Annapolis Naval Academy, MD

1:44 AM EDT on August 19, 2017 (GMT -0400)
Annapolis Naval Academy

Weather History for KNAK - September, 2013

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Sunday, September 15, 2013

  Actual Average (KBWI) Record (KBWI)
Temperature  
Mean Temperature 64 °F -  
Max Temperature 72 °F 79 °F 97 °F (1927)
Min Temperature 55 °F 58 °F 40 °F (1873)
Degree Days  
Heating Degree Days 2    
Growing Degree Days 14 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 73    
Maximum Humidity 100    
Minimum Humidity 49    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 4 mph (South)    
Max Wind Speed 17 mph    
Max Gust Speed 16 mph    
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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Daily Weather History Graph

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Date:

Astronomy

Sep. 15, 2013 Rise Set
Actual Time 6:47 AM EDT 7:13 PM EDT
Civil Twilight 6:20 AM EDT 7:40 PM EDT
Nautical Twilight 5:49 AM EDT 8:12 PM EDT
Astronomical Twilight 5:16 AM EDT 8:44 PM EDT
Moon 4:38 PM EDT (9/15) 2:24 AM EDT (9/15)
Length of Visible Light 13h 19m
Length of Day
12h 26m
Waxing Gibbous, 82% of the Moon is Illuminated
Sep 15
Waxing Gibbous
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 57.9 °F 53.1 °F 84% 30.18 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 57.0 °F 54.0 °F 89% 30.19 in 10.0 mi West 3.5 mph - N/A   Clear
2:54 AM 57.0 °F 55.0 °F 93% 30.18 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 59.0 °F 54.0 °F 83% 30.19 in 10.0 mi Calm Calm - N/A   Clear
4:54 AM 59.0 °F 54.0 °F 83% 30.19 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 55.0 °F 54.0 °F 96% 30.20 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 55.0 °F 55.0 °F 100% 30.21 in 10.0 mi WNW 3.5 mph - N/A   Clear
7:54 AM 57.9 °F 57.0 °F 97% 30.22 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 61.0 °F 55.0 °F 81% 30.24 in 10.0 mi Variable 3.5 mph - N/A   Clear
9:54 AM 64.0 °F 54.0 °F 70% 30.25 in 10.0 mi NW 4.6 mph - N/A   Clear
10:54 AM 66.9 °F 48.9 °F 52% 30.24 in 10.0 mi SW 6.9 mph - N/A   Clear
11:54 AM 69.1 °F 48.9 °F 49% 30.23 in 10.0 mi South 8.1 mph - N/A   Clear
12:54 PM 70.0 °F 50.0 °F 49% 30.21 in 10.0 mi Calm Calm - N/A   Clear
1:54 PM 71.1 °F 55.9 °F 59% 30.19 in 10.0 mi SE 12.7 mph 16.1 mph N/A   Clear
2:54 PM 70.0 °F 55.0 °F 59% 30.17 in 10.0 mi SE 15.0 mph - N/A   Clear
3:54 PM 70.0 °F 55.9 °F 61% 30.14 in 10.0 mi SE 17.3 mph - N/A   Clear
4:54 PM 72.0 °F 55.0 °F 55% 30.12 in 10.0 mi South 12.7 mph - N/A   Clear
5:54 PM 71.1 °F 55.9 °F 59% 30.12 in 10.0 mi SSE 11.5 mph - N/A   Clear
6:54 PM 70.0 °F 57.9 °F 65% 30.11 in 10.0 mi South 11.5 mph - N/A   Clear
7:54 PM 68.0 °F 59.0 °F 73% 30.12 in 10.0 mi South 8.1 mph - N/A   Clear
8:54 PM 69.1 °F 59.0 °F 70% 30.11 in 10.0 mi South 6.9 mph - N/A   Clear
9:54 PM 68.0 °F 57.9 °F 70% 30.11 in 10.0 mi South 3.5 mph - N/A   Clear
10:54 PM 66.0 °F 57.9 °F 75% 30.11 in 10.0 mi SSW 4.6 mph - N/A   Clear
11:54 PM 66.9 °F 57.0 °F 70% 30.11 in 10.0 mi South 6.9 mph - N/A   Overcast