Monthly Heat Accumulation (Degree Days)
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| Month | 2017 | 2018 | 2019 | 2020 |
| January | 0 | 19 | 3 | 16 |
| February | 6 | 11 | 0 | 3 |
| March | 28 | 22 | 45 | 6 |
| April | 39 | 102 | 104 | 123 |
| May | 266 | 310 | 282 | 252 |
| June | 394 | 394 | 394 | 344 |
| July | 569 | 645 | 532 | 558 |
| August | 665 | 611 | 603 | 577 |
| September | 481 | 369 | 363 | 473 |
| October | 164 | 22 | 70 | 186 |
| November | 35 | 38 | 16 | |
| December | 2 | 3 | 5 | |
Cumulative Heat Units
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| Month | 2017 | 2018 | 2019 | 2020 |
| January | 0 | 19 | 3 | 16 |
| February | 6 | 30 | 3 | 18 |
| March | 34 | 51 | 48 | 24 |
| April | 73 | 153 | 151 | 147 |
| May | 340 | 462 | 434 | 399 |
| June | 733 | 841 | 828 | 743 |
| July | 1,302 | 1,486 | 1,360 | 1,301 |
| August | 1,966 | 2,097 | 1,962 | 1,878 |
| September | 2,44 | 2,466 | 2,325 | 2,351 |
| October | 2,612 | 2,693 | 2,396 | 2,537 |
| November | 2,647 | 2,733 | 2,411 | |
| December | 2,649 | 2,735 | 2,416 | |