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Precipitation patterns have also fluctuated, with April 15, 2013 recording the highest precipitation in the past 15 years at 17 mm, all of which came from rainfall. 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 April 15 reaching 59 mph (2012) and the highest sustained wind speed recorded at 23 mph (2013).
These historical trends suggest that the weather on April 15 in Romeoville has been quite unpredictable over the years.
Historical April 15 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 | 79°F | 59°F | 0 mm | 0 mm | 0 mm | 30 mph | 15 mph |
| 2011 | 54°F | 41°F | 16.1 mm | 16.1 mm | 0 mm | 44 mph | 20 mph |
| 2012 | 76°F | 61°F | 14.8 mm | 14.8 mm | 0 mm | 59 mph | 21 mph |
| 2013 | 64°F | 48°F | 17 mm | 17 mm | 0 mm | 52 mph | 23 mph |
| 2014 | 38°F | 25°F | 0 mm | 0 mm | 0 mm | 23 mph | 11 mph |
| 2015 | 65°F | 42°F | 0 mm | 0 mm | 0 mm | 27 mph | 13 mph |
| 2016 | 68°F | 41°F | 0 mm | 0 mm | 0 mm | 19 mph | 9 mph |
| 2017 | 78°F | 60°F | 2 mm | 2 mm | 0 mm | 42 mph | 20 mph |
| 2018 | 37°F | 29°F | 15.3 mm | 14.3 mm | 7 mm | 33 mph | 16 mph |
| 2019 | 50°F | 27°F | 0 mm | 0 mm | 0 mm | 20 mph | 11 mph |
| 2020 | 39°F | 25°F | 2.4 mm | 0 mm | 16.8 mm | 27 mph | 13 mph |
| 2021 | 55°F | 34°F | 0 mm | 0 mm | 0 mm | 28 mph | 13 mph |
| 2022 | 54°F | 36°F | 0.8 mm | 0.4 mm | 2.8 mm | 25 mph | 12 mph |
| 2023 | 78°F | 58°F | 12.6 mm | 12.6 mm | 0 mm | 28 mph | 13 mph |
| 2024 | 72°F | 45°F | 0 mm | 0 mm | 0 mm | 19 mph | 11 mph |
