Annapolis Naval Academy, MD

2:39 AM EDT on March 24, 2017 (GMT -0400)
Annapolis Naval Academy

Weather History for KNAK - September, 2012

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Monday, September 10, 2012

  Actual Average (KBWI) Record (KBWI)
Temperature  
Mean Temperature 70 °F -  
Max Temperature 75 °F 82 °F 98 °F (1983)
Min Temperature 63 °F 60 °F 41 °F (1956)
Cooling Degree Days 4    
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 56    
Maximum Humidity 75    
Minimum Humidity 36    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 10 mph (NW)    
Max Wind Speed 15 mph    
Max Gust Speed 22 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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Date:

Astronomy

Sep. 10, 2012 Rise Set
Actual Time 6:43 AM EDT 7:21 PM EDT
Civil Twilight 6:16 AM EDT 7:48 PM EDT
Nautical Twilight 5:44 AM EDT 8:20 PM EDT
Astronomical Twilight 5:11 AM EDT 8:52 PM EDT
Moon 1:04 AM EDT (9/10) 3:47 PM EDT (9/10)
Length of Visible Light 13h 32m
Length of Day
12h 38m
Waning Crescent, 30% of the Moon is Illuminated
Sep 10
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last 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 68.0 °F 53.1 °F 59% 29.96 in 10.0 mi WNW 10.4 mph - N/A   Clear
1:54 AM 68.0 °F 55.9 °F 65% 29.96 in 10.0 mi NNW 12.7 mph - N/A   Clear
2:54 AM 66.9 °F 55.9 °F 68% 29.96 in 10.0 mi NNW 12.7 mph - N/A   Clear
3:54 AM 66.0 °F 55.0 °F 68% 29.97 in 10.0 mi NNW 10.4 mph - N/A   Clear
4:54 AM 66.0 °F 55.0 °F 68% 29.98 in 10.0 mi NNW 11.5 mph - N/A   Clear
5:54 AM 66.0 °F 55.9 °F 70% 30.00 in 10.0 mi NNW 9.2 mph - N/A   Clear
6:54 AM 64.0 °F 55.9 °F 75% 30.03 in 10.0 mi North 8.1 mph - N/A   Clear
7:54 AM 66.0 °F 55.9 °F 70% 30.05 in 10.0 mi NW 10.4 mph - N/A   Clear
8:54 AM 66.9 °F 55.0 °F 66% 30.07 in 10.0 mi NNW 10.4 mph - N/A   Clear
9:54 AM 70.0 °F 54.0 °F 57% 30.09 in 10.0 mi NNW 9.2 mph - N/A   Clear
10:54 AM 72.0 °F 53.1 °F 51% 30.09 in 10.0 mi North 11.5 mph - N/A   Clear
11:54 AM 73.0 °F 52.0 °F 48% 30.08 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy
12:54 PM 73.0 °F 52.0 °F 48% 30.07 in 10.0 mi NW 15.0 mph 21.9 mph N/A   Mostly Cloudy
1:54 PM 73.9 °F 52.0 °F 46% 30.07 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
2:54 PM 75.0 °F 48.9 °F 40% 30.06 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
3:54 PM 75.9 °F 50.0 °F 40% 30.05 in 10.0 mi NW 10.4 mph - N/A   Scattered Clouds
4:54 PM 75.9 °F 46.9 °F 36% 30.06 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
5:54 PM 75.0 °F 48.0 °F 38% 30.08 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
6:54 PM 73.9 °F 51.1 °F 45% 30.09 in 10.0 mi NNW 13.8 mph - N/A   Partly Cloudy
7:54 PM 72.0 °F 51.1 °F 48% 30.11 in 10.0 mi NNW 9.2 mph - N/A   Clear
8:54 PM 71.1 °F 52.0 °F 51% 30.13 in 10.0 mi NNW 4.6 mph - N/A   Clear
9:54 PM 66.0 °F 54.0 °F 65% 30.15 in 9.0 mi West 4.6 mph - N/A   Clear
10:54 PM 64.0 °F 50.0 °F 60% 30.16 in 10.0 mi West 3.5 mph - N/A   Clear
11:54 PM 63.0 °F 50.0 °F 63% 30.17 in 10.0 mi Calm Calm - N/A   Clear