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Williamsburg 20m Tower Heat Stress Summary Assist Chart (Report issued 4/25/2024 11:59 )

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 95 0 0 0 0 1.09 4/11 to 4/25/2024
Missing temperature data: 4/25 (13 hours)
Missing rainfall data: 4/25 (13 hours)
2023 0 173 0 0 3 1 1.36 4/11 to 4/25/2023
Estimated rainfall data: 4/11 to 4/25 (360 hours)
2022 0 108 0 0 4 1 1.94 4/11 to 4/25/2022
Missing rainfall data: 4/25 (3 hours)
Estimated rainfall data: 4/11 to 4/25 (360 hours)
2021 0 54 0 0 0 0 0.44 4/11 to 4/25/2021
2020 0 34 0 0 0 0 0.59 4/11 to 4/25/2020
2019 0 77 0 0 0 0 2.22 4/11 to 4/25/2019
Estimated temperature data: 4/11 (2 hours)
Estimated rainfall data: 4/11 (2 hours)
Average of 5 years, not including current year 0 89.2 0 0 1.4 0.4 1.31 2019 to 2023