SNAKE RIVER, WYOMING

Monthly Extreme 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 25.00 20.00 11.00 -18.00 -37.00 d -37.00
1949 -37.00 d -31.00 d -24.00 f 0.00 b 20.00 a 25.00 27.00 29.00 n 18.00 15.00 e 1.00 -12.00 -37.00
1950 -24.00 h -10.00 l -17.00 e -2.00 6.00 c 26.00 c 27.00 26.00 18.00 a 7.00 b -15.00 b -14.00 -24.00
1951 -39.00 -43.00 -27.00 o 9.00 p 16.00 g 21.00 27.00 a 26.00 15.00 a 0.00 -23.00 -24.00 -43.00
1952 -29.00 -26.00 -21.00 a 4.00 21.00 a 27.00 27.00 25.00 17.00 a 10.00 -28.00 a -31.00 -31.00
1953 1.00 -28.00 a -12.00 -5.00 9.00 23.00 28.00 27.00 18.00 11.00 a -4.00 -21.00 -28.00
1954 -22.00 -17.00 -24.00 7.00 15.00 24.00 27.00 24.00 16.00 b 9.00 -16.00 -33.00 -33.00
1955 -32.00 -28.00 -36.00 0.00 15.00 a 26.00 10.00 27.00 17.00 7.00 -38.00 -36.00 -38.00
1956 -34.00 -39.00 -31.00 -10.00 17.00 26.00 a 25.00 21.00 14.00 1.00 -26.00 -17.00 -39.00
1957 -32.00 -15.00 -16.00 3.00 19.00 28.00 a 26.00 26.00 21.00 14.00 8.00 q ----- z -32.00
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 -18.00 -15.00 -21.00 14.00 21.00 28.00 27.00 22.00 19.00 7.00 -13.00 -24.00 -24.00
1970 -31.00 -20.00 -14.00 -8.00 i 9.00 27.00 i 25.00 27.00 14.00 -8.00 -12.00 -32.00 -32.00
1971 -37.00 -28.00 -31.00 -4.00 j 20.00 23.00 28.00 26.00 13.00 -5.00 -11.00 -31.00 -37.00
1972 -37.00 -29.00 -6.00 7.00 1.00 28.00 27.00 33.00 18.00 -12.00 -18.00 -38.00 -38.00
1973 -29.00 -25.00 -11.00 -5.00 g 13.00 21.00 25.00 26.00 ----- z 13.00 -13.00 e -16.00 -29.00
1974 -39.00 -29.00 c -17.00 e -1.00 c 14.00 k 24.00 26.00 24.00 15.00 9.00 -13.00 -29.00 -39.00
1975 -33.00 -29.00 a -16.00 -7.00 c 6.00 25.00 29.00 24.00 14.00 3.00 a -15.00 -20.00 -33.00
1976 -21.00 -28.00 -27.00 -4.00 b 15.00 a 22.00 c 29.00 23.00 d 15.00 5.00 c -27.00 a -20.00 -28.00
1977 -26.00 -17.00 -18.00 -11.00 e 16.00 c 29.00 25.00 25.00 18.00 a 9.00 -10.00 b -20.00 -26.00
1978 -37.00 -24.00 -13.00 -4.00 16.00 a 25.00 31.00 c 24.00 13.00 a 5.00 a -13.00 -46.00 -46.00
1979 -43.00 -37.00 -17.00 -3.00 13.00 a 22.00 c 28.00 27.00 a 20.00 -1.00 d -27.00 -25.00 -43.00
1980 -37.00 -26.00 -19.00 -8.00 22.00 a 27.00 31.00 24.00 22.00 b 2.00 -11.00 -17.00 -37.00
1981 -14.00 -35.00 0.00 -1.00 a 19.00 27.00 22.00 29.00 19.00 14.00 -9.00 -20.00 -35.00
1982 -28.00 -44.00 -11.00 -10.00 5.00 23.00 27.00 28.00 c 21.00 f 5.00 -25.00 a -26.00 a -44.00
1983 -25.00 -29.00 -19.00 -11.00 a 12.00 23.00 23.00 28.00 7.00 13.00 -15.00 -35.00 -35.00
1984 -41.00 -21.00 -22.00 ----- z 8.00 22.00 28.00 32.00 11.00 a -7.00 -10.00 b -31.00 -41.00
1985 -43.00 -42.00 -25.00 3.00 16.00 25.00 33.00 25.00 ----- z ----- z ----- z ----- z -43.00
1986 -23.00 -25.00 -4.00 -5.00 11.00 26.00 22.00 a 28.00 b 17.00 ----- z -26.00 -25.00 -26.00
1987 -28.00 -20.00 ----- z 2.00 20.00 20.00 26.00 21.00 14.00 3.00 -15.00 -25.00 -28.00
1988 -31.00 -26.00 -24.00 -3.00 2.00 25.00 22.00 a 20.00 a 11.00 11.00 -18.00 -22.00 -31.00
1989 -33.00 -39.00 -26.00 -7.00 14.00 23.00 28.00 24.00 16.00 4.00 -18.00 -28.00 -39.00
1990 -25.00 -28.00 -16.00 8.00 10.00 25.00 30.00 23.00 24.00 5.00 -16.00 -43.00 -43.00
1991 -33.00 -16.00 -22.00 2.00 10.00 20.00 30.00 26.00 18.00 -10.00 -22.00 -27.00 -33.00
1992 -23.00 -19.00 0.00 7.00 18.00 21.00 26.00 16.00 9.00 10.00 -23.00 -33.00 -33.00
1993 -27.00 -33.00 -24.00 3.00 19.00 24.00 24.00 20.00 14.00 1.00 -30.00 -20.00 -33.00
1994 -30.00 -30.00 -17.00 4.00 19.00 22.00 23.00 23.00 14.00 3.00 -26.00 -26.00 -30.00
1995 -40.00 -15.00 -5.00 3.00 9.00 24.00 24.00 21.00 10.00 1.00 -5.00 -24.00 -40.00
1996 -38.00 -41.00 -26.00 5.00 15.00 26.00 28.00 24.00 15.00 -5.00 -10.00 -37.00 -41.00
1997 -25.00 -29.00 -18.00 -4.00 12.00 26.00 26.00 29.00 ----- z 2.00 -6.00 -25.00 -29.00
1998 -12.00 -22.00 -25.00 -3.00 21.00 21.00 32.00 25.00 26.00 13.00 5.00 -33.00 -33.00
1999 -22.00 -19.00 -25.00 1.00 11.00 24.00 27.00 27.00 10.00 10.00 1.00 -13.00 -25.00
2000 -26.00 -26.00 -10.00 6.00 19.00 a 24.00 31.00 23.00 14.00 9.00 -13.00 f -26.00 c -26.00
2001 -24.00 -28.00 -18.00 -2.00 c 12.00 26.00 31.00 27.00 20.00 10.00 a -11.00 e -23.00 a -28.00
2002 -28.00 -36.00 -29.00 7.00 9.00 28.00 32.00 26.00 a 16.00 -2.00 -14.00 -27.00 -36.00
2003 -10.00 ----- z ----- z 10.00 m 14.00 23.00 30.00 26.00 16.00 7.00 a -18.00 -15.00 c -18.00
2004 -28.00 -23.00 -3.00 15.00 21.00 28.00 28.00 28.00 22.00 10.00 -23.00 -32.00 a -32.00
2005 -18.00 -29.00 -4.00 d 6.00 q 19.00 26.00 29.00 22.00 20.00 17.00 -14.00 e -31.00 -31.00
2006 -13.00 -28.00 -26.00 a 9.00 e 19.00 b ----- z ----- z ----- z ----- z ----- z ----- z ----- z -28.00
Period of Record Statistics
MEAN -28.26 -27.49 -17.81 0.22 14.18 24.49 26.89 25.07 16.23 5.24 -15.86 -26.44 -34.17
S.D. 9.36 7.77 8.72 6.48 5.45 2.38 3.74 3.10 3.99 6.95 8.80 7.86 4.77
SKEW 0.77 -0.32 0.31 0.17 -0.54 -0.08 -1.91 -0.15 0.04 -0.65 0.02 -0.27 0.26
MAX 1.00 -15.00 0.00 15.00 22.00 29.00 33.00 33.00 26.00 17.00 5.00 -12.00 -24.00
MIN -43.00 -44.00 -36.00 -11.00 1.00 20.00 10.00 16.00 7.00 -12.00 -38.00 -46.00 -43.00
NO YRS 46 45 43 40 45 45 46 46 43 45 44 45 24