GRANGEVILLE, IDAHO

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(103771)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1893 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 35.94 27.37 27.16 30.15
1894 20.00 17.18 26.26 35.73 43.58 45.70 53.19 55.77 43.50 36.97 34.67 20.87 36.12
1895 22.06 27.11 26.42 35.73 40.32 44.67 50.32 52.35 40.80 38.19 27.73 22.68 35.70
1896 25.52 27.59 26.10 31.20 36.16 47.60 57.00 54.55 43.90 38.84 18.57 31.81 36.57
1897 ----- z 23.68 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 23.68
1898 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1899 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 19.90 a 11.84 15.87
1902 16.19 28.46 28.77 33.31 a 41.57 c ----- z ----- z ----- z 39.83 g 33.79 q 30.07 25.48 29.12
1903 23.39 19.11 28.29 32.17 40.06 49.77 48.39 50.10 41.70 37.48 29.57 22.58 35.22
1904 24.39 23.86 27.71 35.47 40.87 45.13 51.58 52.32 45.70 39.35 33.80 24.45 37.05
1905 24.39 19.79 31.68 35.63 39.23 45.93 52.23 51.65 44.63 31.03 27.37 23.77 35.61
1906 25.97 26.54 23.10 36.33 40.81 43.73 55.81 ----- z ----- z ----- z ----- z ----- z 36.04
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1924 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1925 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1927 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.00 13.30 d 23.65
1928 22.32 22.69 31.42 32.70 43.48 46.47 53.07 c 47.32 41.53 35.39 29.10 21.13 35.55
1929 13.19 13.57 29.71 31.34 a 38.81 45.33 c 49.39 51.17 b 39.00 34.55 25.03 29.55 33.39
1930 5.35 29.86 28.65 38.40 38.77 43.10 51.06 50.45 42.80 32.39 25.80 18.87 33.79
1931 24.16 24.00 27.58 32.73 41.68 46.07 51.23 49.42 41.79 b 33.65 23.20 22.13 34.80
1932 18.74 21.26 b 29.63 a 35.00 41.13 48.50 50.61 49.84 41.77 37.03 a ----- z ----- z 37.35
1933 22.10 16.68 29.45 32.90 37.10 47.53 52.06 50.45 40.87 39.81 30.73 32.10 35.98
1934 30.29 32.11 35.35 40.70 43.90 46.40 52.48 51.65 41.90 39.35 36.93 27.81 39.91
1935 23.13 25.96 26.84 32.27 38.42 46.47 50.97 48.58 45.86 a 36.06 24.83 23.26 35.22
1936 25.90 12.62 28.55 37.63 44.81 48.43 53.47 a 51.19 42.00 35.81 23.67 28.10 36.01
1937 3.32 22.50 29.81 33.07 39.81 45.30 53.26 48.68 46.53 39.19 33.37 27.65 35.21
1938 24.71 26.36 30.03 35.60 40.71 47.97 54.13 49.48 49.53 39.16 25.67 25.77 37.43
1939 28.19 21.21 29.97 35.93 42.10 43.53 52.68 51.84 44.63 37.32 29.70 28.94 37.17
1940 21.84 29.97 32.06 36.03 42.42 49.10 53.94 53.32 50.10 41.03 24.80 25.77 38.37
1941 25.87 28.04 32.06 35.50 41.61 47.00 55.42 52.55 41.43 36.00 30.37 24.29 37.51
1942 15.74 20.96 27.48 35.80 38.87 42.83 52.87 51.65 44.00 37.32 28.33 25.97 35.15
1943 15.42 26.25 26.03 36.10 37.29 42.53 51.52 48.61 45.30 39.39 28.83 22.06 34.94
1944 19.65 22.93 24.00 33.77 41.77 45.63 51.10 50.23 45.83 40.06 28.83 21.13 35.41
1945 24.13 28.43 27.61 32.20 40.94 44.43 52.26 52.10 42.60 39.06 29.43 22.39 36.30
1946 23.61 23.86 30.68 33.37 39.65 43.83 50.77 48.06 40.97 31.35 26.87 23.90 34.74
1947 17.03 25.46 30.45 33.33 41.87 43.80 49.42 47.03 42.70 37.97 27.83 25.06 35.16
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.26 40.86 a 33.68 26.40 14.93 a 32.63
1949 -0.03 18.50 27.65 33.40 41.85 d 41.88 d 49.23 51.97 45.90 32.35 33.60 23.61 33.33
1950 8.19 23.96 28.32 32.03 37.29 47.94 l 50.07 d 51.32 43.70 38.42 28.23 29.68 33.75
1951 19.55 21.93 22.87 32.77 38.74 ----- z 51.58 51.50 e 43.76 m 35.32 26.03 17.10 31.74
1952 17.03 19.93 23.77 32.73 39.69 b 43.82 b 49.67 a 49.87 44.57 36.87 21.83 23.60 a 33.62
1953 32.65 25.64 26.93 c 31.00 34.90 42.63 51.58 51.68 c 46.03 37.26 31.50 26.61 36.53
1954 21.55 28.93 24.10 32.70 38.71 41.97 50.26 46.87 41.67 32.13 31.50 20.68 34.25
1955 20.06 18.14 19.87 28.77 35.21 c 45.00 49.81 47.45 40.83 34.74 19.90 17.87 31.47
1956 19.61 15.66 22.94 33.10 41.26 42.37 50.16 45.71 39.27 31.04 f 24.27 23.87 32.56
1957 8.29 24.07 29.52 33.47 43.77 46.62 a 48.61 46.60 a 41.60 36.46 c 25.60 27.84 34.37
1958 25.16 31.57 25.39 32.83 44.74 48.33 51.63 a 52.58 42.43 34.18 c 26.67 28.57 c 37.01
1959 23.16 23.18 27.13 32.13 35.00 45.14 b 50.00 a 46.67 a 41.23 33.68 21.47 19.71 33.21
1960 12.77 19.14 25.74 33.60 36.39 43.54 b 52.13 45.48 43.00 35.00 26.57 19.21 b 32.71
1961 23.74 29.18 28.35 33.17 39.13 47.97 52.03 53.77 37.43 33.94 22.67 21.77 35.26
1962 16.71 23.07 a 25.45 34.20 38.10 a 43.70 47.03 46.10 a 40.50 35.77 30.07 26.34 b 33.92
1963 9.90 29.29 26.70 a 32.53 40.65 46.17 47.45 49.16 47.47 38.06 30.17 22.35 34.99
1964 24.03 22.17 25.74 30.70 37.35 45.50 50.29 46.19 38.63 33.35 26.27 18.48 33.23
1965 23.52 22.89 20.42 33.63 36.00 43.47 49.34 b 48.92 f 38.03 36.65 30.57 22.56 d 32.46
1966 24.19 23.96 24.81 31.93 38.23 43.30 49.19 48.29 45.57 32.39 28.87 26.33 a 34.76
1967 25.90 26.14 25.42 29.43 37.87 46.43 51.71 50.60 p 46.00 35.06 27.03 21.45 33.86
1968 20.26 29.48 30.81 30.07 37.65 45.70 49.35 48.03 43.15 c 34.35 29.03 19.48 34.78
1969 16.71 21.56 a 26.06 34.37 40.84 47.53 48.84 47.74 43.07 30.79 c 27.17 24.16 34.07
1970 22.71 27.46 25.65 28.47 37.77 47.83 49.84 46.42 g 35.89 b 31.13 28.33 20.74 32.35
1971 25.55 24.11 25.42 30.87 40.19 44.10 49.80 a 53.03 b 36.10 29.06 27.79 a 19.87 33.82
1972 18.10 24.14 29.35 28.40 39.03 46.10 48.48 49.31 b 37.30 32.81 27.81 d 15.42 33.02
1973 17.48 23.04 27.58 30.53 38.16 44.57 49.04 c 50.06 41.83 32.75 g 27.08 e 27.43 a 34.26
1974 18.00 26.68 26.68 32.10 35.00 46.13 47.84 46.63 d 38.23 30.26 26.73 26.27 a 33.38
1975 23.29 22.32 26.32 28.53 36.13 43.17 53.94 48.71 40.67 36.65 28.13 25.81 34.47
1976 24.71 23.03 23.55 30.80 38.87 42.90 51.00 48.52 43.27 32.87 27.87 21.39 34.06
1977 16.10 25.64 25.81 32.23 35.61 48.23 48.42 51.10 40.87 32.71 27.40 25.23 34.11
1978 25.81 28.54 31.81 33.80 37.45 43.53 48.74 47.13 42.97 35.00 23.30 18.00 b 34.67
1979 8.26 25.61 29.26 32.66 a 40.00 45.10 50.42 50.39 43.63 ----- z 23.40 28.03 34.25
1980 17.45 28.66 28.74 36.67 40.74 44.40 51.10 45.65 44.20 34.77 29.10 28.52 35.83
1981 27.06 26.00 29.45 34.67 40.68 44.33 47.61 51.23 43.23 33.48 30.53 24.97 36.10
1982 22.90 19.61 29.29 30.17 37.97 48.83 50.35 50.45 42.20 34.87 24.83 22.90 34.53
1983 27.03 28.04 31.03 30.33 38.77 44.33 47.77 53.06 37.20 35.00 31.87 14.00 34.87
1984 22.81 25.00 30.68 30.27 37.39 44.17 49.71 50.94 39.87 32.19 30.27 17.45 34.23
1985 17.32 20.25 24.13 35.10 40.13 45.67 53.48 46.94 39.40 34.48 18.73 12.84 32.37
1986 26.35 27.36 33.65 31.43 40.77 49.90 47.26 52.48 39.87 33.35 29.40 21.52 36.11
1987 20.45 27.29 30.45 37.33 42.84 47.57 48.00 45.03 41.77 32.16 29.50 24.87 35.60
1988 20.16 26.55 28.68 35.73 39.39 48.07 49.48 47.58 42.47 39.55 31.20 21.48 35.86
1989 23.45 14.68 29.61 35.60 39.32 46.33 50.65 48.71 41.63 ----- z 32.93 25.55 35.32
1990 27.81 23.32 28.35 36.97 38.71 46.63 53.35 53.03 ----- z 36.48 32.67 13.32 35.51
1991 18.77 30.46 28.00 32.97 38.61 43.53 50.94 52.42 44.27 34.23 29.20 25.84 35.77
1992 26.16 30.21 31.39 36.73 42.06 50.00 50.45 49.74 43.33 37.48 27.03 22.06 37.22
1993 18.55 18.71 32.06 34.67 44.65 45.87 46.45 48.29 41.47 36.94 22.97 25.77 34.70
1994 30.45 23.50 28.84 36.73 42.97 45.37 52.81 50.65 44.83 36.00 26.60 24.29 36.92
1995 23.71 ----- z 28.45 33.40 41.65 45.77 51.97 46.94 44.33 33.77 32.37 23.71 36.91
1996 22.74 20.38 28.77 35.47 38.87 45.27 51.16 49.16 41.83 36.19 28.87 24.45 35.26
1997 23.61 26.00 30.29 33.33 43.16 48.03 50.68 52.39 45.47 35.84 29.23 22.45 36.71
1998 25.87 27.75 29.35 33.83 41.68 46.93 56.81 52.45 48.73 34.06 33.73 22.10 37.78
1999 27.65 27.79 27.06 30.80 37.87 45.63 49.26 53.10 40.14 a 35.26 34.62 a 27.00 c 36.35
2000 25.19 28.29 a 30.16 36.93 41.87 46.29 m 51.77 51.32 45.17 35.39 23.20 21.93 a 35.57
2001 22.87 24.18 30.52 33.67 41.97 45.60 e 53.77 53.71 47.73 37.03 33.10 23.00 37.26
2002 26.39 23.75 27.10 33.93 39.35 47.30 55.16 49.39 44.30 30.68 29.33 25.90 36.05
2003 29.55 25.07 33.10 34.70 40.94 49.13 57.06 54.87 46.63 40.19 25.50 24.68 38.45
2004 24.13 25.38 32.39 35.43 40.81 48.70 55.32 54.32 44.80 37.74 28.93 25.97 37.83
2005 24.48 24.36 29.61 34.30 42.42 46.27 54.06 52.90 42.53 38.65 27.03 20.97 36.47
2006 30.13 22.68 28.13 34.23 41.87 49.90 57.19 50.81 43.17 34.13 29.03 22.32 36.97
2007 18.16 27.29 31.71 34.90 40.61 47.63 58.42 52.16 43.43 36.26 26.53 24.45 36.80
2008 20.42 26.62 27.06 28.63 41.23 45.07 ----- z ----- z ----- z ----- z 33.07 19.68 30.22
2009 22.29 25.32 25.71 33.00 41.68 48.87 53.65 54.23 48.17 32.84 28.57 16.97 35.94
2010 29.00 28.89 30.06 34.73 38.81 47.53 52.87 52.45 46.93 40.13 27.13 24.00 37.71
2011 24.55 22.79 30.97 31.83 38.81 46.87 52.39 54.90 49.63 39.94 27.73 23.00 36.95
2012 24.29 j 26.79 29.81 36.73 39.71 45.93 55.87 ----- z 47.40 35.07 c 32.60 26.77 37.67
2013 19.48 27.21 30.10 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 25.60
Period of Record Statistics
MEAN 21.38 24.38 28.17 33.50 39.87 45.85 51.38 50.24 42.95 35.57 28.05 23.07 35.47
S.D. 5.98 4.01 2.83 2.41 2.33 2.04 2.55 2.58 3.03 2.70 3.65 4.15 1.57
SKEW -1.21 -0.66 -0.38 0.02 -0.08 0.10 0.55 -0.08 0.05 -0.08 -0.28 -0.57 0.07
MAX 32.65 32.11 35.35 40.70 44.81 50.00 58.42 55.77 50.10 41.03 36.93 32.10 39.91
MIN -0.03 12.62 19.87 28.40 34.90 41.88 46.45 45.03 35.89 29.06 18.57 11.84 31.47
NO YRS 92 93 93 92 92 88 90 86 88 87 94 94 75