Gaithersburg, MD

7:46 PM EST on November 18, 2019 (GMT -0500)
Montgomery County

Weather History for KGAI - September, 2019

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Thursday, September 5, 2019

  Actual Average (KCGS) Record (KCGS)
Temperature  
Mean Temperature 72 °F -  
Max Temperature 78 °F 83 °F 99 °F (1954)
Min Temperature 66 °F 63 °F 50 °F (1982)
Cooling Degree Days 6    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 73    
Maximum Humidity 81    
Minimum Humidity 62    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 3 mph (NNE)    
Max Wind Speed 7 mph    
Max Gust Speed -    
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

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Sep. 05, 2019 Rise Set
Actual Time 6:40 AM EDT 7:33 PM EDT
Civil Twilight 6:13 AM EDT 8:00 PM EDT
Nautical Twilight 5:41 AM EDT 8:32 PM EDT
Astronomical Twilight 5:07 AM EDT 9:06 PM EDT
Moon 1:42 PM EDT (9/5) 11:50 PM EDT (9/5)
Length of Visible Light 13h 47m
Length of Day
12h 52m
Waxing Crescent, 45% of the Moon is Illuminated
Sep 5
Waxing Crescent
Sep 5
First Quarter
Sep 14
Full
Sep 21
Last Quarter
Sep 28
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 72.0 °F 63.0 °F 73% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Overcast
1:56 AM 70.0 °F 63.0 °F 78% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 AM 69.1 °F 61.0 °F 75% 30.06 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 69.1 °F 61.0 °F 75% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM 68.0 °F 60.1 °F 76% 30.07 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
5:56 AM 66.9 °F 60.1 °F 79% 30.08 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
6:56 AM 66.0 °F 60.1 °F 81% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:56 AM 66.0 °F 60.1 °F 81% 30.11 in 10.0 mi NNE 4.6 mph - N/A   Clear
8:56 AM 68.0 °F 60.1 °F 76% 30.13 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
9:56 AM 69.1 °F 61.0 °F 75% 30.13 in 10.0 mi Variable 5.8 mph - N/A   Scattered Clouds
10:56 AM 73.0 °F 62.1 °F 68% 30.12 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
11:12 AM 71.6 °F 60.8 °F 69% 30.10 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
11:56 AM 73.0 °F 62.1 °F 68% 30.12 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
12:56 PM 73.9 °F 63.0 °F 68% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 PM 75.9 °F 63.0 °F 64% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 PM 77.0 °F 63.0 °F 62% 30.09 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
3:56 PM 75.9 °F 64.0 °F 67% 30.07 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
4:56 PM 73.9 °F 63.0 °F 68% 30.05 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:56 PM 73.9 °F 62.1 °F 66% 30.06 in 10.0 mi Variable 4.6 mph - N/A   Overcast
6:56 PM 72.0 °F 63.0 °F 73% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Overcast
7:56 PM 70.0 °F 62.1 °F 76% 30.05 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
8:56 PM 69.1 °F 62.1 °F 78% 30.06 in 10.0 mi Calm Calm - N/A   Overcast
9:56 PM 69.1 °F 61.0 °F 75% 30.06 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:56 PM 66.9 °F 61.0 °F 81% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:56 PM 66.9 °F 61.0 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Clear