SNOQUALMIE FALLS, WASHINGTON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(457773)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201007
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
1898 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1899 38.88 n 34.23 b 36.65 41.13 45.00 48.40 54.29 59.35 55.53 50.23 ----- z ----- z 47.20
1900 43.13 38.57 33.48 48.17 54.26 55.93 a 59.63 a 59.48 55.83 49.81 44.20 ----- z 49.32
1901 ----- z ----- z ----- z 36.48 e 44.10 a 43.07 40.13 41.90 36.90 36.58 40.57 34.23 39.33
1902 31.97 37.32 37.00 34.57 46.10 47.37 48.58 48.87 45.07 42.45 37.50 33.77 40.88
1903 34.29 31.50 l 32.29 36.93 a 40.61 47.00 ----- z 52.10 45.45 a ----- z 40.89 u 32.73 a 40.18
1904 32.42 32.03 32.16 35.70 34.52 44.27 52.03 49.58 45.57 44.16 41.87 36.48 40.07
1905 31.77 32.79 39.13 35.47 41.52 48.30 48.48 b 51.30 a 48.75 b 36.04 d 35.00 33.77 e 40.19
1906 34.32 35.39 33.42 39.23 42.42 46.67 53.58 49.16 48.40 43.84 37.00 c 34.53 a 41.50
1907 23.39 34.19 b 32.16 35.67 43.06 47.13 50.55 50.84 48.00 45.87 38.77 36.45 40.51
1908 34.03 32.41 34.42 37.37 42.26 46.53 51.52 49.13 43.23 39.97 39.83 30.61 40.11
1909 26.29 34.25 33.55 36.83 41.45 46.33 49.06 46.77 46.07 41.23 38.80 28.97 39.13
1910 31.06 30.43 36.74 39.13 43.58 47.40 50.23 46.97 46.17 45.03 37.77 35.61 40.84
1911 31.26 30.54 33.19 33.53 42.97 46.43 50.74 50.94 46.97 39.45 36.57 34.71 39.77
1912 34.10 37.28 31.81 38.70 45.00 48.60 51.32 52.03 44.97 39.42 39.83 34.84 41.49
1913 29.16 31.04 32.90 38.60 44.03 49.47 50.29 52.29 46.43 40.87 39.10 36.52 40.89
1914 37.13 36.54 38.90 41.43 44.23 48.37 49.55 48.13 h 47.97 46.19 41.13 29.61 41.91
1915 33.10 38.82 42.77 42.87 45.65 49.60 53.42 52.68 46.90 44.52 36.83 35.39 43.54
1916 22.10 33.31 36.65 39.73 41.61 47.00 51.65 51.13 46.13 36.48 36.70 32.97 39.62
1917 32.26 34.00 34.00 39.28 a 44.94 47.10 51.26 51.87 49.90 44.03 43.97 38.94 42.63
1918 38.03 33.04 36.81 37.43 41.42 50.07 54.52 56.32 49.20 45.23 40.07 35.23 43.11
1919 35.19 34.71 36.26 40.87 43.29 46.97 50.03 53.35 46.73 40.77 38.83 30.10 41.43
1920 32.65 30.38 36.00 36.53 41.35 50.70 55.23 52.68 49.60 42.45 38.53 38.29 42.03
1921 35.61 36.61 37.29 38.23 42.42 49.30 48.45 51.65 46.57 43.19 39.80 33.55 41.89
1922 28.81 31.14 35.39 39.23 43.29 49.43 51.03 51.55 48.67 45.55 35.83 31.32 40.94
1923 35.29 29.04 34.19 42.10 45.81 49.77 53.77 52.61 47.30 43.84 39.13 36.00 42.40
1924 34.26 40.17 34.71 39.77 44.68 48.20 52.90 52.06 47.73 43.97 39.03 28.81 42.19
1925 37.26 37.61 37.42 40.87 43.42 45.90 50.19 48.48 47.40 37.61 35.53 39.19 41.74
1926 34.00 36.86 36.06 40.83 44.23 47.50 49.29 49.77 42.63 43.42 38.37 32.35 41.28
1927 33.52 32.61 33.58 34.37 41.16 48.00 50.45 50.74 48.10 42.48 38.87 28.48 40.20
1928 34.42 32.21 38.55 38.67 41.74 47.80 51.77 48.10 43.70 43.45 35.50 31.26 40.60
1929 24.39 22.93 34.97 35.47 41.55 47.30 46.73 a 47.16 42.93 42.71 32.57 b 35.03 37.81
1930 22.97 35.04 34.87 40.77 40.48 45.93 48.26 48.26 46.80 39.03 33.90 35.26 39.30
1931 37.26 34.64 36.90 38.00 43.10 48.10 47.65 45.26 48.77 39.19 33.13 34.19 40.52
1932 31.03 29.52 38.42 39.83 41.26 46.03 47.42 50.68 42.30 41.90 40.07 30.16 39.89
1933 31.77 27.61 34.87 36.10 41.35 43.97 46.00 49.65 45.57 42.10 37.43 36.03 39.37
1934 36.00 36.25 38.06 41.17 44.19 45.27 47.90 47.97 44.43 41.84 41.40 34.97 41.62
1935 32.35 35.29 32.72 f 34.03 37.84 45.53 47.84 46.71 45.07 37.32 31.97 35.97 39.08
1936 35.52 24.69 32.65 40.30 44.23 48.80 48.77 49.16 43.07 42.61 31.70 34.97 39.70
1937 21.48 36.29 ----- z 40.33 u 40.58 47.97 49.39 49.39 47.73 42.94 39.00 35.71 41.05
1938 32.87 34.89 35.32 38.93 40.55 45.63 48.32 45.90 47.87 42.42 35.40 34.81 40.24
1939 37.10 30.36 33.84 38.30 40.65 45.63 48.55 47.03 44.30 41.13 39.23 37.58 40.31
1940 35.42 37.24 37.48 40.27 42.74 43.80 49.10 47.81 48.23 45.58 34.67 36.16 41.54
1941 36.73 a 35.21 36.83 a 38.00 42.97 46.40 50.71 49.68 45.83 43.71 38.17 35.26 41.63
1942 35.32 33.93 35.13 40.00 44.23 47.50 54.74 53.00 45.50 42.42 36.43 35.94 42.01
1943 25.52 34.32 33.94 39.43 40.74 45.97 50.06 49.42 44.87 41.58 38.40 31.84 39.67
1944 34.52 31.62 32.52 39.00 41.13 46.67 50.58 50.10 47.40 42.94 36.93 33.90 40.61
1945 34.87 34.54 33.87 36.30 43.19 44.83 48.13 48.16 43.60 40.06 36.10 31.94 39.63
1946 32.84 34.14 34.42 36.97 43.00 46.63 50.84 48.94 47.13 37.13 32.40 31.74 39.68
1947 28.13 34.18 34.61 38.73 43.29 47.07 48.97 47.52 44.07 43.32 35.43 35.23 40.05
1948 30.52 29.79 32.74 35.73 42.06 48.52 a 48.52 52.32 43.50 39.61 33.63 29.10 38.84
1949 20.61 28.44 a 34.00 37.43 42.03 42.33 46.29 48.23 45.17 a 37.19 41.47 31.32 37.88
1950 16.81 31.86 34.68 35.60 38.23 47.10 48.00 48.84 43.50 41.55 35.90 39.26 38.44
1951 30.97 31.68 30.84 33.03 41.00 45.23 48.03 45.26 44.83 41.61 35.83 30.23 38.21
1952 29.35 32.72 33.45 36.17 41.06 44.53 48.42 50.52 45.30 40.48 32.27 33.97 39.02
1953 38.74 33.64 35.42 37.87 43.48 46.40 49.10 51.26 46.13 42.06 40.13 37.32 41.80
1954 29.13 34.32 29.71 36.43 41.10 45.50 47.74 50.52 47.73 40.45 41.93 a 35.19 39.98
1955 32.35 30.68 30.32 34.53 39.94 47.47 49.23 47.29 45.23 42.00 31.20 31.30 a 38.46
1956 32.97 29.14 33.74 36.73 43.26 48.07 50.94 50.19 46.57 41.39 34.20 34.39 40.13
1957 24.65 31.36 36.13 39.10 46.45 49.60 49.90 a 48.77 47.40 40.74 34.60 36.97 40.47
1958 38.39 42.39 33.87 38.87 46.68 53.43 54.74 51.06 47.90 43.71 35.73 40.06 43.90
1959 34.71 34.61 36.77 39.80 42.23 49.50 50.45 50.06 49.07 43.45 36.30 35.55 41.87
1960 34.19 35.93 35.10 40.47 43.35 48.00 50.23 52.45 46.83 44.29 37.20 34.32 41.86
1961 38.10 39.14 38.13 40.03 44.16 49.33 53.10 52.55 45.27 40.81 34.17 33.81 42.38
1962 31.74 36.04 33.65 41.07 43.74 46.23 50.16 51.84 48.37 43.74 39.70 37.00 41.94
1963 27.39 40.00 35.26 39.33 42.71 48.43 51.19 51.77 49.60 44.48 38.20 35.48 41.99
1964 35.97 32.45 36.84 37.23 41.23 48.33 51.81 51.00 45.83 42.84 34.87 30.61 40.75
1965 34.35 35.07 32.77 39.67 41.23 46.50 52.13 53.03 45.00 43.61 42.10 33.58 41.59
1966 35.19 35.25 36.45 39.80 41.45 49.27 51.81 51.00 49.97 41.90 38.03 39.06 42.43
1967 35.52 35.00 33.77 a 35.27 43.68 51.37 51.39 52.03 48.90 45.00 39.13 34.87 42.16
1968 33.42 36.17 39.39 36.87 43.39 48.53 51.90 51.13 47.43 41.65 37.70 28.81 41.37
1969 26.19 32.96 32.65 38.23 43.35 52.60 50.29 49.97 49.60 40.26 38.27 36.71 40.92
1970 34.32 36.39 34.81 36.80 41.87 49.37 50.39 49.87 45.03 40.61 36.63 31.55 40.64
1971 32.84 34.11 32.77 36.47 42.52 46.07 51.32 52.55 44.20 40.23 38.17 30.52 40.15
1972 28.87 32.93 37.65 35.77 43.94 48.63 51.10 51.94 45.33 37.61 38.10 30.42 40.19
1973 31.16 35.32 35.84 36.57 43.35 48.43 49.90 47.42 46.57 41.29 33.43 36.55 40.49
1974 29.81 34.50 33.94 39.17 41.39 47.43 49.77 51.55 46.23 38.10 38.10 35.61 40.47
1975 32.45 32.71 32.29 33.50 41.81 46.27 51.81 49.94 44.83 42.52 35.53 34.39 39.84
1976 34.32 32.31 31.94 36.50 41.52 44.13 49.35 51.32 47.43 38.29 ----- z 35.10 40.20
1977 28.55 38.21 35.16 39.27 43.03 49.40 50.52 54.03 45.50 39.48 35.07 34.32 41.05
1978 37.32 37.32 38.10 39.80 42.61 51.17 52.68 52.16 49.03 40.13 30.73 28.94 41.67
1979 28.55 33.32 35.84 39.25 b 44.42 46.83 52.10 52.03 a 49.17 42.68 34.63 37.77 41.38
1980 25.94 35.41 36.65 40.40 44.29 48.07 51.19 49.74 47.30 40.68 38.63 37.35 41.30
1981 39.39 34.39 36.77 40.10 43.74 47.73 52.26 52.81 46.77 38.06 37.27 33.48 41.90
1982 31.68 33.54 32.97 35.57 42.03 49.80 50.74 50.94 ----- z 41.10 33.47 32.23 39.46
1983 35.48 37.79 38.52 36.93 44.16 48.00 50.58 51.16 42.27 37.03 38.80 28.13 40.74
1984 36.32 37.52 38.55 38.20 42.97 47.33 49.06 48.03 41.87 36.13 34.03 29.35 39.95
1985 29.10 29.71 31.52 38.20 42.74 46.53 51.94 47.71 42.40 38.58 24.97 24.84 37.35
1986 37.52 33.46 38.39 38.53 45.84 49.50 50.77 53.26 45.93 42.06 39.17 34.94 42.45
1987 33.19 38.04 38.57 a 41.30 44.90 49.07 52.58 51.19 46.70 38.61 41.70 31.03 42.24
1988 33.55 35.52 35.26 39.93 44.81 48.03 50.48 51.06 46.00 46.23 39.03 34.77 42.06
1989 33.77 25.32 35.61 39.57 44.10 50.60 51.77 52.45 45.70 40.97 40.07 34.97 41.24
1990 36.16 30.96 35.65 40.77 44.39 50.03 54.13 54.03 49.10 40.87 39.53 28.35 42.00
1991 30.87 37.43 33.77 38.70 44.90 47.53 52.39 54.03 47.37 39.35 39.47 37.94 41.98
1992 37.10 38.69 36.97 41.17 45.45 51.37 54.16 52.29 46.13 43.65 38.27 31.97 43.10
1993 28.32 32.32 36.65 41.23 48.13 50.10 51.35 52.42 46.10 43.23 32.13 32.84 41.24
1994 36.58 31.61 35.84 40.90 45.74 47.57 52.48 52.48 49.03 41.42 34.03 33.87 41.80
1995 39.26 34.25 35.19 38.03 45.39 49.20 54.13 49.74 49.63 ----- z 39.73 36.97 42.87
1996 ----- z 32.14 34.65 41.53 42.68 ----- z 52.16 50.84 46.40 42.90 35.53 33.06 41.19
1997 34.16 33.96 36.68 38.77 46.90 49.43 52.06 53.65 50.53 43.68 40.17 36.65 43.05
1998 35.45 38.68 38.06 38.50 46.71 51.13 56.42 52.84 48.40 41.94 40.20 32.81 43.43
1999 35.55 35.93 35.00 35.80 40.32 48.97 50.45 54.27 a 44.83 39.71 40.50 36.03 41.45
2000 32.19 34.41 35.48 39.10 44.77 a 48.60 51.84 49.77 a 47.70 41.77 33.17 33.26 41.01
2001 35.97 31.14 34.74 37.97 42.30 a 46.97 51.06 52.55 48.43 40.67 a 40.57 36.20 a 41.55
2002 35.97 32.86 33.87 37.50 42.45 49.31 a 52.61 50.94 45.63 39.45 38.00 35.29 41.16
2003 37.42 32.43 38.16 40.07 43.65 50.20 ----- z 52.29 47.37 45.42 ----- z 35.64 c 42.26
2004 33.23 35.93 38.10 40.50 45.94 50.57 55.42 56.68 49.17 43.55 35.63 34.16 43.24
2005 32.74 29.36 37.89 d 40.30 48.52 50.90 53.19 54.06 46.53 47.87 38.00 34.94 42.86
2006 38.68 32.68 37.06 39.47 44.32 51.93 55.06 52.13 48.67 42.23 39.40 35.42 g 43.78
2007 30.26 37.39 39.55 41.33 43.71 50.80 55.68 53.10 49.00 42.29 37.17 34.81 42.92
2008 32.52 34.93 35.52 36.43 45.87 47.83 52.13 54.81 47.07 40.23 42.79 p ----- z 42.73
2009 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2010 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 32.66 33.92 35.34 38.44 43.19 47.97 50.89 50.83 46.62 41.77 37.25 33.97 40.99
S.D. 4.46 3.24 2.27 2.32 2.33 2.17 2.53 2.66 2.50 2.70 3.09 2.89 1.35
SKEW -0.96 -0.49 0.15 0.30 0.57 0.35 -0.19 0.10 0.15 0.23 -0.66 -0.49 -0.32
MAX 43.13 42.39 42.77 48.17 54.26 55.93 59.63 59.48 55.83 50.23 44.20 40.06 43.90
MIN 16.81 22.93 29.71 33.03 34.52 42.33 40.13 41.90 36.90 36.04 24.97 24.84 37.35
NO YRS 107 108 107 109 110 109 108 109 109 108 105 106 96