SNAKE RIVER, WYOMING

Monthly Average 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 56.00 48.48 38.68 20.17 10.04 f 40.83
1949 2.14 f 13.62 d 26.12 g 35.11 b 44.83 a 50.52 57.69 59.38 n 49.38 35.46 f 31.60 16.34 37.39
1950 12.89 h 21.84 l 24.15 g 32.22 36.86 c 49.00 c 55.19 56.74 47.78 a 39.88 b 25.75 b 22.97 40.71
1951 12.84 19.07 16.81 o 37.32 p 44.87 h 46.05 58.10 a 55.35 46.59 b 35.71 19.97 15.05 34.30
1952 14.00 13.78 18.73 a 35.75 43.95 a 51.47 56.40 56.63 50.50 b 40.03 18.57 a 17.00 34.73
1953 25.72 m 17.44 a 24.84 29.10 38.81 50.43 60.29 56.85 49.35 41.70 a 30.47 15.95 37.75
1954 19.53 22.75 20.42 34.88 44.21 48.22 59.89 54.68 47.89 b 35.56 30.00 10.71 35.73
1955 8.69 11.52 14.95 30.23 41.37 a 49.17 58.02 a 58.42 47.88 38.03 19.98 17.74 33.00
1956 15.95 9.83 20.11 33.77 44.84 51.79 a 58.47 54.90 47.92 37.29 18.33 16.53 34.14
1957 5.69 22.00 23.48 33.17 43.89 50.03 a 57.69 56.73 47.50 37.60 28.77 q ----- z 37.78
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 16.68 15.50 16.87 36.33 45.73 50.35 57.34 58.23 50.28 33.89 24.60 16.85 35.22
1970 16.85 18.50 21.19 27.43 i 41.48 50.86 i 59.16 58.90 44.13 32.19 26.03 14.16 33.26
1971 16.42 15.75 20.29 28.28 l 42.68 49.97 57.79 62.18 44.10 36.40 22.85 12.05 34.59
1972 13.92 18.95 28.13 32.80 42.40 52.05 56.37 58.40 44.85 37.21 23.88 9.76 34.89
1973 11.40 17.61 22.52 28.83 g 42.66 51.03 58.23 57.40 ----- z 38.40 24.81 f 18.21 35.27
1974 14.23 16.44 c 23.46 e 30.93 c 39.40 k 53.17 60.18 54.98 46.48 39.92 22.65 11.23 33.97
1975 10.21 13.57 a 20.44 26.10 d 36.24 47.77 59.65 51.42 45.40 33.85 a 17.85 18.03 31.71
1976 13.76 13.91 15.63 31.80 c 42.67 d 48.22 e 58.06 52.27 g 47.95 35.69 e 24.56 c 11.60 31.26
1977 9.65 16.12 18.06 34.98 e 41.70 h 55.38 57.53 55.16 44.32 b 36.58 24.17 c 16.48 a 33.49
1978 17.39 17.71 26.08 34.17 39.67 b 50.25 57.83 e 52.84 45.48 b 35.93 b 22.55 2.92 a 33.57
1979 1.29 15.82 22.58 31.00 40.59 b 50.62 f 58.00 a 56.25 a 50.08 37.02 h 16.08 16.18 30.79
1980 12.11 20.45 21.73 32.70 43.40 a 50.32 56.89 52.79 46.62 b 35.47 24.78 20.39 34.80
1981 17.66 17.80 27.81 35.34 a 42.11 49.37 55.87 58.26 49.68 34.42 27.38 17.35 36.09
1982 9.90 11.43 23.89 26.33 38.27 49.62 56.02 57.73 e 46.12 j 33.87 17.53 a 14.36 c 30.81
1983 14.69 17.61 25.19 28.50 a 38.52 47.22 56.15 58.76 45.48 38.00 24.02 8.81 33.58
1984 11.71 13.07 23.84 ----- z 40.26 47.67 57.73 57.05 43.54 b 29.34 20.19 c 6.60 31.91
1985 6.81 5.18 17.47 34.22 44.47 52.05 59.60 52.50 ----- z ----- z ----- z ----- z 34.04
1986 15.15 21.39 28.02 32.66 a 39.85 54.77 53.60 a 55.89 c 42.32 ----- z 21.50 8.03 33.92
1987 9.65 18.12 ----- z 37.58 46.83 a 52.25 55.06 52.52 48.33 36.24 23.92 12.68 35.74
1988 7.98 a 13.67 18.60 33.78 43.44 55.83 58.00 a 53.62 a 43.40 40.97 20.83 10.23 33.36
1989 10.34 11.57 25.16 32.88 41.66 50.42 59.29 53.95 45.93 36.13 22.38 11.32 33.42
1990 16.76 12.36 25.05 36.57 39.73 50.80 58.35 56.16 52.43 33.42 24.92 1.77 34.03
1991 8.15 20.80 21.18 30.27 40.23 50.82 56.69 57.79 46.85 34.13 19.22 9.03 32.93
1992 9.77 21.86 31.21 36.63 47.19 51.15 52.95 54.74 44.12 38.21 18.15 10.29 34.69
1993 9.27 11.55 24.85 31.18 44.19 48.27 48.85 52.02 44.97 35.15 15.27 14.16 31.64
1994 17.10 12.46 24.77 33.87 45.08 50.95 57.29 56.82 47.95 34.47 14.40 14.98 34.18
1995 10.76 22.77 22.55 30.85 39.08 47.87 54.18 53.13 45.30 31.15 27.95 15.69 33.44
1996 12.13 14.45 22.65 31.03 39.06 51.09 b 59.15 55.52 44.27 34.95 24.95 16.98 33.85
1997 12.74 11.77 21.48 27.63 41.97 53.08 55.32 56.18 ----- z 35.11 24.23 8.42 31.63
1998 18.35 17.38 22.76 32.57 43.34 45.33 57.97 52.16 52.77 38.15 27.30 13.70 a 35.15
1999 17.32 15.54 24.02 30.55 38.92 48.67 55.48 57.06 44.32 37.18 31.10 15.23 34.61
2000 17.45 21.09 24.95 36.18 43.30 a 50.00 58.23 57.15 45.50 37.05 14.96 f 11.25 c 36.56
2001 10.26 15.16 26.66 31.79 d 44.39 50.98 59.34 58.53 49.55 35.33 a 28.86 e 12.55 a 35.28
2002 12.68 10.34 20.52 33.03 41.08 52.02 61.19 53.72 a 46.90 32.74 19.95 15.48 33.30
2003 21.50 ----- z ----- z 35.62 m 43.06 50.37 61.37 59.32 45.90 40.18 a 16.88 16.34 c 39.44
2004 12.24 16.36 29.42 36.63 41.56 50.45 56.82 53.89 45.73 37.31 23.18 18.35 a 35.16
2005 18.16 14.21 25.98 d 32.38 q 42.61 48.20 57.94 55.35 45.48 38.48 23.40 e 12.98 34.80
2006 15.85 12.71 20.93 a 35.20 e 43.72 b ----- z ----- z ----- z ----- z ----- z ----- z ----- z 25.69
Period of Record Statistics
MEAN 13.07 15.80 22.82 32.76 42.05 50.33 57.42 55.88 46.83 36.33 22.85 13.56 34.10
S.D. 4.13 3.89 3.64 2.84 2.55 2.20 2.25 2.33 2.44 2.62 4.32 4.31 1.13
SKEW -0.37 -0.12 -0.04 -0.48 -0.22 0.27 -1.25 0.09 0.48 -0.24 0.12 -0.60 -0.43
MAX 21.50 22.77 31.21 37.58 47.19 55.83 61.37 62.18 52.77 41.70 31.60 22.97 36.09
MIN 1.29 5.18 14.95 26.10 36.24 45.33 48.85 51.42 42.32 29.34 14.40 1.77 31.64
NO YRS 44 45 42 40 44 44 46 45 43 43 43 44 25