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
06/03/2021 66.0 24 122 67.0 26.00 131 65.0 25.00 128 68.0 28.00 146 62.0 22.00 119
06/04/2021 64.0 25 119 64.0 26.00 131 62.0 24.00 132 70.0 30.00 147 63.0 24.00 120
06/05/2021 70.0 24 118 72.0 26.00 133 70.0 25.00 138 70.0 29.00 147 64.0 25.00 124
06/06/2021 70.0 24 120 70.0 25.00 131 71.0 26.00 139 72.0 30.00 150 66.0 24.00 130
06/07/2021 68.0 25 127 70.0 28.00 136 69.0 28.00 143 72.0 29.00 151 68.0 24.00 138
06/08/2021 70.0 21 136 71.0 26.00 141 70.0 29.00 149 72.0 29.00 152 69.0 23.00 146
06/09/2021 72.0 24 151 71.0 28.00 150 72.0 30.00 155 70.0 30.00 155 69.0 28.00 155
06/10/2021 72.0 26 161 71.0 24.00 155 72.0 26.00 159 71.0 32.00 157 73.0 31.00 157
06/11/2021 72.0 31 167 71.0 30.00 163 73.0 30.00 165 72.0 31.00 159 73.0 32.00 156
06/12/2021 77.0 34 165 73.0 33.00 162 76.0 34.00 165 73.0 30.00 159 71.0 32.00 154
06/13/2021 77.0 36 161 73.0 35.00 157 77.0 35.00 159 72.0 32.00 158 72.0 32.00 154
06/14/2021 75.0 34 154 72.0 33.00 152 76.0 34.00 152 71.0 32.00 152 67.0 30.00 154
06/15/2021 72.0 32 149 69.0 32.00 147 71.0 32.00 148 74.0 34.00 148 70.0 30.00 155
06/16/2021 68.0 29 149 67.0 29.00 147 72.0 30.00 148 71.0 31.00 144 69.0 30.00 159
06/17/2021 68.0 30 148 65.0 28.00 148 66.0 28.00 148 65.0 28.00 149 67.0 29.00 143 70.0 32.00 158
06/18/2021 68.0 29 139 68.0 30.00 144 64.0 28.00 144 67.0 28.00 147 73.0 26.00 143 73.0 32.00 146
06/19/2021 70.0 29 130 73.0 28.00 138 71.0 30.00 140 73.0 28.00 147 73.0 28.00 145 70.0 31.00 134
06/20/2021 70.0 32 126 71.0 32.00 138 72.0 32.00 138 72.0 32.00 150 73.0 30.00 145 72.0 34.00 130
06/21/2021 71.0 28 123 74.0 30.00 137 74.0 30.00 138 76.0 33.00 150 74.0 30.00 145 70.0 29.00 127
06/22/2021 63.0 21 126 68.0 24.00 139 67.0 24.00 140 73.0 26.00 149 73.0 29.00 145 62.0 20.00 132
06/23/2021 58.0 20 134 63.0 24.00 145 63.0 24.00 147 70.0 28.00 153 71.0 28.00 146 57.0 20.00 142
06/24/2021 63.0 25 142 66.0 28.00 151 66.0 28.00 153 71.0 31.00 157 70.0 28.00 148 65.0 27.00 150
06/25/2021 70.0 29 145 72.0 31.00 153 72.0 32.00 155 74.0 32.00 158 71.0 30.00 150 71.0 31.00 151
06/26/2021 72.0 31 144 73.0 32.00 152 73.0 32.00 153 74.0 32.00 158 71.0 30.00 151 74.0 34.00 148
06/27/2021 71.0 29 141 73.0 30.00 151 72.0 31.00 152 73.0 30.00 158 71.0 30.00 151 71.0 30.00 144
06/28/2021 69.0 28 140 72.0 30.00 152 71.0 30.00 152 73.0 32.00 160 71.0 30.00 151 69.0 28.00 144
06/29/2021 69.0 28 140 72.0 30.00 153 71.0 30.00 153 73.0 32.00 160 72.0 30.00 152 69.0 28.00 146

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.