Monthly Heat Accumulation (Degree Days)
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| Month | 2015 | 2016 | 2017 | 2018 |
| January | 7 | 11 | 0 | 19 |
| February | 24 | 32 | 6 | 11 |
| March | 78 | 38 | 28 | 21 |
| April | 82 | 196 | 39 | 102 |
| May | 255 | 289 | 266 | 310 |
| June | 506 | 403 | 394 | 394 |
| July | 650 | 497 | 569 | 645 |
| August | 603 | 618 | 665 | 611 |
| September | 360 | 355 | 481 | |
| October | 283 | 154 | 164 | |
| November | 18 | 72 | 35 | |
| December | 15 | 0 | 2 | |
Cumulative Heat Units
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| Month | 2015 | 2016 | 2017 | 2018 |
| January | 7 | 11 | 0 | 19 |
| February | 31 | 46 | 6 | 30 |
| March | 109 | 84 | 34 | 51 |
| April | 191 | 280 | 73 | 153 |
| May | 446 | 569 | 339 | 462 |
| June | 952 | 972 | 733 | 841 |
| July | 1,572 | 1,469 | 1,302 | 1,486 |
| August | 2,175 | 2,087 | 1,966 | 2,097 |
| September | 2,535 | 2,442 | 2,448 | |
| October | 2,815 | 2,599 | 2,612 | |
| November | 2,834 | 2,671 | 2,647 | |
| December | 2,849 | 2,671 | 2,649 | |