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Precipitation patterns have also fluctuated, with March 15, 2011 recording the highest precipitation in the past 15 years at 12.7 mm, all of which came from rainfall. Interestingly, nine 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 15 reaching 36 mph (2019) and the highest sustained wind speed recorded at 16 mph (2019).
These historical trends suggest that the weather on March 15 in Petersburg has been quite unpredictable over the years.
Historical March 15 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 | 49°F | 39°F | 0 mm | 0 mm | 0 mm | 21 mph | 9 mph |
| 2011 | 51°F | 38°F | 12.7 mm | 12.7 mm | 0 mm | 21 mph | 10 mph |
| 2012 | 75°F | 58°F | 1.3 mm | 1.3 mm | 0 mm | 29 mph | 14 mph |
| 2013 | 54°F | 30°F | 1.3 mm | 1.3 mm | 0 mm | 19 mph | 7 mph |
| 2014 | 57°F | 38°F | 0.3 mm | 0.3 mm | 0 mm | 28 mph | 10 mph |
| 2015 | 62°F | 37°F | 0 mm | 0 mm | 0 mm | 16 mph | 9 mph |
| 2016 | 74°F | 53°F | 0 mm | 0 mm | 0 mm | 22 mph | 9 mph |
| 2017 | 32°F | 20°F | 0 mm | 0 mm | 0 mm | 34 mph | 14 mph |
| 2018 | 52°F | 31°F | 0 mm | 0 mm | 0 mm | 25 mph | 11 mph |
| 2019 | 54°F | 37°F | 0 mm | 0 mm | 0 mm | 36 mph | 16 mph |
| 2020 | 46°F | 31°F | 0 mm | 0 mm | 0 mm | 23 mph | 9 mph |
| 2021 | 42°F | 34°F | 8.1 mm | 8.1 mm | 0 mm | 30 mph | 14 mph |
| 2022 | 66°F | 44°F | 0 mm | 0 mm | 0 mm | 21 mph | 9 mph |
| 2023 | 49°F | 23°F | 0 mm | 0 mm | 0 mm | 13 mph | 7 mph |
| 2024 | 59°F | 43°F | 2.3 mm | 2.3 mm | 0 mm | 22 mph | 9 mph |
