High Yield Ag Solutions

Hybrid Corn Planting Forecast

Guide: OK to plant corn when 5-Day GDU Accumulation greater than or equal to 40 and GDU are trending up. Careful with minimum temperatures below 50 (highlighted in yellow).
Clarksdale, MS Greenwood, MS Leland, MS Yazoo City, MS Bainbridge, GA Newport, AR
Date Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation Low Temp (F) GDU 5 Day GDU Accumulation
11/15/2020 41.0 10 46 38.0 10.00 52 40.0 11.00 54 57.0 20.00 60 39.0 10.00 40
11/16/2020 36.0 8 48 32.0 10.00 56 36.0 10.00 57 47.0 10.00 56 34.0 8.00 39
11/17/2020 39.0 7 54 35.0 10.00 60 38.0 10.00 61 43.0 12.00 62 38.0 6.00 37
11/18/2020 37.0 10 53 36.0 10.00 60 36.0 11.00 63 43.0 8.00 68 31.0 6.00 35
11/19/2020 43.0 11 47 42.0 12.00 56 43.0 12.00 58 41.0 10.00 70 44.0 10.00 31
11/20/2020 46.0 12 44 52.0 14.00 54 48.0 14.00 56 54.0 16.00 72 48.0 9.00 25
11/21/2020 54.0 14 41 51.0 14.00 52 49.0 14.00 52 55.0 16.00 72 48.0 6.00 20
11/22/2020 46.0 6 33 50.0 10.00 46 50.0 12.00 45 58.0 18.00 78 39.0 4.00 18
11/23/2020 36.0 4 31 36.0 6.00 43 37.0 6.00 39 45.0 10.00 82 35.0 2.00 18
11/24/2020 36.0 8 29 36.0 10.00 41 35.0 10.00 35 40.0 12.00 89 37.0 4.00 18
11/25/2020 43.0 9 21 45.0 12.00 33 45.0 10.00 25 53.0 16.00 93 46.0 4.00 14
11/26/2020 36.0 6 12 39.0 8.00 21 38.0 7.00 15 61.0 22.00 87 38.0 4.00 10
11/27/2020 45.0 4 6 47.0 7.00 15 47.0 6.00 10 63.0 22.00 67 41.0 4.00 6
11/28/2020 43.0 2 4 45.0 4.00 13 46.0 2.00 8 63.0 17.00 50 34.0 2.00 4
11/29/2020 41.0 0 2 43.0 2.00 11 44.0 0.00 8 43.0 2.00 10 61.0 16.00 41 34.0 0.00 2
11/30/2020 29.0 0 2 28.0 0.00 11 31.0 0.00 9 33.0 0.00 10 37.0 10.00 34 31.0 0.00 2
12/01/2020 22.0 0 2 23.0 2.00 13 27.0 2.00 11 27.0 2.00 12 30.0 2.00 30 24.0 0.00 2
12/02/2020 25.0 2 2 29.0 5.00 14 29.0 4.00 12 29.0 4.00 14 29.0 5.00 34 26.0 2.00 3
12/03/2020 35.0 0 0 40.0 2.00 11 38.0 2.00 10 41.0 2.00 13 36.0 8.00 35 35.0 0.00 1
12/04/2020 30.0 0 0 32.0 2.00 13 32.0 1.00 12 35.0 2.00 16 48.0 9.00 33 31.0 0.00 1
12/05/2020 26.0 0 2 28.0 2.00 16 29.0 2.00 16 31.0 2.00 20 40.0 6.00 32 25.0 0.00 3
12/06/2020 26.0 0 4 29.0 3.00 20 30.0 3.00 20 31.0 4.00 24 36.0 6.00 33 28.0 1.00 5
12/07/2020 28.0 0 6 30.0 2.00 22 31.0 2.00 21 34.0 3.00 26 37.0 6.00 35 29.0 0.00 5
12/08/2020 29.0 0 8 31.0 4.00 25 32.0 4.00 24 35.0 5.00 29 38.0 6.00 37 29.0 0.00 6
12/09/2020 31.0 2 8 34.0 5.00 25 35.0 5.00 24 38.0 6.00 28 41.0 8.00 39 31.0 2.00 6
12/10/2020 34.0 2 6 37.0 6.00 22 37.0 6.00 21 40.0 6.00 26 42.0 7.00 37 35.0 2.00 4
12/11/2020 34.0 2 4 39.0 5.00 18 39.0 4.00 17 43.0 6.00 24 46.0 8.00 36 35.0 1.00 2

This table shows the five-day forward looking GDU accumulation for previous and forecast weather observations. The GDU accumulation is for a row in the table and includes the next 4 days. Researchers recommend that when a location receives more than 40 accumulated GDUs hybrid corn can be planted. High Yield Ag Solutions and KTS Wireless do not warrant the success of any recommendation. Absolutely no warranties are made regarding the success of these recommendations for any particular purpose. User expressly assumes the risk of all factors, including but not limited to acts of God, drought, wind and rain damage, crop disease, and the like, which may affect these recommendations.