Taking an environmentally sensitive approach to pest management
| Station | County | Weekly Temperature (°F) | Monthly Precipitation (in.) |
Growing Degree Days‡ |
|||||||
| Avg. Max. |
Avg. Min. |
Extreme High | Extreme Low | Mean | Depar- ture from long term avg. |
Dec 1- Dec 30 |
Depar- ture from long term avg. |
Accum- ulated Since April 1 |
Depar- ture from long term avg. |
||
| Corning | Atchison | 37 | 16 | 51 | 5 | 26 | -2 | 0.30 | -0.71 | 3714 | +158 |
| St. Joseph | Buchanan | 36 | 20 | 52 | 6 | 28 | -1 | 0.44 | -0.78 | 3517 | -9 |
| Brunswick | Carroll | 37 | 17 | 55 | 4 | 27 | -3 | 1.17 | -0.33 | 3383 | -157 |
| Albany | Gentry | 34 | 15 | 48 | 4 | 25 | -3 | 0.35 | -0.81 | 3358 | -7 |
| Alma | Lafayette | 41 | 20 | 59 | 5 | 30 | 0 | 1.22 | -0.28 | 3651 | +112 |
| Marshall | Saline | 40 | 21 | 57 | 5 | 30 | 0 | 0.85 | -0.65 | 3592 | +53 |
| Auxvasse | Audrain | 41 | 20 | 59 | 6 | 30 | -1 | 0.78 | -1.42 | 3421 | -222 |
| Vandalia | Audrain | 39 | 18 | 57 | 6 | 28 | -2 | 0.92 | -1.33 | 3328 | -197 |
| Columbia-Bradford Research and Extension Center | Boone | 41 | 20 | 57 | 6 | 29 | -3 | 0.62 | -1.46 | 3243 | -445 |
| Columbia-Capen Park | Boone | 44 | 19 | 61 | 7 | 30 | -2 | 0.67 | -1.45 | 3446 | -264 |
| Columbia-Jefferson Farm and Gardens | Boone | 42 | 21 | 59 | 6 | 31 | -1 | 0.62 | -1.42 | 3536 | -194 |
| Columbia-Sanborn Field | Boone | 42 | 22 | 59 | 7 | 32 | -1 | 0.65 | -1.42 | 3763 | -130 |
| Columbia-South Farms | Boone | 42 | 21 | 59 | 6 | 31 | -1 | 0.63 | -1.48 | 3536 | -173 |
| Williamsburg | Callaway | 41 | 19 | 58 | 5 | 29 | -2 | 0.83 | -1.50 | 3193 | -365 |
| Novelty | Knox | 35 | 15 | 54 | 4 | 25 | -4 | 1.92 | +0.20 | 3084 | -317 |
| Mosow Mills | Lincoln | 39 | 18 | 58 | 7 | 29 | -2 | 1.12 | -1.48 | 3336 | -298 |
| Linneus | Linn | 36 | 17 | 51 | 4 | 26 | -3 | 1.35 | +0.03 | 3279 | -135 |
| Monroe City | Monroe | 37 | 17 | 57 | 6 | 27 | -4 | 1.25 | -0.69 | 3322 | -242 |
| Versailles | Morgan | 43 | 22 | 59 | 5 | 33 | 0 | 0.69 | -1.43 | 3487 | -377 |
| Green Ridge | Pettis | 43 | 23 | 59 | 6 | 32 | 0 | 0.52 | -1.39 | 3592 | -66 |
| Unionville | Putnam | 33 | 16 | 44 | 3 | 24 | -3 | 0.99 | -1.04 | 3108 | -5 |
| Saint Louis Science Center | Saint Louis City | 41 | 23 | 58 | 9 | 32 | -4 | 1.13 | -1.64 | 3969 | -264 |
| Lamar | Barton | 46 | 26 | 63 | 13 | 36 | +1 | 1.55 | -0.95 | 3889 | -121 |
| Butler | Bates | 44 | 23 | 58 | 8 | 33 | +1 | 0.87 | -1.31 | 3595 | -284 |
| Cook Station | Crawford | 45 | 23 | 64 | 9 | 33 | -1 | 1.22 | -1.72 | 3406 | -336 |
| Mount Vernon | Lawrence | 47 | 24 | 64 | 10 | 35 | +2 | 1.46 | -1.58 | 3540 | +79 |
| Round Spring | Shannon | 45 | 21 | 59 | 11 | 32 | -1 | 1.73 | -1.08 | 3393 | -231 |
| Mountain Grove | Wright | 43 | 24 | 60 | 8 | 33 | 0 | 1.17 | -1.89 | 3381 | -266 |
| Delta | Cape Girardeau | 43 | 25 | 54 | 14 | 33 | -2 | 2.06 | -1.97 | 3766 | -383 |
| Cardwell | Dunklin | 47 | 28 | 58 | 18 | 38 | 0 | 2.80 | -1.85 | 4187 | -381 |
| Clarkton | Dunklin | 46 | 26 | 58 | 15 | 36 | -1 | 2.48 | -1.53 | 4109 | -377 |
| Glennonville | Dunklin | 45 | 27 | 56 | 16 | 36 | -1 | 2.26 | -1.52 | 4098 | -356 |
| Charleston | Mississippi | 46 | 26 | 60 | 16 | 36 | -1 | 2.27 | -1.71 | 4051 | -264 |
| Hayward | Pemiscot | * | * | * | * | * | * | * | * | * | * |
| Portageville | Pemiscot | 47 | 28 | 59 | 16 | 38 | 0 | 2.86 | -1.56 | 4310 | -275 |
| Steele | Pemiscot | 46 | 28 | 56 | 18 | 38 | 0 | 2.94 | -1.76 | 4275 | -335 |
* Complete data not available for report
‡Growing degree days are calculated by subtracting a 50 degree (Fahrenheit) base temperature from the average daily temperature. Thus, if the average temperature for the day is 75 degrees, then 25 growing degree days will have been accumulated.
REVISED: December 31, 2020