Weather History for Frederick, MD

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Monday, December 17, 2012

  Actual Average (KHGR) Record (KHGR)
Temperature  
Mean Temperature 46 °F 33 °F  
Max Temperature 50 °F 41 °F 61 °F (2006)
Min Temperature 42 °F 26 °F 14 °F (2010)
Degree Days  
Heating Degree Days 19 32  
Month to date heating degree days 496  
Since 1 July heating degree days 1501  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 969  
Moisture  
Dew Point 46 °F    
Average Humidity 100    
Maximum Humidity 100    
Minimum Humidity 94    
Precipitation  
Precipitation 0.10 in 0.08 in 0.38 in (2001)
Month to date precipitation 1.70  
Year to date precipitation 38.10  
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 1 mph (ENE)    
Max Wind Speed 6 mph    
Max Gust Speed -    
Visibility 3 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 17, 2012 Rise Set
Actual Time 7:24 AM EST 4:47 PM EST
Civil Twilight 6:53 AM EST 5:18 PM EST
Nautical Twilight 6:20 AM EST 5:51 PM EST
Astronomical Twilight 5:47 AM EST 6:24 PM EST
Moon 10:32 AM EST (12/17) 10:05 PM EST (12/17)
Length of Visible Light 10h 24m
Length of Day
9h 23m
Waxing Crescent, 24% of the Moon is Illuminated
Dec 17
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:05 AM 42.8 °F - 42.8 °F 100% 29.89 in 4.0 mi Calm Calm - N/A   Overcast
1:10 AM 42.8 °F - 42.8 °F 100% 29.84 in 2.0 mi Calm Calm - N/A   Overcast
1:30 AM 42.8 °F - 42.8 °F 100% 29.84 in 2.5 mi Calm Calm - N/A   Overcast
1:50 AM 42.8 °F - 42.8 °F 100% 29.84 in 2.5 mi Calm Calm - N/A   Overcast
2:15 AM 42.8 °F - 42.8 °F 100% 29.87 in 2.5 mi Calm Calm - N/A   Overcast
2:35 AM 42.8 °F - 42.8 °F 100% 29.86 in 3.0 mi Calm Calm - N/A   Overcast
2:55 AM 42.8 °F 41.1 °F 42.8 °F 100% 29.85 in 3.0 mi SE 3.5 mph - N/A   Overcast
3:15 AM 42.8 °F - 42.8 °F 100% 29.85 in 3.0 mi Calm Calm - N/A   Overcast
3:40 AM 42.8 °F 41.1 °F 42.8 °F 100% 29.85 in 3.0 mi NW 3.5 mph - N/A   Overcast
4:00 AM 42.8 °F - 42.8 °F 100% 29.85 in 3.0 mi Calm Calm - N/A   Overcast
4:20 AM 42.8 °F - 42.8 °F 100% 29.85 in 2.5 mi Calm Calm - N/A   Overcast
4:40 AM 42.8 °F - 42.8 °F 100% 29.85 in 2.5 mi Calm Calm - N/A   Overcast
5:05 AM 42.8 °F - 42.8 °F 100% 29.83 in 2.5 mi Calm Calm - N/A   Overcast
5:25 AM 42.8 °F 41.1 °F 42.8 °F 100% 29.84 in 2.5 mi North 3.5 mph - N/A   Overcast
5:45 AM 42.8 °F - 42.8 °F 100% 29.85 in 3.0 mi Calm Calm - N/A   Overcast
5:50 AM 42.8 °F - 42.8 °F 100% 29.85 in 3.0 mi Calm Calm - N/A   Overcast
6:50 AM 44.6 °F - 44.6 °F 100% 29.85 in 4.0 mi Calm Calm - N/A   Overcast
7:52 AM 44.6 °F - 44.6 °F 100% 29.85 in 2.5 mi Calm Calm - N/A   Overcast
8:47 AM 44.6 °F 41.4 °F 44.6 °F 100% 29.86 in 2.5 mi NE 5.8 mph - N/A   Overcast
9:50 AM 46.4 °F - 46.4 °F 100% 29.88 in 2.0 mi Calm Calm - N/A   Overcast
10:55 AM 48.2 °F - 48.2 °F 100% 29.87 in 1.0 mi NE 3.5 mph - N/A Fog Fog
11:59 AM 48.2 °F - 48.2 °F 100% 29.84 in 1.0 mi Calm Calm - N/A Fog Fog
1:50 PM 48.2 °F - 48.2 °F 100% 29.78 in 0.8 mi Calm Calm - N/A Fog Fog
2:55 PM 50.0 °F - 48.2 °F 94% 29.77 in 1.0 mi Calm Calm - N/A   Overcast
3:50 PM 50.0 °F - 50.0 °F 100% 29.74 in 2.0 mi Calm Calm - N/A   Overcast
4:45 PM 50.0 °F - 50.0 °F 100% 29.72 in 2.0 mi Calm Calm - N/A   Overcast
7:50 PM 48.2 °F - 48.2 °F 100% 29.67 in 2.0 mi Calm Calm - N/A   Overcast
7:55 PM 48.2 °F - 48.2 °F 100% 29.67 in 1.8 mi East 3.5 mph - N/A Rain Light Rain
8:15 PM 48.2 °F - 48.2 °F 100% 29.66 in 2.5 mi ENE 4.6 mph - N/A   Overcast
8:40 PM 48.2 °F - 48.2 °F 100% 29.63 in 4.0 mi East 3.5 mph - 0.01 in Rain Heavy Rain
9:00 PM 48.2 °F - 48.2 °F 100% 29.62 in 5.0 mi ESE 4.6 mph - N/A Rain Rain
9:20 PM 48.2 °F - 48.2 °F 100% 29.62 in 5.0 mi Calm Calm - 0.02 in Rain Rain
9:40 PM 48.2 °F - 48.2 °F 100% 29.60 in 3.0 mi Calm Calm - 0.03 in   Drizzle
10:05 PM 48.2 °F - 48.2 °F 100% 29.60 in 3.0 mi Calm Calm - N/A   Overcast
10:25 PM 48.2 °F - 48.2 °F 100% 29.59 in 2.0 mi Calm Calm - 0.01 in Rain Light Rain
10:45 PM 48.2 °F - 48.2 °F 100% 29.59 in 2.5 mi Calm Calm - 0.03 in Rain Rain
11:05 PM 48.2 °F - 48.2 °F 100% 29.59 in 1.8 mi Calm Calm - N/A Rain Light Rain
11:50 PM 46.4 °F - 46.4 °F 100% 29.57 in 4.0 mi Calm Calm - 0.03 in Rain Light Rain