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Precipitation patterns have also fluctuated, with Nov. 21, 2015 recording the highest precipitation in the past 15 years at 16.2 mm, all of which came from 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 Nov. 21 reaching 48 mph (2019) and the highest sustained wind speed recorded at 21 mph (2019).
These historical trends suggest that the weather on Nov. 21 in Homer Glen has been quite unpredictable over the years.
Historical Nov. 21 Weather in Homer Glen (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 | 60°F | 39°F | 0.3 mm | 0.3 mm | 0 mm | 32 mph | 17 mph |
| 2011 | 47°F | 37°F | 0.5 mm | 0.5 mm | 0 mm | 18 mph | 9 mph |
| 2012 | 55°F | 37°F | 0 mm | 0 mm | 0 mm | 17 mph | 10 mph |
| 2013 | 49°F | 40°F | 5.2 mm | 5.2 mm | 0 mm | 13 mph | 7 mph |
| 2014 | 33°F | 14°F | 0 mm | 0 mm | 0 mm | 24 mph | 13 mph |
| 2015 | 34°F | 18°F | 16.2 mm | 0 mm | 113.4 mm | 32 mph | 16 mph |
| 2016 | 38°F | 23°F | 0 mm | 0 mm | 0 mm | 9 mph | 5 mph |
| 2017 | 45°F | 26°F | 0.9 mm | 0.9 mm | 0 mm | 35 mph | 18 mph |
| 2018 | 36°F | 26°F | 0 mm | 0 mm | 0 mm | 22 mph | 12 mph |
| 2019 | 56°F | 41°F | 8.4 mm | 8.4 mm | 0 mm | 48 mph | 21 mph |
| 2020 | 46°F | 38°F | 0 mm | 0 mm | 0 mm | 17 mph | 9 mph |
| 2021 | 52°F | 29°F | 0.9 mm | 0.9 mm | 0 mm | 33 mph | 18 mph |
| 2022 | 45°F | 26°F | 0 mm | 0 mm | 0 mm | 30 mph | 16 mph |
| 2023 | 43°F | 35°F | 11.4 mm | 11.4 mm | 0 mm | 23 mph | 12 mph |
| 2024 | 39°F | 29°F | 7.3 mm | 0.7 mm | 46.2 mm | 36 mph | 19 mph |
