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Precipitation patterns have also fluctuated, with May 15, 2020 recording the highest precipitation in the past 15 years at 13.2 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 May 15, 2011 reaching 35.6 mph and the highest sustained wind speed recorded on May 15, 2011 and May 15, 2013 at 17.9 mph.
These historical trends suggest that the weather on May 15 in Morris has been quite unpredictable over the years.
Historical May 15 Weather in Morris (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 | 66°F | 48°F | 0 mm | 0 mm | 0 mm | 20.4 mph | 9.6 mph |
| 2011 | 49°F | 44°F | 6.2 mm | 6.2 mm | 0 mm | 35.6 mph | 17.9 mph |
| 2012 | 81°F | 54°F | 0 mm | 0 mm | 0 mm | 25 mph | 12.7 mph |
| 2013 | 82°F | 61°F | 0.2 mm | 0.2 mm | 0 mm | 32.2 mph | 17.9 mph |
| 2014 | 55°F | 42°F | 10.1 mm | 10.1 mm | 0 mm | 25 mph | 14.6 mph |
| 2015 | 77°F | 60°F | 4 mm | 4 mm | 0 mm | 24.9 mph | 11.9 mph |
| 2016 | 56°F | 39°F | 0 mm | 0 mm | 0 mm | 27.3 mph | 14.5 mph |
| 2017 | 83°F | 51°F | 0 mm | 0 mm | 0 mm | 19.9 mph | 10.9 mph |
| 2018 | 72°F | 55°F | 2.3 mm | 2.3 mm | 0 mm | 20.6 mph | 10.9 mph |
| 2019 | 74°F | 53°F | 0 mm | 0 mm | 0 mm | 10.8 mph | 6.2 mph |
| 2020 | 76°F | 59°F | 13.2 mm | 13.2 mm | 0 mm | 28.2 mph | 11.9 mph |
| 2021 | 62°F | 50°F | 4 mm | 4 mm | 0 mm | 20.1 mph | 10.5 mph |
| 2022 | 77°F | 56°F | 1.1 mm | 1.1 mm | 0 mm | 20.6 mph | 11.1 mph |
| 2023 | 70°F | 52°F | 0 mm | 0 mm | 0 mm | 19.5 mph | 10.5 mph |
| 2024 | 71°F | 53°F | 0 mm | 0 mm | 0 mm | 21.7 mph | 10.9 mph |
