BOISE AIR TERMINAL,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(101022)

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
1940 52.00 63.00 70.00 78.00 92.00 109.00 99.00 100.00 93.00 78.00 59.00 55.00 109.00
1941 48.00 58.00 73.00 80.00 93.00 99.00 101.00 96.00 86.00 75.00 68.00 60.00 101.00
1942 48.00 50.00 70.00 84.00 90.00 92.00 104.00 102.00 95.00 87.00 64.00 48.00 104.00
1943 53.00 58.00 76.00 84.00 83.00 91.00 102.00 99.00 93.00 86.00 60.00 56.00 102.00
1944 47.00 52.00 65.00 78.00 87.00 97.00 98.00 99.00 96.00 82.00 59.00 51.00 99.00
1945 53.00 52.00 61.00 83.00 84.00 102.00 97.00 99.00 102.00 85.00 67.00 59.00 102.00
1946 51.00 53.00 70.00 92.00 84.00 91.00 103.00 105.00 93.00 68.00 57.00 57.00 105.00
1947 50.00 59.00 69.00 78.00 95.00 90.00 104.00 103.00 97.00 88.00 73.00 48.00 104.00
1948 58.00 56.00 60.00 79.00 93.00 98.00 99.00 95.00 95.00 80.00 62.00 48.00 99.00
1949 36.00 50.00 63.00 82.00 94.00 97.00 104.00 105.00 93.00 70.00 70.00 52.00 105.00
1950 54.00 66.00 66.00 73.00 82.00 103.00 98.00 101.00 101.00 88.00 68.00 50.00 103.00
1951 56.00 64.00 63.00 76.00 85.00 89.00 103.00 102.00 93.00 87.00 62.00 53.00 103.00
1952 46.00 53.00 62.00 84.00 86.00 98.00 97.00 97.00 90.00 82.00 60.00 51.00 98.00
1953 63.00 60.00 71.00 78.00 84.00 85.00 105.00 100.00 96.00 86.00 68.00 49.00 105.00
1954 56.00 63.00 66.00 77.00 93.00 99.00 100.00 98.00 95.00 83.00 69.00 56.00 100.00
1955 42.00 45.00 62.00 74.00 86.00 102.00 104.00 105.00 98.00 83.00 64.00 62.00 105.00
1956 57.00 58.00 74.00 81.00 90.00 97.00 106.00 96.00 91.00 81.00 63.00 53.00 106.00
1957 45.00 57.00 62.00 79.00 85.00 94.00 100.00 98.00 93.00 73.00 57.00 59.00 100.00
1958 50.00 67.00 60.00 73.00 94.00 97.00 100.00 99.00 92.00 84.00 64.00 53.00 100.00
1959 58.00 59.00 66.00 78.00 94.00 99.00 106.00 97.00 95.00 73.00 61.00 51.00 106.00
1960 47.00 52.00 74.00 80.00 86.00 98.00 111.00 98.00 94.00 86.00 67.00 57.00 111.00
1961 55.00 64.00 71.00 78.00 96.00 104.00 102.00 110.00 87.00 80.00 58.00 53.00 110.00
1962 51.00 53.00 68.00 86.00 79.00 102.00 99.00 97.00 89.00 90.00 65.00 57.00 102.00
1963 46.00 64.00 73.00 81.00 86.00 93.00 99.00 104.00 100.00 91.00 67.00 43.00 104.00
1964 47.00 44.00 74.00 73.00 93.00 95.00 101.00 101.00 86.00 82.00 66.00 65.00 101.00
1965 52.00 62.00 72.00 76.00 86.00 95.00 99.00 103.00 82.00 87.00 71.00 55.00 103.00
1966 52.00 53.00 78.00 82.00 98.00 95.00 98.00 103.00 99.00 78.00 67.00 51.00 103.00
1967 56.00 62.00 66.00 64.00 90.00 95.00 107.00 103.00 98.00 78.00 71.00 52.00 107.00
1968 51.00 66.00 70.00 85.00 88.00 102.00 104.00 96.00 93.00 78.00 59.00 59.00 104.00
1969 55.00 51.00 74.00 79.00 90.00 98.00 98.00 107.00 94.00 71.00 68.00 59.00 107.00
1970 56.00 60.00 59.00 75.00 88.00 102.00 101.00 102.00 89.00 83.00 62.00 53.00 102.00
1971 55.00 59.00 66.00 73.00 86.00 98.00 100.00 104.00 93.00 81.00 63.00 49.00 104.00
1972 49.00 61.00 76.00 76.00 96.00 95.00 99.00 102.00 88.00 78.00 61.00 54.00 102.00
1973 52.00 60.00 63.00 75.00 90.00 103.00 103.00 99.00 93.00 81.00 64.00 55.00 103.00
1974 56.00 59.00 63.00 77.00 86.00 105.00 101.00 97.00 90.00 82.00 65.00 55.00 105.00
1975 51.00 52.00 62.00 67.00 91.00 90.00 108.00 97.00 94.00 90.00 73.00 57.00 108.00
1976 52.00 62.00 66.00 73.00 91.00 101.00 103.00 96.00 100.00 82.00 66.00 57.00 103.00
1977 41.00 69.00 70.00 91.00 93.00 101.00 100.00 102.00 93.00 79.00 65.00 54.00 102.00
1978 56.00 54.00 81.00 73.00 83.00 92.00 105.00 102.00 95.00 81.00 67.00 58.00 105.00
1979 41.00 51.00 65.00 74.00 90.00 100.00 102.00 99.00 96.00 83.00 61.00 55.00 102.00
1980 54.00 63.00 61.00 82.00 90.00 90.00 106.00 96.00 92.00 86.00 69.00 57.00 106.00
1981 52.00 63.00 66.00 82.00 83.00 97.00 102.00 101.00 96.00 75.00 66.00 56.00 102.00
1982 45.00 58.00 61.00 75.00 84.00 93.00 98.00 96.00 92.00 76.00 56.00 53.00 98.00
1983 53.00 63.00 66.00 72.00 94.00 94.00 99.00 106.00 91.00 77.00 70.00 48.00 106.00
1984 43.00 47.00 64.00 79.00 94.00 102.00 104.00 101.00 95.00 85.00 66.00 42.00 104.00
1985 34.00 47.00 60.00 83.00 88.00 99.00 101.00 97.00 82.00 76.00 67.00 45.00 101.00
1986 53.00 70.00 76.00 83.00 98.00 99.00 97.00 105.00 93.00 77.00 63.00 45.00 105.00
1987 53.00 59.00 70.00 92.00 94.00 101.00 104.00 100.00 101.00 86.00 61.00 63.00 104.00
1988 51.00 66.00 77.00 82.00 93.00 104.00 103.00 100.00 95.00 87.00 74.00 40.00 104.00
1989 48.00 53.00 68.00 83.00 91.00 98.00 108.00 99.00 92.00 83.00 68.00 49.00 108.00
1990 58.00 58.00 71.00 85.00 86.00 103.00 104.00 109.00 98.00 87.00 69.00 52.00 109.00
1991 49.00 63.00 74.00 74.00 82.00 93.00 103.00 100.00 94.00 87.00 55.00 53.00 103.00
1992 61.00 71.00 75.00 89.00 93.00 100.00 106.00 103.00 96.00 94.00 54.00 54.00 106.00
1993 45.00 52.00 68.00 70.00 94.00 99.00 102.00 98.00 95.00 87.00 66.00 60.00 102.00
1994 47.00 58.00 73.00 89.00 91.00 100.00 106.00 105.00 95.00 80.00 63.00 53.00 106.00
1995 57.00 67.00 67.00 74.00 87.00 96.00 102.00 99.00 97.00 82.00 61.00 61.00 102.00
1996 53.00 58.00 67.00 82.00 83.00 98.00 103.00 104.00 95.00 88.00 63.00 58.00 104.00
1997 60.00 59.00 80.00 76.00 89.00 91.00 101.00 101.00 97.00 94.00 73.00 47.00 101.00
1998 57.00 57.00 69.00 84.00 85.00 92.00 108.00 105.00 100.00 79.00 65.00 54.00 108.00
1999 54.00 58.00 71.00 77.00 90.00 100.00 102.00 98.00 92.00 82.00 78.00 49.00 102.00
2000 57.00 61.00 66.00 87.00 87.00 98.00 102.00 102.00 101.00 85.00 59.00 46.00 102.00
2001 45.00 53.00 71.00 81.00 97.00 99.00 106.00 102.00 92.00 86.00 69.00 46.00 106.00
2002 52.00 61.00 70.00 74.00 88.00 101.00 110.00 98.00 96.00 76.00 64.00 58.00 110.00
2003 58.00 56.00 72.00 77.00 99.00 101.00 108.00 102.00 96.00 85.00 62.00 58.00 108.00
2004 47.00 57.00 79.00 82.00 89.00 97.00 104.00 102.00 90.00 87.00 57.00 56.00 104.00
2005 54.00 59.00 70.00 76.00 87.00 101.00 107.00 105.00 95.00 86.00 67.00 52.00 107.00
2006 52.00 61.00 63.00 81.00 94.00 101.00 107.00 104.00 95.00 78.00 73.00 54.00 107.00
2007 51.00 57.00 75.00 83.00 93.00 98.00 105.00 100.00 101.00 83.00 62.00 61.00 105.00
2008 48.00 59.00 61.00 80.00 94.00 105.00 102.00 103.00 94.00 91.00 67.00 56.00 105.00
2009 55.00 59.00 72.00 86.00 95.00 96.00 106.00 102.00 95.00 78.00 64.00 48.00 106.00
2010 53.00 55.00 68.00 83.00 84.00 102.00 102.00 104.00 95.00 90.00 70.00 50.00 104.00
2011 55.00 64.00 69.00 70.00 84.00 95.00 103.00 100.00 98.00 90.00 58.00 57.00 103.00
2012 55.00 56.00 77.00 91.00 88.00 97.00 108.00 106.00 95.00 82.00 74.00 62.00 108.00
2013 47.00 57.00 73.00 69.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 26.00 z 73.00
Period of Record Statistics
MEAN 51.35 58.19 68.78 79.36 89.42 97.71 102.73 100.97 94.12 82.53 64.85 53.59 104.11
S.D. 5.45 5.72 5.44 5.73 4.57 4.46 3.31 3.33 4.04 5.50 5.02 5.15 2.86
SKEW -0.72 -0.18 0.13 0.07 0.02 -0.33 0.24 0.31 -0.62 -0.31 0.10 -0.30 0.14
MAX 63.00 71.00 81.00 92.00 99.00 109.00 111.00 110.00 102.00 94.00 78.00 65.00 111.00
MIN 34.00 44.00 59.00 64.00 79.00 85.00 97.00 95.00 82.00 68.00 54.00 40.00 98.00
NO YRS 74 74 74 73 73 73 73 73 73 73 73 73 73