Gaithersburg, MD

11:00 PM EST on November 19, 2019 (GMT -0500)
Montgomery County

Weather History for KGAI - September, 2019

Change the Weather History Date:

Monday, September 23, 2019

  Actual Average (KCGS) Record (KCGS)
Temperature  
Mean Temperature 78 °F -  
Max Temperature 91 °F 76 °F 95 °F (1970)
Min Temperature 66 °F 56 °F 39 °F (1983)
Cooling Degree Days 14    
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 63    
Maximum Humidity 90    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 5 mph (WSW)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 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

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Astronomy

Sep. 23, 2019 Rise Set
Actual Time 6:57 AM EDT 7:04 PM EDT
Civil Twilight 6:30 AM EDT 7:31 PM EDT
Nautical Twilight 5:59 AM EDT 8:02 PM EDT
Astronomical Twilight 5:27 AM EDT 8:33 PM EDT
Moon 12:40 AM EDT (9/23) 3:53 PM EDT (9/23)
Length of Visible Light 13h 00m
Length of Day
12h 07m
Waning Crescent, 33% of the Moon is Illuminated
Sep 23
Waning Crescent
Sep 28
New
Oct 5
First Quarter
Oct 13
Full
Oct 21
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:56 AM 75.0 °F - 66.0 °F 73% 30.05 in 10.0 mi South 4.6 mph - N/A   Clear
1:56 AM 73.9 °F - 64.9 °F 73% 30.04 in 10.0 mi Variable 4.6 mph - N/A   Clear
2:56 AM 73.0 °F - 64.0 °F 73% 30.03 in 10.0 mi SSW 4.6 mph - N/A   Clear
3:56 AM 72.0 °F - 64.0 °F 76% 30.01 in 10.0 mi South 3.5 mph - N/A   Clear
4:56 AM 70.0 °F - 63.0 °F 78% 30.00 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 66.0 °F - 63.0 °F 90% 30.01 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 66.0 °F - 63.0 °F 90% 30.01 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 68.0 °F - 63.0 °F 84% 30.02 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 73.9 °F - 64.9 °F 73% 30.02 in 10.0 mi WSW 3.5 mph - N/A   Clear
9:56 AM 79.0 °F - 64.9 °F 62% 30.02 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
10:56 AM 84.0 °F 85.8 °F 64.9 °F 53% 30.00 in 10.0 mi WSW 5.8 mph - N/A   Clear
11:56 AM 88.0 °F 88.7 °F 63.0 °F 43% 29.98 in 10.0 mi SSW 5.8 mph - N/A   Clear
12:56 PM 90.0 °F 90.6 °F 63.0 °F 40% 29.95 in 10.0 mi SW 10.4 mph - N/A   Clear
1:56 PM 91.9 °F 92.9 °F 63.0 °F 38% 29.93 in 10.0 mi SSW 9.2 mph 17.3 mph N/A   Scattered Clouds
2:56 PM 91.0 °F 90.0 °F 57.9 °F 33% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
3:56 PM 90.0 °F 88.8 °F 57.9 °F 34% 29.89 in 10.0 mi WSW 9.2 mph - N/A   Overcast
4:56 PM 87.1 °F 85.9 °F 57.0 °F 36% 29.88 in 10.0 mi SW 4.6 mph - N/A   Overcast
5:56 PM 86.0 °F 86.1 °F 61.0 °F 43% 29.87 in 10.0 mi WSW 3.5 mph - N/A   Overcast
6:56 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.87 in 10.0 mi Calm Calm - N/A   Overcast
7:56 PM 78.1 °F - 64.0 °F 62% 29.88 in 10.0 mi WNW 15.0 mph 19.6 mph 0.00 in Rain Light Rain
8:56 PM 75.0 °F - 66.0 °F 73% 29.89 in 10.0 mi NW 8.1 mph - 0.00 in   Overcast
9:56 PM 75.0 °F - 66.0 °F 73% 29.90 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
10:56 PM 73.0 °F - 64.9 °F 76% 29.90 in 10.0 mi WNW 11.5 mph - N/A   Partly Cloudy
11:56 PM 71.1 °F - 64.0 °F 78% 29.90 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds