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Precipitation patterns have also fluctuated, with Nov. 12, 2017 recording the highest precipitation in the past 15 years at 3.6 mm, consisting of 2.3 mm of rainfall and 9.1 mm of snowfall. For reference, 7 mm of snowfall is generally equivalent to 1 mm of rain or total precipitation. 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 Nov. 12 reaching 52 mph (2015) and the highest sustained wind speed recorded at 27 mph (2015).
These historical trends suggest that the weather on Nov. 12 in Lemont has been quite unpredictable over the years.
Historical Nov. 12 Weather in Lemont (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 | 59°F | 50°F | 0.2 mm | 0.2 mm | 0 mm | 19 mph | 10 mph |
| 2011 | 58°F | 38°F | 0 mm | 0 mm | 0 mm | 36 mph | 19 mph |
| 2012 | 40°F | 28°F | 2.7 mm | 2.7 mm | 2.1 mm | 36 mph | 18 mph |
| 2013 | 32°F | 23°F | 0 mm | 0 mm | 0 mm | 24 mph | 12 mph |
| 2014 | 32°F | 27°F | 0 mm | 0 mm | 0 mm | 26 mph | 13 mph |
| 2015 | 57°F | 44°F | 0.9 mm | 0.9 mm | 0 mm | 52 mph | 27 mph |
| 2016 | 51°F | 34°F | 0 mm | 0 mm | 0 mm | 22 mph | 9 mph |
| 2017 | 40°F | 34°F | 3.6 mm | 2.3 mm | 9.1 mm | 13 mph | 6 mph |
| 2018 | 35°F | 25°F | 0.7 mm | 0 mm | 4.9 mm | 19 mph | 9 mph |
| 2019 | 15°F | 5°F | 0 mm | 0 mm | 0 mm | 24 mph | 12 mph |
| 2020 | 51°F | 32°F | 0.6 mm | 0.6 mm | 0 mm | 18 mph | 8 mph |
| 2021 | 43°F | 34°F | 1.8 mm | 1 mm | 5.6 mm | 36 mph | 18 mph |
| 2022 | 36°F | 30°F | 0.2 mm | 0 mm | 1.4 mm | 23 mph | 11 mph |
| 2023 | 53°F | 40°F | 0 mm | 0 mm | 0 mm | 23 mph | 11 mph |
| 2024 | 48°F | 39°F | 0 mm | 0 mm | 0 mm | 20 mph | 9 mph |
