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Precipitation patterns have also fluctuated, with Nov. 25, 2018 recording the highest precipitation in the past 15 years at 25.4 mm, consisting of 8.1 mm of rainfall and 121.1 mm of snowfall. For reference, 7 mm of snowfall is generally equivalent to 1 mm of rain or total precipitation. 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 Nov. 25 reaching 45 mph (2018) and the highest sustained wind speed recorded at 23 mph (2018).
These historical trends suggest that the weather on Nov. 25 in Romeoville has been quite unpredictable over the years.
Historical Nov. 25 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 | 39°F | 24°F | 0.6 mm | 0.6 mm | 0 mm | 29 mph | 14 mph |
| 2011 | 57°F | 43°F | 0 mm | 0 mm | 0 mm | 30 mph | 15 mph |
| 2012 | 43°F | 28°F | 0 mm | 0 mm | 0 mm | 20 mph | 11 mph |
| 2013 | 30°F | 21°F | 1.1 mm | 0 mm | 9.8 mm | 28 mph | 15 mph |
| 2014 | 28°F | 20°F | 0 mm | 0 mm | 0 mm | 26 mph | 14 mph |
| 2015 | 50°F | 36°F | 0 mm | 0 mm | 0 mm | 26 mph | 14 mph |
| 2016 | 42°F | 36°F | 0 mm | 0 mm | 0 mm | 20 mph | 11 mph |
| 2017 | 52°F | 34°F | 0 mm | 0 mm | 0 mm | 30 mph | 15 mph |
| 2018 | 38°F | 34°F | 25.4 mm | 8.1 mm | 121.1 mm | 45 mph | 23 mph |
| 2019 | 53°F | 34°F | 0 mm | 0 mm | 0 mm | 19 mph | 9 mph |
| 2020 | 48°F | 43°F | 10.5 mm | 10.5 mm | 0 mm | 19 mph | 9 mph |
| 2021 | 48°F | 22°F | 1.9 mm | 1.9 mm | 0 mm | 29 mph | 15 mph |
| 2022 | 49°F | 31°F | 0 mm | 0 mm | 0 mm | 20 mph | 11 mph |
| 2023 | 35°F | 28°F | 0 mm | 0 mm | 0 mm | 12 mph | 6 mph |
| 2024 | 51°F | 36°F | 0.5 mm | 0.5 mm | 0 mm | 30 mph | 13 mph |
