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
07/23/2020 75.0 34 163 76.0 37.00 172 75.0 34.00 163 72.0 30.00 160 73.0 32.00 162
07/24/2020 75.0 33 162 74.0 34.00 165 74.0 32.00 161 73.0 32.00 158 72.0 32.00 163
07/25/2020 73.0 32 162 75.0 34.00 164 74.0 33.00 163 76.0 34.00 156 73.0 32.00 165
07/26/2020 73.0 32 162 74.0 34.00 164 72.0 32.00 165 73.0 32.00 155 73.0 33.00 167
07/27/2020 72.0 32 160 75.0 33.00 162 73.0 32.00 165 73.0 32.00 157 73.0 33.00 163
07/28/2020 73.0 33 154 72.0 30.00 157 71.0 32.00 161 73.0 28.00 159 73.0 33.00 156
07/29/2020 75.0 33 147 74.0 33.00 155 74.0 34.00 157 73.0 30.00 165 74.0 34.00 151
07/30/2020 75.0 32 144 76.0 34.00 152 78.0 35.00 153 75.0 33.00 170 75.0 34.00 143
07/31/2020 73.0 30 138 74.0 32.00 148 75.0 32.00 146 75.0 34.00 171 72.0 29.00 133
08/01/2020 70.0 26 132 70.0 28.00 142 70.0 28.00 140 74.0 34.00 171 68.0 26.00 124
08/02/2020 64.0 26 130 66.0 28.00 140 65.0 28.00 136 72.0 34.00 170 66.0 28.00 120
08/03/2020 70.0 30 129 68.0 30.00 140 68.0 30.00 138 74.0 35.00 168 66.0 26.00 120
08/04/2020 68.0 26 129 70.0 30.00 143 68.0 28.00 140 74.0 34.00 167 64.0 24.00 124
08/05/2020 64.0 24 134 66.0 26.00 147 64.0 26.00 146 74.0 34.00 169 59.0 20.00 134
08/06/2020 63.0 24 142 62.0 26.00 156 60.0 24.00 155 61.0 25.00 158 73.0 33.00 170 60.0 22.00 148
08/07/2020 64.0 25 149 66.0 28.00 164 67.0 30.00 165 68.0 30.00 167 74.0 32.00 171 67.0 28.00 158
08/08/2020 67.0 30 154 70.0 33.00 169 69.0 32.00 168 72.0 34.00 169 75.0 34.00 173 68.0 30.00 162
08/09/2020 70.0 31 154 73.0 34.00 168 73.0 34.00 168 75.0 35.00 167 76.0 36.00 171 72.0 34.00 163
08/10/2020 72.0 32 153 75.0 35.00 166 75.0 35.00 166 75.0 34.00 164 75.0 35.00 168 74.0 34.00 159
08/11/2020 72.0 31 150 75.0 34.00 163 74.0 34.00 163 75.0 34.00 162 75.0 34.00 166 74.0 32.00 155
08/12/2020 71.0 30 148 74.0 33.00 161 73.0 33.00 161 74.0 32.00 160 74.0 34.00 165 73.0 32.00 153
08/13/2020 71.0 30 146 74.0 32.00 160 73.0 32.00 160 74.0 32.00 160 74.0 32.00 164 72.0 31.00 150
08/14/2020 71.0 30 144 74.0 32.00 160 73.0 32.00 160 74.0 32.00 160 74.0 33.00 165 71.0 30.00 147
08/15/2020 70.0 29 142 73.0 32.00 159 73.0 32.00 160 73.0 32.00 160 74.0 33.00 164 70.0 30.00 147
08/16/2020 70.0 29 141 72.0 32.00 159 72.0 32.00 160 73.0 32.00 160 74.0 33.00 163 70.0 30.00 146
08/17/2020 69.0 28 141 72.0 32.00 159 72.0 32.00 160 73.0 32.00 160 74.0 33.00 163 70.0 29.00 146
08/18/2020 69.0 28 142 71.0 32.00 159 71.0 32.00 160 73.0 32.00 160 74.0 33.00 163 69.0 28.00 147

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.