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Precipitation patterns have also fluctuated, with March 18, 2013 recording the highest precipitation in the past 15 years at 20.5 mm, all of which came from rainfall. Interestingly, eight 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 March 18 reaching 37 mph (2021) and the highest sustained wind speed recorded at 17 mph (2021).
These historical trends suggest that the weather on March 18 in Petersburg has been quite unpredictable over the years.
Historical March 18 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 | 64°F | 38°F | 0 mm | 0 mm | 0 mm | 16 mph | 7 mph |
| 2011 | 64°F | 49°F | 5.7 mm | 5.7 mm | 0 mm | 27 mph | 13 mph |
| 2012 | 77°F | 58°F | 0 mm | 0 mm | 0 mm | 25 mph | 8 mph |
| 2013 | 51°F | 33°F | 20.5 mm | 20.5 mm | 0 mm | 37 mph | 12 mph |
| 2014 | 49°F | 28°F | 0 mm | 0 mm | 0 mm | 22 mph | 9 mph |
| 2015 | 48°F | 29°F | 0 mm | 0 mm | 0 mm | 20 mph | 9 mph |
| 2016 | 58°F | 40°F | 0 mm | 0 mm | 0 mm | 22 mph | 8 mph |
| 2017 | 45°F | 38°F | 0.1 mm | 0.1 mm | 0 mm | 30 mph | 13 mph |
| 2018 | 55°F | 28°F | 0 mm | 0 mm | 0 mm | 17 mph | 7 mph |
| 2019 | 46°F | 27°F | 0 mm | 0 mm | 0 mm | 19 mph | 7 mph |
| 2020 | 59°F | 37°F | 15.5 mm | 15.5 mm | 0 mm | 28 mph | 13 mph |
| 2021 | 56°F | 41°F | 17.8 mm | 17.8 mm | 0 mm | 37 mph | 17 mph |
| 2022 | 63°F | 50°F | 7.9 mm | 7.9 mm | 0 mm | 24 mph | 11 mph |
| 2023 | 35°F | 22°F | 0.2 mm | 0 mm | 1.4 mm | 34 mph | 15 mph |
| 2024 | 36°F | 28°F | 0 mm | 0 mm | 0 mm | 27 mph | 12 mph |
