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Precipitation patterns have also fluctuated, with March 17, 2021 recording the highest precipitation in the past 15 years at 10.1 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 17 reaching 40 mph (2016) and the highest sustained wind speed recorded at 20 mph (2021).
These historical trends suggest that the weather on March 17 in Romeoville has been quite unpredictable over the years.
Historical March 17 Weather in Romeoville (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 | 28°F | 0 mm | 0 mm | 0 mm | 10 mph | 6 mph |
| 2011 | 69°F | 46°F | 0.4 mm | 0.4 mm | 0 mm | 38 mph | 20 mph |
| 2012 | 76°F | 57°F | 0 mm | 0 mm | 0 mm | 25 mph | 11 mph |
| 2013 | 37°F | 23°F | 0 mm | 0 mm | 0 mm | 28 mph | 12 mph |
| 2014 | 41°F | 17°F | 0 mm | 0 mm | 0 mm | 17 mph | 9 mph |
| 2015 | 46°F | 31°F | 0 mm | 0 mm | 0 mm | 35 mph | 17 mph |
| 2016 | 55°F | 41°F | 0 mm | 0 mm | 0 mm | 40 mph | 17 mph |
| 2017 | 50°F | 33°F | 5.1 mm | 5.1 mm | 0 mm | 31 mph | 16 mph |
| 2018 | 44°F | 28°F | 3.8 mm | 0.9 mm | 20.3 mm | 23 mph | 10 mph |
| 2019 | 44°F | 25°F | 1.2 mm | 0.1 mm | 7.7 mm | 26 mph | 12 mph |
| 2020 | 47°F | 33°F | 0 mm | 0 mm | 0 mm | 21 mph | 10 mph |
| 2021 | 47°F | 31°F | 10.1 mm | 10.1 mm | 0 mm | 38 mph | 20 mph |
| 2022 | 67°F | 44°F | 0 mm | 0 mm | 0 mm | 20 mph | 11 mph |
| 2023 | 46°F | 21°F | 1.4 mm | 1.4 mm | 0 mm | 36 mph | 18 mph |
| 2024 | 40°F | 29°F | 0 mm | 0 mm | 0 mm | 31 mph | 15 mph |
