SNAKE RIVER, WYOMING

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(488315)

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
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.90 27.97 20.10 9.53 -2.44 d 18.01
1949 -13.52 d 1.33 d 15.28 f 17.61 b 30.23 a 34.23 36.77 39.12 n 29.60 22.77 e 18.03 5.71 18.28
1950 3.52 h 9.19 l 11.08 e 18.47 21.29 c 32.04 c 36.55 37.58 31.90 a 25.14 b 15.57 b 13.61 24.32
1951 1.35 5.79 4.12 o 24.86 p 28.21 g 31.37 37.50 a 39.19 28.52 a 24.55 5.80 6.84 20.10
1952 4.39 -1.83 4.00 a 18.70 28.73 a 33.07 36.26 36.48 28.31 a 17.61 2.72 a 6.84 17.94
1953 18.94 3.78 a 9.48 14.57 25.68 32.17 38.32 35.55 27.27 23.27 a 19.10 5.39 21.12
1954 11.13 8.29 6.10 22.13 27.71 33.77 39.42 34.03 27.04 b 17.48 15.60 -4.68 19.83
1955 -3.74 -2.82 -0.65 17.77 25.60 a 33.13 38.71 37.77 29.53 20.68 9.97 8.55 17.88
1956 5.48 -5.83 4.84 19.13 29.87 32.31 a 37.68 34.58 26.50 22.26 1.17 4.10 17.67
1957 -9.06 9.54 8.87 19.93 29.13 34.66 a 37.45 35.68 28.37 24.55 18.08 q ----- z 21.91
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1959 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1960 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1961 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1963 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1964 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1965 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1966 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1967 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1968 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1969 7.58 3.89 0.29 24.10 28.42 35.50 36.52 35.19 29.87 20.81 9.03 5.35 19.71
1970 8.48 1.68 7.58 14.81 i 26.81 35.76 i 39.23 35.94 26.67 16.65 15.90 3.77 18.27
1971 7.87 1.64 9.39 14.05 j 26.06 32.13 37.03 40.00 26.57 23.10 9.07 1.61 19.50
1972 4.35 7.59 15.77 20.30 25.55 35.37 36.32 38.87 28.50 21.87 13.30 -2.42 20.45
1973 -1.94 2.43 7.94 15.13 g 25.45 33.77 38.16 37.19 ----- z 22.10 16.24 e 7.29 18.86
1974 4.32 1.96 c 13.85 e 18.96 c 25.15 k 32.47 38.00 34.39 22.30 18.58 9.33 -3.39 17.34
1975 -2.61 -1.48 a 7.55 14.37 c 22.94 30.83 41.00 31.35 23.33 19.33 a 2.83 5.58 16.25
1976 1.77 -1.93 -3.06 17.50 b 26.17 a 30.96 c 36.90 34.15 d 28.53 17.68 c 10.66 a -6.26 16.09
1977 -6.55 -4.46 1.77 15.56 e 28.50 c 37.60 38.32 37.23 27.48 a 18.84 11.21 b 4.45 17.50
1978 8.06 5.04 10.55 22.10 26.23 a 32.67 37.82 c 31.97 27.59 a 15.97 a 9.77 -11.52 18.02
1979 -14.13 3.29 7.42 17.90 25.07 a 31.74 c 36.71 37.93 a 26.53 20.59 d -0.47 -0.32 16.02
1980 -0.94 6.00 7.65 15.20 29.77 a 34.00 38.45 35.61 29.14 b 17.81 10.67 5.90 19.11
1981 -0.35 2.68 12.10 22.24 a 30.90 35.00 35.48 35.03 27.87 22.03 14.83 5.42 20.27
1982 -2.81 -4.93 11.42 12.50 24.26 33.70 39.77 36.54 c 28.50 f 22.16 3.31 a 0.67 a 16.05
1983 -0.74 2.82 11.90 15.10 a 23.84 31.70 36.94 41.35 26.13 22.42 14.93 -3.10 18.61
1984 -1.03 -6.34 10.90 ----- z 25.94 32.73 39.39 39.06 27.48 a 12.94 6.50 b -10.00 16.14
1985 -11.26 -14.29 0.84 18.67 28.45 34.23 40.10 31.68 ----- z ----- z ----- z ----- z 16.05
1986 -0.48 11.50 13.13 20.37 22.81 35.43 36.13 a 35.21 b 27.10 ----- z 8.13 -11.26 18.01
1987 -7.32 0.46 ----- z 16.07 30.45 33.27 37.29 31.23 23.37 11.94 10.53 -1.13 16.92
1988 -8.74 -5.48 1.23 17.33 24.71 33.90 32.80 a 28.37 a 21.53 18.45 9.77 -4.03 14.15
1989 -5.13 -3.93 10.87 17.57 26.03 31.63 36.55 33.13 23.83 20.65 7.70 -4.81 16.17
1990 2.48 -4.21 6.77 21.00 25.94 32.47 37.74 35.61 29.57 17.90 10.77 -15.58 16.70
1991 -8.26 2.18 6.26 17.07 26.45 32.53 34.71 36.10 27.30 15.52 5.77 -8.68 15.58
1992 -9.10 5.69 15.13 21.30 28.97 34.07 35.48 32.03 23.70 20.23 5.47 -2.94 17.50
1993 -5.39 -5.21 9.94 19.30 28.13 33.23 32.97 32.58 24.53 20.03 -2.27 0.48 15.69
1994 3.81 -5.00 7.16 17.83 27.26 32.00 34.74 31.81 23.27 19.48 -0.47 2.55 16.20
1995 -4.29 9.68 9.48 17.50 25.19 31.90 34.81 30.26 23.10 14.55 17.60 1.13 17.58
1996 -1.74 -0.79 8.23 17.13 26.74 32.43 38.58 32.52 25.93 17.32 12.17 8.19 18.06
1997 -0.03 -4.39 6.77 14.70 27.45 36.13 37.35 36.97 ----- z 18.71 10.23 -7.81 16.01
1998 7.00 2.36 8.16 18.10 27.94 32.13 39.26 35.48 34.63 22.84 19.17 1.74 20.73
1999 7.81 2.82 6.77 18.40 26.10 33.53 35.58 37.61 24.60 17.68 15.60 2.26 19.06
2000 7.87 7.45 9.81 22.57 29.70 a 33.23 37.71 36.03 26.50 22.87 1.42 f -3.39 c 20.94
2001 -7.00 3.07 12.03 19.11 c 27.77 35.33 40.26 35.68 29.03 19.30 a 15.56 e 0.87 a 19.25
2002 2.00 -8.04 8.00 20.73 27.42 36.33 41.19 33.37 a 28.40 17.77 6.73 2.94 18.07
2003 11.87 ----- z ----- z 22.06 m 29.42 33.50 39.19 38.68 27.50 21.97 a 5.87 4.89 c 23.65
2004 -1.39 2.07 14.03 22.30 29.26 35.27 38.58 35.39 29.37 24.58 8.27 9.47 a 20.60
2005 7.16 -4.43 13.19 d 18.46 q 30.42 34.67 38.71 36.35 28.30 23.81 10.88 e 2.19 20.11
2006 5.94 -1.54 5.83 a 22.48 e 28.45 b ----- z ----- z ----- z ----- z ----- z ----- z ----- z 12.23
Period of Record Statistics
MEAN 0.26 0.62 8.15 18.59 27.09 33.43 37.49 35.30 27.08 19.93 9.82 0.53 17.99
S.D. 7.20 5.38 4.30 2.67 2.23 1.54 1.87 2.72 2.60 3.11 5.41 6.28 1.81
SKEW 0.09 -0.23 -0.60 -0.04 -0.38 0.55 -0.36 -0.23 0.06 -0.44 -0.25 -0.49 -0.03
MAX 18.94 11.50 15.77 24.10 30.90 37.60 41.19 41.35 34.63 25.14 19.17 13.61 21.12
MIN -14.13 -14.29 -3.06 12.50 21.29 30.83 32.80 28.37 21.53 11.94 -2.27 -15.58 14.15
NO YRS 46 45 43 40 45 45 46 46 43 45 44 45 29