MANASSAS, VIRGINIA

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Elevation: 212 feet Latitude: 38 47N Longitude: 077 30W

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DAILY WEATHER AVERAGE - JULY 21

[ °C ] °F

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	74.7 ^°F	87.2 ^°F	66.2 ^°F	98.6 ^°F (2011)	51.8 ^°F (2001)
Dewpoint	65.9 ^°F	70.3 ^°F	62 ^°F	78.8 ^°F (2011)	44.6 ^°F (2007)
Humidity	77 ^%	94.3 ^%	49.4 ^%		26 ^% (2007)
Barometer	29.99 ⁱⁿ	30.04 ⁱⁿ	29.93 ⁱⁿ	30.20 ⁱⁿ (2014)	29.65 ⁱⁿ (2015)
Wind Speed	3.4 ^mph	12.1 ^mph		16.1 ^mph (2003)
Wind Gust		19.5 ^mph		25.3 ^mph (2008)
Precipitation	0.80 ⁱⁿ			1.90 ⁱⁿ (1997)

Weather Element	Average
Visibility	7.7 ^mi
Wind Direction	ESE (100 °)

Weather Element	Total
Cooling Degree Days	11.7 (Base 18.3)
Growing Degree Days	26.7 (Base 10)

Total Years on Record: 21

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