GRANGEVILLE, IDAHO

Monthly Average Maximum 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 52.19 43.17 40.00 45.12
1894 35.61 31.64 42.61 53.37 64.23 64.67 80.19 83.13 64.70 56.68 51.83 34.26 55.24
1895 35.29 41.32 45.39 58.10 60.19 67.37 76.71 80.35 61.60 63.13 43.57 35.97 55.75
1896 41.68 43.48 44.55 48.97 53.71 70.30 84.06 80.65 67.40 59.61 39.30 43.97 56.47
1897 ----- z 37.50 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 37.50
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 49.69 a 36.97 43.33
1902 42.35 46.39 44.32 51.24 a 52.57 c ----- z ----- z ----- z 56.04 g 55.14 q 43.40 39.58 45.69
1903 38.48 35.86 45.26 51.67 62.00 75.50 75.06 80.32 66.43 61.52 47.20 39.03 56.53
1904 38.74 40.55 42.77 59.80 64.81 70.70 77.35 83.94 75.93 62.55 54.93 40.74 59.40
1905 37.61 39.93 53.06 58.53 60.06 67.00 82.94 84.29 72.90 51.97 46.87 37.32 57.71
1906 40.32 44.04 42.90 60.70 62.32 65.70 87.19 ----- z ----- z ----- z ----- z ----- z 57.60
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 46.07 31.00 d 38.53
1928 35.90 39.41 48.87 49.50 69.97 66.50 82.04 c 76.87 a 69.50 56.13 45.00 35.52 56.27
1929 28.55 26.93 37.97 41.33 55.32 67.15 d 84.58 89.69 b 67.63 61.81 44.60 43.10 54.06
1930 21.32 43.32 45.81 55.27 62.40 p 69.00 85.13 88.45 72.73 53.00 44.80 34.87 55.79
1931 41.10 41.89 47.68 57.90 70.65 75.37 88.74 89.32 70.47 59.42 38.60 36.42 59.80
1932 32.77 36.72 44.29 55.60 61.13 72.60 81.32 82.29 74.27 57.53 a ----- z ----- z 59.85
1933 36.94 31.61 44.61 53.17 59.39 73.50 84.29 81.48 68.60 64.29 48.93 43.29 57.51
1934 43.81 48.46 56.45 64.87 71.77 72.70 85.77 85.06 70.40 60.77 51.07 37.39 62.38
1935 38.71 42.82 43.26 51.87 64.30 a 73.33 82.61 82.87 79.52 a 58.68 40.37 37.42 57.98
1936 36.45 27.28 44.65 60.50 70.52 72.73 86.97 a 85.52 72.03 64.10 46.57 41.26 59.05
1937 21.06 36.89 49.94 52.13 67.35 71.87 85.00 81.00 76.80 61.26 47.73 39.26 57.52
1938 38.16 40.93 45.10 55.03 62.97 73.93 84.03 81.10 80.07 57.23 40.57 40.65 58.31
1939 40.32 34.79 50.23 60.50 69.58 68.73 83.45 86.90 74.97 58.29 51.60 44.29 60.30
1940 36.06 43.62 51.55 55.57 68.00 75.77 82.97 84.94 70.00 58.52 38.80 41.10 58.91
1941 41.06 45.29 53.03 57.73 62.81 66.83 82.71 77.55 61.70 53.71 48.40 39.03 57.49
1942 32.58 36.00 46.55 59.70 59.10 66.37 82.48 85.74 74.53 61.68 43.50 39.68 57.33
1943 33.10 44.79 45.55 58.37 58.81 65.40 80.32 80.32 77.57 60.97 47.03 37.81 57.50
1944 39.29 38.97 42.42 55.40 65.00 69.10 82.45 80.94 74.83 67.55 42.77 35.77 57.87
1945 37.13 41.14 45.00 51.40 64.00 66.60 84.65 84.90 68.50 63.48 44.00 36.55 57.28
1946 38.94 39.57 48.45 57.57 64.97 67.07 79.42 81.45 67.43 51.42 41.67 39.48 56.45
1947 32.55 43.04 51.74 55.53 68.32 65.67 80.74 78.81 70.60 58.23 40.20 37.74 56.93
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 75.94 70.73 59.26 40.23 29.97 a 55.23
1949 19.94 36.25 47.32 60.73 67.85 d 74.08 d 82.00 84.03 74.03 52.81 53.27 37.13 57.45
1950 25.84 40.96 44.10 52.80 62.13 72.83 l 80.81 d 83.06 72.40 58.55 44.77 44.16 55.42
1951 34.45 40.71 40.87 59.93 63.81 ----- z 84.39 85.08 e 75.65 m 54.42 42.93 32.19 53.88
1952 34.71 38.76 42.06 62.27 62.93 b 70.07 b 81.16 81.97 76.30 67.71 40.67 39.26 58.16
1953 46.16 41.18 48.04 c 53.63 60.16 65.93 84.10 82.54 c 78.43 62.65 49.97 40.68 59.45
1954 39.58 47.79 44.97 55.47 65.81 65.00 79.06 75.23 69.63 57.55 50.37 38.61 57.42
1955 34.90 35.50 39.06 49.50 58.07 b 70.97 75.61 83.58 70.73 58.35 37.47 37.71 54.29
1956 36.94 33.55 44.45 58.23 65.23 68.93 83.03 78.74 73.40 53.48 f 42.33 41.29 56.92
1957 26.97 41.43 46.55 54.10 64.32 71.17 a 81.00 79.80 a 76.97 55.18 c 42.87 42.13 56.87
1958 40.55 47.39 45.35 52.27 72.84 73.00 83.23 a 86.45 70.77 62.00 c 45.20 44.36 c 60.28
1959 40.00 37.86 46.29 55.83 59.42 73.18 b 84.53 a 80.20 a 65.40 57.06 45.83 39.45 57.09
1960 33.35 38.31 48.71 55.57 60.77 75.25 b 90.77 76.87 75.37 60.90 44.37 37.07 b 58.11
1961 42.13 45.50 47.52 53.13 62.13 78.87 86.29 88.97 66.33 56.52 41.90 36.06 58.78
1962 34.35 39.93 44.97 60.53 58.42 72.17 79.97 78.33 a 73.73 58.90 46.60 42.07 b 57.50
1963 29.90 50.79 49.33 a 53.27 65.90 68.53 77.90 82.87 78.63 63.77 48.37 37.81 58.92
1964 38.58 41.24 44.55 51.07 60.84 67.93 81.23 75.77 68.10 62.58 43.17 36.42 55.96
1965 39.13 42.50 45.87 56.53 61.19 71.13 82.00 b 77.92 f 64.80 66.03 48.50 39.70 d 56.13
1966 39.13 40.46 49.16 56.67 68.90 69.27 82.55 83.32 76.53 59.06 47.03 40.37 a 59.37
1967 40.74 45.21 45.45 49.83 63.94 73.87 86.03 87.73 p 79.70 59.35 46.33 36.45 56.99
1968 38.48 47.83 52.90 53.13 62.71 70.33 83.87 76.10 70.07 c 56.45 44.40 35.52 57.65
1969 33.26 38.74 a 48.81 56.80 68.68 74.27 80.87 83.19 71.03 54.00 c 48.50 39.35 58.13
1970 38.06 46.79 45.81 49.13 64.35 75.50 84.03 87.54 g 63.29 b 57.16 45.37 36.45 55.09
1971 39.97 41.86 44.45 54.00 66.00 67.00 82.50 a 88.41 b 66.27 55.03 43.72 a 35.87 57.09
1972 34.58 41.90 53.26 51.93 67.74 73.17 81.48 84.86 b 67.37 60.00 45.46 d 33.00 57.90
1973 35.55 44.07 48.13 55.80 68.71 73.70 85.71 c 83.32 70.90 57.58 g 43.48 e 42.00 a 59.22
1974 33.39 44.29 47.55 54.40 60.45 78.60 82.26 83.26 d 77.67 63.48 46.90 40.20 a 59.37
1975 37.26 39.25 44.55 48.03 61.03 68.37 83.45 75.68 74.50 55.13 44.23 40.68 56.01
1976 39.55 41.24 44.13 54.07 67.10 66.53 79.97 75.97 74.93 61.13 48.50 41.00 57.84
1977 34.42 49.14 43.74 63.60 59.00 77.23 80.26 83.03 66.40 58.16 42.73 38.52 58.02
1978 38.58 43.54 53.97 54.40 58.97 73.93 79.42 77.77 67.43 62.55 39.90 31.86 c 56.86
1979 24.77 40.46 50.19 53.33 64.19 74.17 83.42 81.48 76.87 ----- z 41.37 44.39 57.70
1980 34.06 43.14 44.23 60.13 61.53 a 65.67 78.16 76.06 71.80 61.03 45.87 44.06 57.15
1981 42.29 45.04 51.65 56.77 59.58 66.07 78.48 84.71 72.27 54.48 46.93 38.42 58.06
1982 35.81 38.43 47.17 a 52.40 61.00 72.77 77.48 80.68 68.13 55.32 40.67 36.23 55.51
1983 43.16 47.75 51.55 55.43 65.52 70.00 76.00 84.61 67.30 59.35 47.70 29.87 58.19
1984 39.29 43.97 49.84 52.63 61.43 a 68.43 83.48 83.32 69.00 54.23 45.87 34.39 57.16
1985 32.74 37.96 47.90 61.83 66.52 73.93 88.97 76.32 63.27 55.58 32.20 32.81 55.84
1986 42.61 43.89 a 54.58 54.60 65.23 a 78.37 76.35 86.35 63.67 62.35 43.70 36.39 59.01
1987 35.90 44.54 49.97 64.87 68.42 76.47 77.94 80.03 77.73 67.35 47.13 38.00 60.70
1988 35.61 47.62 50.52 61.87 63.87 71.97 82.13 83.16 72.63 68.39 43.47 37.65 59.91
1989 38.00 32.11 47.97 61.40 62.48 72.93 80.94 76.10 74.50 ----- z 48.07 39.39 57.63
1990 39.55 41.75 52.77 61.20 61.94 71.43 83.23 81.16 ----- z 57.19 46.63 30.03 56.99
1991 34.68 51.50 48.03 55.37 60.65 66.10 81.65 86.61 75.90 60.52 42.77 40.16 58.66
1992 40.94 50.83 59.06 60.30 72.13 77.67 78.10 83.45 71.23 60.97 40.40 35.32 60.87
1993 31.63 a 36.41 a 51.35 56.00 71.77 67.53 68.90 76.87 73.80 61.35 41.00 c 38.77 56.28
1994 42.90 40.93 54.55 58.37 66.90 71.45 a 84.97 84.90 76.53 57.87 a 38.37 37.30 a 59.59
1995 38.68 ----- z 48.58 54.20 64.48 68.13 78.39 78.32 74.80 53.00 49.23 37.19 58.64
1996 36.06 40.66 48.87 57.83 59.13 73.30 85.94 82.81 68.00 57.26 45.10 39.00 57.83
1997 37.48 39.79 50.55 53.33 69.26 68.73 77.16 83.77 74.07 57.13 47.47 37.61 58.03
1998 40.71 46.25 50.52 57.40 63.58 68.97 85.90 86.61 76.80 56.39 44.57 35.55 59.44
1999 41.23 41.11 48.68 54.23 61.29 68.53 80.94 83.77 74.69 a 61.45 55.52 a 39.90 59.28
2000 39.45 46.90 52.06 63.80 64.81 77.67 l 85.19 87.10 70.33 59.32 39.07 35.65 58.52
2001 36.32 40.71 52.23 54.60 70.84 71.80 81.58 89.23 81.83 61.16 50.23 38.84 60.78
2002 38.81 44.18 44.81 57.70 65.48 74.37 87.84 81.61 76.27 58.65 48.10 39.94 59.81
2003 42.35 38.32 48.52 54.73 61.94 73.23 84.90 82.94 72.03 62.45 40.20 37.74 58.28
2004 35.35 39.31 55.10 59.83 59.29 69.07 80.32 79.13 64.53 56.00 41.80 40.45 56.68
2005 39.19 44.25 50.52 55.57 62.74 66.10 80.42 81.65 68.33 58.19 41.57 35.03 56.96
2006 42.55 39.61 45.32 55.27 66.13 70.87 85.00 79.90 70.90 54.00 46.20 37.48 57.77
2007 30.94 41.82 52.39 55.43 63.58 70.00 86.48 79.26 68.43 55.32 43.87 34.06 56.80
2008 34.81 40.93 43.74 50.70 62.19 66.93 ----- z ----- z ----- z ----- z 47.83 33.35 47.56
2009 39.10 42.93 42.19 54.70 66.00 71.10 82.94 80.23 76.87 52.71 46.70 30.10 57.13
2010 42.35 44.18 50.65 54.33 57.90 67.23 79.94 80.00 72.47 59.65 40.93 36.48 57.18
2011 38.39 36.82 46.94 48.73 58.74 67.27 78.23 83.16 79.73 57.45 44.40 37.48 56.45
2012 41.00 j 41.69 48.42 59.90 61.55 68.77 83.68 ----- z 76.33 57.07 c 48.27 37.26 58.29
2013 32.65 41.04 49.81 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 41.16
Period of Record Statistics
MEAN 36.70 41.34 47.71 55.73 63.69 70.67 82.09 82.06 71.86 58.90 44.90 37.91 57.86
S.D. 4.95 4.64 3.91 4.13 4.13 3.59 3.48 3.63 4.67 3.81 3.96 3.35 1.54
SKEW -1.26 -0.50 0.24 -0.17 0.05 0.30 -0.51 -0.01 -0.15 0.27 0.01 -0.30 0.29
MAX 46.16 51.50 59.06 64.87 72.84 78.87 90.77 89.69 81.83 68.39 55.52 44.39 62.38
MIN 19.94 26.93 37.97 41.33 52.57 64.67 68.90 75.23 61.60 51.42 32.20 29.87 54.06
NO YRS 92 93 93 92 91 88 90 86 88 87 94 94 74