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Precipitation patterns have also fluctuated, with May 17, 2010 recording the highest precipitation in the past 15 years at 17.2 mm, all of which came from rainfall. Interestingly, four 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 May 17 reaching 33 mph (2017) and the highest sustained wind speed recorded at 14 mph (2017).
These historical trends suggest that the weather on May 17 in Petersburg has been quite unpredictable over the years.
Historical May 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 | 62°F | 55°F | 17.2 mm | 17.2 mm | 0 mm | 21 mph | 9 mph |
| 2011 | 52°F | 45°F | 4 mm | 4 mm | 0 mm | 19 mph | 10 mph |
| 2012 | 73°F | 54°F | 0 mm | 0 mm | 0 mm | 21 mph | 10 mph |
| 2013 | 79°F | 58°F | 2.9 mm | 2.9 mm | 0 mm | 17 mph | 5 mph |
| 2014 | 56°F | 41°F | 1.4 mm | 1.4 mm | 0 mm | 20 mph | 7 mph |
| 2015 | 79°F | 66°F | 2 mm | 2 mm | 0 mm | 29 mph | 10 mph |
| 2016 | 52°F | 48°F | 8.9 mm | 8.9 mm | 0 mm | 18 mph | 8 mph |
| 2017 | 83°F | 65°F | 0 mm | 0 mm | 0 mm | 33 mph | 14 mph |
| 2018 | 76°F | 62°F | 7.1 mm | 7.1 mm | 0 mm | 23 mph | 9 mph |
| 2019 | 82°F | 60°F | 2.7 mm | 2.7 mm | 0 mm | 24 mph | 10 mph |
| 2020 | 77°F | 63°F | 1.2 mm | 1.2 mm | 0 mm | 22 mph | 9 mph |
| 2021 | 69°F | 56°F | 11.2 mm | 11.2 mm | 0 mm | 19 mph | 8 mph |
| 2022 | 80°F | 57°F | 0 mm | 0 mm | 0 mm | 26 mph | 11 mph |
| 2023 | 72°F | 53°F | 0 mm | 0 mm | 0 mm | 19 mph | 8 mph |
| 2024 | 70°F | 59°F | 10.5 mm | 10.5 mm | 0 mm | 16 mph | 5 mph |
