75 k 42.57 47.32 49.74 43.93 34.90 29.90 25.53 n 41.39
1998 28.08 r 29.78 j 27.45 i 31.90 40.84 44.77 54.47 n 49.00 43.77 33.10 32.57 23.93 a 37.48
1999 28.44 m 28.16 i 27.09 i 28.32 h 33.32 i 45.17 45.48 51.23 37.40 33.29 g 34.25 f 28.57 j 44.82
2000 23.32 l 26.11 k 27.17 h 32.05 j 40.57 h 43.67 45.16 46.47 a 34.34 a 31.56 f 25.33 l 22.50 k 42.41
2001 24.86 j 23.22 j 21.11 m 23.90 j 34.50 m 39.86 a 48.96 c 49.45 42.67 f 34.28 f 28.36 h 26.00 i 46.09
2002 24.00 j 22.21 i 25.14 j 30.13 34.25 k 43.73 ----- z 45.39 39.97 27.06 28.23 29.84 34.91
2003 28.86 j 24.67 j 32.67 j 33.43 i 38.59 i 46.30 49.97 48.87 ----- z 38.88 e 23.19 i 26.29 g 46.01
2004 21.37 l 24.84 j 30.09 h 32.55 h 39.48 h 44.43 50.29 52.06 43.70 36.64 f 28.79 f 28.54 g 47.62
2005 25.57 h 21.26 i 30.72 f 34.33 42.28 f 43.70 49.06 46.90 40.47 k 37.22 h 27.75 f 20.29 g 43.50
2006 29.65 h 23.74 e 29.41 d 31.72 e 38.26 46.33 51.94 47.42 41.57 33.10 j 29.30 j 23.62 j 38.80
2007 19.96 h 27.61 e 31.59 d 33.48 e 38.67 z ----- z 51.00 z 46.85 k 41.80 33.31 e 28.58 f 26.00 i 33.56
2008 18.54 g 28.18 g 27.46 e 28.16 e 40.30 d 43.27 49.03 49.52 38.48 e 34.04 e 33.70 g 21.83 g 38.78
2009 24.24 j 24.74 i 26.81 j 31.09 h 37.17 h 48.00 49.43 a 50.32 41.08 e 32.96 f 29.74 g 17.88 g 47.21
2010 29.67 m 28.95 i 28.97 33.81 d 37.65 45.00 47.61 46.45 44.93 36.32 29.73 26.85 e 37.73
2011 25.65 e 24.40 h 31.09 h 30.22 g 35.32 i 44.31 a 45.83 b 48.97 a 44.44 c 37.93 c 27.57 g 20.46 g 41.19
2012 25.62 r 26.10 i 28.91 i 38.42 k 39.46 g 43.24 e 49.41 b 47.61 40.60 35.65 33.03 26.76 b 39.47
2013 20.65 27.82 29.52 b 29.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 25.99
Period of Record Statistics
MEAN 22.09 25.31 28.70 32.45 38.23 44.11 47.73 46.62 40.70 34.57 29.54 25.14 34.16
S.D. 6.12 4.06 2.14 1.97 1.96 2.19 2.18 2.39 2.43 2.50 3.67 4.07 1.56
SKEW -1.27 -1.14 0.05 0.02 -0.20 0.62 0.61 0.11 -0.09 -0.41 -0.92 -0.80 -0.31
MAX 30.48 32.28 35.32 38.11 42.39 50.37 56.39 52.06 47.86 40.71 36.73 31.76 36.87
MIN 2.23 11.76 23.77 28.16 33.03 39.62 42.77 40.68 34.34 27.06 16.53 12.45 30.43
NO YRS 67 68 70 68 68 80 80 81 83 75 67 67 32