| Date | Observed & Forecast Degree Days base 43 for this day |
Cumulative Observed & Forecast DD base 43 | Approximate Climatic Average cumulative DD43 | Observed & Forecast Degree Days base 50 for this day |
Cumulative Observed &
Forecast DD base 50F (Climatic average in parentheses) |
Cumulative DD50 deviation from climatic average | ||
| September 1 | 34 | 2841 | (2542) | 27 | 1919 | (1674) | +245 | |
| September 2 | 34 | 2875 | (2561) | 27 | 1946 | (1685) | +261 | |
| September 3 | 30 | 2905 | (2579) | 23 | 1969 | (1697) | +272 | |
| September 4 | 27 | 2933 | (2598) | 20 | 1990 | (1709) | +281 | |
| September 5 | 18 | 2950 | (2615) | 11 | 2000 | (1720) | +280 | |
| September 6 | 17 | 2967 | (2633) | 11 | 2011 | (1731) | +280 | |
| September 7 | 21 | 2988 | (2650) | 14 | 2025 | (1742) | +283 | |
| September 8 | 22 | 3011 | (2667) | 15 | 2040 | (1752) | +288 | |
| September 9 | 17 | 3028 | (2684) | 10 | 2051 | (1762) | +288 | |
| September 10 | 16 | 3044 | (2700) | 9 | 2059 | (1773) | +287 | |
| September 11 | 17 | 3061 | (2716) | 10 | 2069 | (1782) | +287 | |
| September 12 | 15 | 3076 | (2732) | 8 | 2078 | (1792) | +286 | |
| September 13 | 18 | 3094 | (2748) | 11 | 2089 | (1801) | +288 | |
| September 14 | 17 | 3111 | (2764) | 10 | 2099 | (1810) | +289 | |
| September 15 | 17 | 3128 | (2779) | 10 | 2108 | (1819) | +289 | |
| September 16 | 16 | 3144 | (2793) | 9 | 2118 | (1828) | +290 | |
| September 17 | 16 | 3161 | (2808) | 9 | 2127 | (1836) | +291 | |
| September 18 | 14 | 3175 | (2822) | 8 | 2135 | (1844) | +291 | |
| September 19 | 14 | 3188 | (2836) | 8 | 2143 | (1852) | +291 | |
| September 20 | 14 | 3202 | (2849) | 8 | 2151 | (1860) | +291 | |
| September 21 | 13 | 3215 | (2862) | 7 | 2158 | (1867) | +291 | |
| September 22 | 13 | 3228 | (2875) | 7 | 2165 | (1874) | +291 | |
| September 23 | 12 | 3240 | (2887) | 7 | 2172 | (1881) | +291 | |
| September 24 | 12 | 3252 | (2900) | 7 | 2178 | (1888) | +291 | |
| September 25 | 12 | 3264 | (2911) | 6 | 2185 | (1894) | +291 | |
| September 26 | 11 | 3275 | (2923) | 6 | 2191 | (1900) | +291 | |
| September 27 | 11 | 3286 | (2934) | 6 | 2197 | (1906) | +291 | |
| September 28 | 11 | 3297 | (2945) | 6 | 2202 | (1912) | +291 | |
| September 29 | 10 | 3308 | (2955) | 5 | 2208 | (1917) | +291 | |
| September 30 | 10 | 3318 | (2965) | 5 | 2213 | (1922) | +291 | |