EVANSTON 1 E, WYOMING

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(483100)

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
1890 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 50.00 z 9999.00
1891 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1892 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1893 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1894 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1895 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1896 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1897 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1898 ----- z ----- z ----- z 30.88 n 32.97 40.50 46.23 48.27 a 35.30 24.16 14.97 0.03 30.30
1899 11.19 6.82 16.65 24.37 30.74 37.97 45.81 41.29 36.60 24.23 22.23 6.19 25.34
1900 13.53 a 8.68 22.00 27.60 33.90 40.57 b 41.87 40.16 32.80 26.45 19.63 11.03 26.52
1901 4.61 10.64 15.87 a 23.07 35.10 34.97 43.35 46.55 30.67 29.19 22.33 13.52 25.82
1902 7.16 17.89 13.00 25.23 31.32 37.47 39.03 40.35 33.40 25.48 17.96 b 8.35 24.72
1903 11.29 -4.82 11.45 24.07 28.58 39.63 41.39 41.97 33.23 26.67 a 17.60 9.68 23.39
1904 5.87 14.28 16.84 26.87 32.61 36.23 42.03 43.10 34.47 27.77 17.17 10.87 25.68
1905 13.77 9.21 23.68 27.10 31.16 37.63 44.35 43.45 35.83 21.71 19.00 3.23 25.84
1906 7.32 12.50 12.74 27.67 32.26 36.33 44.77 44.68 37.00 25.97 17.20 16.16 26.22
1907 11.84 19.29 20.90 29.40 30.90 36.83 a 44.03 a 41.52 35.17 31.71 18.87 11.84 27.69
1908 4.26 6.45 20.26 d 26.20 31.16 35.27 45.71 43.35 35.37 24.81 14.37 10.35 24.80
1909 13.23 9.11 15.32 22.30 30.32 40.40 44.68 47.35 36.13 27.65 20.00 -0.10 25.53
1910 7.58 9.39 26.74 28.00 31.70 a 38.63 46.03 40.58 37.59 a 28.13 22.80 14.42 27.63
1911 13.19 2.89 18.55 23.20 32.03 40.17 42.26 39.52 34.40 24.74 14.60 5.94 24.29
1912 11.71 11.10 14.58 22.83 30.32 38.87 43.71 41.81 30.93 25.81 19.27 4.16 24.59
1913 3.97 5.79 13.87 25.57 32.03 39.93 44.87 a 44.52 36.30 24.74 22.30 5.35 24.94
1914 10.42 8.39 18.16 30.30 34.30 a 38.73 46.55 43.65 34.53 30.77 16.13 0.71 26.05
1915 2.20 a 11.82 18.71 32.37 31.87 35.53 44.26 42.65 36.83 27.68 19.20 10.16 26.11
1916 3.94 10.90 20.03 27.90 26.26 35.10 43.94 42.71 33.87 26.87 11.60 5.58 24.06
1917 0.19 7.14 2.94 21.41 a 30.87 36.30 46.68 41.26 37.40 25.94 21.67 21.19 24.42
1918 12.58 5.89 19.45 23.30 31.13 45.03 46.48 41.13 38.43 31.71 13.93 11.52 26.72
1919 9.03 13.36 18.35 27.67 34.94 41.43 47.48 44.32 39.53 22.23 16.80 5.35 26.71
1920 14.71 15.21 15.29 21.40 33.16 36.17 44.97 42.16 34.43 26.87 16.63 10.42 25.95
1921 10.45 12.78 a 22.77 24.83 34.61 41.70 45.77 45.48 33.23 30.42 21.33 13.71 28.09
1922 -1.84 7.36 9.74 19.87 31.71 40.10 43.39 47.29 38.20 26.84 15.90 11.19 24.15
1923 10.77 2.21 8.74 25.47 34.03 35.93 47.45 42.03 35.60 25.19 20.50 4.23 24.35
1924 2.03 17.34 12.58 24.77 31.03 36.33 41.68 39.00 32.63 25.61 13.70 5.55 23.52
1925 6.42 12.71 19.07 a 26.30 35.52 b 37.33 46.87 a 42.55 37.40 26.81 16.27 15.10 a 26.86
1926 5.52 13.46 17.60 a 29.03 33.68 39.70 45.27 a 43.71 31.03 25.06 22.37 7.61 26.17
1927 10.42 11.07 13.13 23.97 31.13 40.27 44.45 41.97 36.07 27.35 24.33 4.42 25.71
1928 11.42 8.90 20.23 23.17 35.84 35.27 42.35 40.10 34.30 27.52 17.00 a 2.35 24.87
1929 5.06 1.29 16.16 22.63 29.67 a 36.20 46.39 46.90 35.53 26.70 a 15.67 16.00 24.85
1930 -4.61 17.00 17.65 30.47 30.71 35.63 45.39 46.00 35.20 26.32 9.00 2.68 24.29
1931 6.90 14.68 16.35 25.10 31.61 41.70 44.77 43.10 34.13 28.42 8.63 1.90 24.78
1932 -2.81 8.00 14.06 26.87 32.74 37.73 45.13 42.13 33.47 25.68 18.27 -1.00 23.36
1933 5.39 -2.21 15.68 22.30 27.84 40.60 46.23 40.48 36.20 27.71 16.93 14.55 24.31
1934 7.61 18.64 24.10 28.20 34.29 37.67 44.23 44.87 32.67 27.13 20.10 9.32 27.40
1935 5.61 10.25 15.16 24.57 31.00 38.03 43.13 41.32 36.47 24.39 16.41 a 11.77 24.84
1936 8.42 12.45 14.32 26.83 34.10 42.13 48.94 46.23 33.27 27.19 15.17 12.06 26.76
1937 -3.71 5.36 14.19 22.70 33.65 37.23 47.19 43.68 37.83 29.84 20.53 12.48 25.08
1938 11.90 10.68 16.39 25.50 30.03 38.80 41.58 41.97 37.70 27.68 8.50 14.29 25.42
1939 9.87 -0.32 17.00 25.43 31.90 36.00 42.00 40.23 34.07 23.97 14.90 14.55 24.13
1940 8.06 14.10 19.71 25.93 33.32 37.83 44.26 43.03 38.03 28.03 13.10 12.26 26.47
1941 6.30 a 13.57 18.35 24.20 33.23 36.53 44.77 44.97 31.30 27.16 19.63 11.55 25.96
1942 4.16 0.50 10.81 27.20 29.45 35.10 44.74 41.00 34.37 27.45 18.57 11.94 23.77
1943 8.06 11.32 15.26 31.20 30.84 36.67 43.94 45.84 36.40 29.58 19.17 11.55 26.65
1944 0.65 8.66 14.10 26.17 33.58 37.50 43.03 40.13 33.50 29.26 16.47 9.68 24.39
1945 11.03 14.57 15.39 21.93 33.39 36.77 44.87 45.87 31.47 27.26 14.67 5.81 25.25
1946 5.23 8.04 18.71 28.77 30.52 36.47 44.84 41.58 30.53 23.48 10.07 16.35 24.55
1947 -0.61 11.89 18.42 24.87 33.61 36.43 42.39 41.16 32.77 28.39 8.83 7.84 23.83
1948 8.06 4.90 5.90 23.30 29.65 39.43 40.71 40.48 32.07 22.84 8.93 2.61 21.57
1949 -12.65 0.29 15.16 25.03 34.10 36.03 41.32 42.60 z 31.39 b 21.32 15.07 a 5.62 b 19.34
1950 1.29 ----- z 9.77 19.00 27.39 34.87 40.45 39.03 33.37 24.45 16.93 14.61 23.74
1951 -1.23 9.46 6.61 21.20 31.00 33.63 40.45 38.45 27.17 22.26 4.50 -1.52 19.33
1952 -2.77 -4.72 2.10 ----- z 34.65 38.37 42.94 42.13 36.07 24.00 5.77 5.77 20.39
1953 15.06 8.07 16.71 19.93 28.68 36.90 45.26 40.10 32.00 23.45 18.07 5.16 24.12
1954 8.74 8.89 11.03 24.00 32.03 37.33 45.87 38.00 33.27 22.87 18.07 0.23 23.36
1955 -4.13 -0.75 4.55 18.73 30.32 37.90 40.35 42.29 29.33 20.61 5.57 5.84 19.22
1956 6.16 -7.55 8.68 19.10 32.65 39.27 42.19 34.84 29.50 20.84 4.97 0.27 a 19.24
1957 -6.84 8.57 13.84 18.77 30.03 34.83 36.90 39.32 30.87 25.26 12.00 8.65 21.02
1958 1.32 15.68 12.19 21.17 34.23 38.33 40.52 44.55 32.83 23.48 14.67 16.16 24.59
1959 9.53 a 8.39 15.61 23.60 30.16 38.67 42.03 39.71 32.30 23.77 15.60 7.32 23.89
1960 5.87 2.97 18.61 24.73 29.42 38.83 44.26 39.52 36.21 a 24.90 16.20 6.52 24.00
1961 5.52 13.14 15.29 23.23 31.42 42.43 45.52 45.90 32.37 24.74 13.47 8.13 25.10
1962 1.10 13.50 10.29 26.53 30.94 37.10 41.29 38.77 33.57 28.58 16.77 11.10 24.13
1963 2.81 18.04 13.35 21.93 32.77 37.37 43.57 a 44.35 38.23 31.61 18.53 9.71 26.02
1964 2.61 -0.72 5.89 c 24.17 a 31.61 38.10 44.16 40.65 31.27 24.97 16.40 7.93 c 22.25
1965 15.56 d 8.21 8.42 28.17 29.74 38.60 44.61 40.58 31.07 26.61 21.00 6.29 24.91
1966 3.61 1.79 15.06 22.27 32.35 38.47 47.77 42.74 38.67 24.77 22.07 8.81 24.87
1967 13.84 11.04 19.26 23.37 32.35 39.03 45.90 43.29 36.23 ----- z 19.97 6.29 26.42
1968 3.81 14.97 19.32 21.90 30.45 38.67 44.58 42.81 32.90 25.87 14.33 7.74 24.78
1969 12.42 7.18 7.42 25.70 34.06 37.79 a 44.39 45.65 37.50 23.39 16.30 12.58 25.36
1970 12.35 14.29 15.52 20.30 32.13 38.90 44.97 46.32 29.93 20.61 21.57 8.03 25.41
1971 15.35 11.57 15.71 24.80 32.68 37.83 44.81 46.10 31.77 25.77 14.97 4.94 25.52
1972 8.71 10.69 22.23 25.07 31.03 41.30 43.39 43.77 34.83 29.81 15.17 4.97 25.91
1973 1.55 5.32 14.58 21.93 32.84 38.03 44.84 45.42 35.40 28.84 17.27 12.06 24.84
1974 5.71 4.64 22.45 23.47 31.26 39.70 44.77 40.48 33.47 29.16 19.97 9.48 25.38
1975 8.23 10.11 17.65 20.77 28.03 36.86 a 46.48 39.77 32.20 24.55 13.30 13.94 24.32
1976 8.77 9.83 9.97 23.93 35.10 36.07 45.50 a 41.23 38.17 24.00 16.00 9.81 24.86
1977 7.61 10.93 13.35 24.23 30.81 43.17 46.03 45.35 37.10 29.68 21.57 16.23 27.17
1978 13.16 13.25 21.77 26.67 30.26 39.77 43.94 41.13 35.20 27.48 14.33 3.29 25.85
1979 0.84 11.18 19.29 25.07 32.90 37.90 a 44.42 43.90 37.70 28.29 11.13 12.16 25.40
1980 9.58 13.90 14.23 24.50 33.32 36.47 46.03 42.84 36.97 26.23 18.13 15.42 26.47
1981 13.87 13.54 19.68 27.70 33.87 a 40.00 f 43.58 43.58 38.00 26.06 20.47 16.26 26.96
1982 6.65 5.89 17.39 21.05 j 30.97 37.83 44.06 46.84 38.70 26.45 12.13 7.16 24.92
1983 14.87 12.29 22.13 20.60 30.35 37.83 44.94 ----- z ----- z ----- z ----- z ----- z 26.14
1984 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1985 3.47 l 6.93 16.48 35.74 g 35.45 40.59 c 47.71 40.68 ----- z 27.90 b 16.80 7.90 26.72
1986 12.87 19.71 25.74 29.17 34.16 44.87 45.52 47.84 34.93 28.90 21.70 10.97 29.70
1987 7.61 15.79 19.00 29.77 36.45 41.53 45.42 43.97 36.00 29.94 18.80 9.29 27.80
1988 8.10 11.83 16.97 28.23 33.32 44.53 47.13 44.58 36.00 32.16 20.37 8.58 27.65
1989 4.68 5.61 24.10 30.97 34.00 40.37 48.10 44.35 37.77 28.74 20.90 12.77 27.70
1990 12.77 10.50 23.84 29.07 32.06 40.27 48.16 45.97 43.67 28.71 21.77 1.94 28.23
1991 8.06 16.54 21.00 25.47 33.03 39.60 46.42 47.48 38.87 27.16 21.73 8.39 27.81
1992 7.45 17.48 25.17 m 34.40 36.87 41.67 44.97 45.32 37.97 30.81 14.23 7.10 28.93
1993 6.00 6.46 22.32 25.17 37.19 37.43 40.45 43.03 34.90 28.94 11.83 9.94 25.31
1994 14.61 10.00 22.42 29.00 35.29 42.20 46.68 48.84 40.07 29.84 13.83 12.55 28.78
1995 9.39 18.18 21.03 25.00 31.74 38.70 44.10 47.42 39.37 26.71 25.17 17.84 28.72
1996 12.42 14.14 20.23 26.63 35.10 42.93 47.84 44.03 37.00 28.10 21.90 16.10 28.87
1997 9.97 8.68 19.71 25.30 34.68 43.17 44.52 48.61 ----- z 28.84 17.13 6.32 26.08
1998 16.06 15.18 17.10 25.10 33.71 37.23 45.90 47.48 42.63 30.00 22.00 11.10 28.63
1999 16.19 14.93 21.23 25.07 32.84 40.73 46.29 45.52 33.03 a 27.06 22.23 8.77 27.82
2000 16.61 19.38 20.81 29.13 36.68 39.90 48.00 49.90 37.50 29.75 w 11.53 11.35 29.16
2001 7.58 13.00 22.65 29.40 ----- z 41.17 48.97 b 47.97 a 40.27 30.68 22.50 8.03 28.38
2002 9.52 6.71 16.84 29.20 33.74 41.10 49.94 45.52 40.57 26.90 16.90 16.03 27.75
2003 22.06 10.86 24.03 29.47 35.35 41.73 49.87 50.06 37.27 32.39 16.97 16.07 d 30.51
2004 9.19 9.90 23.90 29.10 34.23 41.37 48.26 44.45 37.13 32.06 20.57 14.11 c 28.69
2005 15.74 10.57 21.94 27.04 d 35.65 39.97 48.00 46.55 35.48 a 29.26 21.93 8.21 b 28.36
2006 14.00 9.36 18.23 a 29.30 39.32 47.97 54.57 j ----- z ----- z ----- z ----- z ----- z 26.36
Period of Record Statistics
MEAN 7.54 9.78 16.52 25.31 32.42 38.73 44.68 43.32 35.11 26.77 16.83 9.14 25.47
S.D. 5.76 5.50 5.04 3.17 2.25 2.54 2.35 2.90 2.96 2.70 4.38 4.72 2.06
SKEW -0.59 -0.71 -0.58 0.12 0.09 0.75 -0.39 0.05 0.07 -0.12 -0.71 -0.12 -0.51
MAX 22.06 19.71 26.74 34.40 39.32 47.97 49.94 50.06 43.67 32.39 25.17 21.19 30.51
MIN -12.65 -7.55 2.10 18.73 26.26 33.63 36.90 34.84 27.17 20.61 4.50 -1.52 19.22
NO YRS 106 106 106 104 107 107 107 105 104 104 106 106 94