Weather History for Annapolis Naval Academy, MD

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Week of December 16, 2012 through December 22, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 61 °F 53 °F 45 °F
Mean Temperature 53 °F 48 °F 41 °F
Min Temperature 50 °F 43 °F 36 °F
Degree Days  
Heating Degree Days (base 65) 24 17 12 119
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 3 1 0 5
Dew Point  
Dew Point 56 °F 37 °F 21 °F
Precipitation  
Precipitation 0.38 in 0.08 in 0.00 in 0.53 in
Snowdepth - - - -
Wind  
Wind 30 mph 8 mph 0 mph
Gust Wind 40 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.22 in 29.80 in 29.24 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 20, 2012 Rise Set
Actual Time 7:20 AM EST 4:46 PM EST
Civil Twilight 6:50 AM EST 5:16 PM EST
Nautical Twilight 6:17 AM EST 5:50 PM EST
Astronomical Twilight 5:44 AM EST 6:22 PM EST
Moon 12:01 PM EST (12/20) 12:08 AM EST (12/20)
Length of Visible Light 10h 25m
Length of Day
9h 25m
First Quarter, 55% of the Moon is Illuminated
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
16 51 50 48 49 47 42 96 89 80 30.16 29.95 29.83 10 5 1 12 6 - 0.07 Rain
17 53 52 50 52 49 48 97 94 92 29.86 29.77 29.57 5 1 0 12 3 - 0.07 Fog , Rain
18 61 53 44 51 43 30 97 72 42 29.81 29.63 29.54 10 8 2 20 7 29 0.00  
19 54 46 39 37 34 30 77 59 49 30.19 29.98 29.82 10 10 10 15 5 22 0.00  
20 48 44 41 41 35 33 82 69 59 30.22 30.11 29.85 10 10 8 20 5 - 0.01 Rain
21 59 50 41 56 31 22 96 58 43 29.54 29.37 29.24 10 8 2 30 18 39 0.38 Rain
22 45 41 36 24 22 21 55 47 39 30.03 29.82 29.55 10 10 10 23 14 40 0.00