| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | annual monthly |
|
| mean max. temperature (f) | 60.7 | 65.2 | 71.7 | 80.4 | 90.1 | 98.5 | 98.2 | 95.7 | 92.3 | 82.6 | 70.1 | 60.0 | 80.5 |
| highest mean max. temperature (f) | |||||||||||||
| year highest occurred | |||||||||||||
| lowest mean max. temperature (f) | |||||||||||||
| year lowest occurred | |||||||||||||
| mean temperature (f) | 45.1 | 49.0 | 55.0 | 62.6 | 71.7 | 80.2 | 83.3 | 81.4 | 76.1 | 65.4 | 53.2 | 44.5 | 64.0 |
| highest mean temperature (f) | |||||||||||||
| year highest occurred | |||||||||||||
| lowest mean temperature (f) | |||||||||||||
| year lowest occurred | |||||||||||||
| mean min. temperature (f) | 29.5 | 32.8 | 38.3 | 44.7 | 53.3 | 61.9 | 68.4 | 67.2 | 60.0 | 48.1 | 36.2 | 29.1 | 47.5 |
| highest mean min. temperature (f) | |||||||||||||
| year highest occurred | |||||||||||||
| lowest mean min. temperature (f) | |||||||||||||
| year lowest occurred | |||||||||||||
| mean precipitation (in.) | 0.76 | 0.75 | 0.62 | 0.29 | 0.25 | 0.29 | 1.50 | 1.91 | 1.02 | 0.87 | 0.54 | 0.87 | 9.67 |
| highest precipitation (in.) | |||||||||||||
| year highest occurred | |||||||||||||
| lowest precipitation (in.) | |||||||||||||
| year lowest occurred | |||||||||||||
| heating degree days (f) | 617. | 448. | 314. | 126. | 18. | 0. | 0. | 0. | 2. | 77. | 359. | 634. | 2594. |
| cooling degree days (f) | 0. | 0. | 4. | 52. | 225. | 456. | 567. | 510. | 337. | 88. | 3. | 0. | 2243. |