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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Historical Degree Day Summary for Field Crops from 3/1/2024 to 4/23/2024 (Report issued 4/23/2024 23:27)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 372 216 Data from 3/1 through 4/23/2024.
Degree day data estimated for: 4/16 Includes forecast data for 4/23.
2023 296 184 Data from 3/1 through 4/23/2023.
2022 217 136 Data from 3/1 through 4/23/2022.
Degree day data estimated for: 3/7; 3/10 - 3/11; 3/21; 4/3; 4/9 - 4/15; 4/17 - 4/23
2021 339 217 Data from 3/1 through 4/23/2021.
2020 180 125 Data from 3/1 through 4/23/2020.
Degree day data estimated for: 3/15
2019 222 137 Data from 3/1 through 4/23/2019.
Average of 6 years 270.8 169 6 years with > 90% of data.
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