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

Williamsburg 20m Tower Heat Stress Summary Assist Chart (Report issued 4/20/2024 8:08 )

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 0 120 0 0 0 0 1.03 4/6 to 4/20/2024
Missing temperature data: 4/20 (17 hours)
Missing rainfall data: 4/20 (17 hours)
2023 0 192 0 0 3 1 1.5 4/6 to 4/20/2023
Estimated rainfall data: 4/6 to 4/20 (360 hours)
2022 0 51 0 0 0 0 2.07 4/6 to 4/20/2022
Estimated rainfall data: 4/6 to 4/20 (360 hours)
2021 0 124 0 0 0 0 0.7 4/6 to 4/20/2021
2020 0 42 0 0 0 0 1.15 4/6 to 4/20/2020
2019 0 52 0 0 0 0 1.97 4/6 to 4/20/2019
Estimated temperature data: 4/11 (2 hours)
Estimated rainfall data: 4/11 (2 hours)
Average of 5 years, not including current year 0 92.2 0 0 0.6 0.2 1.48 2019 to 2023
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