Annapolis Naval Academy, MD

1:55 PM EST on January 17, 2018 (GMT -0500)
Annapolis Naval Academy

Weather History for KNAK - September, 2013

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Thursday, September 12, 2013

  Actual Average (KBWI) Record (KBWI)
Temperature  
Mean Temperature 77 °F -  
Max Temperature 84 °F 81 °F 96 °F (1931)
Min Temperature 70 °F 59 °F 43 °F (1967)
Cooling Degree Days 12    
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 68    
Precipitation  
Precipitation 0.70 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 6 mph (SSE)    
Max Wind Speed 16 mph    
Max Gust Speed 32 mph    
Visibility 6 miles    
Events Rain    
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

Sep. 12, 2013 Rise Set
Actual Time 6:44 AM EDT 7:18 PM EDT
Civil Twilight 6:17 AM EDT 7:45 PM EDT
Nautical Twilight 5:46 AM EDT 8:17 PM EDT
Astronomical Twilight 5:13 AM EDT 8:49 PM EDT
Moon 2:06 PM EDT (9/12) No Moon Set
Length of Visible Light 13h 27m
Length of Day
12h 33m
Waxing Crescent, 50% of the Moon is Illuminated
Sep 12
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 77.0 °F - 72.0 °F 84% 30.00 in 8.0 mi South 4.6 mph - N/A   Mostly Cloudy
1:54 AM 77.0 °F - 70.0 °F 79% 29.98 in 9.0 mi Variable 3.5 mph - N/A   Clear
2:54 AM 75.9 °F - 70.0 °F 82% 29.97 in 9.0 mi South 4.6 mph - N/A   Clear
3:54 AM 75.0 °F - 70.0 °F 84% 29.96 in 9.0 mi South 4.6 mph - N/A   Partly Cloudy
4:54 AM 73.9 °F - 69.1 °F 85% 29.96 in 8.0 mi Calm Calm - N/A   Clear
5:54 AM 73.0 °F - 69.1 °F 87% 29.96 in 8.0 mi SSE 3.5 mph - N/A   Clear
6:54 AM 72.0 °F - 69.1 °F 91% 29.96 in 7.0 mi South 3.5 mph - N/A   Mostly Cloudy
7:54 AM 73.0 °F - 69.1 °F 87% 29.96 in 7.0 mi Variable 3.5 mph - N/A   Partly Cloudy
8:54 AM 75.0 °F - 69.1 °F 82% 29.94 in 7.0 mi SSW 5.8 mph - N/A   Overcast
9:54 AM 78.1 °F - 71.1 °F 79% 29.94 in 7.0 mi South 4.6 mph - N/A   Mostly Cloudy
10:54 AM 78.1 °F - 73.0 °F 84% 29.92 in 7.0 mi ESE 6.9 mph - N/A   Clear
11:54 AM 79.0 °F - 73.9 °F 84% 29.90 in 5.0 mi SE 12.7 mph - N/A   Haze
12:54 PM 80.1 °F 84.5 °F 73.9 °F 81% 29.87 in 5.0 mi SE 12.7 mph - N/A   Haze
1:54 PM 84.0 °F 91.9 °F 75.0 °F 74% 29.85 in 7.0 mi SSE 9.2 mph - N/A   Clear
2:46 PM 78.1 °F - 66.9 °F 68% 29.85 in 10.0 mi NNE 16.1 mph 23.0 mph 0.00 in Rain Light Rain
2:54 PM 75.0 °F - 66.9 °F 76% 29.85 in 10.0 mi NE 11.5 mph 23.0 mph 0.00 in   Overcast
3:37 PM 72.0 °F - 64.9 °F 78% 29.82 in 0.8 mi WNW 12.7 mph 32.2 mph 0.28 in Rain Heavy Rain
3:54 PM 72.0 °F - 69.1 °F 91% 29.78 in 1.5 mi SSE 10.4 mph - 0.40 in Rain Light Rain
3:58 PM 72.0 °F - 69.1 °F 91% 29.78 in 3.0 mi SSE 9.2 mph - 0.01 in Rain Light Rain
4:54 PM 75.0 °F - 70.0 °F 84% 29.76 in 9.0 mi SE 10.4 mph - 0.01 in   Clear
5:54 PM 72.0 °F - 71.1 °F 97% 29.81 in 1.8 mi West 13.8 mph 24.2 mph 0.11 in Rain Heavy Rain
6:06 PM 71.1 °F - 70.0 °F 96% 29.78 in 2.0 mi Variable 3.5 mph - 0.08 in Rain Rain
6:17 PM 72.0 °F - 70.0 °F 93% 29.77 in 5.0 mi Calm Calm - 0.09 in Rain Light Rain
6:54 PM 72.0 °F - 72.0 °F 100% 29.78 in 4.0 mi Calm Calm - 0.13 in Rain Light Rain
7:54 PM 71.1 °F - 70.0 °F 96% 29.78 in 7.0 mi Calm Calm - 0.05 in Rain Light Rain
8:54 PM 71.1 °F - 71.1 °F 100% 29.77 in 7.0 mi Calm Calm - 0.00 in   Partly Cloudy
9:54 PM 71.1 °F - 70.0 °F 96% 29.78 in 8.0 mi WSW 4.6 mph - N/A   Scattered Clouds
10:54 PM 70.0 °F - 70.0 °F 100% 29.76 in 8.0 mi South 3.5 mph - N/A   Partly Cloudy
11:54 PM 70.0 °F - 70.0 °F 100% 29.75 in 7.0 mi Calm Calm - N/A   Scattered Clouds