Gaithersburg, MD

1:37 PM EST on February 19, 2018 (GMT -0500)
Montgomery County

Weather History for KGAI - February, 2013

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Friday, February 1, 2013

  Actual Average (KCGS) Record (KCGS)
Temperature  
Mean Temperature 22 °F -  
Max Temperature 28 °F 44 °F 64 °F (1988)
Min Temperature 17 °F 26 °F 7 °F (1965)
Degree Days  
Heating Degree Days 42    
Moisture  
Dew Point 8 °F    
Average Humidity 52    
Maximum Humidity 86    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 8 mph (NW)    
Max Wind Speed 25 mph    
Max Gust Speed 37 mph    
Visibility 9 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Feb. 01, 2013 Rise Set
Actual Time 7:15 AM EST 5:29 PM EST
Civil Twilight 6:47 AM EST 5:58 PM EST
Nautical Twilight 6:15 AM EST 6:30 PM EST
Astronomical Twilight 5:43 AM EST 7:01 PM EST
Moon 11:31 PM EST (2/1) 9:50 AM EST (2/1)
Length of Visible Light 11h 11m
Length of Day
10h 14m
Waning Gibbous, 70% of the Moon is Illuminated
Feb 1
Waning Gibbous
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter
Feb 25
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 28.4 °F 23.3 °F 12.2 °F 51% 29.90 in 10.0 mi West 4.6 mph - N/A   Clear
12:35 AM 28.4 °F - 12.2 °F 51% 29.89 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 26.6 °F - 14.0 °F 59% 29.88 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 26.6 °F - 14.0 °F 59% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:55 AM 28.4 °F - 14.0 °F 55% 29.89 in 10.0 mi Calm Calm - N/A   Overcast
2:15 AM 28.4 °F 24.6 °F 14.0 °F 55% 29.89 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
2:35 AM 28.4 °F 24.6 °F 14.0 °F 55% 29.88 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
2:55 AM 28.4 °F 24.6 °F 14.0 °F 55% 29.87 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
3:15 AM 28.4 °F 24.6 °F 15.8 °F 59% 29.86 in 10.0 mi SSE 3.5 mph - N/A   Partly Cloudy
3:35 AM 28.4 °F - 15.8 °F 59% 29.85 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:55 AM 28.4 °F - 15.8 °F 59% 29.84 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:15 AM 28.4 °F - 15.8 °F 59% 29.83 in 10.0 mi Calm Calm - N/A   Overcast
4:35 AM 28.4 °F - 15.8 °F 59% 29.83 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:55 AM 28.4 °F - 15.8 °F 59% 29.84 in 10.0 mi Calm Calm - N/A   Overcast
5:15 AM 28.4 °F 24.6 °F 17.6 °F 64% 29.84 in 10.0 mi NNE 3.5 mph - N/A   Overcast
5:35 AM 28.4 °F 24.6 °F 17.6 °F 64% 29.84 in 10.0 mi North 3.5 mph - N/A   Overcast
5:55 AM 28.4 °F 19.7 °F 15.8 °F 59% 29.86 in 10.0 mi NNW 9.2 mph - N/A   Overcast
6:15 AM 26.6 °F 19.1 °F 23.0 °F 86% 29.88 in 1.5 mi NNW 6.9 mph 16.1 mph N/A   Overcast
6:35 AM 26.6 °F 17.5 °F 23.0 °F 86% 29.90 in 1.8 mi NNW 9.2 mph - N/A   Overcast
7:15 AM 24.8 °F 14.6 °F 19.4 °F 80% 29.92 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
7:35 AM 24.8 °F 16.1 °F 19.4 °F 80% 29.93 in 10.0 mi NNW 8.1 mph - N/A   Overcast
7:55 AM 24.8 °F 14.6 °F 17.6 °F 74% 29.95 in 10.0 mi NW 10.4 mph 16.1 mph N/A   Overcast
8:15 AM 26.6 °F 17.5 °F 17.6 °F 69% 29.97 in 4.0 mi NNW 9.2 mph 23.0 mph N/A   Overcast
8:35 AM 24.8 °F 10.0 °F 14.0 °F 64% 29.98 in 3.0 mi NNW 21.9 mph 34.5 mph N/A   Scattered Clouds
8:55 AM 24.8 °F 10.0 °F 8.6 °F 50% 30.00 in 3.0 mi NW 21.9 mph 32.2 mph N/A   Partly Cloudy
9:15 AM 24.8 °F 9.0 °F 8.6 °F 50% 30.02 in 10.0 mi NW 25.3 mph 36.8 mph N/A   Partly Cloudy
9:35 AM 24.8 °F 10.0 °F 6.8 °F 46% 30.03 in 5.0 mi NW 21.9 mph 34.5 mph N/A   Partly Cloudy
9:55 AM 24.8 °F 10.0 °F 6.8 °F 46% 30.05 in 10.0 mi NW 21.9 mph 33.4 mph N/A   Partly Cloudy
10:15 AM 24.8 °F 13.4 °F 6.8 °F 46% 30.06 in 10.0 mi North 12.7 mph 34.5 mph N/A   Mostly Cloudy
10:35 AM 24.8 °F 9.3 °F 6.8 °F 46% 30.07 in 10.0 mi NW 24.2 mph 33.4 mph N/A   Scattered Clouds
10:55 AM 24.8 °F 9.0 °F 6.8 °F 46% 30.08 in 10.0 mi NNW 25.3 mph 33.4 mph N/A   Clear
11:15 AM 24.8 °F 10.7 °F 8.6 °F 50% 30.10 in 10.0 mi NNW 19.6 mph 26.5 mph N/A   Scattered Clouds
11:35 AM 24.8 °F 11.5 °F 6.8 °F 46% 30.11 in 10.0 mi NNW 17.3 mph 32.2 mph N/A   Mostly Cloudy
11:55 AM 26.6 °F 14.3 °F 6.8 °F 43% 30.12 in 10.0 mi NNW 16.1 mph 31.1 mph N/A   Mostly Cloudy
12:15 PM 24.8 °F 10.7 °F 6.8 °F 46% 30.13 in 10.0 mi NW 19.6 mph 26.5 mph N/A   Overcast
12:35 PM 24.8 °F 11.9 °F 6.8 °F 46% 30.13 in 10.0 mi NW 16.1 mph 26.5 mph N/A   Mostly Cloudy
1:15 PM 24.8 °F 13.4 °F 5.0 °F 43% 30.15 in 10.0 mi NNW 12.7 mph 24.2 mph N/A   Overcast
1:35 PM 24.8 °F 10.0 °F 5.0 °F 43% 30.15 in 10.0 mi NW 21.9 mph 29.9 mph N/A   Mostly Cloudy
1:55 PM 24.8 °F 10.7 °F 3.2 °F 40% 30.15 in 10.0 mi NW 19.6 mph 29.9 mph N/A   Mostly Cloudy
2:15 PM 24.8 °F 11.9 °F 5.0 °F 43% 30.16 in 10.0 mi NW 16.1 mph 27.6 mph N/A   Mostly Cloudy
2:35 PM 24.8 °F 12.4 °F 3.2 °F 40% 30.16 in 10.0 mi WNW 15.0 mph 27.6 mph N/A   Mostly Cloudy
2:55 PM 24.8 °F 11.1 °F 3.2 °F 40% 30.17 in 10.0 mi WNW 18.4 mph 24.2 mph N/A   Scattered Clouds
3:15 PM 24.8 °F 12.9 °F 5.0 °F 43% 30.18 in 10.0 mi NW 13.8 mph 26.5 mph N/A   Scattered Clouds
3:35 PM 24.8 °F 11.5 °F 5.0 °F 43% 30.19 in 10.0 mi NW 17.3 mph 25.3 mph N/A   Overcast
3:55 PM 24.8 °F 12.4 °F 3.2 °F 40% 30.21 in 10.0 mi NW 15.0 mph 26.5 mph N/A   Mostly Cloudy
4:15 PM 23.0 °F 8.3 °F 1.4 °F 39% 30.21 in 10.0 mi NW 19.6 mph 25.3 mph N/A   Scattered Clouds
4:35 PM 23.0 °F 7.2 °F 3.2 °F 43% 30.22 in 10.0 mi NW 23.0 mph 33.4 mph N/A   Clear
5:15 PM 21.2 °F 9.5 °F 1.4 °F 42% 30.24 in 10.0 mi NNW 11.5 mph 21.9 mph N/A   Partly Cloudy
5:35 PM 21.2 °F 6.4 °F 1.4 °F 42% 30.25 in 10.0 mi NW 18.4 mph 24.2 mph N/A   Partly Cloudy
6:15 PM 21.2 °F 8.9 °F 1.4 °F 42% 30.27 in 10.0 mi NW 12.7 mph 24.2 mph N/A   Clear
6:35 PM 21.2 °F 8.9 °F 1.4 °F 42% 30.29 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Partly Cloudy
6:55 PM 19.4 °F 6.6 °F 1.4 °F 46% 30.30 in 10.0 mi NW 12.7 mph 17.3 mph N/A   Scattered Clouds
7:15 PM 19.4 °F 6.6 °F 3.2 °F 49% 30.31 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Scattered Clouds
7:35 PM 19.4 °F 4.5 °F 1.4 °F 46% 30.31 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Partly Cloudy
7:55 PM 19.4 °F 7.2 °F 1.4 °F 46% 30.32 in 10.0 mi NW 11.5 mph 20.7 mph N/A   Clear
8:15 PM 19.4 °F 12.8 °F 1.4 °F 46% 30.34 in 10.0 mi NW 4.6 mph - N/A   Clear
8:35 PM 19.4 °F 6.6 °F 1.4 °F 46% 30.33 in 10.0 mi NNW 12.7 mph - N/A   Clear
8:55 PM 17.6 °F 4.3 °F 1.4 °F 49% 30.34 in 10.0 mi NNW 12.7 mph 16.1 mph N/A   Clear
9:15 PM 17.6 °F 8.2 °F 1.4 °F 49% 30.34 in 10.0 mi NNW 6.9 mph 16.1 mph N/A   Clear
9:35 PM 17.6 °F 3.7 °F 1.4 °F 49% 30.35 in 10.0 mi NW 13.8 mph - N/A   Clear
9:55 PM 17.6 °F 7.3 °F 3.2 °F 53% 30.36 in 10.0 mi WNW 8.1 mph - N/A   Clear
10:15 PM 17.6 °F 7.3 °F 1.4 °F 49% 30.36 in 10.0 mi NW 8.1 mph - N/A   Clear
10:35 PM 17.6 °F 6.4 °F 3.2 °F 53% 30.37 in 10.0 mi WNW 9.2 mph - N/A   Clear
10:55 PM 17.6 °F 9.3 °F 3.2 °F 53% 30.37 in 10.0 mi NW 5.8 mph - N/A   Clear
11:15 PM 17.6 °F 2.7 °F 1.4 °F 49% 30.37 in 10.0 mi NW 16.1 mph 21.9 mph N/A   Clear
11:35 PM 17.6 °F 10.7 °F 1.4 °F 49% 30.38 in 10.0 mi NW 4.6 mph - N/A   Clear
11:55 PM 17.6 °F 9.3 °F 3.2 °F 53% 30.38 in 10.0 mi WNW 5.8 mph - N/A   Clear