Skip to main content
  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Hart Heat Stress Summary Assist Chart (Report issued 5/1/2024 17:52 )

Year Degree Days Base 40 F
Number of days with DD > 35
Degree Days Base 40 F
Total DD
Temperatures greater than 90 F
Number of hours
Temperatures greater than 90 F
Number of days
Night temperatures greater than 70 F (10 PM - 8 AM)
Number of hours
Night temperatures greater than 70 F (10 PM - 8 AM)
Number of days
Rainfall (in.) Time period assessed
2024 0 151 0 0 0 0 2.65 4/17 to 5/1/2024
Missing temperature data: 5/1 (7 hours)
Missing rainfall data: 5/1 (7 hours)
2023 0 54 0 0 0 0 1.58 4/17 to 5/1/2023
2022 0 107 0 0 6 1 1.69 4/17 to 5/1/2022
2021 0 88 0 0 0 0 0.33 4/17 to 5/1/2021
2020 0 78 0 0 0 0 1.92 4/17 to 5/1/2020
2019 0 112 0 0 0 0 1.44 4/17 to 5/1/2019
Average of 5 years, not including current year 0 87.8 0 0 1.2 0.2 1.39 2019 to 2023