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

Haslett Historical Degree Day Summary (Numerical Integration method) from 3/1 to 4/20 (Report issued 4/20/2024 1:25)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 279 207 119 Current data from 3/1 through 4/20/2024 1AM.
2023 244 192 129 Data from 3/1 through 4/20/2023.
2022 132 92 50 Data from 3/1 through 4/20/2022.
2021 329 253 154 Data from 3/1 through 4/20/2021.
Temperature data estimated for: 3/31/2021 9-10AM (1 hour); Total of 1 estimated hours
2020 157 104 45 Data from 3/1 through 4/20/2020.
2019 140 100 53 Data from 3/1 through 4/20/2019.
Average of 5 years, not including current year 200.4 148.1 86.1 5 years with > 90% of data.
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