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Precipitation patterns have also fluctuated, with July 11, 2021 recording the highest precipitation in the past 15 years at 20.9 mm, all of which came from rainfall. Interestingly, six 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 July 11 reaching 29 mph (2021) and the highest sustained wind speed recorded at 13 mph (2021).
These historical trends suggest that the weather on July 11 in Petersburg has been quite unpredictable over the years.
Historical July 11 Weather in Petersburg (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 | 87°F | 68°F | 0.2 mm | 0.2 mm | 0 mm | 16 mph | 6 mph |
| 2011 | 95°F | 72°F | 8 mm | 8 mm | 0 mm | 27 mph | 8 mph |
| 2012 | 90°F | 70°F | 0 mm | 0 mm | 0 mm | 17 mph | 8 mph |
| 2013 | 80°F | 67°F | 2.5 mm | 2.5 mm | 0 mm | 24 mph | 10 mph |
| 2014 | 85°F | 62°F | 0 mm | 0 mm | 0 mm | 12 mph | 6 mph |
| 2015 | 80°F | 62°F | 0.1 mm | 0.1 mm | 0 mm | 9 mph | 5 mph |
| 2016 | 86°F | 66°F | 0 mm | 0 mm | 0 mm | 13 mph | 7 mph |
| 2017 | 85°F | 73°F | 2.4 mm | 2.4 mm | 0 mm | 26 mph | 11 mph |
| 2018 | 88°F | 72°F | 0.1 mm | 0.1 mm | 0 mm | 23 mph | 9 mph |
| 2019 | 88°F | 74°F | 7.1 mm | 7.1 mm | 0 mm | 24 mph | 10 mph |
| 2020 | 88°F | 69°F | 0 mm | 0 mm | 0 mm | 25 mph | 10 mph |
| 2021 | 77°F | 69°F | 20.9 mm | 20.9 mm | 0 mm | 29 mph | 13 mph |
| 2022 | 90°F | 68°F | 0 mm | 0 mm | 0 mm | 19 mph | 9 mph |
| 2023 | 87°F | 64°F | 0 mm | 0 mm | 0 mm | 18 mph | 7 mph |
| 2024 | 85°F | 66°F | 18.6 mm | 18.6 mm | 0 mm | 17 mph | 6 mph |
