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

Aetna / Fremont Historical Degree Day Summary (Numerical Integration method) from 3/1 to 4/26 (Report issued 4/26/2024 9:23)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 244 174 90 Current data from 3/1 through 4/26/2024 9AM.
2023 208 159 105 Data from 3/1 through 4/26/2023.
2022 151 111 64 Data from 3/1 through 4/26/2022.
Temperature data estimated for: 4/14/2022 11PM - Midnight - 4/22/2022 11PM - Midnight (193 hours); Total of 193 estimated hours
2021 281 209 118 Data from 3/1 through 4/26/2021.
2020 134 85 34 Data from 3/1 through 4/26/2020.
2019 101 77 47 Data from 3/1 through 4/26/2019.
Temperature data missing for: 3/1/2019 Midnight-1AM - 3/10/2019 Midnight-1AM (217 hours); 3/10/2019 2-3AM - 4/9/2019 11PM - Midnight (742 hours); Total of 959 missing hours
Average of 4 years, not including current year 193.5 140.8 80 4 years with > 90% of data.
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