DELTA stat,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(052192)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199912
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 53.00 54.00 a 80.00 82.00 93.00 100.00 103.00 101.00 90.00 78.00 68.00 a 58.00 103.00
1894 58.00 56.00 a 76.00 87.00 94.00 99.00 106.00 100.00 g 88.00 80.00 62.00 a 58.00 106.00
1895 52.00 62.00 80.00 88.00 93.00 98.00 100.00 a 101.00 97.00 a 85.00 a 67.00 47.00 101.00
1896 55.00 64.00 b 83.00 88.00 a 100.00 h 106.00 j 115.00 a 108.00 93.00 a ----- z ----- z 49.00 115.00
1897 45.00 47.00 70.00 86.00 92.00 101.00 104.00 99.00 98.00 81.00 66.00 52.00 a 104.00
1898 42.00 63.00 65.00 90.00 a 89.00 105.00 107.00 107.00 92.00 80.00 70.00 56.00 107.00
1899 57.00 62.00 76.00 83.00 90.00 100.00 k 102.00 100.00 101.00 89.00 70.00 55.00 102.00
1900 56.00 65.00 80.00 83.00 95.00 106.00 109.00 109.00 99.00 84.00 70.00 54.00 109.00
1901 60.00 66.00 75.00 84.00 92.00 108.00 105.00 105.00 93.00 87.00 71.00 66.00 108.00
1902 54.00 62.00 67.00 86.00 90.00 102.00 102.00 103.00 96.00 84.00 74.00 56.00 103.00
1903 47.00 42.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.00
1904 ----- z ----- z ----- z 90.00 f 97.00 97.00 99.00 98.00 90.00 h 82.00 ----- z ----- z 99.00
1905 ----- z ----- z ----- z ----- z 90.00 a 96.00 100.00 99.00 95.00 85.00 67.00 46.00 100.00
1906 57.00 66.00 71.00 81.00 85.00 95.00 99.00 97.00 94.00 ----- z ----- z ----- z 99.00
1907 ----- z 64.00 81.00 84.00 87.00 93.00 100.00 95.00 95.00 85.00 67.00 54.00 100.00
1908 50.00 61.00 77.00 81.00 85.00 93.00 97.00 99.00 93.00 83.00 68.00 46.00 99.00
1909 61.00 52.00 70.00 84.00 84.00 100.00 101.00 99.00 90.00 85.00 85.00 56.00 101.00
1910 52.00 63.00 79.00 89.00 96.00 97.00 101.00 98.00 94.00 90.00 79.00 58.00 101.00
1911 61.00 68.00 73.00 78.00 a 90.00 98.00 98.00 98.00 92.00 80.00 63.00 55.00 98.00
1912 60.00 57.00 65.00 73.00 92.00 91.00 q 100.00 100.00 87.00 83.00 73.00 43.00 o 100.00
1913 45.00 57.00 70.00 81.00 94.00 94.00 103.00 102.00 93.00 81.00 70.00 46.00 103.00
1914 58.00 57.00 68.00 81.00 90.00 97.00 96.00 98.00 95.00 78.00 71.00 48.00 98.00
1915 45.00 55.00 68.00 80.00 90.00 98.00 99.00 98.00 96.00 85.00 84.00 57.00 99.00
1916 48.00 48.00 72.00 u 83.00 90.00 96.00 98.00 95.00 94.00 79.00 76.00 62.00 98.00
1917 48.00 59.00 74.00 78.00 84.00 96.00 100.00 94.00 93.00 87.00 75.00 65.00 100.00
1918 56.00 62.00 74.00 77.00 84.00 102.00 98.00 98.00 90.00 85.00 75.00 45.00 102.00
1919 45.00 60.00 71.00 86.00 89.00 97.00 a 98.00 98.00 92.00 76.00 67.00 53.00 98.00
1920 44.00 60.00 70.00 79.00 88.00 93.00 98.00 94.00 90.00 87.00 67.00 59.00 98.00
1921 55.00 69.00 76.00 80.00 89.00 98.00 99.00 96.00 91.00 a 85.00 70.00 63.00 99.00
1922 56.00 65.00 72.00 79.00 90.00 100.00 101.00 95.00 91.00 89.00 68.00 58.00 101.00
1923 59.00 61.00 70.00 78.00 87.00 94.00 96.00 93.00 89.00 80.00 69.00 64.00 96.00
1924 45.00 64.00 70.00 78.00 86.00 97.00 95.00 95.00 97.00 80.00 74.00 54.00 97.00
1925 47.00 55.00 75.00 a ----- z 92.00 95.00 103.00 91.00 84.00 83.00 68.00 53.00 103.00
1926 54.00 63.00 73.00 81.00 89.00 99.00 100.00 97.00 91.00 83.00 a 64.00 64.00 100.00
1927 54.00 62.00 b 69.00 85.00 92.00 a 100.00 98.00 93.00 92.00 82.00 70.00 53.00 100.00
1928 61.00 59.00 75.00 86.00 91.00 96.00 98.00 97.00 94.00 87.00 65.00 50.00 98.00
1929 48.00 a 48.00 71.00 78.00 86.00 100.00 98.00 94.00 a 89.00 83.00 63.00 64.00 100.00
1930 46.00 57.00 69.00 87.00 a 90.00 96.00 99.00 96.00 91.00 a 82.00 67.00 38.00 99.00
1931 50.00 58.00 67.00 80.00 89.00 95.00 104.00 96.00 94.00 83.00 68.00 44.00 a 104.00
1932 44.00 68.00 72.00 80.00 85.00 96.00 99.00 96.00 91.00 84.00 63.00 51.00 99.00
1933 44.00 60.00 77.00 73.00 90.00 99.00 101.00 101.00 97.00 88.00 65.00 54.00 101.00
1934 56.00 62.00 75.00 86.00 94.00 99.00 103.00 102.00 94.00 85.00 70.00 51.00 103.00
1935 55.00 63.00 71.00 80.00 87.00 98.00 101.00 96.00 95.00 87.00 69.00 50.00 a 101.00
1936 50.00 60.00 71.00 85.00 95.00 103.00 101.00 100.00 90.00 84.00 62.00 53.00 103.00
1937 48.00 60.00 70.00 87.00 93.00 98.00 102.00 100.00 93.00 81.00 73.00 52.00 102.00
1938 47.00 ----- z 70.00 84.00 91.00 94.00 a 100.00 101.00 92.00 83.00 60.00 53.00 101.00
1939 43.00 42.00 73.00 a 87.00 a 90.00 98.00 104.00 h 100.00 93.00 b 80.00 69.00 63.00 104.00
1940 51.00 69.00 75.00 83.00 93.00 104.00 105.00 102.00 97.00 80.00 70.00 50.00 105.00
1941 42.00 63.00 73.00 74.00 93.00 98.00 100.00 a 101.00 93.00 80.00 69.00 55.00 101.00
1942 51.00 55.00 67.00 82.00 93.00 101.00 104.00 101.00 100.00 90.00 71.00 56.00 104.00
1943 57.00 67.00 80.00 92.00 95.00 98.00 103.00 98.00 95.00 85.00 68.00 58.00 103.00
1944 47.00 60.00 65.00 75.00 91.00 99.00 100.00 102.00 94.00 89.00 h 73.00 53.00 102.00
1945 48.00 65.00 70.00 83.00 90.00 97.00 102.00 100.00 100.00 88.00 70.00 50.00 102.00
1946 58.00 67.00 79.00 88.00 84.00 100.00 101.00 100.00 96.00 80.00 60.00 60.00 101.00
1947 52.00 63.00 73.00 81.00 95.00 98.00 103.00 102.00 96.00 90.00 69.00 55.00 103.00
1948 52.00 58.00 69.00 85.00 95.00 98.00 101.00 98.00 99.00 86.00 65.00 62.00 101.00
1949 48.00 54.00 73.00 89.00 91.00 95.00 100.00 102.00 95.00 86.00 68.00 54.00 102.00
1950 58.00 65.00 72.00 85.00 90.00 100.00 103.00 100.00 100.00 88.00 72.00 53.00 103.00
1951 58.00 65.00 72.00 80.00 96.00 97.00 100.00 99.00 94.00 83.00 65.00 53.00 100.00
1952 54.00 56.00 69.00 85.00 89.00 100.00 a 101.00 99.00 96.00 86.00 72.00 42.00 101.00
1953 60.00 64.00 80.00 86.00 90.00 100.00 102.00 96.00 92.00 87.00 70.00 47.00 102.00
1954 60.00 69.00 71.00 84.00 99.00 106.00 103.00 100.00 97.00 87.00 66.00 45.00 106.00
1955 51.00 52.00 72.00 80.00 87.00 99.00 101.00 97.00 97.00 85.00 63.00 61.00 101.00
1956 66.00 62.00 80.00 80.00 97.00 99.00 98.00 97.00 93.00 86.00 64.00 54.00 99.00
1957 54.00 60.00 71.00 76.00 87.00 98.00 99.00 99.00 89.00 87.00 68.00 56.00 99.00
1958 50.00 69.00 61.00 80.00 93.00 98.00 102.00 100.00 93.00 80.00 74.00 61.00 102.00
1959 58.00 61.00 70.00 86.00 95.00 99.00 100.00 97.00 94.00 77.00 65.00 52.00 100.00
1960 55.00 46.00 74.00 85.00 94.00 98.00 102.00 99.00 95.00 81.00 65.00 53.00 102.00
1961 49.00 64.00 72.00 83.00 90.00 100.00 100.00 96.00 84.00 78.00 58.00 58.00 100.00
1962 49.00 72.00 76.00 88.00 91.00 97.00 99.00 98.00 92.00 81.00 68.00 53.00 99.00
1963 43.00 59.00 80.00 80.00 88.00 98.00 100.00 94.00 91.00 86.00 68.00 50.00 100.00
1964 56.00 58.00 72.00 82.00 93.00 95.00 101.00 96.00 90.00 84.00 72.00 62.00 101.00
1965 60.00 61.00 75.00 85.00 89.00 92.00 97.00 99.00 85.00 80.00 70.00 58.00 99.00
1966 52.00 55.00 76.00 80.00 91.00 95.00 99.00 97.00 90.00 77.00 69.00 58.00 99.00
1967 56.00 61.00 75.00 79.00 93.00 94.00 96.00 95.00 93.00 82.00 67.00 46.00 96.00
1968 49.00 60.00 75.00 78.00 89.00 98.00 98.00 89.00 90.00 84.00 60.00 60.00 98.00
1969 56.00 63.00 76.00 87.00 94.00 95.00 100.00 101.00 91.00 78.00 69.00 60.00 101.00
1970 64.00 68.00 68.00 78.00 91.00 103.00 100.00 100.00 90.00 84.00 68.00 59.00 103.00
1971 62.00 63.00 80.00 82.00 89.00 102.00 102.00 98.00 94.00 84.00 65.00 49.00 102.00
1972 63.00 78.00 78.00 82.00 89.00 95.00 104.00 100.00 90.00 ----- z 59.00 ----- z 104.00
1973 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1974 42.00 50.00 77.00 82.00 93.00 101.00 101.00 98.00 95.00 85.00 65.00 59.00 101.00
1975 50.00 59.00 ----- z ----- z ----- z ----- z 98.00 96.00 91.00 85.00 71.00 54.00 98.00
1976 52.00 67.00 72.00 80.00 ----- z ----- z ----- z ----- z ----- z ----- z 70.00 58.00 80.00
1977 50.00 65.00 70.00 84.00 94.00 97.00 99.00 100.00 97.00 86.00 77.00 59.00 100.00
1978 ----- z 59.00 78.00 80.00 89.00 97.00 102.00 101.00 99.00 88.00 73.00 ----- z 102.00
1979 45.00 b ----- z 63.00 81.00 87.00 102.00 100.00 103.00 98.00 88.00 62.00 a 56.00 103.00
1980 53.00 63.00 65.00 84.00 86.00 99.00 101.00 101.00 95.00 89.00 77.00 67.00 101.00
1981 61.00 a 73.00 71.00 89.00 90.00 104.00 103.00 103.00 91.00 84.00 71.00 58.00 a 104.00
1982 65.00 a 69.00 68.00 76.00 87.00 99.00 104.00 f 99.00 95.00 82.00 65.00 60.00 104.00
1983 54.00 65.00 69.00 77.00 90.00 94.00 97.00 98.00 95.00 79.00 72.00 48.00 98.00
1984 43.00 57.00 69.00 82.00 90.00 i 95.00 t 97.00 95.00 93.00 76.00 69.00 55.00 97.00
1985 52.00 57.00 70.00 82.00 86.00 99.00 101.00 ----- z 94.00 76.00 64.00 a 53.00 101.00
1986 63.00 72.00 80.00 83.00 88.00 95.00 98.00 100.00 93.00 78.00 66.00 l 56.00 100.00
1987 55.00 c 56.00 69.00 85.00 a 88.00 95.00 a ----- z 97.00 93.00 86.00 72.00 55.00 97.00
1988 44.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.00 53.00
1989 58.00 70.00 82.00 88.00 92.00 95.00 j 105.00 98.00 83.00 89.00 74.00 j 53.00 105.00
1990 55.00 67.00 77.00 83.00 89.00 105.00 106.00 101.00 99.00 82.00 68.00 47.00 106.00
1991 36.00 61.00 67.00 80.00 88.00 92.00 99.00 95.00 92.00 84.00 63.00 48.00 99.00
1992 40.00 62.00 69.00 89.00 89.00 95.00 98.00 97.00 t 91.00 86.00 58.00 53.00 98.00
1993 56.00 57.00 74.00 79.00 88.00 96.00 96.00 92.00 84.00 80.00 56.00 53.00 96.00
1994 54.00 60.00 69.00 79.00 88.00 103.00 99.00 99.00 91.00 78.00 71.00 54.00 103.00
1995 57.00 68.00 73.00 75.00 83.00 94.00 99.00 98.00 99.00 82.00 71.00 62.00 99.00
1996 52.00 64.00 72.00 84.00 94.00 96.00 99.00 100.00 94.00 85.00 66.00 58.00 100.00
1997 54.00 60.00 77.00 78.00 89.00 95.00 98.00 m 94.00 90.00 85.00 69.00 51.00 98.00
1998 55.00 64.00 78.00 81.00 o ----- z 101.00 101.00 99.00 n 95.00 s 82.00 m 67.00 n 62.00 c 101.00
1999 51.00 64.00 75.00 79.00 86.00 96.00 99.00 93.00 87.00 85.00 a 73.00 66.00 99.00
Period of Record Statistics
MEAN 52.52 61.08 72.82 82.30 90.27 98.11 100.61 98.43 93.09 83.43 68.42 54.74 100.99
S.D. 6.19 6.28 4.54 4.00 3.32 3.26 2.95 3.34 3.68 3.52 4.98 5.71 2.60
SKEW -0.15 -0.59 0.07 -0.04 0.09 0.61 1.46 0.23 -0.33 -0.21 0.35 -0.17 0.64
MAX 66.00 78.00 83.00 92.00 99.00 108.00 115.00 109.00 101.00 90.00 85.00 67.00 109.00
MIN 36.00 42.00 61.00 73.00 83.00 92.00 95.00 89.00 83.00 76.00 56.00 38.00 96.00
NO YRS 102 101 100 99 99 97 99 99 101 98 98 100 77