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Precipitation patterns have also fluctuated, with March 27, 2014 recording the highest precipitation in the past 15 years at 10.1 mm, consisting of 6.9 mm of rainfall and 22.4 mm of snowfall. For reference, 7 mm of snowfall is generally equivalent to 1 mm of rain or total precipitation. Interestingly, six 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 27 reaching 43 mph (2014) and the highest sustained wind speed recorded at 21 mph (2014).
These historical trends suggest that the weather on March 27 in Romeoville has been quite unpredictable over the years.
Historical March 27 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 | 53.0°F | 31.9°F | 1.1 mm | 1.1 mm | 0 mm | 22 mph | 10 mph |
| 2011 | 35.7°F | 24.2°F | 0 mm | 0 mm | 0 mm | 27 mph | 11 mph |
| 2012 | 66.5°F | 38.8°F | 0 mm | 0 mm | 0 mm | 37 mph | 19 mph |
| 2013 | 42.3°F | 29.0°F | 0 mm | 0 mm | 0 mm | 18 mph | 7 mph |
| 2014 | 51.5°F | 33.7°F | 10.1 mm | 6.9 mm | 22.4 mm | 43 mph | 21 mph |
| 2015 | 31.6°F | 22.2°F | 0.3 mm | 0 mm | 2.8 mm | 27 mph | 12 mph |
| 2016 | 61.1°F | 39.6°F | 6.6 mm | 6.6 mm | 0 mm | 24 mph | 12 mph |
| 2017 | 52.9°F | 41.4°F | 0.9 mm | 0.9 mm | 0 mm | 23 mph | 12 mph |
| 2018 | 50.4°F | 37.7°F | 8.8 mm | 8.8 mm | 0 mm | 23 mph | 12 mph |
| 2019 | 55.7°F | 27.8°F | 1.9 mm | 1.9 mm | 0 mm | 27 mph | 13 mph |
| 2020 | 52.1°F | 35.9°F | 4.9 mm | 4.9 mm | 0 mm | 24 mph | 11 mph |
| 2021 | 66.5°F | 39.8°F | 2.2 mm | 2.2 mm | 0 mm | 33 mph | 15 mph |
| 2022 | 35.0°F | 20.8°F | 0 mm | 0 mm | 0 mm | 22 mph | 10 mph |
| 2023 | 47.3°F | 28.1°F | 0 mm | 0 mm | 0 mm | 26 mph | 12 mph |
| 2024 | 43.1°F | 27.9°F | 0 mm | 0 mm | 0 mm | 31 mph | 15 mph |
