August Normals and Extremes for Muscle Shoals
| Date | Record Max | Normals | Record Min |
| Aug 01 | 102 / 1935* | 91.3 | 69.9 | 0.10 | 59 / 1936* |
| Aug 02 | 101 / 1921 | 91.3 | 69.9 | 0.11 | 55 / 1925 |
| Aug 03 | 102 / 1930* | 91.3 | 69.9 | 0.11 | 54 / 1920 |
| Aug 04 | 104 / 1947 | 91.3 | 69.8 | 0.10 | 58 / 1950* |
| Aug 05 | 104 / 1934 | 91.4 | 69.8 | 0.11 | 52 / 1915 |
| Aug 06 | 105 / 1930 | 91.4 | 69.7 | 0.10 | 52 / 1915 |
| Aug 07 | 105 / 1935* | 91.4 | 69.7 | 0.11 | 54 / 1915 |
| Aug 08 | 108 / 1930 | 91.4 | 69.6 | 0.10 | 57 / 1989 |
| Aug 09 | 103 / 1930 | 91.4 | 69.6 | 0.10 | 54 / 1989 |
| Aug 10 | 104 / 2007* | 91.4 | 69.5 | 0.10 | 54 / 1976 |
| Aug 11 | 106 / 1935 | 91.4 | 69.4 | 0.10 | 52 / 1917 |
| Aug 12 | 102 / 2007* | 91.4 | 69.4 | 0.10 | 55 / 1917 |
| Aug 13 | 105 / 2007 | 91.3 | 69.3 | 0.10 | 53 / 2004* |
| Aug 14 | 103 / 2007 | 91.3 | 69.2 | 0.11 | 54 / 2004* |
| Aug 15 | 107 / 2007 | 91.3 | 69.1 | 0.10 | 52 / 2004 |
| Aug 16 | 106 / 2007 | 91.2 | 69.0 | 0.09 | 53 / 2004 |
| Aug 17 | 104 / 2000 | 91.2 | 68.9 | 0.10 | 58 / 1979* |
| Aug 18 | 103 / 1999 | 91.1 | 68.8 | 0.11 | 58 / 2008 |
| Aug 19 | 103 / 1999 | 91.0 | 68.7 | 0.10 | 58 / 1938 |
| Aug 20 | 104 / 1925 | 91.0 | 68.6 | 0.11 | 54 / 1940 |
| Aug 21 | 104 / 1980 |
90.9 | 68.5 | 0.10 |
53 / 1927 |
| Aug 22 | 103 / 2007 | 90.8 | 68.4 | 0.10 | 54 / 1915 |
| Aug 23 | 104 / 2007 | 90.7 | 68.2 | 0.10 | 55 / 1956* |
| Aug 24 | 102 / 2007 | 90.5 | 68.1 | 0.10 | 54 / 1920 |
| Aug 25 | 103 / 1943 | 90.4 | 67.9 | 0.09 | 53 / 1923* |
| Aug 26 | 102 / 1943* | 90.3 | 67.8 | 0.10 | 47 / 1917 |
| Aug 27 | 105 / 1943 | 90.1 | 67.6 | 0.10 | 52 / 1927* |
| Aug 28 | 104 / 1909 | 89.9 | 67.4 | 0.09 | 54 / 1967* |
| Aug 29 | 104 / 2000 | 89.8 | 67.2 | 0.11 | 53 / 1992 |
| Aug 30 | 104 / 1951* | 89.6 | 67.0 | 0.10 | 55 / 1931* |
| Aug 31 | 105 / 1951 | 89.4 | 66.8 | 0.10 | 49 / 1915 |
* indicates record also set in previous years