Gaithersburg, MD

2:44 AM EST on November 17, 2019 (GMT -0500)
Montgomery County

Weather History for KGAI - September, 2019

Change the Weather History Date:

Wednesday, September 25, 2019

  Actual Average (WUND) Record (WUND)
Temperature  
Mean Temperature 66 °F -  
Max Temperature 82 °F - - (-1)
Min Temperature 51 °F - - (-1)
Cooling Degree Days 1    
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 65    
Maximum Humidity 96    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 2 mph (SSW)    
Max Wind Speed 9 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

Search for Another Location

Airport or City:

Astronomy

Sep. 25, 2019 Rise Set
Actual Time 6:58 AM EDT 7:01 PM EDT
Civil Twilight 6:32 AM EDT 7:27 PM EDT
Nautical Twilight 6:01 AM EDT 7:59 PM EDT
Astronomical Twilight 5:29 AM EDT 8:30 PM EDT
Moon 2:52 AM EDT (9/25) 5:29 PM EDT (9/25)
Length of Visible Light 12h 55m
Length of Day
12h 02m
Waning Crescent, 14% of the Moon is Illuminated
Sep 25
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 55.9 °F 51.1 °F 84% 29.98 in 10.0 mi Calm Calm - N/A   Clear
1:56 AM 54.0 °F 51.1 °F 90% 29.97 in 10.0 mi Calm Calm - N/A   Clear
2:56 AM 53.1 °F 51.1 °F 93% 29.96 in 10.0 mi Calm Calm - N/A   Clear
3:56 AM 52.0 °F 50.0 °F 93% 29.97 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 AM 51.1 °F 50.0 °F 96% 29.99 in 10.0 mi Calm Calm - N/A   Clear
5:56 AM 53.1 °F 50.0 °F 89% 30.00 in 10.0 mi Calm Calm - N/A   Clear
6:56 AM 51.1 °F 48.9 °F 92% 30.01 in 10.0 mi Calm Calm - N/A   Clear
7:56 AM 53.1 °F 51.1 °F 93% 30.02 in 10.0 mi Calm Calm - N/A   Clear
8:56 AM 62.1 °F 53.1 °F 72% 30.03 in 10.0 mi WNW 4.6 mph - N/A   Clear
9:56 AM 68.0 °F 54.0 °F 61% 30.03 in 10.0 mi West 5.8 mph - N/A   Clear
10:56 AM 73.9 °F 55.0 °F 52% 30.03 in 10.0 mi Variable 5.8 mph - N/A   Clear
11:56 AM 77.0 °F 53.1 °F 43% 30.01 in 10.0 mi SW 5.8 mph - N/A   Clear
12:56 PM 79.0 °F 52.0 °F 39% 29.98 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
1:56 PM 80.1 °F 51.1 °F 36% 29.96 in 10.0 mi WSW 6.9 mph - N/A   Clear
2:56 PM 81.0 °F 51.1 °F 35% 29.93 in 10.0 mi South 9.2 mph - N/A   Clear
3:56 PM 81.0 °F 50.0 °F 34% 29.91 in 10.0 mi Variable 5.8 mph - N/A   Clear
4:56 PM 81.0 °F 48.9 °F 33% 29.91 in 10.0 mi Variable 3.5 mph - N/A   Clear
5:56 PM 80.1 °F 48.9 °F 34% 29.91 in 10.0 mi SW 6.9 mph - N/A   Clear
6:56 PM 71.1 °F 52.0 °F 51% 29.91 in 10.0 mi Calm Calm - N/A   Clear
7:56 PM 64.9 °F 54.0 °F 68% 29.91 in 10.0 mi SE 3.5 mph - N/A   Clear
8:56 PM 64.0 °F 55.0 °F 73% 29.93 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 66.9 °F 54.0 °F 63% 29.92 in 10.0 mi SE 5.8 mph - N/A   Clear
10:56 PM 68.0 °F 54.0 °F 61% 29.93 in 10.0 mi SE 8.1 mph - N/A   Clear
11:56 PM 62.1 °F 54.0 °F 75% 29.93 in 10.0 mi SE 3.5 mph - N/A   Clear