Annapolis, MD

8:00 PM EST on December 09, 2016 (GMT -0500)
Annapolis Naval Academy

Weather History for KNAK - December, 2012

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Monday, December 31, 2012

  Actual Average (KBWI) Record (KBWI)
Temperature  
Mean Temperature 44 °F -  
Max Temperature 52 °F 42 °F 72 °F (1992)
Min Temperature 37 °F 27 °F -1 °F (1880)
Degree Days  
Heating Degree Days 20    
Moisture  
Dew Point 23 °F    
Average Humidity 45    
Maximum Humidity 68    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.19 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 10 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. 31, 2012 Rise Set
Actual Time 7:24 AM EST 4:53 PM EST
Civil Twilight 6:54 AM EST 5:23 PM EST
Nautical Twilight 6:21 AM EST 5:57 PM EST
Astronomical Twilight 5:49 AM EST 6:29 PM EST
Moon 8:20 PM EST (12/31) 9:06 AM EST (12/31)
Length of Visible Light 10h 28m
Length of Day
9h 29m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 46.0 °F 43.9 °F 19.0 °F 34% 30.33 in 10.0 mi WSW 4.6 mph - N/A   Clear
1:54 AM 46.9 °F - 19.9 °F 34% 30.33 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:54 AM 46.9 °F - 19.0 °F 33% 30.33 in 10.0 mi WNW 3.5 mph - N/A   Clear
3:54 AM 48.0 °F - 19.9 °F 33% 30.30 in 10.0 mi WNW 4.6 mph - N/A   Clear
4:54 AM 48.0 °F - 21.0 °F 34% 30.29 in 10.0 mi Variable 4.6 mph - N/A   Clear
5:54 AM 41.0 °F - 19.0 °F 41% 30.29 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 46.9 °F - 19.9 °F 34% 30.29 in 10.0 mi Variable 4.6 mph - N/A   Clear
7:54 AM 45.0 °F 42.6 °F 21.0 °F 39% 30.29 in 10.0 mi WSW 4.6 mph - N/A   Clear
8:54 AM 51.1 °F - 21.0 °F 31% 30.29 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:54 AM 48.0 °F - 21.0 °F 34% 30.28 in 10.0 mi Variable 3.5 mph - N/A   Clear
10:54 AM 52.0 °F - 21.9 °F 31% 30.26 in 10.0 mi SSW 6.9 mph - N/A   Clear
11:54 AM 39.0 °F 35.7 °F 23.0 °F 53% 30.22 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:54 PM 37.9 °F 32.1 °F 28.0 °F 68% 30.18 in 10.0 mi SE 8.1 mph - N/A   Clear
1:54 PM 41.0 °F 38.0 °F 27.0 °F 57% 30.13 in 10.0 mi South 4.6 mph - N/A   Clear
2:54 PM 39.9 °F 35.1 °F 27.0 °F 60% 30.14 in 10.0 mi South 6.9 mph - N/A   Clear
3:54 PM 39.9 °F 33.9 °F 28.0 °F 63% 30.12 in 10.0 mi SSE 9.2 mph - N/A   Overcast
4:54 PM 41.0 °F 38.0 °F 28.0 °F 60% 30.11 in 10.0 mi SSW 4.6 mph - N/A   Overcast
5:54 PM 41.0 °F 39.0 °F 23.0 °F 49% 30.09 in 10.0 mi Variable 3.5 mph - N/A   Overcast
6:54 PM 41.0 °F 37.1 °F 23.0 °F 49% 30.09 in 10.0 mi SW 5.8 mph - N/A   Overcast
7:54 PM 39.9 °F - 24.1 °F 53% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
8:54 PM 41.0 °F 39.0 °F 24.1 °F 51% 30.04 in 10.0 mi WSW 3.5 mph - N/A   Overcast
9:54 PM 41.0 °F 38.0 °F 24.1 °F 51% 30.03 in 10.0 mi WSW 4.6 mph - N/A   Overcast
10:54 PM 42.1 °F 37.7 °F 23.0 °F 47% 30.03 in 10.0 mi WSW 6.9 mph - N/A   Mostly Cloudy
11:54 PM 42.1 °F 39.2 °F 23.0 °F 47% 30.01 in 10.0 mi West 4.6 mph - N/A   Scattered Clouds