Oak Wilt Vectors Emergence Thermal Model
Thermal model:
Location: 43.0°N, -87.9°W (show on Google maps)
Date range: January 1, 2024 to May 02, 2024
Degree day model: Base 41°F
Total degree days: 441.4 Fahrenheit degree days
Oak wilt high risk period: 231 - 2172 degree days and date prior to July 15
Predicted risk: High - peak vector flight
Recommendation for May 02, 2024:
Wounding/pruning/harvesting oaks should be avoided.
If an oak is wounded, consider applying wound dressing immediately to wounds and the last three growth rings of cut stumps. Though not scientifically proven, herbicide application to stumps is believed to make the stump less suitable for pathogen infection.
Forest setting: If your stand is in a county that has oak wilt OR within 6 miles of a county with oak wilt, any activities that may wound oaks should only be considered under certain conditions. Read Oak Harvesting Guidelines to Reduce the Risk of Introduction and Spread of Oak wilt for details.
Estimated vector emergence status: Based on the degree day model (Jagemann et al., 2018), it is estimated that at least 25% of Colopterus truncatus and 5% of Carphophilus sayi have emerged as of the specified date. C. truncatus and C. sayi are the two most important insects that transmit oak wilt in Wisconsin. C. truncatus emerges earlier in spring than C. sayi.
View all Degree Days for this date range | | Back
Degree days and oak wilt risk from January 1, 2024 to May 02, 2024 for (43.0, -87.9):
| Date | Day | Min temp (°F) |
Max temp (°F) |
FDDs | Cumul. FDDs |
Oak wilt risk | |
|---|---|---|---|---|---|---|---|
| 1 | 2024-01-01 | Jan 1 | 25.7 | 30.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 2 | 2024-01-02 | Jan 2 | 25.4 | 33.9 | 0.0 | 0.0 | Low - prior to vector emergence |
| 3 | 2024-01-03 | Jan 3 | 31.7 | 35.7 | 0.0 | 0.0 | Low - prior to vector emergence |
| 4 | 2024-01-04 | Jan 4 | 26.9 | 32.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 5 | 2024-01-05 | Jan 5 | 23.8 | 37.0 | 0.0 | 0.0 | Low - prior to vector emergence |
| 6 | 2024-01-06 | Jan 6 | 32.9 | 35.2 | 0.0 | 0.0 | Low - prior to vector emergence |
| 7 | 2024-01-07 | Jan 7 | 32.3 | 34.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 8 | 2024-01-08 | Jan 8 | 30.2 | 36.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 9 | 2024-01-09 | Jan 9 | 32.5 | 36.1 | 0.0 | 0.0 | Low - prior to vector emergence |
| 10 | 2024-01-10 | Jan 10 | 29.6 | 33.9 | 0.0 | 0.0 | Low - prior to vector emergence |
| 11 | 2024-01-11 | Jan 11 | 28.4 | 32.4 | 0.0 | 0.0 | Low - prior to vector emergence |
| 12 | 2024-01-12 | Jan 12 | 28.8 | 34.9 | 0.0 | 0.0 | Low - prior to vector emergence |
| 13 | 2024-01-13 | Jan 13 | 9.3 | 31.9 | 0.0 | 0.0 | Low - prior to vector emergence |
| 14 | 2024-01-14 | Jan 14 | -4.1 | 7.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 15 | 2024-01-15 | Jan 15 | -5.7 | 2.7 | 0.0 | 0.0 | Low - prior to vector emergence |
| 16 | 2024-01-16 | Jan 16 | -6.8 | 1.8 | 0.0 | 0.0 | Low - prior to vector emergence |
| 17 | 2024-01-17 | Jan 17 | 0.1 | 13.2 | 0.0 | 0.0 | Low - prior to vector emergence |
| 18 | 2024-01-18 | Jan 18 | 11.3 | 16.3 | 0.0 | 0.0 | Low - prior to vector emergence |
| 19 | 2024-01-19 | Jan 19 | 7.3 | 13.7 | 0.0 | 0.0 | Low - prior to vector emergence |
| 20 | 2024-01-20 | Jan 20 | 4.6 | 17.2 | 0.0 | 0.0 | Low - prior to vector emergence |
| 21 | 2024-01-21 | Jan 21 | 2.7 | 20.8 | 0.0 | 0.0 | Low - prior to vector emergence |
| 22 | 2024-01-22 | Jan 22 | 21.2 | 32.4 | 0.0 | 0.0 | Low - prior to vector emergence |
| 23 | 2024-01-23 | Jan 23 | 31.9 | 34.9 | 0.0 | 0.0 | Low - prior to vector emergence |
| 24 | 2024-01-24 | Jan 24 | 34.1 | 36.1 | 0.0 | 0.0 | Low - prior to vector emergence |
| 25 | 2024-01-25 | Jan 25 | 33.6 | 36.5 | 0.0 | 0.0 | Low - prior to vector emergence |
| 26 | 2024-01-26 | Jan 26 | 36.2 | 37.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 27 | 2024-01-27 | Jan 27 | 35.5 | 37.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 28 | 2024-01-28 | Jan 28 | 32.7 | 36.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 29 | 2024-01-29 | Jan 29 | 29.7 | 41.5 | 0.0 | 0.0 | Low - prior to vector emergence |
| 30 | 2024-01-30 | Jan 30 | 36.5 | 38.7 | 0.0 | 0.0 | Low - prior to vector emergence |
| 31 | 2024-01-31 | Jan 31 | 35.1 | 39.6 | 0.0 | 0.0 | Low - prior to vector emergence |
| 32 | 2024-02-01 | Feb 1 | 35.3 | 45.3 | 1.2 | 1.3 | Low - prior to vector emergence |
| 33 | 2024-02-02 | Feb 2 | 32.3 | 35.2 | 0.0 | 1.3 | Low - prior to vector emergence |
| 34 | 2024-02-03 | Feb 3 | 31.2 | 36.8 | 0.0 | 1.3 | Low - prior to vector emergence |
| 35 | 2024-02-04 | Feb 4 | 31.6 | 37.1 | 0.0 | 1.3 | Low - prior to vector emergence |
| 36 | 2024-02-05 | Feb 5 | 31.6 | 35.8 | 0.0 | 1.3 | Low - prior to vector emergence |
| 37 | 2024-02-06 | Feb 6 | 30.8 | 39.5 | 0.0 | 1.3 | Low - prior to vector emergence |
| 38 | 2024-02-07 | Feb 7 | 30.9 | 41.6 | 0.1 | 1.3 | Low - prior to vector emergence |
| 39 | 2024-02-08 | Feb 8 | 37.2 | 54.8 | 5.8 | 7.1 | Low - prior to vector emergence |
| 40 | 2024-02-09 | Feb 9 | 39.4 | 52.6 | 5.3 | 12.4 | Low - prior to vector emergence |
| 41 | 2024-02-10 | Feb 10 | 29.1 | 39.0 | 0.0 | 12.4 | Low - prior to vector emergence |
| 42 | 2024-02-11 | Feb 11 | 24.9 | 35.9 | 0.0 | 12.4 | Low - prior to vector emergence |
| 43 | 2024-02-12 | Feb 12 | 23.9 | 46.5 | 1.2 | 13.6 | Low - prior to vector emergence |
| 44 | 2024-02-13 | Feb 13 | 27.2 | 36.0 | 0.0 | 13.6 | Low - prior to vector emergence |
| 45 | 2024-02-14 | Feb 14 | 26.2 | 44.8 | 0.7 | 14.3 | Low - prior to vector emergence |
| 46 | 2024-02-15 | Feb 15 | 27.0 | 38.5 | 0.0 | 14.3 | Low - prior to vector emergence |
| 47 | 2024-02-16 | Feb 16 | 14.6 | 29.2 | 0.0 | 14.3 | Low - prior to vector emergence |
| 48 | 2024-02-17 | Feb 17 | 10.6 | 29.8 | 0.0 | 14.3 | Low - prior to vector emergence |
| 49 | 2024-02-18 | Feb 18 | 25.4 | 41.4 | 0.0 | 14.4 | Low - prior to vector emergence |
| 50 | 2024-02-19 | Feb 19 | 24.0 | 39.7 | 0.0 | 14.4 | Low - prior to vector emergence |
| 51 | 2024-02-20 | Feb 20 | 26.5 | 47.6 | 1.6 | 16.0 | Low - prior to vector emergence |
| 52 | 2024-02-21 | Feb 21 | 39.4 | 59.3 | 8.6 | 24.5 | Low - prior to vector emergence |
| 53 | 2024-02-22 | Feb 22 | 36.3 | 51.9 | 4.2 | 28.8 | Low - prior to vector emergence |
| 54 | 2024-02-23 | Feb 23 | 24.5 | 46.1 | 1.1 | 29.8 | Low - prior to vector emergence |
| 55 | 2024-02-24 | Feb 24 | 19.7 | 31.1 | 0.0 | 29.8 | Low - prior to vector emergence |
| 56 | 2024-02-25 | Feb 25 | 30.8 | 56.6 | 5.5 | 35.4 | Low - prior to vector emergence |
| 57 | 2024-02-26 | Feb 26 | 37.8 | 57.5 | 7.2 | 42.6 | Low - prior to vector emergence |
| 58 | 2024-02-27 | Feb 27 | 52.7 | 71.5 | 21.1 | 63.7 | Low - prior to vector emergence |
| 59 | 2024-02-28 | Feb 28 | 15.8 | 48.1 | 1.5 | 65.1 | Low - prior to vector emergence |
| 60 | 2024-02-29 | Feb 29 | 16.7 | 42.2 | 0.1 | 65.2 | Low - prior to vector emergence |
| 61 | 2024-03-01 | Mar 1 | 31.8 | 47.4 | 1.8 | 67.0 | Low - prior to vector emergence |
| 62 | 2024-03-02 | Mar 2 | 35.3 | 50.7 | 3.5 | 70.6 | Low - prior to vector emergence |
| 63 | 2024-03-03 | Mar 3 | 40.8 | 60.4 | 9.6 | 80.1 | Low - prior to vector emergence |
| 64 | 2024-03-04 | Mar 4 | 40.9 | 62.1 | 10.5 | 90.6 | Low - prior to vector emergence |
| 65 | 2024-03-05 | Mar 5 | 38.4 | 40.7 | 0.0 | 90.6 | Low - prior to vector emergence |
| 66 | 2024-03-06 | Mar 6 | 36.3 | 41.9 | 0.2 | 90.8 | Low - prior to vector emergence |
| 67 | 2024-03-07 | Mar 7 | 35.6 | 40.5 | 0.0 | 90.8 | Low - prior to vector emergence |
| 68 | 2024-03-08 | Mar 8 | 37.3 | 41.4 | 0.1 | 90.9 | Low - prior to vector emergence |
| 69 | 2024-03-09 | Mar 9 | 32.2 | 39.8 | 0.0 | 90.9 | Low - prior to vector emergence |
| 70 | 2024-03-10 | Mar 10 | 29.5 | 45.0 | 0.9 | 91.7 | Low - prior to vector emergence |
| 71 | 2024-03-11 | Mar 11 | 31.7 | 65.9 | 9.9 | 101.6 | Low - prior to vector emergence |
| 72 | 2024-03-12 | Mar 12 | 52.8 | 69.7 | 20.2 | 121.9 | Low - prior to vector emergence |
| 73 | 2024-03-13 | Mar 13 | 44.3 | 55.5 | 8.9 | 130.8 | Low - prior to vector emergence |
| 74 | 2024-03-14 | Mar 14 | 39.2 | 47.9 | 2.9 | 133.7 | Low - prior to vector emergence |
| 75 | 2024-03-15 | Mar 15 | 33.9 | 42.4 | 0.2 | 133.9 | Low - prior to vector emergence |
| 76 | 2024-03-16 | Mar 16 | 38.2 | 53.9 | 5.5 | 139.5 | Low - prior to vector emergence |
| 77 | 2024-03-17 | Mar 17 | 27.7 | 40.1 | 0.0 | 139.5 | Low - prior to vector emergence |
| 78 | 2024-03-18 | Mar 18 | 23.8 | 34.7 | 0.0 | 139.5 | Low - prior to vector emergence |
| 79 | 2024-03-19 | Mar 19 | 30.3 | 53.8 | 4.3 | 143.8 | Low - prior to vector emergence |
| 80 | 2024-03-20 | Mar 20 | 28.6 | 39.4 | 0.0 | 143.8 | Low - prior to vector emergence |
| 81 | 2024-03-21 | Mar 21 | 24.6 | 33.1 | 0.0 | 143.8 | Low - prior to vector emergence |
| 82 | 2024-03-22 | Mar 22 | 30.7 | 34.7 | 0.0 | 143.8 | Low - prior to vector emergence |
| 83 | 2024-03-23 | Mar 23 | 26.8 | 33.8 | 0.0 | 143.8 | Low - prior to vector emergence |
| 84 | 2024-03-24 | Mar 24 | 30.5 | 39.6 | 0.0 | 143.8 | Low - prior to vector emergence |
| 85 | 2024-03-25 | Mar 25 | 38.7 | 52.5 | 5.0 | 148.8 | Low - prior to vector emergence |
| 86 | 2024-03-26 | Mar 26 | 33.3 | 54.2 | 4.8 | 153.6 | Low - prior to vector emergence |
| 87 | 2024-03-27 | Mar 27 | 28.3 | 40.3 | 0.0 | 153.6 | Low - prior to vector emergence |
| 88 | 2024-03-28 | Mar 28 | 27.6 | 45.8 | 1.1 | 154.6 | Low - prior to vector emergence |
| 89 | 2024-03-29 | Mar 29 | 27.3 | 40.7 | 0.0 | 154.6 | Low - prior to vector emergence |
| 90 | 2024-03-30 | Mar 30 | 37.4 | 43.5 | 0.7 | 155.4 | Low - prior to vector emergence |
| 91 | 2024-03-31 | Mar 31 | 35.8 | 42.3 | 0.3 | 155.6 | Low - prior to vector emergence |
| 92 | 2024-04-01 | Apr 1 | 38.0 | 41.7 | 0.1 | 155.7 | Low - prior to vector emergence |
| 93 | 2024-04-02 | Apr 2 | 34.1 | 39.2 | 0.0 | 155.7 | Low - prior to vector emergence |
| 94 | 2024-04-03 | Apr 3 | 33.2 | 39.2 | 0.0 | 155.7 | Low - prior to vector emergence |
| 95 | 2024-04-04 | Apr 4 | 33.9 | 40.9 | 0.0 | 155.7 | Low - prior to vector emergence |
| 96 | 2024-04-05 | Apr 5 | 37.2 | 45.7 | 1.6 | 157.3 | Low - prior to vector emergence |
| 97 | 2024-04-06 | Apr 6 | 33.9 | 44.7 | 1.0 | 158.3 | Low - prior to vector emergence |
| 98 | 2024-04-07 | Apr 7 | 35.7 | 44.0 | 0.8 | 159.1 | Low - prior to vector emergence |
| 99 | 2024-04-08 | Apr 8 | 42.7 | 66.5 | 13.6 | 172.6 | Low - prior to vector emergence |
| 100 | 2024-04-09 | Apr 9 | 46.5 | 60.9 | 12.7 | 185.3 | Low - prior to vector emergence |
| 101 | 2024-04-10 | Apr 10 | 45.4 | 64.1 | 13.8 | 199.1 | Low - prior to vector emergence |
| 102 | 2024-04-11 | Apr 11 | 46.6 | 54.7 | 9.6 | 208.7 | Low - prior to vector emergence |
| 103 | 2024-04-12 | Apr 12 | 48.5 | 60.3 | 13.4 | 222.1 | Low - prior to vector emergence |
| 104 | 2024-04-13 | Apr 13 | 43.2 | 64.5 | 12.8 | 235.0 | High - early vector flight |
| 105 | 2024-04-14 | Apr 14 | 54.1 | 73.2 | 22.7 | 257.6 | High - early vector flight |
| 106 | 2024-04-15 | Apr 15 | 46.3 | 62.8 | 13.5 | 271.2 | High - early vector flight |
| 107 | 2024-04-16 | Apr 16 | 45.1 | 55.3 | 9.2 | 280.4 | High - early vector flight |
| 108 | 2024-04-17 | Apr 17 | 50.3 | 65.2 | 16.7 | 297.1 | High - early vector flight |
| 109 | 2024-04-18 | Apr 18 | 45.7 | 52.6 | 8.1 | 305.3 | High - early vector flight |
| 110 | 2024-04-19 | Apr 19 | 38.7 | 53.9 | 5.7 | 311.0 | High - early vector flight |
| 111 | 2024-04-20 | Apr 20 | 34.2 | 43.9 | 0.7 | 311.7 | High - early vector flight |
| 112 | 2024-04-21 | Apr 21 | 32.7 | 57.2 | 6.1 | 317.7 | High - early vector flight |
| 113 | 2024-04-22 | Apr 22 | 42.3 | 65.4 | 12.8 | 330.6 | High - early vector flight |
| 114 | 2024-04-23 | Apr 23 | 41.1 | 69.4 | 14.2 | 344.8 | High - early vector flight |
| 115 | 2024-04-24 | Apr 24 | 36.4 | 40.7 | 0.0 | 344.8 | High - early vector flight |
| 116 | 2024-04-25 | Apr 25 | 32.5 | 48.0 | 2.1 | 346.9 | High - early vector flight |
| 117 | 2024-04-26 | Apr 26 | 41.6 | 50.6 | 5.1 | 352.0 | High - early vector flight |
| 118 | 2024-04-27 | Apr 27 | 50.3 | 79.6 | 23.9 | 376.0 | High - peak vector flight |
| 119 | 2024-04-28 | Apr 28 | 42.4 | 61.9 | 11.1 | 387.1 | High - peak vector flight |
| 120 | 2024-04-29 | Apr 29 | 47.2 | 68.2 | 16.7 | 403.8 | High - peak vector flight |
| 121 | 2024-04-30 | Apr 30 | 46.1 | 64.1 | 14.1 | 417.9 | High - peak vector flight |
| 122 | 2024-05-01 | May 1 | 54.2 | 74.7 | 23.5 | 441.4 | High - peak vector flight |
Note: Frost temperatures (<32°F) shown in blue, freezing temperatures (<28°F) shown in red.
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