Weather History for Frederick, MD

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Tuesday, December 18, 2012

  Actual Average (KHGR) Record (KHGR)
Temperature  
Mean Temperature 47 °F 33 °F  
Max Temperature 57 °F 40 °F 64 °F (2006)
Min Temperature 37 °F 26 °F 19 °F (2000)
Degree Days  
Heating Degree Days 18 32  
Month to date heating degree days 528  
Since 1 July heating degree days 1533  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 969  
Moisture  
Dew Point 41 °F    
Average Humidity 85    
Maximum Humidity 100    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in 0.09 in 0.09 in (2001)
Month to date precipitation 1.79  
Year to date precipitation 38.19  
Sea Level Pressure  
Sea Level Pressure 29.67 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 23 mph    
Max Gust Speed 29 mph    
Visibility 7 miles    
Events Fog , Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:24 AM EST 4:48 PM EST
Civil Twilight 6:54 AM EST 5:18 PM EST
Nautical Twilight 6:20 AM EST 5:52 PM EST
Astronomical Twilight 5:47 AM EST 6:24 PM EST
Moon 11:05 AM EST (12/18) 11:10 PM EST (12/18)
Length of Visible Light 10h 24m
Length of Day
9h 23m
Waxing Crescent, 34% of the Moon is Illuminated
Dec 18
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
12:10 AM 46.4 °F - 46.4 °F 100% 29.56 in 5.0 mi Calm Calm - N/A   Overcast
12:30 AM 46.4 °F - 46.4 °F 100% 29.55 in 5.0 mi Calm Calm - N/A Rain Light Rain
12:55 AM 46.4 °F - 46.4 °F 100% 29.55 in 5.0 mi Calm Calm - N/A   Overcast
1:15 AM 46.4 °F - 46.4 °F 100% 29.56 in 7.0 mi Calm Calm - N/A   Overcast
1:35 AM 46.4 °F - 46.4 °F 100% 29.56 in 5.0 mi Calm Calm - N/A   Overcast
1:55 AM 46.4 °F - 46.4 °F 100% 29.56 in 5.0 mi Calm Calm - N/A   Overcast
2:20 AM 48.2 °F - 48.2 °F 100% 29.56 in 7.0 mi SSW 5.8 mph - N/A   Overcast
2:40 AM 50.0 °F - 50.0 °F 100% 29.56 in 5.0 mi SSW 4.6 mph - N/A   Overcast
3:00 AM 50.0 °F - 50.0 °F 100% 29.57 in 5.0 mi SW 8.1 mph - N/A   Overcast
3:20 AM 48.2 °F - 48.2 °F 100% 29.56 in 5.0 mi SW 4.6 mph - N/A   Overcast
3:45 AM 48.2 °F - 48.2 °F 100% 29.56 in 5.0 mi SW 5.8 mph - N/A   Overcast
4:05 AM 48.2 °F - 48.2 °F 100% 29.56 in 3.0 mi SW 8.1 mph - N/A   Overcast
4:25 AM 46.4 °F 41.9 °F 46.4 °F 100% 29.57 in 3.0 mi WSW 9.2 mph - N/A   Overcast
4:45 AM 46.4 °F 41.5 °F 46.4 °F 100% 29.56 in 7.0 mi WSW 10.4 mph - N/A   Scattered Clouds
5:10 AM 46.4 °F 42.4 °F 46.4 °F 100% 29.56 in 5.0 mi WSW 8.1 mph - N/A   Clear
5:30 AM 44.6 °F 40.7 °F 44.6 °F 100% 29.57 in 5.0 mi WSW 6.9 mph - N/A   Clear
5:50 AM 44.6 °F 42.2 °F 44.6 °F 100% 29.57 in 3.0 mi South 4.6 mph - N/A   Clear
6:45 AM 46.4 °F 43.5 °F 46.4 °F 100% 29.59 in 0.5 mi SSW 5.8 mph - N/A Fog Fog
7:30 AM 44.6 °F 40.7 °F 44.6 °F 100% 29.59 in 2.0 mi SSW 6.9 mph - N/A Fog Patches of Fog
7:45 AM 44.6 °F 41.4 °F 44.6 °F 100% 29.60 in 3.0 mi South 5.8 mph - N/A Fog Patches of Fog
8:47 AM 46.4 °F 43.5 °F 46.4 °F 100% 29.61 in 7.0 mi South 5.8 mph - N/A   Scattered Clouds
9:50 AM 51.8 °F - 50.0 °F 94% 29.61 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
10:50 AM 57.2 °F - 46.4 °F 67% 29.62 in 10.0 mi WSW 11.5 mph 20.7 mph N/A   Mostly Cloudy
11:52 AM 57.2 °F - 42.8 °F 59% 29.61 in 10.0 mi West 19.6 mph 28.8 mph N/A   Mostly Cloudy
12:45 PM 53.6 °F - 42.8 °F 67% 29.62 in 10.0 mi NW 19.6 mph 25.3 mph N/A   Overcast
1:46 PM 51.8 °F - 39.2 °F 62% 29.65 in 10.0 mi West 12.7 mph 18.4 mph N/A   Mostly Cloudy
2:55 PM 48.2 °F - 37.4 °F 66% 29.69 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Mostly Cloudy
3:50 PM 48.2 °F - 35.6 °F 62% 29.72 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Mostly Cloudy
4:53 PM 46.4 °F 39.8 °F 35.6 °F 66% 29.73 in 10.0 mi WNW 16.1 mph 20.7 mph N/A   Overcast
5:52 PM 44.6 °F 38.4 °F 33.8 °F 66% 29.75 in 10.0 mi WNW 12.7 mph 18.4 mph N/A   Mostly Cloudy
6:50 PM 42.8 °F 33.5 °F 32.0 °F 66% 29.77 in 10.0 mi West 23.0 mph 28.8 mph N/A   Clear
7:52 PM 42.8 °F 34.5 °F 32.0 °F 66% 29.80 in 10.0 mi WNW 18.4 mph 25.3 mph N/A   Clear
8:00 PM 41.0 °F 33.5 °F 32.0 °F 70% 29.80 in 10.0 mi WNW 13.8 mph 25.3 mph N/A   Clear
8:20 PM 41.0 °F 33.9 °F 32.0 °F 70% 29.81 in 10.0 mi WNW 12.7 mph 23.0 mph N/A   Clear
8:45 PM 41.0 °F 35.2 °F 32.0 °F 70% 29.82 in 10.0 mi WNW 9.2 mph 18.4 mph N/A   Clear
9:05 PM 41.0 °F 36.4 °F 32.0 °F 70% 29.82 in 10.0 mi West 6.9 mph - N/A   Clear
9:25 PM 39.2 °F 34.2 °F 32.0 °F 75% 29.82 in 10.0 mi West 6.9 mph - N/A   Clear
9:45 PM 39.2 °F 33.6 °F 32.0 °F 75% 29.81 in 10.0 mi West 8.1 mph - N/A   Clear
10:10 PM 39.2 °F 32.0 °F 32.0 °F 75% 29.81 in 10.0 mi West 11.5 mph - N/A   Clear
10:30 PM 37.4 °F 30.3 °F 32.0 °F 81% 29.82 in 10.0 mi West 10.4 mph - N/A   Clear
10:50 PM 39.2 °F 35.0 °F 32.0 °F 75% 29.82 in 10.0 mi WNW 5.8 mph - N/A   Clear
11:10 PM 39.2 °F 35.0 °F 32.0 °F 75% 29.82 in 10.0 mi West 5.8 mph - N/A   Clear
11:35 PM 37.4 °F 33.8 °F 32.0 °F 81% 29.83 in 10.0 mi West 4.6 mph - N/A   Clear
11:55 PM 37.4 °F 34.9 °F 32.0 °F 81% 29.84 in 10.0 mi South 3.5 mph - N/A   Clear