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
07/20/2021 72.0 30 160 71.0 28.00 163 71.0 30.00 162 73.0 28.00 155 69.0 27.00 152
07/21/2021 72.0 30 165 73.0 31.00 171 71.0 30.00 168 73.0 30.00 159 68.0 28.00 161
07/22/2021 73.0 32 171 75.0 34.00 178 71.0 32.00 174 74.0 33.00 162 71.0 31.00 167
07/23/2021 77.0 34 174 75.0 34.00 180 74.0 34.00 178 73.0 32.00 163 73.0 32.00 172
07/24/2021 75.0 34 176 77.0 36.00 184 75.0 36.00 181 73.0 32.00 163 74.0 34.00 174
07/25/2021 75.0 35 176 77.0 36.00 184 75.0 36.00 181 72.0 32.00 165 76.0 36.00 175
07/26/2021 77.0 36 175 78.0 38.00 184 76.0 36.00 181 72.0 33.00 169 75.0 34.00 176
07/27/2021 75.0 35 175 77.0 36.00 182 75.0 36.00 182 76.0 34.00 173 76.0 36.00 178
07/28/2021 77.0 36 172 77.0 38.00 182 77.0 37.00 183 74.0 32.00 173 74.0 34.00 170
07/29/2021 73.0 34 164 76.0 36.00 174 76.0 36.00 175 74.0 34.00 173 74.0 35.00 164
07/30/2021 72.0 34 157 75.0 36.00 167 75.0 36.00 167 75.0 36.00 168 76.0 37.00 153
07/31/2021 75.0 36 146 76.0 36.00 158 76.0 37.00 158 77.0 37.00 162 72.0 36.00 140
08/01/2021 75.0 32 134 77.0 36.00 150 77.0 37.00 147 76.0 34.00 155 72.0 28.00 128
08/02/2021 70.0 28 128 73.0 30.00 144 73.0 29.00 140 72.0 28.00 141 73.0 32.00 151 70.0 28.00 128
08/03/2021 66.0 27 128 69.0 29.00 147 68.0 28.00 143 70.0 28.00 145 73.0 29.00 149 66.0 24.00 131
08/04/2021 62.0 23 132 65.0 27.00 152 65.0 27.00 149 69.0 28.00 151 72.0 30.00 152 64.0 24.00 141
08/05/2021 61.0 24 143 65.0 28.00 161 63.0 26.00 158 65.0 28.00 157 72.0 30.00 155 61.0 24.00 153
08/06/2021 65.0 26 153 69.0 30.00 169 68.0 30.00 168 69.0 29.00 164 72.0 30.00 159 66.0 28.00 165
08/07/2021 67.0 28 159 72.0 33.00 175 70.0 32.00 173 71.0 32.00 170 73.0 30.00 163 69.0 31.00 173
08/08/2021 71.0 31 163 74.0 34.00 177 73.0 34.00 176 74.0 34.00 173 73.0 32.00 167 74.0 34.00 176
08/09/2021 74.0 34 164 76.0 36.00 178 76.0 36.00 177 74.0 34.00 173 73.0 33.00 167 76.0 36.00 176
08/10/2021 74.0 34 162 77.0 36.00 178 76.0 36.00 176 75.0 35.00 173 75.0 34.00 168 77.0 36.00 174
08/11/2021 73.0 32 160 76.0 36.00 176 75.0 35.00 174 76.0 35.00 172 75.0 34.00 167 76.0 36.00 170
08/12/2021 73.0 32 158 76.0 35.00 174 75.0 35.00 173 76.0 35.00 170 74.0 34.00 165 75.0 34.00 166
08/13/2021 72.0 32 156 75.0 35.00 173 75.0 35.00 171 75.0 34.00 168 73.0 32.00 163 74.0 34.00 164
08/14/2021 72.0 32 154 75.0 36.00 172 74.0 35.00 170 75.0 34.00 166 74.0 34.00 163 73.0 34.00 160
08/15/2021 72.0 32 152 75.0 34.00 170 74.0 34.00 169 75.0 34.00 165 74.0 33.00 161 72.0 32.00 156

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.