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Precipitation patterns have also fluctuated, with July 17, 2019 recording the highest precipitation in the past 15 years at 15.7 mm, all of which came from rainfall. Interestingly, five 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 July 17 reaching 28 mph (2021) and the highest sustained wind speed recorded at 13 mph (2022).
These historical trends suggest that the weather on July 17 in Union has been quite unpredictable over the years.
Historical July 17 Weather in Union (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 | 86°F | 73°F | 13.8 mm | 13.8 mm | 0 mm | 24 mph | 10 mph |
| 2011 | 89°F | 72°F | 3.6 mm | 3.6 mm | 0 mm | 13 mph | 5 mph |
| 2012 | 93°F | 75°F | 0.2 mm | 0.2 mm | 0 mm | 19 mph | 11 mph |
| 2013 | 88°F | 73°F | 0.2 mm | 0.2 mm | 0 mm | 16 mph | 6 mph |
| 2014 | 74°F | 56°F | 0 mm | 0 mm | 0 mm | 10 mph | 4 mph |
| 2015 | 87°F | 68°F | 0 mm | 0 mm | 0 mm | 25 mph | 10 mph |
| 2016 | 87°F | 65°F | 0 mm | 0 mm | 0 mm | 21 mph | 9 mph |
| 2017 | 85°F | 66°F | 0.6 mm | 0.6 mm | 0 mm | 14 mph | 8 mph |
| 2018 | 89°F | 72°F | 0 mm | 0 mm | 0 mm | 23 mph | 10 mph |
| 2019 | 85°F | 71°F | 15.7 mm | 15.7 mm | 0 mm | 22 mph | 10 mph |
| 2020 | 90°F | 69°F | 0 mm | 0 mm | 0 mm | 13 mph | 5 mph |
| 2021 | 83°F | 69°F | 14 mm | 14 mm | 0 mm | 28 mph | 11 mph |
| 2022 | 78°F | 71°F | 15.2 mm | 15.2 mm | 0 mm | 26 mph | 13 mph |
| 2023 | 85°F | 68°F | 3.6 mm | 3.6 mm | 0 mm | 22 mph | 11 mph |
| 2024 | 84°F | 71°F | 11.3 mm | 11.3 mm | 0 mm | 21 mph | 8 mph |
