COUNCIL, IDAHO

Monthly Extreme Maximum 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 96.00 96.00 91.00 ----- z 55.00 g 49.00 96.00
1912 44.00 45.00 64.00 77.00 83.00 97.00 100.00 c 94.00 a 81.00 77.00 62.00 42.00 g 100.00
1913 44.00 44.00 49.00 75.00 91.00 93.00 b 96.00 97.00 b 92.00 d 78.00 60.00 a 45.00 a 97.00
1914 41.00 g 44.00 66.00 71.00 o 92.00 c 94.00 98.00 a 99.00 90.00 78.00 66.00 b 52.00 f 99.00
1915 47.00 a 60.00 a ----- z 85.00 76.00 90.00 97.00 102.00 89.00 75.00 62.00 50.00 102.00
1916 42.00 a 46.00 59.00 78.00 78.00 98.00 96.00 98.00 93.00 76.00 65.00 43.00 98.00
1917 48.00 44.00 50.00 60.00 77.00 89.00 100.00 96.00 90.00 82.00 65.00 56.00 100.00
1918 58.00 47.00 65.00 74.00 82.00 98.00 98.00 91.00 89.00 79.00 59.00 53.00 98.00
1919 47.00 46.00 66.00 81.00 97.00 99.00 104.00 98.00 90.00 70.00 ----- z ----- z 104.00
1920 46.00 50.00 58.00 68.00 79.00 91.00 101.00 102.00 91.00 83.00 54.00 42.00 102.00
1921 49.00 51.00 60.00 68.00 84.00 92.00 98.00 98.00 81.00 85.00 67.00 53.00 98.00
1922 40.00 49.00 56.00 69.00 90.00 98.00 102.00 99.00 92.00 87.00 62.00 48.00 102.00
1923 59.00 54.00 67.00 78.00 86.00 92.00 100.00 a 99.00 96.00 82.00 65.00 46.00 100.00
1924 45.00 54.00 55.00 75.00 97.00 102.00 105.00 102.00 100.00 78.00 68.00 45.00 105.00
1925 45.00 49.00 a 62.00 c 76.00 83.00 100.00 106.00 98.00 92.00 71.00 58.00 54.00 106.00
1926 47.00 53.00 70.00 84.00 80.00 101.00 102.00 100.00 84.00 80.00 a 65.00 49.00 102.00
1927 42.00 45.00 65.00 83.00 89.00 93.00 100.00 95.00 87.00 79.00 64.00 48.00 100.00
1928 41.00 41.00 67.00 75.00 95.00 96.00 104.00 103.00 95.00 73.00 57.00 45.00 104.00
1929 39.00 41.00 62.00 69.00 89.00 90.00 101.00 103.00 88.00 76.00 60.00 59.00 103.00
1930 44.00 50.00 69.00 80.00 87.00 93.00 104.00 100.00 94.00 75.00 69.00 36.00 a 104.00
1931 39.00 42.00 58.00 79.00 92.00 95.00 107.00 102.00 97.00 79.00 66.00 45.00 107.00
1932 42.00 43.00 60.00 75.00 85.00 98.00 100.00 99.00 100.00 85.00 54.00 50.00 100.00
1933 67.00 40.00 51.00 75.00 86.00 96.00 107.00 104.00 92.00 90.00 b 66.00 55.00 107.00
1934 50.00 60.00 73.00 89.00 92.00 93.00 107.00 101.00 99.00 87.00 72.00 45.00 107.00
1935 45.00 48.00 59.00 70.00 81.00 91.00 107.00 99.00 94.00 88.00 53.00 45.00 107.00
1936 44.00 45.00 53.00 88.00 94.00 100.00 109.00 100.00 89.00 84.00 61.00 47.00 109.00
1937 35.00 46.00 56.00 77.00 82.00 98.00 101.00 98.00 98.00 80.00 65.00 d 53.00 101.00
1938 47.00 56.00 57.00 81.00 85.00 97.00 a 100.00 96.00 95.00 80.00 ----- z ----- z 100.00
1939 ----- z ----- z ----- z 87.00 89.00 100.00 106.00 101.00 95.00 75.00 64.00 61.00 106.00
1940 48.00 53.00 70.00 73.00 89.00 104.00 103.00 ----- z 93.00 76.00 57.00 51.00 a 104.00
1941 49.00 50.00 a 69.00 78.00 89.00 91.00 a 101.00 100.00 80.00 a 74.00 64.00 61.00 101.00
1942 47.00 46.00 67.00 79.00 ----- z ----- z 104.00 102.00 95.00 84.00 55.00 42.00 104.00
1943 44.00 50.00 69.00 82.00 a 84.00 87.00 102.00 b 96.00 95.00 89.00 61.00 51.00 102.00
1944 1070.00 50.00 62.00 75.00 87.00 95.00 103.00 97.00 97.00 85.00 61.00 43.00 1070.00
1945 43.00 52.00 61.00 79.00 86.00 93.00 98.00 96.00 98.00 84.00 62.00 46.00 98.00
1946 44.00 49.00 68.00 88.00 84.00 92.00 102.00 102.00 89.00 72.00 57.00 54.00 102.00
1947 44.00 59.00 74.00 81.00 92.00 85.00 99.00 99.00 94.00 80.00 60.00 b 49.00 99.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 93.00 92.00 81.00 58.00 41.00 93.00
1949 33.00 49.00 56.00 80.00 90.00 94.00 103.00 102.00 94.00 71.00 67.00 51.00 103.00
1950 47.00 52.00 62.00 71.00 82.00 95.00 95.00 98.00 101.00 81.00 62.00 50.00 101.00
1951 42.00 50.00 58.00 78.00 83.00 89.00 101.00 100.00 90.00 79.00 d 65.00 53.00 101.00
1952 42.00 43.00 48.00 84.00 l 84.00 95.00 102.00 98.00 93.00 87.00 59.00 43.00 102.00
1953 54.00 55.00 g ----- z 77.00 82.00 82.00 103.00 99.00 96.00 83.00 67.00 43.00 103.00
1954 44.00 60.00 61.00 72.00 92.00 96.00 102.00 98.00 93.00 83.00 69.00 48.00 102.00
1955 41.00 43.00 52.00 68.00 83.00 98.00 100.00 103.00 102.00 78.00 58.00 56.00 103.00
1956 45.00 50.00 71.00 79.00 90.00 92.00 103.00 101.00 93.00 85.00 60.00 49.00 103.00
1957 36.00 48.00 60.00 79.00 90.00 97.00 97.00 95.00 94.00 88.00 58.00 47.00 97.00
1958 45.00 55.00 58.00 70.00 93.00 96.00 a 100.00 98.00 94.00 c 85.00 59.00 47.00 100.00
1959 42.00 48.00 58.00 73.00 b 92.00 98.00 104.00 98.00 92.00 72.00 60.00 47.00 104.00
1960 41.00 45.00 70.00 75.00 82.00 96.00 103.00 99.00 91.00 ----- z ----- z 39.00 x 103.00
1961 48.00 57.00 65.00 74.00 95.00 104.00 103.00 109.00 86.00 79.00 55.00 50.00 109.00
1962 43.00 47.00 65.00 d 83.00 75.00 a 95.00 100.00 98.00 a 90.00 a 77.00 a 73.00 50.00 100.00
1963 48.00 61.00 68.00 o 73.00 88.00 91.00 92.00 a 100.00 96.00 84.00 58.00 40.00 100.00
1964 42.00 45.00 49.00 a 71.00 86.00 89.00 98.00 97.00 86.00 a 83.00 61.00 51.00 98.00
1965 47.00 49.00 d 73.00 p 73.00 84.00 93.00 98.00 99.00 83.00 82.00 67.00 53.00 99.00
1966 48.00 48.00 76.00 f 75.00 94.00 94.00 97.00 100.00 94.00 76.00 65.00 50.00 100.00
1967 48.00 49.00 o 60.00 r 63.00 87.00 94.00 103.00 103.00 96.00 77.00 60.00 48.00 m 103.00
1968 41.00 e 62.00 67.00 c 81.00 83.00 a 96.00 c 105.00 97.00 92.00 79.00 59.00 54.00 105.00
1969 44.00 39.00 64.00 81.00 85.00 95.00 98.00 104.00 95.00 69.00 62.00 49.00 104.00
1970 48.00 56.00 56.00 71.00 85.00 100.00 100.00 102.00 94.00 86.00 62.00 44.00 102.00
1971 46.00 46.00 58.00 72.00 86.00 96.00 103.00 104.00 92.00 85.00 a 50.00 42.00 104.00
1972 45.00 51.00 70.00 73.00 96.00 95.00 99.00 105.00 92.00 83.00 61.00 48.00 a 105.00
1973 42.00 b 52.00 b 62.00 73.00 92.00 99.00 103.00 103.00 96.00 77.00 67.00 46.00 103.00
1974 50.00 a 46.00 63.00 77.00 c 84.00 b 104.00 103.00 a 102.00 92.00 83.00 58.00 49.00 104.00
1975 46.00 44.00 54.00 64.00 84.00 90.00 104.00 96.00 93.00 85.00 64.00 48.00 104.00
1976 44.00 50.00 57.00 71.00 87.00 99.00 101.00 95.00 96.00 82.00 66.00 49.00 101.00
1977 40.00 60.00 65.00 90.00 88.00 102.00 99.00 104.00 94.00 a 75.00 55.00 50.00 104.00
1978 43.00 52.00 77.00 69.00 80.00 93.00 103.00 103.00 93.00 79.00 67.00 44.00 103.00
1979 39.00 45.00 64.00 74.00 91.00 99.00 105.00 99.00 94.00 87.00 66.00 44.00 105.00
1980 45.00 59.00 59.00 81.00 85.00 88.00 102.00 94.00 94.00 a 82.00 67.00 50.00 102.00
1981 51.00 57.00 65.00 a 79.00 83.00 95.00 101.00 102.00 97.00 70.00 b 63.00 b 53.00 102.00
1982 48.00 46.00 63.00 72.00 86.00 d 91.00 100.00 101.00 90.00 73.00 52.00 n 46.00 101.00
1983 45.00 54.00 65.00 70.00 o 89.00 p 89.00 101.00 106.00 91.00 76.00 a 64.00 l 43.00 j 106.00
1984 42.00 j 42.00 i 57.00 l 76.00 j 87.00 94.00 102.00 98.00 93.00 82.00 59.00 k 38.00 102.00
1985 42.00 42.00 56.00 77.00 88.00 98.00 103.00 96.00 82.00 70.00 60.00 43.00 103.00
1986 42.00 60.00 70.00 77.00 98.00 c 99.00 96.00 102.00 93.00 78.00 ----- z 51.00 102.00
1987 44.00 48.00 73.00 90.00 93.00 96.00 99.00 98.00 101.00 86.00 68.00 58.00 101.00
1988 43.00 59.00 69.00 a 80.00 90.00 99.00 103.00 103.00 98.00 91.00 72.00 42.00 103.00
1989 42.00 o 44.00 69.00 81.00 85.00 v ----- z ----- z ----- z 84.00 k 72.00 56.00 52.00 l 85.00
1990 50.00 k 40.00 t 66.00 v 83.00 k 81.00 i 98.00 k 103.00 l 106.00 i 95.00 m 86.00 k 61.00 j 49.00 n 106.00
1991 45.00 l 61.00 i 59.00 k 74.00 78.00 i 88.00 j 101.00 j 108.00 j 96.00 j 84.00 m 60.00 l 46.00 l 108.00
1992 45.00 k 62.00 l 72.00 j 81.00 m 91.00 k 100.00 j 100.00 i 105.00 m 88.00 k 93.00 k 53.00 k 42.00 n 105.00
1993 39.00 l 44.00 j 60.00 65.00 93.00 l 91.00 i 93.00 j 95.00 i 92.00 i 88.00 k 60.00 m 44.00 j 95.00
1994 43.00 m 49.00 j 71.00 j 84.00 l 89.00 j 98.00 106.00 m 102.00 91.00 k 74.00 l 59.00 j 44.00 m 106.00
1995 46.00 k 61.00 l 65.00 j 69.00 l 88.00 k 94.00 a 97.00 m 96.00 93.00 k 71.00 j 59.00 k 59.00 n 97.00
1996 44.00 n 52.00 k 62.00 l 79.00 80.00 i 94.00 k 104.00 l ----- z ----- z ----- z ----- z 47.00 l 104.00
1997 40.00 r 49.00 q ----- z ----- z 88.00 n 89.00 j 99.00 l ----- z ----- z ----- z ----- z ----- z 99.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 101.00 p 78.00 o 58.00 q 50.00 z 101.00
1999 46.00 r 61.00 q ----- z 75.00 u 92.00 r 93.00 s 107.00 s 100.00 91.00 s 79.00 s 67.00 v 46.00 w 107.00
2000 44.00 p 47.00 m 64.00 i 80.00 j 84.00 k 94.00 k 106.00 m 104.00 96.00 j 78.00 l 55.00 l 43.00 k 106.00
2001 41.00 k 47.00 j 67.00 i 79.00 j 96.00 k 95.00 n 106.00 m 103.00 94.00 q 86.00 m 66.00 o 40.00 n 106.00
2002 43.00 m 45.00 k 55.00 k 73.00 k 90.00 m 105.00 p 110.00 j 99.00 i 96.00 m 77.00 i 61.00 o 61.00 m 110.00
2003 51.00 o 52.00 k 70.00 l 74.00 i 95.00 l 97.00 m 106.00 k 102.00 l 93.00 p 87.00 k 58.00 m 49.00 n 106.00
2004 42.00 q 48.00 m 77.00 n 75.00 p 80.00 q 96.00 l 101.00 p 100.00 m 94.00 l 85.00 p 58.00 k 51.00 l 101.00
2005 45.00 n 54.00 t 74.00 m 74.00 m 72.00 m 94.00 m 99.00 o 101.00 n 83.00 r 74.00 p 58.00 o 44.00 n 101.00
2006 46.00 r 48.00 m 60.00 n 79.00 n 94.00 o 87.00 q 105.00 q 100.00 s 96.00 q 83.00 o 62.00 p 47.00 x 105.00
2007 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 103.00 96.00 77.00 60.00 54.00 e 103.00
2008 39.00 e 44.00 52.00 74.00 95.00 102.00 101.00 99.00 94.00 87.00 62.00 53.00 102.00
2009 45.00 48.00 63.00 82.00 91.00 91.00 102.00 f 101.00 92.00 u 69.00 f 60.00 47.00 102.00
2010 46.00 50.00 61.00 80.00 81.00 93.00 100.00 98.00 90.00 89.00 69.00 41.00 100.00
2011 47.00 48.00 58.00 66.00 80.00 89.00 97.00 100.00 94.00 84.00 a 54.00 48.00 c 100.00
2012 47.00 a 54.00 69.00 83.00 88.00 92.00 103.00 102.00 b 90.00 c 82.00 b 64.00 55.00 103.00
2013 41.00 45.00 69.00 74.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 74.00
Period of Record Statistics
MEAN 57.90 49.53 62.21 76.31 86.96 94.94 101.22 99.68 92.61 80.20 62.06 48.49 119.66
S.D. 115.43 5.66 6.51 6.21 5.18 4.36 3.15 3.14 4.46 5.36 4.77 5.09 129.33
SKEW 8.69 0.48 -0.15 -0.03 0.02 -0.18 -0.14 -0.02 -0.68 -0.18 -0.04 0.17 7.28
MAX 1070.00 62.00 77.00 90.00 98.00 104.00 109.00 109.00 102.00 91.00 73.00 61.00 1070.00
MIN 33.00 39.00 48.00 60.00 75.00 82.00 92.00 91.00 80.00 69.00 50.00 36.00 97.00
NO YRS 79 79 76 81 79 82 81 88 83 82 77 77 56