CHATTANOOGA TN DAILY NORMALS AND RECORDS SEPTEMBER MAX MIN AVG HDD CDD PCPN REC HIGH REC LOW REC PCPN 1 88 68 78 0 13 0.11 100 1957 49 1946 2.62 1950 2 88 68 78 0 13 0.12 100 2011 53 1987 4.30 1898 3 88 68 78 0 12 0.12 100 1954 51 1952 1.38 2003 4 87 67 77 0 12 0.12 102 1954 51 1952 2.99 1986 5 87 67 77 0 12 0.12 104 1925 52 1997 9.49 2011 6 87 67 77 0 12 0.13 103 1925 53 2010 1.78 1890 7 87 66 76 0 12 0.14 104 1925 51 2017 6.37 1977 8 86 66 76 0 11 0.13 100 1925 52 2017 1.16 1884 9 86 66 76 0 11 0.14 102 1925 49 1958 2.64 1997 10 86 66 76 0 11 0.15 98 2019 50 1998 2.15 1950 11 86 65 76 0 10 0.15 96 2010 46 1940 1.83 2017 12 85 65 75 0 10 0.15 98 2019 40 1940 2.00 1965 13 85 65 75 0 10 0.16 103 2019 41 1940 3.59 1973 14 85 64 75 0 10 0.15 98 1939 42 1953 3.92 1957 15 85 64 74 0 9 0.14 97 2019 46 1985 2.06 1977 16 84 64 74 0 9 0.15 98 2019 47 1904 5.24 2004 17 84 63 74 0 9 0.14 100 2019 49 1985 3.01 1971 18 84 63 73 0 9 0.14 98 1927 47 1981 3.65 2012 19 84 63 73 0 8 0.15 100 1925 42 1981 2.26 2021 20 83 62 73 0 8 0.13 99 1925 40 1889 3.37 2009 21 83 62 72 0 8 0.14 98 1955 44 1956 3.37 2009 22 83 62 72 0 7 0.14 96 1940 41 1913 3.04 1909 23 82 61 72 0 7 0.15 96 2024 40 1982 3.59 1975 24 82 61 71 0 7 0.14 94 2016 41 1963 3.91 2020 25 82 60 71 0 6 0.15 97 2016 41 1887 1.74 2002 26 81 60 71 1 6 0.15 96 2019 42 1940 1.82 2009 27 81 60 70 1 6 0.15 95 2019 38 1940 3.92 1979 28 81 59 70 1 6 0.16 94 1954 39 1947 1.62 1907 29 80 59 70 1 6 0.15 95 2019 37 1942 2.24 1989 30 80 58 69 1 5 0.16 97 2019 36 1967 4.12 1915 MO 84.3 63.6 73.9 7 276 4.23 104 1925 36 1967 9.49 2011 DATE OF OCCURANCE IN MONTH (5,7) (30) (5)