Annapolis Naval Academy, MD

5:44 AM EST on December 15, 2017 (GMT -0500)
Annapolis Naval Academy

Weather History for KNAK - December, 2012

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Tuesday, December 18, 2012

  Actual Average (KBWI) Record (KBWI)
Temperature  
Mean Temperature 53 °F -  
Max Temperature 61 °F 42 °F 72 °F (2006)
Min Temperature 44 °F 25 °F 7 °F (1919)
Degree Days  
Heating Degree Days 12    
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 43 °F    
Average Humidity 72    
Maximum Humidity 97    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.63 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 20 mph    
Max Gust Speed 29 mph    
Visibility 8 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:19 AM EST 4:45 PM EST
Civil Twilight 6:49 AM EST 5:15 PM EST
Nautical Twilight 6:16 AM EST 5:49 PM EST
Astronomical Twilight 5:43 AM EST 6:21 PM EST
Moon 11:01 AM EST (12/18) 11:06 PM EST (12/18)
Length of Visible Light 10h 26m
Length of Day
9h 26m
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
12:54 AM 52.0 °F - 51.1 °F 97% 29.54 in 7.0 mi South 6.9 mph - 0.00 in   Overcast
1:54 AM 51.1 °F - 50.0 °F 96% 29.54 in 4.0 mi SSE 3.5 mph - N/A   Overcast
2:45 AM 51.1 °F - 50.0 °F 96% 29.55 in 2.5 mi ESE 3.5 mph - N/A   Overcast
2:54 AM 51.1 °F - 50.0 °F 96% 29.55 in 2.0 mi East 4.6 mph - N/A   Overcast
3:05 AM 51.1 °F - 50.0 °F 96% 29.54 in 3.0 mi ESE 4.6 mph - N/A   Overcast
3:54 AM 55.9 °F - 51.1 °F 84% 29.54 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
4:46 AM 55.0 °F - 51.1 °F 86% 29.54 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
4:54 AM 54.0 °F - 51.1 °F 90% 29.55 in 10.0 mi WSW 5.8 mph - N/A   Partly Cloudy
5:54 AM 52.0 °F - 48.9 °F 89% 29.56 in 8.0 mi Calm Calm - N/A   Clear
6:17 AM 51.1 °F - 48.0 °F 89% 29.57 in 6.0 mi Calm Calm - N/A   Mostly Cloudy
6:54 AM 51.1 °F - 48.9 °F 92% 29.58 in 6.0 mi Calm Calm - N/A   Overcast
7:54 AM 52.0 °F - 48.9 °F 89% 29.60 in 6.0 mi West 3.5 mph - N/A   Scattered Clouds
8:54 AM 52.0 °F - 48.9 °F 89% 29.60 in 6.0 mi West 3.5 mph - N/A   Overcast
9:54 AM 53.1 °F - 48.0 °F 83% 29.60 in 6.0 mi Calm Calm - N/A   Haze
10:54 AM 57.9 °F - 46.9 °F 67% 29.60 in 10.0 mi West 6.9 mph - N/A   Clear
11:54 AM 60.1 °F - 44.1 °F 55% 29.58 in 10.0 mi West 10.4 mph 19.6 mph N/A   Clear
12:54 PM 61.0 °F - 37.9 °F 42% 29.57 in 10.0 mi West 16.1 mph 26.5 mph N/A   Scattered Clouds
1:54 PM 59.0 °F - 36.0 °F 42% 29.58 in 10.0 mi West 17.3 mph 28.8 mph N/A   Clear
2:54 PM 57.0 °F - 39.0 °F 51% 29.61 in 10.0 mi WNW 19.6 mph 28.8 mph N/A   Partly Cloudy
3:54 PM 54.0 °F - 35.1 °F 49% 29.65 in 10.0 mi WNW 16.1 mph 25.3 mph N/A   Partly Cloudy
4:54 PM 53.1 °F - 34.0 °F 48% 29.68 in 10.0 mi West 15.0 mph 26.5 mph N/A   Mostly Cloudy
5:54 PM 51.1 °F - 33.1 °F 50% 29.70 in 10.0 mi WNW 13.8 mph 26.5 mph N/A   Clear
6:54 PM 50.0 °F - 33.1 °F 52% 29.73 in 10.0 mi WNW 12.7 mph 18.4 mph N/A   Clear
7:54 PM 48.9 °F - 32.0 °F 52% 29.76 in 10.0 mi WNW 10.4 mph - N/A   Clear
8:54 PM 46.9 °F - 32.0 °F 56% 29.79 in 10.0 mi WNW 8.1 mph - N/A   Clear
9:54 PM 46.9 °F - 30.9 °F 54% 29.80 in 10.0 mi WNW 8.1 mph - N/A   Clear
10:54 PM 45.0 °F 42.6 °F 30.9 °F 58% 29.81 in 10.0 mi West 4.6 mph - N/A   Clear
11:54 PM 44.1 °F 40.8 °F 30.0 °F 58% 29.81 in 10.0 mi West 5.8 mph - N/A   Clear