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Precipitation patterns have also fluctuated, with March 17, 2013 recording the highest precipitation in the past 15 years at 8.7 mm, consisting of 3.2 mm of rainfall and 39.2 mm of snowfall. For reference, 7 mm of snowfall is generally equivalent to 1 mm of rain or total precipitation. 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 March 17 reaching 35 mph (2016) and the highest sustained wind speed recorded at 15 mph (2016).
These historical trends suggest that the weather on March 17 in Petersburg has been quite unpredictable over the years.
Historical March 17 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 | 61°F | 41°F | 0 mm | 0 mm | 0 mm | 13 mph | 7 mph |
| 2011 | 71°F | 41°F | 0 mm | 0 mm | 0 mm | 31 mph | 14 mph |
| 2012 | 74°F | 53°F | 1.6 mm | 1.6 mm | 0 mm | 17 mph | 8 mph |
| 2013 | 39°F | 33°F | 8.7 mm | 3.2 mm | 39.2 mm | 22 mph | 10 mph |
| 2014 | 41°F | 25°F | 0 mm | 0 mm | 1.4 mm | 25 mph | 11 mph |
| 2015 | 59°F | 36°F | 0 mm | 0 mm | 0 mm | 32 mph | 13 mph |
| 2016 | 61°F | 46°F | 0 mm | 0 mm | 0 mm | 35 mph | 15 mph |
| 2017 | 45°F | 29°F | 6.9 mm | 6.9 mm | 0 mm | 26 mph | 9 mph |
| 2018 | 46°F | 31°F | 5 mm | 5 mm | 0 mm | 21 mph | 8 mph |
| 2019 | 51°F | 28°F | 0.3 mm | 0 mm | 2.1 mm | 28 mph | 12 mph |
| 2020 | 54°F | 40°F | 0.6 mm | 0.6 mm | 0 mm | 19 mph | 8 mph |
| 2021 | 65°F | 40°F | 2.6 mm | 2.6 mm | 0 mm | 21 mph | 8 mph |
| 2022 | 70°F | 42°F | 0 mm | 0 mm | 0 mm | 12 mph | 5 mph |
| 2023 | 56°F | 30°F | 7.2 mm | 7.2 mm | 0 mm | 34 mph | 15 mph |
| 2024 | 53°F | 37°F | 0 mm | 0 mm | 0 mm | 32 mph | 13 mph |
