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. |
May 1- May 29 |
Depar- ture from long term avg. |
Accum- ulated Since April 1 |
Depar- ture from long term avg. |
||
| Corning | Atchison | 77 | 57 | 88 | 44 | 67 | 0 | 4.24 | +0.29 | 562 | +51 |
| St. Joseph | Buchanan | 74 | 59 | 85 | 46 | 66 | -1 | 4.37 | -0.25 | 504 | +1 |
| Brunswick | Carroll | 75 | 59 | 85 | 45 | 66 | -1 | 4.01 | -0.71 | 506 | -15 |
| Albany | Gentry | 75 | 58 | 85 | 46 | 66 | 0 | 3.46 | -1.03 | 493 | +39 |
| Alma | Lafayette | 76 | 60 | 85 | 47 | 67 | 0 | 3.95 | -0.77 | 550 | +29 |
| Marshall | Saline | 75 | 60 | 84 | 46 | 67 | 0 | 5.94 | +1.22 | 540 | +19 |
| Auxvasse | Audrain | 76 | 59 | 85 | 45 | 66 | -1 | 4.27 | -0.34 | 504 | -48 |
| Vandalia | Audrain | 75 | 59 | 86 | 44 | 66 | 0 | 4.29 | -0.33 | 491 | -2 |
| Columbia-Bradford Research and Extension Center | Boone | 74 | 58 | 83 | 45 | 65 | -3 | 4.32 | -0.17 | 468 | -96 |
| Columbia-Capen Park | Boone | 79 | 57 | 90 | 44 | 66 | -2 | 4.79 | +0.24 | 515 | -54 |
| Columbia-Jefferson Farm and Gardens | Boone | 76 | 59 | 86 | 46 | 66 | -2 | 3.97 | -0.56 | 528 | -44 |
| Columbia-Sanborn Field | Boone | 76 | 60 | 86 | 46 | 67 | -1 | 4.66 | +0.07 | 580 | -34 |
| Columbia-South Farms | Boone | 76 | 59 | 85 | 46 | 66 | -2 | 3.87 | -0.72 | 526 | -42 |
| Williamsburg | Callaway | 75 | 57 | 84 | 44 | 64 | -3 | 2.53 | -2.18 | 462 | -62 |
| Novelty | Knox | 73 | 56 | 85 | 40 | 64 | -2 | 4.25 | -0.28 | 431 | -41 |
| Mosow Mills | Lincoln | 77 | 57 | 86 | 44 | 66 | -1 | 2.87 | -1.62 | 508 | -6 |
| Linneus | Linn | 74 | 57 | 85 | 41 | 65 | -1 | 3.28 | -1.26 | 468 | -8 |
| Monroe City | Monroe | 76 | 59 | 86 | 44 | 66 | -1 | 3.71 | -0.77 | 494 | -40 |
| Versailles | Morgan | 74 | 58 | 84 | 44 | 65 | -4 | 5.13 | +0.05 | 514 | -113 |
| Green Ridge | Pettis | 75 | 59 | 84 | 46 | 66 | -2 | 6.50 | +2.09 | 528 | -29 |
| Unionville | Putnam | 72 | 56 | 83 | 42 | 63 | -2 | 6.46 | +0.77 | 424 | +61 |
| Saint Louis Science Center | Saint Louis City | 80 | 61 | 87 | 47 | 69 | -2 | 2.81 | -1.76 | 650 | 0 |
| Lamar | Barton | 75 | 61 | 85 | 48 | 67 | -2 | 4.90 | -0.72 | 593 | -48 |
| Butler | Bates | 73 | 60 | 83 | 47 | 65 | -2 | 5.81 | +0.60 | 505 | +3 |
| Cook Station | Crawford | 78 | 56 | 86 | 42 | 66 | -2 | 3.41 | -1.12 | 536 | -79 |
| Mount Vernon | Lawrence | 74 | 58 | 83 | 46 | 65 | -3 | 7.09 | +1.77 | 496 | -18 |
| Round Spring | Shannon | 79 | 56 | 86 | 46 | 66 | -2 | 2.59 | -2.18 | 537 | -48 |
| Mountain Grove | Wright | 74 | 57 | 81 | 43 | 65 | -2 | 4.47 | -0.01 | 489 | -67 |
| Delta | Cape Girardeau | 80 | 60 | 87 | 48 | 69 | -2 | 3.67 | -0.99 | 604 | -135 |
| Cardwell | Dunklin | 83 | 62 | 91 | 51 | 72 | -1 | 5.65 | +1.07 | 772 | -103 |
| Clarkton | Dunklin | 84 | 61 | 93 | 50 | 72 | -1 | 3.06 | -1.09 | 743 | -80 |
| Glennonville | Dunklin | 83 | 62 | 91 | 50 | 72 | 0 | 3.02 | -1.25 | 738 | -88 |
| Charleston | Mississippi | 81 | 61 | 90 | 49 | 71 | 0 | 4.93 | +0.93 | 716 | -59 |
| Hayward | Pemiscot | 82 | 62 | 89 | 51 | 72 | -1 | 2.35 | -1.70 | 769 | -84 |
| Portageville | Pemiscot | 83 | 63 | 92 | 52 | 73 | 0 | 2.67 | -1.33 | 789 | -75 |
| Steele | Pemiscot | 85 | 63 | 94 | 50 | 73 | 0 | 2.90 | -1.88 | 773 | -107 |
‡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.
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REVISED: May 31, 2021