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

Mendon Heat Stress Summary Assist Chart (Report issued 4/25/2024 18:45 )

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 0 172 0 0 0 0 1.87 4/11 to 4/25/2024
Missing temperature data: 4/25 (6 hours)
Missing rainfall data: 4/25 (6 hours)
2023 0 200 0 0 0 0 0.54 4/11 to 4/25/2023
2022 0 156 0 0 2 1 2.07 4/11 to 4/25/2022
2021 0 86 0 0 0 0 0.36 4/11 to 4/25/2021
2020 0 67 0 0 0 0 1.36 4/11 to 4/25/2020
2019 0 154 0 0 0 0 1.51 4/11 to 4/25/2019
Average of 5 years, not including current year 0 132.4 0 0 0.4 0.2 1.17 2019 to 2023