Annapolis, MD

8:42 PM EST on January 20, 2017 (GMT -0500)
Annapolis Naval Academy

Weather History for KNAK - September, 2013

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Week of September 8, 2013 through September 14, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 88 °F 80 °F 68 °F
Mean Temperature 80 °F 73 °F 62 °F
Min Temperature 73 °F 66 °F 55 °F
Degree Days  
Heating Degree Days (base 65) 4 1 0 4
Cooling Degree Days (base 65) 15 8 0 58
Growing Degree Days (base 50) 30 23 12 160
Dew Point  
Dew Point 76 °F 64 °F 48 °F
Precipitation  
Precipitation 0.70 in 0.10 in 0.00 in 0.70 in
Snowdepth - - - -
Wind  
Wind 17 mph 7 mph 0 mph
Gust Wind 32 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.22 in 30.01 in 29.70 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 14, 2013 Rise Set
Actual Time 6:46 AM EDT 7:15 PM EDT
Civil Twilight 6:19 AM EDT 7:42 PM EDT
Nautical Twilight 5:48 AM EDT 8:13 PM EDT
Astronomical Twilight 5:15 AM EDT 8:45 PM EDT
Moon 3:53 PM EDT (9/14) 1:18 AM EDT (9/14)
Length of Visible Light 13h 22m
Length of Day
12h 28m
Waxing Gibbous, 72% of the Moon is Illuminated
Sep 14
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
8 84 74 66 70 64 58 93 71 51 30.06 29.93 29.88 10 10 9 10 5 16 0.00 Rain
9 75 70 64 70 60 51 90 70 54 30.22 30.16 30.08 10 9 2 10 7 - 0.00  
10 84 77 70 76 72 69 97 88 69 30.19 30.15 30.10 10 8 5 15 7 - 0.00  
11 88 80 73 76 74 72 97 85 61 30.15 30.10 30.02 9 6 4 17 5 23 0.00  
12 84 77 70 75 70 65 100 87 68 30.00 29.86 29.75 10 6 1 16 6 32 0.70 Rain
13 75 70 64 70 60 52 100 72 43 29.92 29.78 29.70 10 9 6 16 6 20 0.00 Rain
14 68 62 55 56 51 48 80 66 49 30.17 30.06 29.93 10 10 6 14 10 - 0.00