FORKS 1 E, WASHINGTON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(452914)

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
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 44.67 39.80 a 42.23
1908 38.38 b 39.34 40.74 ----- z ----- z 58.41 m ----- z ----- z ----- z ----- z ----- z ----- z 39.49
1909 26.97 42.64 q ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 33.87 h 26.97
1910 35.32 30.93 38.13 a 37.33 c 43.97 a 45.56 c 48.55 b 49.11 c 46.54 b ----- z ----- z ----- z 41.71
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.27 ----- z 43.27
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 54.73 46.94 ----- z ----- z 50.83
1913 ----- z ----- z 43.70 d ----- z ----- z 48.22 u 48.58 e ----- z 46.67 40.10 u 36.00 35.65 42.12
1914 36.35 34.63 a 37.90 39.67 42.19 45.67 45.39 45.06 46.27 o 46.74 39.90 28.77 40.21
1915 30.19 35.75 38.65 39.47 43.84 46.70 50.64 c 50.07 c 45.92 d 43.52 34.07 33.90 41.06
1916 21.48 34.83 37.81 39.93 41.23 a 45.93 a 50.04 c 47.06 42.77 37.23 31.63 c 30.97 a 38.41
1917 31.00 a 29.37 a 30.26 38.21 a 41.13 43.27 44.58 e 46.93 b 46.77 42.77 40.13 37.39 39.32
1918 37.68 29.71 g 34.61 33.80 40.46 g 43.72 e 48.04 h 49.52 f 43.27 42.94 36.57 33.06 38.21
1919 33.13 33.15 a 34.58 38.60 39.10 42.41 a 44.87 46.84 43.63 38.61 c 37.22 c 30.66 b 38.57
1920 32.97 31.31 m 33.35 e 32.89 c 37.03 b 44.67 46.87 47.45 b 48.27 40.81 35.69 d 35.50 k 40.00
1921 33.13 h 33.82 f 34.45 34.60 39.10 b 47.93 48.03 50.03 a 42.43 42.00 37.73 28.62 b 40.49
1922 27.00 27.27 f 31.13 34.80 39.27 e 46.93 44.90 j 48.11 c 46.00 d 43.00 c 31.08 e 27.52 f 38.59
1923 31.16 l 27.08 d 30.76 f 37.16 e 41.92 f 45.72 a 49.48 50.32 43.27 h 40.81 38.47 33.84 40.36
1924 34.23 37.52 32.39 35.77 41.74 42.67 46.77 48.61 42.80 41.19 34.87 29.61 39.01
1925 35.16 36.96 33.90 38.37 42.19 43.37 c 46.90 b 48.26 43.63 36.52 35.35 d 37.61 39.85
1926 34.39 37.57 36.29 39.17 43.06 46.07 46.94 48.81 41.57 43.90 40.53 34.10 a 41.03
1927 33.52 f 32.23 o ----- z ----- z ----- z ----- z ----- z ----- z 48.26 g 43.65 36.47 29.86 b 36.66
1928 36.10 33.48 37.29 36.97 42.42 47.93 51.45 47.84 45.97 43.74 38.33 31.94 41.12
1929 27.52 25.04 34.35 34.87 41.29 47.03 47.55 49.19 44.13 43.84 34.60 35.61 38.75
1930 23.47 a 34.82 34.84 40.47 o 39.67 a 46.36 b 50.29 j 46.78 h 47.00 41.48 34.81 c 35.10 b 37.51
1931 39.03 34.54 37.68 38.90 42.94 46.97 48.90 48.23 48.80 41.79 b 34.88 e 33.48 d 41.34
1932 31.29 32.86 h 38.16 39.63 41.06 46.63 48.42 50.84 45.28 e 43.68 40.23 30.87 41.46
1933 32.45 28.89 34.58 35.10 40.90 43.43 45.77 49.77 45.73 42.29 39.37 36.81 39.59
1934 37.61 c 36.82 37.96 d 42.56 c 43.39 45.00 48.94 51.67 d 47.13 43.81 41.88 d 35.32 42.67
1935 34.58 34.96 31.87 34.33 39.97 47.50 48.59 d 47.93 b 46.43 g 39.41 b 34.68 b 37.32 39.20
1936 35.90 27.48 37.40 a ----- z 44.65 49.29 b 48.61 50.39 44.70 44.37 a 35.23 36.45 41.32
1937 25.00 31.57 35.90 b 38.23 41.97 47.34 a 49.32 48.62 b 48.00 44.65 39.37 37.03 40.58
1938 35.10 33.29 34.71 38.40 40.55 45.53 48.45 48.00 49.30 41.81 35.00 n 35.23 40.94
1939 37.06 31.86 34.55 38.80 41.80 a 47.27 48.38 e 48.94 46.17 42.29 43.33 40.13 41.71
1940 37.08 e 38.34 39.54 e 41.33 43.97 46.13 50.04 c 51.90 50.03 46.61 34.43 36.94 43.03
1941 36.61 36.71 38.97 a 39.29 f 43.21 b 48.41 m 52.42 49.93 a 46.97 a 44.84 38.48 e 33.21 b 42.13
1942 32.84 31.50 h 33.75 c 40.00 i 43.84 46.70 54.17 a 52.26 48.15 c 44.32 33.93 p 33.00 v 44.50
1943 27.73 a 31.88 b 32.03 39.34 a 40.80 f 45.19 c 49.92 f 49.43 c 48.20 43.87 a 37.73 33.68 38.91
1944 34.10 33.14 33.52 37.50 40.87 a 44.96 e 49.58 50.68 c 49.19 c 45.65 39.67 33.12 g 41.71
1945 35.27 a 34.89 33.85 d 37.67 f 43.71 45.07 48.04 f 48.21 b 44.47 41.80 a 35.63 33.48 39.64
1946 34.74 34.85 b 35.10 37.70 43.06 46.93 49.33 a 47.86 b 46.82 b 38.23 a 33.03 a 33.23 a 40.08
1947 30.03 35.43 37.21 b 39.00 43.87 47.82 b 49.37 a 48.47 a 46.20 43.40 a 35.75 b 35.93 a 41.04
1948 31.77 31.46 a 32.58 35.83 42.06 49.23 48.58 50.94 45.10 40.26 35.20 29.71 39.39
1949 24.13 29.00 35.45 38.37 42.03 43.30 46.94 49.39 46.28 e 38.52 42.40 33.10 39.07
1950 20.55 33.46 35.39 36.07 39.29 47.24 a 48.77 49.39 45.43 42.35 36.93 40.06 39.58
1951 32.19 33.39 30.19 35.13 41.19 46.17 50.52 47.42 46.83 a 42.26 36.93 31.74 39.50
1952 32.06 33.28 34.06 36.60 40.58 42.87 47.97 48.97 46.40 44.26 34.53 36.32 39.83
1953 38.71 33.64 34.58 37.13 41.81 44.50 49.68 50.35 46.70 43.58 40.37 37.23 41.52
1954 29.74 34.14 29.61 34.87 40.52 44.70 47.52 50.03 48.33 40.84 43.23 34.48 39.83
1955 33.90 31.04 30.77 32.73 38.48 45.97 48.23 44.29 44.47 42.19 32.97 31.45 38.04
1956 33.16 30.34 32.32 37.27 41.71 46.80 48.74 48.87 46.87 41.71 35.07 35.55 39.87
1957 27.45 30.96 35.26 38.27 43.03 47.20 48.16 48.42 48.27 41.35 35.07 36.52 40.00
1958 38.15 e 40.39 33.23 35.63 44.23 51.13 51.48 47.55 48.70 g 41.52 35.00 39.87 41.65
1959 34.13 34.39 36.13 37.90 39.96 f 46.27 48.97 47.26 46.50 42.48 35.83 33.26 40.28
1960 33.76 b 33.76 34.13 38.00 41.74 45.47 46.75 g 50.45 44.60 44.55 36.57 33.43 a 39.68
1961 35.90 37.82 35.65 38.17 41.32 47.00 51.65 50.19 43.60 38.42 33.40 32.92 e 40.50
1962 33.29 35.71 31.29 38.97 39.10 b 43.07 47.61 50.32 45.57 42.81 37.90 37.06 40.23
1963 30.19 39.39 33.55 38.00 39.87 45.90 49.81 50.19 49.07 44.32 37.90 37.29 41.29
1964 35.81 32.90 35.42 35.33 39.10 48.47 49.23 49.32 46.37 40.97 32.80 30.61 39.69
1965 32.61 36.04 32.58 38.87 40.06 43.53 48.16 49.71 43.33 44.03 40.13 33.16 40.19
1966 34.23 34.82 34.87 a 37.60 39.35 45.80 47.90 b 47.42 47.93 40.97 38.33 38.81 40.67
1967 36.74 35.61 32.42 33.70 42.60 a 47.73 48.81 48.74 48.63 45.61 37.73 34.77 41.09
1968 33.52 35.00 38.77 35.93 41.81 45.27 48.77 48.84 47.40 42.19 37.90 29.36 c 40.40
1969 24.60 a 29.39 34.06 39.10 43.00 50.80 46.84 46.90 a 48.57 39.94 38.33 38.06 39.97
1970 33.77 35.32 33.77 34.53 38.90 44.80 e 48.03 47.87 44.07 40.13 36.43 33.45 39.26
1971 33.10 34.79 32.87 35.53 40.87 44.17 48.03 48.56 d 43.63 40.65 38.13 30.55 39.24
1972 30.32 f 33.88 d 37.19 34.37 44.58 47.23 48.48 52.00 b 43.30 38.61 36.80 32.93 d 40.85
1973 32.58 34.96 35.10 36.63 41.45 46.53 48.23 47.45 47.27 41.71 34.03 36.84 40.23
1974 32.10 35.54 34.81 39.47 40.26 45.30 47.61 49.32 47.37 40.00 38.57 37.42 40.65
1975 33.32 33.04 32.94 34.27 41.45 44.90 48.97 50.68 46.43 42.39 37.30 34.84 40.04
1976 35.39 34.55 32.58 35.93 40.55 43.50 49.06 50.94 47.73 41.81 36.60 36.84 40.46
1977 31.13 37.46 34.61 37.57 40.42 46.17 a 47.35 52.06 45.10 39.00 34.93 ----- z 40.53
1978 37.55 36.93 36.58 38.50 40.84 48.30 50.32 49.58 48.43 42.74 33.30 29.97 41.09
1979 28.06 33.54 35.35 38.47 43.68 44.60 50.45 51.83 a 50.13 44.97 35.70 38.94 41.31
1980 29.00 37.21 35.65 38.60 42.42 47.20 50.42 50.58 49.03 42.10 40.20 38.55 41.75
1981 37.32 36.07 36.77 38.60 43.77 46.97 49.48 51.00 47.13 40.48 38.67 33.74 41.67
1982 31.84 34.29 32.55 33.33 40.55 47.23 49.48 49.90 47.60 42.39 34.10 33.00 39.69
1983 37.68 37.39 38.06 37.13 44.55 48.07 51.42 50.84 46.27 39.68 40.03 28.74 41.66
1984 35.87 36.90 38.06 37.33 42.10 47.00 48.84 49.10 45.90 40.65 36.30 31.03 40.76
1985 30.32 32.11 32.32 38.57 42.39 45.23 48.87 47.06 45.00 42.39 29.40 29.71 38.61
1986 38.23 33.46 39.16 37.83 42.97 48.00 49.42 50.45 46.70 42.55 37.90 36.45 41.93
1987 34.90 37.32 37.84 40.07 43.61 45.93 49.90 49.52 47.97 42.48 40.93 32.32 41.90
1988 32.97 37.59 35.61 39.10 43.06 45.40 49.06 49.35 45.77 47.16 39.23 35.48 41.65
1989 34.55 26.75 34.90 39.97 43.71 47.77 49.03 50.84 46.87 42.55 40.23 37.45 41.22
1990 35.77 30.75 36.71 41.03 43.81 48.60 50.97 52.23 50.17 41.81 39.57 29.84 41.77
1991 33.55 39.82 34.26 38.07 43.45 46.27 49.16 51.90 47.33 40.48 40.33 37.74 41.86
1992 38.42 38.31 39.52 40.57 44.39 49.83 51.90 51.03 46.47 44.58 39.37 32.58 43.08
1993 29.26 31.54 37.26 41.70 46.39 49.53 51.52 51.42 45.57 45.23 33.37 34.71 41.46
1994 38.48 33.04 36.19 41.13 43.81 46.93 50.16 50.65 49.43 40.94 34.10 34.58 41.62
1995 36.00 37.11 36.13 38.27 43.52 47.53 51.84 49.74 50.53 43.65 41.93 36.65 42.74
1996 35.23 33.48 37.00 41.73 41.45 45.43 50.68 50.81 47.20 41.77 37.27 32.26 41.19
1997 36.35 35.07 36.26 37.97 46.03 48.73 51.10 52.71 51.10 44.52 40.50 35.81 43.01
1998 36.00 37.68 37.48 36.63 45.58 48.90 53.35 51.06 47.23 43.48 39.90 33.74 42.59
1999 36.13 34.54 33.97 34.87 39.32 47.13 48.81 51.97 45.13 41.19 39.20 35.87 40.68
2000 32.58 34.59 36.42 39.37 42.52 47.73 51.29 50.32 48.53 41.83 a 34.60 34.10 a 41.16
2001 35.52 31.00 36.13 36.93 41.55 45.03 48.42 51.58 48.47 42.03 39.30 34.35 40.86
2002 35.58 33.93 33.65 37.23 40.87 48.13 50.68 49.32 46.28 a 41.35 40.10 36.06 41.10
2003 39.61 33.29 38.45 38.50 42.19 48.67 50.77 48.90 48.47 46.65 33.13 34.65 41.94
2004 35.87 35.76 37.90 38.63 44.65 47.67 52.87 55.13 47.97 44.39 39.87 36.84 43.13
2005 36.32 31.96 39.03 39.73 47.39 48.33 51.26 51.48 44.80 44.71 36.27 35.10 42.20
2006 38.77 33.07 34.10 38.40 42.16 48.53 51.58 47.94 45.83 41.32 37.93 35.16 41.23
2007 33.23 36.50 38.13 38.47 41.65 46.20 52.35 51.06 47.30 41.68 35.63 33.16 41.28
2008 30.90 34.62 34.29 34.53 43.00 45.20 48.94 51.52 46.50 41.74 41.43 31.19 40.32
2009 31.87 31.25 32.81 35.10 ----- z ----- z ----- z 52.32 48.20 42.06 40.30 29.97 38.21
2010 40.00 37.50 35.81 37.93 40.58 47.03 48.87 49.10 51.03 42.35 35.27 35.48 41.75
2011 35.06 32.11 35.52 34.67 39.81 47.13 49.87 a 50.65 48.50 41.71 33.67 32.84 40.13
2012 33.35 35.10 33.77 38.67 40.58 45.80 50.29 50.26 44.40 42.48 38.80 35.06 40.71
2013 31.00 35.36 36.45 42.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 32.00 z 34.27
Period of Record Statistics
MEAN 33.42 34.18 35.32 37.53 41.99 46.40 49.25 49.63 46.72 42.34 37.30 34.34 40.75
S.D. 3.98 2.95 2.48 2.13 1.90 1.80 1.77 1.74 2.16 2.09 2.95 2.85 1.18
SKEW -1.01 -0.56 0.25 -0.20 0.16 -0.01 0.11 -0.14 0.32 -0.09 0.03 -0.12 -0.09
MAX 40.00 40.39 43.70 42.56 47.39 51.13 54.17 55.13 54.73 47.16 44.67 40.13 43.13
MIN 20.55 25.04 29.61 32.73 37.03 42.41 44.58 44.29 41.57 36.52 29.40 28.62 38.04
NO YRS 99 95 101 94 94 97 93 97 97 100 100 96 76