Gaithersburg, MD

3:15 PM EST on November 21, 2019 (GMT -0500)
Montgomery County

Weather History for KGAI - September, 2019

Change the Weather History Date:

Tuesday, September 24, 2019

  Actual Average (WUND) Record (WUND)
Temperature  
Mean Temperature 68 °F -  
Max Temperature 78 °F - - (-1)
Min Temperature 57 °F - - (-1)
Cooling Degree Days 4    
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 65    
Maximum Humidity 90    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 6 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 23 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

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Astronomy

Sep. 24, 2019 Rise Set
Actual Time 6:57 AM EDT 7:02 PM EDT
Civil Twilight 6:31 AM EDT 7:29 PM EDT
Nautical Twilight 6:00 AM EDT 8:00 PM EDT
Astronomical Twilight 5:28 AM EDT 8:32 PM EDT
Moon 1:43 AM EDT (9/24) 4:44 PM EDT (9/24)
Length of Visible Light 12h 58m
Length of Day
12h 04m
Waning Crescent, 23% of the Moon is Illuminated
Sep 24
Waning Crescent
Sep 28
New
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 71.1 °F 64.0 °F 78% 29.90 in 10.0 mi WNW 8.1 mph - N/A   Clear
1:56 AM 68.0 °F 63.0 °F 84% 29.90 in 10.0 mi WNW 6.9 mph - N/A   Clear
2:56 AM 66.9 °F 62.1 °F 84% 29.89 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:56 AM 66.0 °F 61.0 °F 84% 29.89 in 10.0 mi Calm Calm - N/A   Clear
4:56 AM 64.9 °F 57.9 °F 78% 29.91 in 10.0 mi NW 3.5 mph - N/A   Clear
5:56 AM 61.0 °F 55.9 °F 83% 29.93 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 59.0 °F 55.9 °F 90% 29.94 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:56 AM 61.0 °F 55.9 °F 83% 29.95 in 10.0 mi West 5.8 mph - N/A   Clear
8:56 AM 66.9 °F 55.9 °F 68% 29.96 in 10.0 mi WNW 11.5 mph 17.3 mph N/A   Clear
9:56 AM 70.0 °F 55.0 °F 59% 29.97 in 10.0 mi NW 6.9 mph - N/A   Clear
10:56 AM 73.0 °F 55.0 °F 53% 29.98 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Partly Cloudy
11:56 AM 73.0 °F 54.0 °F 51% 29.98 in 10.0 mi NW 8.1 mph 16.1 mph N/A   Scattered Clouds
12:56 PM 75.0 °F 53.1 °F 46% 29.95 in 10.0 mi WNW 9.2 mph 16.1 mph N/A   Partly Cloudy
1:56 PM 75.9 °F 53.1 °F 45% 29.94 in 10.0 mi West 12.7 mph 21.9 mph N/A   Mostly Cloudy
2:56 PM 78.1 °F 53.1 °F 42% 29.92 in 10.0 mi WNW 12.7 mph 16.1 mph N/A   Scattered Clouds
3:56 PM 75.0 °F 51.1 °F 43% 29.92 in 10.0 mi NW 10.4 mph 20.7 mph N/A   Overcast
4:56 PM 75.9 °F 50.0 °F 40% 29.91 in 10.0 mi WNW 9.2 mph - N/A   Partly Cloudy
5:56 PM 73.9 °F 48.9 °F 41% 29.92 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
6:56 PM 69.1 °F 50.0 °F 51% 29.93 in 10.0 mi NW 3.5 mph - N/A   Scattered Clouds
7:56 PM 66.0 °F 50.0 °F 56% 29.95 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 62.1 °F 51.1 °F 67% 29.96 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 61.0 °F 50.0 °F 67% 29.98 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 59.0 °F 51.1 °F 75% 29.99 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 57.0 °F 52.0 °F 83% 29.98 in 10.0 mi Calm Calm - N/A   Clear