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Precipitation patterns have also fluctuated, with July 22, 2013 recording the highest precipitation in the past 15 years at 14 mm, all of which came from rainfall. Interestingly, five 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 22 reaching 31 mph (2017) and the highest sustained wind speed recorded at 12 mph (2017).
These historical trends suggest that the weather on July 22 in Petersburg has been quite unpredictable over the years.
Historical July 22 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 | 89°F | 74°F | 0.8 mm | 0.8 mm | 0 mm | 20 mph | 7 mph |
| 2011 | 92°F | 78°F | 8.5 mm | 8.5 mm | 0 mm | 19 mph | 6 mph |
| 2012 | 90°F | 68°F | 0 mm | 0 mm | 0 mm | 10 mph | 5 mph |
| 2013 | 81°F | 71°F | 14 mm | 14 mm | 0 mm | 20 mph | 7 mph |
| 2014 | 89°F | 70°F | 0 mm | 0 mm | 0 mm | 15 mph | 7 mph |
| 2015 | 80°F | 64°F | 0 mm | 0 mm | 0 mm | 13 mph | 7 mph |
| 2016 | 86°F | 75°F | 0.3 mm | 0.3 mm | 0 mm | 17 mph | 6 mph |
| 2017 | 93°F | 74°F | 3.1 mm | 3.1 mm | 0 mm | 31 mph | 12 mph |
| 2018 | 78°F | 67°F | 12.5 mm | 12.5 mm | 0 mm | 24 mph | 9 mph |
| 2019 | 75°F | 66°F | 11.8 mm | 11.8 mm | 0 mm | 23 mph | 10 mph |
| 2020 | 83°F | 72°F | 4.8 mm | 4.8 mm | 0 mm | 23 mph | 7 mph |
| 2021 | 83°F | 65°F | 0 mm | 0 mm | 0 mm | 15 mph | 6 mph |
| 2022 | 94°F | 70°F | 0 mm | 0 mm | 0 mm | 23 mph | 9 mph |
| 2023 | 81°F | 64°F | 0.5 mm | 0.5 mm | 0 mm | 12 mph | 5 mph |
| 2024 | 83°F | 66°F | 2.1 mm | 2.1 mm | 0 mm | 16 mph | 7 mph |
