COUNCIL, IDAHO

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(102187)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1911 ----- z ----- z ----- z ----- z ----- z ----- z 56.55 50.81 43.60 ----- z 22.61 g 17.94 42.22
1912 13.58 22.69 25.39 34.10 41.29 51.17 51.54 c 50.40 a 39.50 33.90 30.47 15.17 g 35.82
1913 11.71 9.89 22.03 34.10 42.94 49.96 b 52.84 53.66 b 42.58 d 31.87 30.87 17.86 b 33.36
1914 20.13 18.85 a 29.39 36.64 b 43.00 c 46.73 55.10 a 52.83 a 42.00 39.00 27.39 b 9.29 c 35.03
1915 13.03 b 25.07 a ----- z 40.47 41.97 45.60 52.32 58.23 44.37 35.87 24.57 17.94 36.31
1916 11.13 a 21.86 29.13 34.73 35.87 44.77 50.94 50.19 42.27 32.00 22.77 12.13 32.32
1917 8.55 15.61 14.68 30.80 39.42 42.93 55.74 54.13 46.33 35.19 30.93 33.10 33.95
1918 23.00 18.75 29.71 32.67 37.94 51.87 54.29 49.29 47.47 38.61 27.20 17.26 35.67
1919 16.52 23.39 27.19 36.20 40.03 47.70 53.71 53.90 43.70 31.45 ----- z ----- z 37.38
1920 11.10 19.21 27.48 30.30 37.71 44.63 54.90 53.13 44.53 34.39 26.70 20.32 33.70
1921 18.23 17.96 27.84 31.07 40.77 48.73 51.77 50.94 36.40 35.87 29.23 21.16 34.16
1922 5.23 15.93 20.58 29.03 37.71 50.17 53.68 53.94 44.03 34.81 22.00 16.10 31.93
1923 18.19 17.71 21.42 32.67 41.10 45.60 53.37 a 51.00 44.87 33.68 26.77 16.48 33.57
1924 8.71 26.62 25.52 32.47 41.26 45.17 53.74 51.39 42.63 34.03 26.50 10.77 33.23
1925 18.26 25.07 a 29.29 c 36.77 44.61 49.63 56.61 50.03 43.97 33.35 27.20 23.10 36.49
1926 13.45 27.07 29.35 39.23 39.71 48.23 57.16 53.52 37.93 35.00 a 32.53 18.57 a 35.98
1927 17.90 23.61 27.16 33.00 38.87 48.40 53.32 50.61 43.03 35.81 33.53 9.52 34.56
1928 17.30 a 15.17 28.65 33.03 44.42 45.50 56.81 49.97 43.63 33.65 27.40 13.52 34.09
1929 6.35 11.93 26.84 31.70 39.13 45.37 51.81 53.61 40.67 31.97 21.23 24.55 32.10
1930 3.84 26.89 29.03 37.90 38.87 43.60 55.03 53.06 43.63 32.32 19.13 6.26 32.46
1931 14.94 14.93 26.32 33.20 40.87 48.10 55.77 52.74 43.23 35.84 21.60 12.52 33.34
1932 12.17 a 13.79 26.68 34.13 41.84 49.80 53.23 50.35 42.43 35.06 30.00 12.61 33.51
1933 17.55 7.86 24.48 32.77 39.13 50.87 55.16 51.52 41.87 38.16 26.10 28.29 34.48
1934 28.68 31.39 33.77 39.90 45.48 47.20 54.42 53.10 38.43 37.23 32.07 19.94 38.47
1935 15.68 15.86 24.58 34.33 38.84 46.43 52.45 49.81 43.93 34.81 22.90 16.74 33.03
1936 17.48 12.86 23.35 37.47 44.52 49.73 56.77 53.19 41.07 35.52 20.80 23.77 34.71
1937 2.19 15.32 27.90 33.67 41.19 47.50 56.16 49.90 45.47 37.45 31.50 d 26.77 34.59
1938 23.32 28.11 30.19 36.70 40.58 50.27 56.06 50.55 48.40 38.68 ----- z ----- z 40.29
1939 ----- z ----- z ----- z 37.37 42.81 43.93 54.84 52.97 43.70 35.90 25.83 28.74 40.68
1940 21.74 25.72 31.29 36.43 43.19 50.03 55.45 ----- z 48.27 39.48 24.53 23.26 36.31
1941 22.00 25.04 30.61 35.47 42.03 a 47.40 55.68 52.90 40.72 a 35.55 28.80 23.77 36.66
1942 14.45 18.25 25.23 36.77 ----- z ----- z 58.90 53.68 c 44.50 36.94 28.32 b 25.90 b 34.29
1943 15.74 19.14 22.39 38.27 38.48 45.13 53.57 a 51.39 47.00 38.84 28.70 22.19 35.07
1944 12.29 23.79 25.68 35.47 42.71 45.97 a 52.84 50.68 46.00 39.26 29.97 19.94 35.38
1945 21.26 27.32 28.97 33.53 42.68 45.60 54.58 52.55 40.67 37.94 29.23 20.84 36.26
1946 16.10 19.11 28.94 37.13 41.77 48.73 55.94 53.35 41.76 a 32.47 a 28.23 26.97 35.87
1947 13.61 24.89 31.90 35.73 45.71 46.23 54.42 50.52 42.83 39.74 27.33 22.63 a 36.30
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 49.87 42.83 35.16 26.27 10.94 33.01
1949 -1.06 18.79 30.39 36.17 47.45 47.00 53.39 54.74 47.63 31.93 b 31.03 20.97 34.87
1950 12.82 c 18.86 27.06 32.77 37.55 46.53 53.23 53.45 46.10 39.45 31.03 29.39 35.69
1951 18.13 22.21 22.65 35.13 41.77 45.30 54.68 51.42 42.30 37.37 d 25.27 17.06 34.44
1952 15.81 9.00 20.13 36.17 l 41.58 47.60 51.42 50.16 45.50 32.06 21.27 22.23 32.43
1953 29.58 27.10 g ----- z 33.53 38.74 46.27 55.39 54.55 44.63 33.77 30.63 19.48 38.66
1954 23.13 27.21 26.19 33.60 42.35 44.47 53.97 51.16 41.77 31.26 27.87 10.39 34.45
1955 11.68 10.18 18.03 30.67 40.06 47.37 53.61 56.03 43.30 33.74 22.47 23.16 32.53
1956 21.42 13.28 25.87 34.50 44.84 47.33 57.29 53.29 41.40 35.00 22.53 20.39 34.76
1957 6.29 18.75 29.45 35.10 45.10 47.23 54.29 53.26 45.07 37.19 22.93 23.87 34.88
1958 17.23 27.32 28.94 35.43 46.03 52.03 54.58 56.03 39.89 c 31.74 26.63 27.13 36.92
1959 21.55 24.54 26.52 34.79 b 38.29 50.27 54.87 50.90 44.37 36.13 21.00 16.68 34.99
1960 13.42 17.17 25.94 35.70 38.84 46.97 57.13 47.68 42.23 ----- z ----- z 13.88 w 36.12
1961 17.68 29.79 31.42 33.00 41.81 53.03 56.55 58.90 39.83 33.84 22.80 18.32 36.41
1962 5.82 c 19.11 25.12 e 35.00 41.00 a 48.57 53.65 50.37 a 43.17 35.23 a 29.57 25.16 34.31
1963 12.90 a 28.96 31.38 o 33.30 43.39 47.00 50.87 a 55.77 48.03 38.16 29.20 15.84 36.68
1964 12.42 5.07 18.77 a 31.70 37.53 a 47.17 54.23 49.39 41.72 a 32.06 26.40 21.77 31.52
1965 19.42 18.83 d 21.87 p 36.27 37.97 48.93 53.29 52.03 39.53 33.65 28.40 19.65 35.27
1966 21.81 19.54 27.25 g 31.97 41.90 46.00 54.35 52.19 48.63 31.10 30.50 22.81 36.44
1967 22.74 25.62 o 30.15 r 32.47 38.42 47.33 58.52 55.87 46.80 33.48 29.07 13.78 m 40.52
1968 12.46 e 23.90 29.07 c 29.90 38.83 a 47.67 c 56.45 52.03 43.83 33.65 28.90 20.65 34.78
1969 18.23 15.61 20.42 34.80 43.48 48.23 53.03 52.65 44.10 30.71 24.73 24.52 34.21
1970 25.77 25.79 27.71 30.60 40.26 51.13 55.74 54.55 40.63 33.13 30.77 18.52 36.22
1971 18.94 20.75 26.29 34.33 43.13 46.70 55.97 57.39 39.13 34.20 a 26.40 16.74 35.00
1972 14.03 20.83 31.32 32.63 43.35 51.80 54.10 55.97 40.03 36.90 28.13 15.77 a 35.41
1973 17.41 b 22.00 c 30.52 35.13 42.26 49.27 57.03 53.81 45.10 35.39 31.40 24.33 a 36.97
1974 16.13 a 24.18 30.58 35.96 c 38.24 b 52.57 55.63 a 53.32 43.79 b 35.52 30.10 21.35 36.45
1975 14.13 18.29 28.81 31.87 39.87 46.70 60.68 51.84 47.47 38.26 26.13 21.32 35.45
1976 18.52 16.66 19.52 34.33 43.03 45.77 56.13 50.97 47.40 30.65 24.33 16.23 33.63
1977 11.42 22.89 27.94 37.27 39.29 53.97 55.81 55.71 45.66 a 35.58 28.20 27.71 36.79
1978 26.71 30.93 34.06 37.30 41.19 46.77 56.48 52.45 44.33 33.81 25.63 10.39 36.67
1979 2.29 21.32 28.84 34.80 42.16 48.23 56.58 57.35 48.03 40.00 22.87 25.00 35.62
1980 21.97 a 29.00 29.03 36.93 44.00 46.73 56.61 51.13 45.83 a 34.00 26.77 22.35 37.03
1981 26.55 23.14 30.90 a 34.65 d 42.48 47.43 53.42 56.39 48.00 32.66 b 29.82 b 24.45 37.49
1982 12.45 13.39 29.84 30.07 c 38.26 d 49.30 52.68 56.87 45.60 34.68 20.12 n 17.33 a 34.59
1983 22.81 26.21 33.10 31.33 o 40.19 o 47.63 53.77 56.26 43.40 35.77 a 31.56 l 13.29 j 39.87
1984 12.33 j 12.55 i 28.95 i 34.26 k 40.61 46.70 56.06 55.97 42.93 33.37 a 27.47 m 9.19 40.69
1985 4.29 9.04 19.03 35.90 43.13 48.43 61.39 51.06 42.07 31.61 17.10 4.29 30.61
1986 15.19 28.04 34.52 34.67 38.61 c 51.87 49.81 57.39 43.37 32.35 ----- z 19.32 36.83
1987 9.13 18.32 30.16 37.27 43.52 50.13 50.10 47.84 42.23 31.45 27.38 a 19.87 33.95
1988 10.03 17.45 25.87 a 34.45 a 39.33 a 53.47 55.35 51.90 42.90 39.00 27.27 12.81 34.15
1989 10.38 o 5.18 28.14 b 36.13 38.50 u ----- z ----- z ----- z 43.47 k 35.00 24.60 19.21 l 25.81
1990 24.50 k 15.60 m 27.87 38.22 l 38.67 j 45.00 k 56.68 l 58.32 i 52.94 m 34.45 k 25.30 j 16.67 m 27.87
1991 19.32 l 33.16 i 35.55 k 40.90 47.27 i 44.53 k 48.52 j 52.29 j 41.60 j 27.00 l 36.93 o 24.63 l 40.90
1992 13.90 k 25.82 l 28.19 j 36.67 i 43.28 m 49.85 j 50.68 i 53.42 l 43.59 m 30.83 m 24.00 j 17.24 n 9999.00
1993 11.65 n 12.05 i 25.83 b 31.55 a 44.68 l 43.24 i 46.40 k 49.36 i 41.29 i 37.16 l 19.29 p 21.24 j 28.69
1994 22.94 n 19.00 j 28.48 j 36.05 k 44.70 k 48.17 58.58 l 57.93 a 45.68 k 35.42 l 20.85 j 21.00 o 53.05
1995 22.15 k 26.24 k 29.05 j 35.67 l 41.95 k 47.62 a 54.40 k 49.16 46.65 j 31.52 j 30.83 l 24.78 m 48.39
1996 18.71 n 19.61 k 31.58 l 34.90 a 40.64 i 47.79 k 55.64 i ----- z ----- z ----- z ----- z 21.53 l 34.90
1997 20.08 r 25.40 r ----- z ----- z 42.24 n 50.55 j 54.81 j ----- z ----- z ----- z ----- z ----- z 9999.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 52.43 p 34.24 n 30.08 q 25.20 z 9999.00
1999 22.58 s 16.27 q ----- z 32.22 u 39.21 q 45.69 q 52.75 s 56.26 h 38.92 r 34.25 s 31.00 v 17.14 x 9999.00
2000 19.07 p 26.88 m 29.50 i 37.20 j 43.45 k 49.26 k 57.79 l 57.43 h 45.00 k 34.11 l 21.72 l 18.70 k 9999.00
2001 13.90 k 19.06 j 28.09 i 28.15 j 39.05 i 45.26 k 54.70 k 55.61 h 42.20 o 33.68 l 26.19 n 16.06 m 9999.00
2002 15.83 m 7.21 n 23.90 k 34.00 k 37.28 m 48.93 p 61.71 j 50.18 i 43.67 l 32.27 i 20.87 o 25.00 m 9999.00
2003 23.75 o 21.29 k 33.44 m 34.48 i 39.37 l 49.31 n 61.00 k 58.58 l 42.79 p 39.05 l 19.59 m 24.71 n 9999.00
2004 16.12 o 19.56 m 27.88 n 36.43 p 41.86 q 49.71 m 55.43 q 55.56 o 44.89 l 39.00 p 27.42 k 24.11 l 9999.00
2005 14.67 m 16.38 t 28.67 m 35.71 m 42.61 m 46.18 m 54.44 o 54.65 n 39.67 r 35.62 w 22.67 o 13.29 n 9999.00
2006 21.00 r 16.53 m 26.81 o 35.88 n 44.56 o 51.38 q 61.14 q 56.17 s 43.23 q 32.88 o 27.86 p 21.17 y 9999.00
2007 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.00 44.17 34.06 24.70 18.08 g 38.98
2008 10.76 f 17.79 23.32 28.37 40.48 46.73 56.68 53.55 42.13 33.10 29.27 17.26 35.33
2009 14.39 16.11 26.29 33.03 40.58 48.80 55.68 f 54.13 46.78 u 32.85 e 24.63 13.55 30.44
2010 24.19 25.21 27.94 32.47 37.16 48.33 52.84 51.52 44.10 39.45 25.23 19.42 35.66
2011 15.13 16.82 30.35 30.03 39.23 45.77 54.06 55.39 46.43 36.63 a 23.63 15.57 c 34.09
2012 21.14 b 23.59 30.65 36.50 40.29 46.00 59.42 55.62 b 44.33 c 32.62 b 30.83 24.00 37.08
2013 6.77 18.61 28.60 a 34.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 17.99
Period of Record Statistics
MEAN 15.55 20.08 27.09 34.43 41.09 47.89 54.80 52.87 43.60 34.94 26.83 19.32 34.81
S.D. 6.38 6.01 3.92 2.58 2.42 2.34 2.17 2.49 2.60 2.50 3.44 5.72 1.60
SKEW -0.23 -0.36 -0.80 0.04 0.26 0.51 0.34 0.34 -0.15 0.31 -0.45 -0.29 -0.25
MAX 29.58 31.39 34.52 40.90 47.45 53.97 61.39 58.90 48.63 40.00 33.53 33.10 38.47
MIN -1.06 5.07 14.68 28.37 35.87 42.93 49.81 47.68 36.40 30.65 17.10 4.29 30.61
NO YRS 79 79 77 82 79 82 81 85 83 83 77 77 61