SNF Holding Company

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
07/21/2021 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 36 149 76.0 36.00 157 76.0 37.00 157 77.0 37.00 161 72.0 36.00 140
08/01/2021 75.0 32 137 77.0 36.00 148 77.0 37.00 146 76.0 34.00 152 72.0 28.00 128
08/02/2021 70.0 28 132 73.0 30.00 142 73.0 29.00 139 73.0 32.00 147 70.0 28.00 128
08/03/2021 66.0 27 132 69.0 29.00 144 68.0 28.00 142 73.0 29.00 147 66.0 24.00 131
08/04/2021 63.0 26 135 65.0 26.00 149 64.0 26.00 148 64.0 26.00 147 72.0 29.00 150 64.0 24.00 140
08/05/2021 63.0 24 142 66.0 27.00 159 64.0 26.00 157 68.0 28.00 156 73.0 28.00 155 62.0 24.00 152
08/06/2021 66.0 27 151 70.0 30.00 168 68.0 30.00 167 71.0 30.00 163 70.0 29.00 161 67.0 28.00 164
08/07/2021 67.0 28 158 70.0 32.00 173 69.0 32.00 173 70.0 31.00 167 72.0 32.00 166 69.0 31.00 172
08/08/2021 70.0 30 162 73.0 34.00 176 73.0 34.00 175 73.0 32.00 170 72.0 32.00 168 73.0 33.00 175
08/09/2021 74.0 33 162 76.0 36.00 176 75.0 35.00 175 75.0 35.00 171 73.0 34.00 170 76.0 36.00 174
08/10/2021 74.0 33 159 76.0 36.00 174 75.0 36.00 174 75.0 35.00 169 74.0 34.00 169 77.0 36.00 170
08/11/2021 74.0 34 156 75.0 35.00 171 75.0 36.00 172 75.0 34.00 167 74.0 34.00 167 76.0 36.00 164
08/12/2021 73.0 32 150 76.0 35.00 168 74.0 34.00 168 74.0 34.00 165 74.0 34.00 165 75.0 34.00 158
08/13/2021 72.0 30 146 75.0 34.00 165 74.0 34.00 166 74.0 33.00 162 74.0 34.00 163 73.0 32.00 152
08/14/2021 70.0 30 144 74.0 34.00 163 73.0 34.00 164 74.0 33.00 161 73.0 33.00 161 71.0 32.00 148
08/15/2021 70.0 30 142 73.0 33.00 161 73.0 34.00 162 74.0 33.00 160 73.0 32.00 160 70.0 30.00 145
08/16/2021 69.0 28 140 72.0 32.00 160 72.0 32.00 159 73.0 32.00 159 73.0 32.00 160 69.0 30.00 143

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.