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

Romeo Historical Degree Day Summary (Numerical Integration method) from 3/1 to 4/16 (Report issued 4/16/2024 10:45)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 199 140 74 Current data from 3/1 through 4/16/2024 10AM.
2023 214 167 110 Data from 3/1 through 4/16/2023.
2022 117 80 42 Data from 3/1 through 4/16/2022.
2021 286 218 130 Data from 3/1 through 4/16/2021.
2020 126 79 32 Data from 3/1 through 4/16/2020.
Temperature data estimated for: 3/1/2020 Midnight-1AM - 3/8/2020 Midnight-1AM (169 hours); 3/8/2020 2-3AM - 3/25/2020 3-4PM (422 hours); Total of 591 estimated hours
2019 113 79 40 Data from 3/1 through 4/16/2019.
Average of 5 years, not including current year 171.3 124.4 70.7 5 years with > 90% of data.
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