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Precipitation patterns have also fluctuated, with Aug. 21, 2010 recording the highest precipitation in the past 15 years at 11 mm, all of which came from rainfall. Interestingly, seven years out of the last 15 years had no measurable precipitation on this date.
Wind speeds have varied as well, with the strongest gust on Aug. 21, 2010 and Aug. 21, 2018 reaching 30.5 mph and the highest sustained wind speed recorded on Aug. 21, 2018 at 14.4 mph.
These historical trends suggest that the weather on Aug. 21 in Wilmington has been quite unpredictable over the years.
Historical Aug. 21 Weather in Wilmington (Last 15 Years)
| Year | High Temp (°F) | Low Temp (°F) | Precipitation (mm) | Rain (mm) | Snowfall (mm) | Strongest Wind Gust (mph) | Max Wind Speed (mph) |
|---|---|---|---|---|---|---|---|
| 2010 | 86°F | 75°F | 11 mm | 11 mm | 0 mm | 30.5 mph | 10.5 mph |
| 2011 | 83°F | 68°F | 2.3 mm | 2.3 mm | 0 mm | 15.9 mph | 7.2 mph |
| 2012 | 85°F | 60°F | 0 mm | 0 mm | 0 mm | 12.6 mph | 7.6 mph |
| 2013 | 89°F | 68°F | 0 mm | 0 mm | 0 mm | 18.1 mph | 7.5 mph |
| 2014 | 89°F | 75°F | 0 mm | 0 mm | 0 mm | 19.3 mph | 13.2 mph |
| 2015 | 80°F | 59°F | 0 mm | 0 mm | 0 mm | 21 mph | 10.1 mph |
| 2016 | 76°F | 63°F | 0 mm | 0 mm | 0 mm | 20.6 mph | 9.6 mph |
| 2017 | 85°F | 71°F | 0.3 mm | 0.3 mm | 0 mm | 21.9 mph | 11.2 mph |
| 2018 | 80°F | 67°F | 1.1 mm | 1.1 mm | 0 mm | 30.5 mph | 14.4 mph |
| 2019 | 84°F | 71°F | 7 mm | 7 mm | 0 mm | 24.2 mph | 11.6 mph |
| 2020 | 81°F | 58°F | 0 mm | 0 mm | 0 mm | 10.1 mph | 4.7 mph |
| 2021 | 84°F | 73°F | 7.2 mm | 7.2 mm | 0 mm | 24.6 mph | 10.2 mph |
| 2022 | 78°F | 64°F | 0.3 mm | 0.3 mm | 0 mm | 19.7 mph | 9.4 mph |
| 2023 | 91°F | 76°F | 0 mm | 0 mm | 0 mm | 15.2 mph | 6.8 mph |
| 2024 | 72°F | 58°F | 1 mm | 1 mm | 0 mm | 11.9 mph | 5.2 mph |
