Gaithersburg, MD

5:36 PM EST on November 16, 2019 (GMT -0500)
Montgomery County

Weather History for KGAI - September, 2019

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Saturday, September 28, 2019

  Actual Average (WUND) Record (WUND)
Temperature  
Mean Temperature 73 °F -  
Max Temperature 86 °F - - (-1)
Min Temperature 62 °F - - (-1)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 78    
Maximum Humidity 93    
Minimum Humidity 59    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 4 mph (SSE)    
Max Wind Speed 10 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. 28, 2019 Rise Set
Actual Time 7:01 AM EDT 6:56 PM EDT
Civil Twilight 6:34 AM EDT 7:23 PM EDT
Nautical Twilight 6:03 AM EDT 7:54 PM EDT
Astronomical Twilight 5:32 AM EDT 8:25 PM EDT
Moon 6:35 AM EDT (9/28) 7:20 PM EDT (9/28)
Length of Visible Light 12h 48m
Length of Day
11h 54m
Waning Crescent, 0% of the Moon is Illuminated
Sep 28
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 66.0 °F - 57.9 °F 75% 30.14 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
1:56 AM 64.0 °F - 57.0 °F 78% 30.15 in 10.0 mi SE 3.5 mph - N/A   Clear
2:56 AM 62.1 °F - 57.0 °F 84% 30.15 in 10.0 mi ESE 3.5 mph - N/A   Clear
3:20 AM 64.4 °F - 57.2 °F 77% 30.10 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
3:56 AM 64.0 °F - 59.0 °F 84% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM 64.0 °F - 59.0 °F 84% 30.15 in 10.0 mi Calm Calm - N/A   Overcast
5:56 AM 64.9 °F - 60.1 °F 84% 30.16 in 10.0 mi SE 3.5 mph - N/A   Overcast
6:54 AM 66.2 °F - 60.8 °F 83% 30.13 in 10.0 mi SE 3.5 mph - N/A   Overcast
6:56 AM 66.0 °F - 61.0 °F 84% 30.16 in 10.0 mi SE 3.5 mph - N/A   Overcast
7:56 AM 66.0 °F - 62.1 °F 87% 30.16 in 10.0 mi SSE 4.6 mph - N/A   Overcast
8:19 AM 66.2 °F - 62.6 °F 88% 30.13 in 10.0 mi ESE 3.5 mph - N/A   Overcast
8:56 AM 68.0 °F - 64.0 °F 87% 30.16 in 10.0 mi Variable 3.5 mph - N/A   Overcast
9:56 AM 72.0 °F - 66.9 °F 84% 30.17 in 10.0 mi South 5.8 mph - N/A   Overcast
10:44 AM 73.4 °F - 66.2 °F 78% 30.13 in 10.0 mi SSW 4.6 mph - N/A   Overcast
10:56 AM 73.0 °F - 66.9 °F 81% 30.17 in 10.0 mi SSW 3.5 mph - N/A   Overcast
11:56 AM 77.0 °F - 69.1 °F 76% 30.17 in 10.0 mi South 5.8 mph - N/A   Overcast
12:56 PM 81.0 °F 84.4 °F 70.0 °F 69% 30.15 in 10.0 mi Variable 4.6 mph - N/A   Mostly Cloudy
1:08 PM 82.4 °F 86.3 °F 69.8 °F 66% 30.12 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
1:56 PM 84.0 °F 89.0 °F 71.1 °F 65% 30.14 in 10.0 mi SE 5.8 mph - N/A   Partly Cloudy
2:56 PM 84.9 °F 89.4 °F 70.0 °F 61% 30.11 in 10.0 mi South 6.9 mph - N/A   Clear
3:56 PM 82.0 °F 85.9 °F 70.0 °F 67% 30.11 in 10.0 mi West 4.6 mph - N/A   Mostly Cloudy
4:56 PM 84.9 °F 88.8 °F 69.1 °F 59% 30.09 in 10.0 mi South 10.4 mph - N/A   Clear
5:56 PM 82.9 °F 87.0 °F 70.0 °F 65% 30.12 in 10.0 mi SSW 9.2 mph - N/A   Clear
6:56 PM 81.0 °F 84.9 °F 71.1 °F 72% 30.10 in 10.0 mi Calm Calm - N/A   Clear
7:56 PM 79.0 °F - 71.1 °F 77% 30.11 in 10.0 mi Calm Calm - N/A   Clear
8:56 PM 77.0 °F - 68.0 °F 74% 30.13 in 10.0 mi Calm Calm - N/A   Clear
9:56 PM 72.0 °F - 68.0 °F 87% 30.15 in 10.0 mi Calm Calm - N/A   Clear
10:56 PM 70.0 °F - 68.0 °F 93% 30.16 in 10.0 mi Calm Calm - N/A   Clear
11:56 PM 69.1 °F - 66.9 °F 93% 30.16 in 10.0 mi WNW 3.5 mph - N/A   Clear