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

Petoskey Historical Degree Day Summary (Numerical Integration method) from 3/1 to 4/24 (Report issued 4/24/2024 21:56)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 150 100 45 Current data from 3/1 through 4/24/2024 9PM.
2023 176 145 102 Data from 3/1 through 4/24/2023.
Temperature data estimated for: 4/1/2023 5-6AM (1 hour); 4/5/2023 4-5AM - 4/5/2023 5-6AM (2 hours); 4/5/2023 11AM-Noon (1 hour); 4/16/2023 3-4PM (1 hour); 4/16/2023 6-7PM - 4/16/2023 8-9PM (3 hours); Total of 8 estimated hours
2022 71 47 22 Data from 3/1 through 4/24/2022.
2021 229 169 92 Data from 3/1 through 4/24/2021.
2020 48 25 5 Data from 3/1 through 4/24/2020.
2019 70 45 19 Data from 3/1 through 4/24/2019.
Average of 5 years, not including current year 118.6 86 47.9 5 years with > 90% of data.
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