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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 5/2 (Report issued 5/2/2024 20:13)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 444 343 212 Current data from 3/1 through 5/2/2024 7PM.
Temperature data estimated for: 4/30/2024 11AM-Noon - 4/30/2024 Noon-1PM (2 hours); Total of 2 estimated hours
2023 276 207 130 Data from 3/1 through 5/2/2023.
Temperature data estimated for: 3/3/2023 9-10AM (1 hour); 4/29/2023 6-7PM - 4/29/2023 7-8PM (2 hours); 4/30/2023 8-9PM (1 hour); Total of 4 estimated hours
2022 242 177 101 Data from 3/1 through 5/2/2022.
Temperature data estimated for: 4/11/2022 9-10AM - 4/11/2022 10-11AM (2 hours); Total of 2 estimated hours
2021 442 343 213 Data from 3/1 through 5/2/2021.
2020 247 173 85 Data from 3/1 through 5/2/2020.
2019 242 176 94 Data from 3/1 through 5/2/2019.
Average of 5 years, not including current year 289.9 215.2 124.7 5 years with > 90% of data.
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