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

East Lansing (MSUHort) Historical Degree Day Summary (Numerical Integration method) from 3/1 to 4/20 (Report issued 4/20/2024 8:21)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 279 205 116 Current data from 3/1 through 4/20/2024 8AM.
2023 234 182 120 Data from 3/1 through 4/20/2023.
Temperature data estimated for: 3/3/2023 9-10AM (1 hour); Total of 1 estimated hours
2022 132 93 50 Data from 3/1 through 4/20/2022.
Temperature data estimated for: 4/11/2022 9-10AM - 4/11/2022 10-11AM (2 hours); Total of 2 estimated hours
2021 322 247 149 Data from 3/1 through 4/20/2021.
2020 154 102 44 Data from 3/1 through 4/20/2020.
2019 140 99 51 Data from 3/1 through 4/20/2019.
Average of 5 years, not including current year 196.6 144.4 82.9 5 years with > 90% of data.
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