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Precipitation patterns have also fluctuated, with July 13, 2014 recording the highest precipitation in the past 15 years at 14.2 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 July 13 reaching 33 mph (2021) and the highest sustained wind speed recorded at 12 mph (2021).
These historical trends suggest that the weather on July 13 in Petersburg has been quite unpredictable over the years.
Historical July 13 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 | 83°F | 71°F | 2.5 mm | 2.5 mm | 0 mm | 11 mph | 3 mph |
| 2011 | 88°F | 74°F | 0.3 mm | 0.3 mm | 0 mm | 21 mph | 8 mph |
| 2012 | 84°F | 70°F | 0 mm | 0 mm | 0 mm | 19 mph | 8 mph |
| 2013 | 82°F | 64°F | 0 mm | 0 mm | 0 mm | 27 mph | 8 mph |
| 2014 | 91°F | 73°F | 14.2 mm | 14.2 mm | 0 mm | 28 mph | 11 mph |
| 2015 | 85°F | 67°F | 1.3 mm | 1.3 mm | 0 mm | 26 mph | 10 mph |
| 2016 | 89°F | 71°F | 0.1 mm | 0.1 mm | 0 mm | 27 mph | 10 mph |
| 2017 | 86°F | 74°F | 12 mm | 12 mm | 0 mm | 24 mph | 9 mph |
| 2018 | 92°F | 66°F | 0 mm | 0 mm | 0 mm | 15 mph | 5 mph |
| 2019 | 92°F | 64°F | 0 mm | 0 mm | 0 mm | 14 mph | 5 mph |
| 2020 | 84°F | 64°F | 0 mm | 0 mm | 0 mm | 15 mph | 6 mph |
| 2021 | 80°F | 70°F | 12.1 mm | 12.1 mm | 0 mm | 33 mph | 12 mph |
| 2022 | 88°F | 67°F | 0 mm | 0 mm | 0 mm | 24 mph | 10 mph |
| 2023 | 88°F | 73°F | 7.2 mm | 7.2 mm | 0 mm | 23 mph | 9 mph |
| 2024 | 90°F | 68°F | 0 mm | 0 mm | 0 mm | 14 mph | 5 mph |
