DELTA stat,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(422090)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1937 ----- z 59.00 p ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 59.00
1938 ----- z ----- z ----- z ----- z ----- z 100.00 109.00 110.00 101.00 82.00 57.00 56.00 110.00
1939 49.00 48.00 72.00 a 84.00 93.00 100.00 106.00 103.00 97.00 77.00 73.00 66.00 106.00
1940 56.00 64.00 ----- z ----- z ----- z ----- z 105.00 104.00 d 95.00 80.00 66.00 57.00 105.00
1941 51.00 64.00 70.00 75.00 93.00 98.00 101.00 99.00 95.00 83.00 68.00 58.00 101.00
1942 55.00 55.00 72.00 83.00 92.00 96.00 105.00 103.00 93.00 85.00 72.00 58.00 105.00
1943 58.00 62.00 79.00 88.00 92.00 97.00 106.00 100.00 u ----- z 86.00 d 69.00 53.00 106.00
1944 47.00 51.00 64.00 73.00 85.00 97.00 99.00 97.00 94.00 83.00 67.00 58.00 99.00
1945 58.00 62.00 68.00 82.00 83.00 94.00 a 100.00 95.00 95.00 82.00 70.00 52.00 100.00
1946 47.00 66.00 75.00 85.00 81.00 97.00 99.00 101.00 92.00 73.00 61.00 60.00 101.00
1947 54.00 62.00 72.00 78.00 92.00 94.00 100.00 98.00 96.00 87.00 72.00 54.00 100.00
1948 60.00 59.00 66.00 82.00 91.00 97.00 99.00 98.00 98.00 83.00 67.00 56.00 99.00
1949 37.00 45.00 a 52.00 s 86.00 a 88.00 95.00 100.00 100.00 96.00 84.00 69.00 60.00 100.00
1950 56.00 68.00 71.00 84.00 88.00 99.00 102.00 99.00 100.00 87.00 69.00 57.00 102.00
1951 57.00 70.00 68.00 77.00 94.00 95.00 105.00 99.00 90.00 81.00 66.00 52.00 105.00
1952 47.00 53.00 65.00 79.00 85.00 94.00 100.00 98.00 95.00 85.00 64.00 50.00 100.00
1953 64.00 64.00 75.00 83.00 81.00 98.00 103.00 97.00 94.00 86.00 72.00 54.00 103.00
1954 58.00 64.00 68.00 83.00 93.00 106.00 102.00 102.00 98.00 85.00 69.00 53.00 106.00
1955 42.00 44.00 69.00 77.00 88.00 101.00 102.00 99.00 98.00 82.00 66.00 59.00 102.00
1956 61.00 57.00 78.00 78.00 93.00 99.00 101.00 99.00 96.00 87.00 67.00 57.00 101.00
1957 55.00 60.00 68.00 73.00 84.00 100.00 101.00 101.00 93.00 85.00 57.00 55.00 101.00
1958 53.00 69.00 63.00 78.00 92.00 101.00 102.00 103.00 97.00 83.00 73.00 56.00 103.00
1959 61.00 57.00 65.00 86.00 90.00 100.00 103.00 98.00 94.00 80.00 66.00 55.00 103.00
1960 46.00 54.00 76.00 82.00 91.00 95.00 105.00 102.00 91.00 82.00 70.00 59.00 105.00
1961 54.00 63.00 69.00 79.00 88.00 102.00 101.00 96.00 90.00 83.00 61.00 50.00 102.00
1962 55.00 60.00 73.00 85.00 86.00 99.00 98.00 101.00 92.00 83.00 69.00 59.00 a 101.00
1963 50.00 67.00 72.00 79.00 87.00 93.00 100.00 100.00 94.00 88.00 66.00 45.00 100.00
1964 45.00 54.00 76.00 79.00 89.00 95.00 99.00 100.00 90.00 87.00 68.00 66.00 100.00
1965 61.00 65.00 75.00 82.00 86.00 92.00 98.00 97.00 87.00 86.00 74.00 59.00 98.00
1966 51.00 56.00 77.00 80.00 92.00 98.00 102.00 100.00 93.00 80.00 69.00 58.00 102.00
1967 48.00 62.00 71.00 70.00 93.00 95.00 101.00 99.00 95.00 81.00 74.00 44.00 101.00
1968 49.00 61.00 75.00 78.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 78.00
1969 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1970 ----- z ----- z ----- z ----- z ----- z 103.00 ----- z 102.00 91.00 83.00 66.00 57.00 103.00
1971 58.00 61.00 77.00 77.00 81.00 j 101.00 102.00 c 99.00 96.00 81.00 65.00 54.00 102.00
1972 60.00 74.00 80.00 78.00 92.00 100.00 104.00 b 103.00 88.00 a 83.00 60.00 57.00 104.00
1973 42.00 61.00 61.00 81.00 90.00 102.00 104.00 99.00 93.00 82.00 75.00 62.00 104.00
1974 60.00 62.00 75.00 81.00 91.00 105.00 102.00 a 97.00 98.00 86.00 65.00 60.00 105.00
1975 62.00 64.00 71.00 74.00 86.00 92.00 100.00 100.00 90.00 86.00 70.00 61.00 100.00
1976 53.00 69.00 70.00 77.00 90.00 100.00 102.00 97.00 94.00 85.00 68.00 54.00 102.00
1977 49.00 66.00 71.00 85.00 ----- z 99.00 104.00 100.00 97.00 82.00 70.00 64.00 104.00
1978 53.00 60.00 76.00 75.00 86.00 94.00 100.00 100.00 94.00 83.00 68.00 43.00 100.00
1979 43.00 52.00 64.00 79.00 88.00 98.00 100.00 103.00 95.00 89.00 63.00 59.00 103.00
1980 57.00 70.00 67.00 85.00 88.00 97.00 101.00 100.00 91.00 83.00 77.00 63.00 101.00
1981 56.00 68.00 68.00 84.00 88.00 102.00 104.00 97.00 92.00 76.00 71.00 64.00 104.00
1982 57.00 68.00 66.00 82.00 89.00 94.00 101.00 98.00 94.00 74.00 64.00 45.00 101.00
1983 50.00 66.00 71.00 72.00 92.00 94.00 100.00 98.00 93.00 79.00 74.00 55.00 100.00
1984 39.00 55.00 63.00 83.00 93.00 100.00 100.00 99.00 93.00 81.00 71.00 51.00 100.00
1985 51.00 51.00 72.00 84.00 87.00 98.00 102.00 99.00 90.00 81.00 71.00 53.00 102.00
1986 58.00 73.00 81.00 83.00 90.00 97.00 100.00 100.00 93.00 76.00 69.00 57.00 100.00
1987 55.00 61.00 71.00 89.00 90.00 99.00 99.00 100.00 93.00 86.00 65.00 60.00 100.00
1988 45.00 61.00 74.00 82.00 89.00 101.00 102.00 98.00 94.00 86.00 76.00 52.00 102.00
1989 46.00 64.00 79.00 84.00 90.00 97.00 104.00 96.00 92.00 85.00 74.00 59.00 104.00
1990 61.00 57.00 75.00 82.00 85.00 104.00 104.00 101.00 98.00 85.00 73.00 57.00 104.00
1991 37.00 65.00 68.00 83.00 83.00 96.00 102.00 99.00 93.00 86.00 65.00 51.00 102.00
1992 49.00 67.00 69.00 86.00 87.00 97.00 100.00 101.00 92.00 92.00 61.00 59.00 101.00
1993 48.00 54.00 77.00 80.00 87.00 96.00 96.00 96.00 95.00 87.00 67.00 64.00 96.00
1994 56.00 66.00 77.00 88.00 94.00 102.00 104.00 103.00 95.00 78.00 63.00 53.00 104.00
1995 55.00 68.00 71.00 76.00 81.00 95.00 104.00 100.00 96.00 82.00 72.00 70.00 104.00
1996 57.00 66.00 77.00 83.00 92.00 101.00 104.00 102.00 94.00 90.00 70.00 62.00 104.00
1997 58.00 60.00 84.00 83.00 92.00 97.00 103.00 100.00 95.00 90.00 73.00 52.00 103.00
1998 60.00 58.00 83.00 81.00 83.00 99.00 108.00 105.00 94.00 84.00 66.00 65.00 108.00
1999 60.00 74.00 79.00 83.00 90.00 100.00 100.00 98.00 92.00 92.00 76.00 55.00 100.00
2000 59.00 64.00 76.00 88.00 96.00 96.00 104.00 105.00 99.00 92.00 52.00 53.00 105.00
2001 52.00 60.00 76.00 85.00 98.00 105.00 109.00 106.00 97.00 87.00 73.00 52.00 109.00
2002 55.00 65.00 77.00 85.00 102.00 104.00 110.00 104.00 94.00 75.00 60.00 58.00 110.00
2003 64.00 63.00 77.00 79.00 103.00 101.00 108.00 105.00 93.00 90.00 59.00 60.00 108.00
2004 49.00 51.00 84.00 82.00 92.00 100.00 103.00 102.00 98.00 86.00 60.00 58.00 103.00
2005 52.00 61.00 72.00 80.00 93.00 96.00 107.00 100.00 95.00 85.00 69.00 64.00 107.00
2006 63.00 68.00 71.00 80.00 95.00 ----- z 109.00 101.00 98.00 84.00 79.00 56.00 109.00
2007 45.00 63.00 80.00 93.00 94.00 104.00 107.00 104.00 100.00 82.00 74.00 52.00 107.00
2008 50.00 63.00 76.00 85.00 96.00 104.00 105.00 104.00 97.00 89.00 77.00 61.00 105.00
2009 57.00 68.00 76.00 87.00 98.00 102.00 108.00 105.00 97.00 86.00 78.00 48.00 108.00
2010 49.00 55.00 76.00 82.00 84.00 102.00 105.00 102.00 98.00 92.00 71.00 60.00 105.00
2011 51.00 62.00 72.00 85.00 a 87.00 98.00 a 102.00 106.00 93.00 87.00 64.00 59.00 106.00
2012 61.00 64.00 a 78.00 94.00 a 95.00 103.00 108.00 103.00 97.00 86.00 71.00 57.00 108.00
2013 44.00 51.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 51.00
Period of Record Statistics
MEAN 53.03 61.44 72.86 81.59 89.94 98.62 102.71 100.49 94.44 83.97 68.30 56.60 102.85
S.D. 6.49 6.45 5.24 4.54 4.56 3.37 3.07 2.86 2.86 4.12 5.37 5.24 2.90
SKEW -0.46 -0.53 -0.09 -0.03 0.30 0.11 0.47 0.61 -0.09 -0.35 -0.47 -0.26 0.36
MAX 64.00 74.00 84.00 94.00 103.00 106.00 110.00 110.00 101.00 92.00 79.00 70.00 110.00
MIN 37.00 44.00 61.00 70.00 81.00 92.00 96.00 95.00 87.00 73.00 52.00 43.00 96.00
NO YRS 73 73 70 71 68 71 72 72 72 73 73 73 65