SNOQUALMIE FALLS, WASHINGTON

Monthly Average 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 43.06 n 39.73 b 43.65 49.23 52.15 58.20 66.24 64.76 63.17 55.47 ----- z ----- z 54.73
1900 46.95 45.93 51.89 56.83 61.08 64.76 a 68.37 a 65.92 62.38 55.35 48.80 ----- z 57.11
1901 ----- z ----- z ----- z 48.12 e 55.43 b 54.40 57.53 61.19 51.82 50.68 47.42 40.69 51.92
1902 42.42 44.23 43.52 47.13 54.94 59.88 63.24 63.58 56.73 52.60 43.78 a 40.63 51.06
1903 39.45 34.50 z 42.48 a 45.90 a 54.73 63.43 ----- z 64.11 57.53 a ----- z 47.06 u 40.35 a 51.00
1904 39.81 38.10 42.32 50.67 53.50 58.75 66.00 63.95 58.55 52.87 48.75 41.23 51.21
1905 37.81 40.48 48.58 49.40 54.50 61.15 65.55 b 65.10 a 59.21 b 45.41 d 42.50 39.98 e 50.81
1906 39.03 a 42.66 44.08 52.98 54.00 58.67 70.47 63.85 59.22 51.90 42.41 c 39.82 a 51.59
1907 29.26 40.90 b 40.74 47.24 a 57.42 59.98 66.18 62.62 e 58.93 52.44 45.28 41.50 50.21
1908 39.26 38.98 42.52 49.05 52.27 58.82 68.21 63.29 56.47 49.06 46.13 35.68 49.98
1909 31.61 39.71 43.39 47.17 53.00 60.90 62.98 61.47 58.95 49.47 43.60 33.15 48.78
1910 36.24 35.54 46.94 49.75 58.69 59.93 66.15 60.84 57.32 51.24 43.08 40.87 50.55
1911 35.61 37.29 45.18 46.90 54.08 59.28 67.18 63.74 56.05 48.71 42.43 39.60 49.67
1912 39.31 43.38 42.79 48.27 57.69 62.45 65.10 63.53 57.40 47.71 44.67 39.34 50.97
1913 33.52 37.41 40.61 49.62 55.18 62.37 c 64.85 66.32 58.55 48.42 44.85 41.46 d 50.26
1914 41.92 41.98 47.50 52.52 59.00 61.43 65.61 64.20 h 56.75 54.66 46.23 35.55 51.20
1915 38.74 44.82 51.05 54.63 56.40 62.18 65.95 66.69 57.70 52.27 41.57 39.85 52.66
1916 27.55 40.38 43.53 50.43 53.89 60.72 63.66 64.98 58.33 46.60 42.35 36.37 49.07
1917 36.45 38.88 40.68 46.69 a 54.76 58.85 67.15 67.40 59.38 51.63 49.98 a 43.50 51.28
1918 42.42 38.55 44.60 50.52 53.58 65.13 67.48 66.90 62.68 52.58 45.03 40.06 52.46
1919 39.81 39.38 44.71 51.20 56.32 60.40 66.95 66.24 59.42 48.10 43.58 35.56 50.97
1920 37.71 37.97 43.92 46.27 54.11 62.67 69.02 67.02 58.58 48.68 44.43 42.34 51.06
1921 40.16 41.98 44.84 48.28 55.58 61.20 63.73 64.81 56.58 51.56 44.70 38.48 50.99
1922 33.60 37.41 42.24 48.40 56.13 63.85 64.77 64.27 59.90 52.21 42.03 35.85 50.06
1923 39.68 35.36 43.66 53.00 c 56.19 61.50 67.13 67.19 59.58 52.50 46.28 40.84 51.91
1924 38.73 46.02 43.63 50.37 60.29 62.62 65.71 64.16 59.28 51.77 44.40 34.98 51.83
1925 41.48 43.54 45.63 50.70 57.32 59.33 65.05 61.97 58.55 47.89 42.57 44.65 51.56
1926 39.45 44.21 48.26 54.82 55.65 62.27 65.44 62.98 55.45 52.52 46.08 38.21 52.11
1927 38.32 40.84 42.24 46.57 51.03 60.45 64.37 64.66 57.55 51.06 44.15 34.40 49.64
1928 40.21 40.40 47.37 48.35 56.87 58.52 64.69 62.48 55.87 50.05 42.88 37.06 50.40
1929 30.16 31.21 43.31 45.95 53.92 58.47 62.73 a 63.08 56.93 53.08 41.32 b 40.89 48.42
1930 29.32 42.75 45.06 52.05 a 52.61 57.10 62.53 63.90 57.80 48.94 42.05 41.29 49.62
1931 43.76 42.46 45.89 50.43 57.39 59.43 63.74 62.11 58.30 50.97 b 40.00 38.89 51.11
1932 36.15 37.24 45.53 49.90 53.21 59.95 60.29 62.45 57.62 51.03 46.20 36.76 49.69
1933 36.76 34.48 42.92 48.00 51.19 56.83 60.76 64.48 55.58 50.76 43.33 42.40 48.96
1934 42.65 45.88 49.16 54.32 56.56 58.65 60.94 62.60 54.88 51.19 47.27 39.84 51.99
1935 37.81 42.80 39.40 f 45.65 51.39 57.15 61.18 60.21 57.65 ----- z 43.69 v 41.52 50.59
1936 41.05 31.21 41.08 51.30 56.82 60.25 62.48 64.26 55.98 51.92 40.92 40.03 49.78
1937 27.02 40.82 ----- z 49.00 u 54.19 60.45 63.32 61.89 58.85 53.03 45.02 40.95 50.55
1938 39.18 42.45 43.42 50.50 54.40 59.92 64.53 60.71 60.78 52.65 41.83 40.79 50.93
1939 41.66 37.12 43.66 51.18 54.39 56.72 62.85 63.39 57.13 50.02 48.03 43.82 50.83
1940 41.52 43.38 46.92 51.30 57.58 59.78 62.73 63.06 60.33 54.16 40.90 42.16 51.99
1941 43.10 a 44.20 49.72 a 51.38 54.52 58.75 66.19 62.73 55.15 51.23 44.78 40.32 51.84
1942 40.15 40.88 45.03 51.48 54.66 58.27 66.89 66.58 58.52 52.47 42.60 40.97 51.54
1943 32.55 43.43 42.94 51.80 51.92 57.97 64.02 62.74 60.18 50.98 46.85 38.47 50.32
1944 40.65 39.33 42.19 50.05 b 53.61 58.95 63.55 62.90 59.92 54.05 43.52 40.08 50.73
1945 41.31 41.16 42.40 45.68 55.55 57.42 64.10 62.69 55.58 50.65 41.73 38.53 49.73
1946 39.48 40.95 43.27 47.48 57.00 57.28 63.98 62.89 58.33 46.19 40.55 37.44 49.57
1947 34.90 42.48 45.92 51.22 57.32 58.38 61.85 60.95 56.58 51.44 41.97 41.35 50.36
1948 37.19 37.76 42.10 45.67 52.73 61.05 a 61.47 61.31 55.63 49.63 40.30 35.08 48.33
1949 28.56 36.87 a 43.81 49.57 55.73 56.47 60.11 61.61 58.28 a 46.76 50.10 37.85 48.81
1950 24.27 39.70 42.15 46.22 50.24 59.03 61.95 63.15 56.90 49.00 42.45 44.56 48.30
1951 37.13 39.59 39.35 49.12 54.13 59.72 63.40 60.02 58.18 49.82 42.95 35.27 49.06
1952 34.94 40.05 41.77 49.57 53.87 55.80 62.90 62.89 58.93 52.02 40.15 39.82 49.39
1953 44.27 40.73 43.35 47.42 53.74 55.53 62.02 63.05 58.48 51.45 47.28 42.84 50.85
1954 35.00 42.12 40.31 45.72 53.35 55.70 59.06 60.07 b 56.75 49.98 48.67 a 41.24 49.00
1955 37.82 37.14 37.73 44.10 50.11 57.60 59.00 60.05 55.45 49.52 37.67 36.83 a 46.92
1956 38.55 34.46 a 41.19 49.33 a 56.84 56.85 64.10 62.84 57.18 48.11 41.83 40.02 49.28
1957 30.81 36.96 e 44.18 49.47 57.21 59.68 61.00 b 60.31 61.28 49.56 42.45 43.31 49.68
1958 44.08 48.52 43.76 49.30 59.58 64.38 70.00 66.40 58.67 53.73 42.65 45.40 53.87
1959 40.21 40.43 44.00 49.10 52.94 59.63 64.02 62.00 56.97 51.18 43.78 40.90 50.43
1960 38.52 41.72 43.84 49.92 52.48 59.10 65.55 62.48 57.68 52.56 43.77 40.37 50.67
1961 45.44 44.45 46.16 47.83 54.10 61.95 65.89 66.84 57.03 49.94 41.85 38.61 51.67
1962 38.39 43.55 42.52 51.18 51.13 58.15 62.31 62.60 59.55 51.97 46.43 42.32 50.84
1963 33.10 48.12 43.69 47.60 55.47 57.50 60.79 62.81 61.80 53.47 44.53 41.21 50.84
1964 40.79 40.71 43.89 46.22 52.05 57.88 62.40 61.08 55.73 53.11 40.33 35.74 49.16
1965 39.15 41.30 44.50 50.20 51.87 58.73 65.29 64.13 55.67 53.60 48.43 39.16 51.00
1966 40.21 42.14 45.45 49.48 53.77 59.03 62.05 63.55 60.70 51.10 44.92 43.76 51.35
1967 41.21 42.14 41.75 a 44.47 53.08 61.97 63.37 67.16 62.03 53.11 46.05 39.58 51.33
1968 39.08 46.31 47.16 45.88 54.10 57.97 64.34 60.94 57.15 50.29 44.75 34.92 50.24
1969 31.15 40.00 43.95 47.85 55.84 62.23 61.77 60.74 58.48 49.61 45.75 42.61 50.00
1970 39.76 45.84 44.31 45.05 52.82 60.60 62.85 61.74 55.75 50.32 44.42 36.92 50.03
1971 39.02 40.25 40.19 46.90 53.15 54.57 63.19 65.52 55.60 48.90 44.05 36.89 49.02
1972 35.03 40.78 45.74 44.98 55.32 58.02 63.15 64.13 55.08 47.56 44.72 36.44 49.25
1973 37.87 44.23 43.77 47.77 54.87 57.52 62.65 59.06 58.43 49.84 40.12 42.50 49.89
1974 36.58 40.84 42.60 47.43 50.71 58.17 60.58 63.29 61.43 50.50 44.75 42.06 49.91
1975 38.23 39.98 40.79 43.35 52.94 55.60 62.85 59.61 58.47 49.32 42.95 41.13 48.77
1976 41.15 39.59 40.47 47.68 52.47 54.75 60.95 59.79 58.18 49.13 ----- z 41.95 49.65
1977 35.13 46.46 42.32 50.73 51.34 60.03 61.44 66.74 55.68 49.79 42.47 40.18 50.19
1978 42.84 44.57 46.98 48.53 52.19 62.08 63.69 62.34 56.85 51.19 38.85 34.77 50.41
1979 34.58 39.88 46.26 48.02 b 54.94 58.65 64.58 62.92 a 60.73 52.29 42.97 43.68 50.79
1980 33.40 43.03 43.40 51.42 53.44 56.53 62.27 60.03 57.45 52.10 45.78 43.69 50.21
1981 46.27 42.84 46.98 48.72 53.08 56.55 62.05 65.98 58.82 48.02 45.73 39.84 51.24
1982 37.89 41.14 43.05 46.58 53.27 61.48 61.42 62.95 ----- z 50.79 41.00 39.10 48.97
1983 43.58 46.05 47.68 49.17 55.92 57.97 61.26 63.03 54.73 48.06 45.77 33.61 50.57
1984 41.95 43.69 46.90 47.17 51.65 56.87 62.50 61.92 55.53 46.40 41.47 35.05 49.26
1985 37.29 37.80 41.61 48.07 53.63 58.37 67.39 62.60 54.95 48.74 32.27 32.40 47.93
1986 45.05 41.66 48.03 46.62 54.82 61.27 60.50 66.73 56.02 52.26 44.22 40.39 51.46
1987 38.84 45.84 46.97 a 51.22 55.45 61.17 63.13 64.32 60.00 52.29 47.67 36.65 51.96
1988 39.77 43.33 44.16 49.15 54.56 58.15 63.16 63.50 58.28 53.58 44.48 40.77 51.08
1989 39.50 33.20 42.68 51.37 53.84 61.38 61.90 63.11 59.87 50.45 45.78 40.23 50.28
1990 41.60 37.95 45.31 50.28 52.90 58.75 66.13 65.50 60.42 49.03 45.67 34.06 50.63
1991 37.18 46.43 42.45 47.43 52.40 55.72 63.97 65.60 59.48 50.35 45.47 42.85 50.78
1992 42.73 46.53 47.92 51.88 57.27 62.20 63.74 64.82 56.85 52.26 44.07 37.37 52.30
1993 35.34 40.45 45.94 49.08 58.29 58.25 58.98 63.02 58.98 52.65 39.37 38.77 49.93
1994 42.84 38.07 46.26 49.85 55.21 57.42 64.74 64.39 61.05 50.53 39.88 39.63 50.82
1995 44.76 42.43 45.06 48.45 56.11 59.43 64.82 60.45 61.32 ----- z 47.52 41.95 52.03
1996 ----- z 41.10 44.40 50.43 50.95 ----- z 65.26 63.73 56.35 50.65 42.38 38.06 50.33
1997 39.55 41.95 43.97 48.23 57.24 58.20 62.55 65.61 61.18 50.69 48.35 42.63 51.68
1998 41.00 45.29 46.11 48.13 54.10 59.45 66.40 64.61 61.13 51.85 45.75 38.42 51.85
1999 40.92 41.89 43.31 46.65 50.26 56.97 60.87 64.05 a 57.80 49.50 47.05 41.73 a 50.08
2000 38.69 42.57 43.66 49.77 53.58 a 59.02 62.13 62.15 a 58.38 50.48 40.65 39.35 50.04
2001 41.77 39.95 44.29 47.35 53.27 a 56.65 61.73 63.48 58.80 49.10 a 46.60 41.63 a 50.39
2002 40.23 40.29 40.50 46.38 51.81 59.86 a 63.32 63.11 58.30 48.71 46.20 41.55 50.02
2003 44.63 40.23 45.32 47.98 53.29 61.08 ----- z 65.53 59.60 53.47 ----- z 40.29 c 51.14
2004 39.16 42.84 46.61 51.72 55.31 62.02 68.92 68.98 60.57 53.92 44.10 40.29 52.87
2005 40.34 40.27 48.93 d 49.28 56.95 57.73 64.79 66.35 57.70 54.74 42.85 39.90 51.65
2006 43.16 40.11 45.02 49.28 54.52 61.32 66.69 64.35 60.02 50.37 44.15 40.58 g 52.64
2007 37.02 43.77 46.48 49.28 54.24 59.13 66.02 63.56 58.28 49.84 42.92 38.97 50.79
2008 37.31 41.41 41.76 44.00 53.26 55.50 62.37 63.60 57.33 48.82 48.50 p ----- z 50.54
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 38.48 41.11 44.26 48.91 54.45 59.27 63.81 63.47 58.15 50.82 43.93 39.58 50.47
S.D. 4.28 3.31 2.50 2.43 2.22 2.27 2.45 2.04 2.02 2.06 2.79 2.79 1.17
SKEW -0.87 -0.42 0.40 0.35 0.44 0.22 0.26 0.15 0.08 -0.16 -0.54 -0.45 -0.12
MAX 46.95 48.52 51.89 56.83 61.08 65.13 70.47 68.98 63.17 55.47 50.10 45.40 53.87
MIN 24.27 31.21 37.73 43.35 50.11 54.40 57.53 59.06 51.82 45.41 32.27 32.40 46.92
NO YRS 107 108 107 109 110 109 108 109 109 107 104 106 96