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
06/23/2020 70.0 28 143 75.0 32.00 148 76.0 31.00 147 71.0 28.00 156 69.0 26.00 138
06/24/2020 73.0 30 149 73.0 29.00 150 71.0 30.00 150 74.0 32.00 163 68.0 26.00 144
06/25/2020 72.0 29 153 70.0 29.00 154 70.0 28.00 152 73.0 30.00 165 65.0 27.00 147
06/26/2020 70.0 24 158 70.0 24.00 160 70.0 24.00 158 72.0 32.00 169 72.0 29.00 152
06/27/2020 73.0 32 166 76.0 34.00 170 76.0 34.00 169 74.0 34.00 171 71.0 30.00 151
06/28/2020 77.0 34 167 76.0 34.00 170 76.0 34.00 169 75.0 35.00 167 74.0 32.00 151
06/29/2020 77.0 34 165 76.0 33.00 169 75.0 32.00 167 76.0 34.00 164 74.0 29.00 151
06/30/2020 77.0 34 163 78.0 35.00 170 76.0 34.00 168 75.0 34.00 160 74.0 32.00 152
07/01/2020 73.0 32 161 74.0 34.00 167 76.0 35.00 165 74.0 34.00 155 69.0 28.00 152
07/02/2020 73.0 33 160 73.0 34.00 165 72.0 34.00 162 73.0 30.00 151 70.0 30.00 155
07/03/2020 72.0 32 159 73.0 33.00 161 72.0 32.00 158 73.0 32.00 149 72.0 32.00 157
07/04/2020 73.0 32 155 73.0 34.00 158 73.0 33.00 156 72.0 30.00 148 72.0 30.00 155
07/05/2020 73.0 32 153 73.0 32.00 156 72.0 31.00 156 73.0 29.00 150 71.0 32.00 157
07/06/2020 72.0 31 153 72.0 32.00 159 71.0 32.00 161 74.0 30.00 155 71.0 31.00 157
07/07/2020 73.0 32 155 72.0 30.00 162 73.0 30.00 165 72.0 30.00 158 74.0 28.00 159 73.0 32.00 160
07/08/2020 72.0 28 155 75.0 30.00 166 75.0 30.00 169 74.0 28.00 162 73.0 31.00 167 73.0 30.00 159
07/09/2020 71.0 30 157 73.0 32.00 170 74.0 33.00 173 73.0 32.00 168 75.0 32.00 172 73.0 32.00 159
07/10/2020 73.0 32 159 76.0 35.00 172 77.0 36.00 174 76.0 34.00 169 75.0 34.00 174 73.0 32.00 159
07/11/2020 73.0 33 160 76.0 35.00 173 76.0 36.00 172 76.0 34.00 168 76.0 34.00 174 74.0 34.00 161
07/12/2020 72.0 32 161 76.0 34.00 174 76.0 34.00 170 77.0 34.00 167 77.0 36.00 173 73.0 31.00 163
07/13/2020 70.0 30 163 74.0 34.00 174 75.0 34.00 171 76.0 34.00 166 78.0 36.00 170 71.0 30.00 168
07/14/2020 71.0 32 166 74.0 34.00 174 74.0 34.00 171 75.0 33.00 163 75.0 34.00 166 72.0 32.00 173
07/15/2020 73.0 33 166 76.0 36.00 173 75.0 34.00 169 75.0 33.00 161 76.0 34.00 164 75.0 34.00 176
07/16/2020 74.0 34 166 76.0 36.00 171 75.0 34.00 169 75.0 33.00 160 75.0 33.00 162 76.0 36.00 176
07/17/2020 74.0 34 165 75.0 34.00 169 76.0 35.00 169 75.0 33.00 159 75.0 33.00 161 77.0 36.00 174
07/18/2020 74.0 33 163 75.0 34.00 169 75.0 34.00 167 74.0 31.00 158 74.0 32.00 160 76.0 35.00 172
07/19/2020 73.0 32 162 74.0 33.00 169 74.0 32.00 166 74.0 31.00 159 74.0 32.00 160 76.0 35.00 171

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.