Latitude N 38° 49' 06"    Longitude W 77° 25' 12"    Elevation 330 ft

This page shows a summary of the data for the 24 hrs up to midnight local time.

Yesterday's data
Temperature and Humidity
High Temperature 41.4 °F at 14:43 
Low Temperature 26.2 °F at 04:44
Temperature Range 15.1 °F  
High Apparent Temperature 35.9 °F at 14:43 
Low Apparent Temperature 20.7 °F at 07:06
Low Wind Chill 24.5 °F at 09:25
High Heat Index 41.4 °F at 14:43
High Humidity 82 % at 09:15 
Low Humidity 44 % at 17:12
Heating Degree Days 32.6   
Cooling Degree Days 0.0   
Rainfall Yesterday 0.00 in  
Rainfall Rate Max 0.00 in/hr at 00:00
High Hourly Rainfall 0.00 in at 00:00
Highest Gust 9.2 mph at 23:54
Highest Speed (10 minute average) 4.2 mph (F2) at 23:59
Wind Run 27.1 miles  
Dominant Direction 78° ENE  
High Pressure (SL) 30.46 in at 08:44
Low Pressure (SL) 30.31 in at 21:24

Page updated 1/17/2018 9:45:00 AM
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Random Weather Facts

Weather Terms
Watch - A watch is used when the risk of a hazardous weather or hydrologic event has increased significantly, but its occurrence, location or timing is still uncertain. It is intended to provide enough lead time so those who need to set their plans in motion can do so. A watch means that hazardous weather is possible. People should have a plan of action in case a storm threatens and they should listen for later information and possible warnings especially when planning travel or outdoor activities.