Weather History for Gaithersburg, MD

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Wednesday, February 6, 2013

  Actual Average (KCGS) Record (KCGS)
Temperature  
Mean Temperature 36 °F -  
Max Temperature 42 °F 43 °F 75 °F (1991)
Min Temperature 26 °F 24 °F 1 °F (1966)
Degree Days  
Heating Degree Days 29    
Moisture  
Dew Point 24 °F    
Average Humidity 65    
Maximum Humidity 93    
Minimum Humidity 45    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 4 mph (NNW)    
Max Wind Speed 18 mph    
Max Gust Speed 26 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

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Date:

Astronomy

Feb. 06, 2013 Rise Set
Actual Time 7:10 AM EST 5:35 PM EST
Civil Twilight 6:42 AM EST 6:03 PM EST
Nautical Twilight 6:10 AM EST 6:35 PM EST
Astronomical Twilight 5:39 AM EST 7:06 PM EST
Moon 3:51 AM EST (2/6) 1:52 PM EST (2/6)
Length of Visible Light 11h 21m
Length of Day
10h 25m
Waning Crescent, 17% of the Moon is Illuminated
Feb 6
Waning Crescent
Feb 10
New
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter

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 33.8 °F - 26.6 °F 75% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
12:35 AM 33.8 °F - 28.4 °F 81% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
12:55 AM 32.0 °F - 26.6 °F 80% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
1:15 AM 32.0 °F - 26.6 °F 80% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
1:35 AM 32.0 °F - 26.6 °F 80% 29.95 in 10.0 mi Calm Calm - N/A   Overcast
1:55 AM 32.0 °F - 24.8 °F 75% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:15 AM 32.0 °F - 26.6 °F 80% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
2:35 AM 30.2 °F - 26.6 °F 86% 29.96 in 10.0 mi Calm Calm - N/A   Overcast
3:15 AM 30.2 °F - 26.6 °F 86% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
3:35 AM 30.2 °F - 26.6 °F 86% 29.97 in 10.0 mi Calm Calm - N/A   Overcast
3:55 AM 30.2 °F - 26.6 °F 86% 29.98 in 10.0 mi Calm Calm - N/A   Overcast
4:15 AM 30.2 °F - 26.6 °F 86% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
4:35 AM 30.2 °F 26.7 °F 26.6 °F 86% 30.00 in 10.0 mi West 3.5 mph - N/A   Overcast
4:55 AM 30.2 °F - 28.4 °F 93% 30.01 in 10.0 mi Calm Calm - N/A   Overcast
5:15 AM 33.8 °F - 28.4 °F 81% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
5:35 AM 32.0 °F - 26.6 °F 80% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
5:55 AM 32.0 °F - 28.4 °F 87% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
6:15 AM 30.2 °F 24.3 °F 26.6 °F 86% 30.06 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
6:35 AM 32.0 °F 25.6 °F 26.6 °F 80% 30.06 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
6:55 AM 32.0 °F 26.4 °F 26.6 °F 80% 30.08 in 10.0 mi NNW 5.8 mph - N/A   Partly Cloudy
7:15 AM 35.6 °F 29.2 °F 28.4 °F 75% 30.10 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
7:35 AM 35.6 °F 32.8 °F 28.4 °F 75% 30.11 in 10.0 mi North 3.5 mph - N/A   Overcast
7:55 AM 35.6 °F 30.7 °F 26.6 °F 70% 30.13 in 10.0 mi NNW 5.8 mph - N/A   Overcast
8:35 AM 35.6 °F 27.5 °F 26.6 °F 70% 30.16 in 10.0 mi NW 11.5 mph 17.3 mph N/A   Overcast
8:55 AM 35.6 °F 29.9 °F 26.6 °F 70% 30.16 in 10.0 mi NNW 6.9 mph - N/A   Overcast
9:15 AM 37.4 °F 30.8 °F 26.6 °F 65% 30.16 in 10.0 mi NNW 9.2 mph - N/A   Overcast
9:35 AM 37.4 °F 30.8 °F 26.6 °F 65% 30.17 in 10.0 mi NW 9.2 mph - N/A   Overcast
9:55 AM 37.4 °F 33.8 °F 26.6 °F 65% 30.18 in 10.0 mi North 4.6 mph - N/A   Overcast
10:35 AM 37.4 °F 33.8 °F 24.8 °F 60% 30.20 in 10.0 mi NW 4.6 mph - N/A   Overcast
10:55 AM 39.2 °F 33.0 °F 24.8 °F 56% 30.21 in 10.0 mi WNW 9.2 mph 17.3 mph N/A   Overcast
11:15 AM 41.0 °F 32.2 °F 24.8 °F 53% 30.21 in 10.0 mi NW 18.4 mph 24.2 mph N/A   Mostly Cloudy
11:35 AM 39.2 °F 29.8 °F 23.0 °F 52% 30.21 in 10.0 mi NW 18.4 mph 26.5 mph N/A   Mostly Cloudy
12:15 PM 39.2 °F 32.5 °F 21.2 °F 49% 30.22 in 10.0 mi NW 10.4 mph 20.7 mph N/A   Overcast
12:35 PM 39.2 °F 31.6 °F 23.0 °F 52% 30.21 in 10.0 mi NW 12.7 mph 24.2 mph N/A   Overcast
12:55 PM 39.2 °F 31.2 °F 23.0 °F 52% 30.21 in 10.0 mi NW 13.8 mph 19.6 mph N/A   Overcast
1:15 PM 39.2 °F 30.8 °F 23.0 °F 52% 30.22 in 10.0 mi WNW 15.0 mph 23.0 mph N/A   Overcast
1:35 PM 39.2 °F 30.8 °F 23.0 °F 52% 30.22 in 10.0 mi NW 15.0 mph 20.7 mph N/A   Mostly Cloudy
1:55 PM 41.0 °F 33.1 °F 24.8 °F 53% 30.22 in 10.0 mi NW 15.0 mph 25.3 mph N/A   Mostly Cloudy
2:15 PM 42.8 °F 36.6 °F 24.8 °F 49% 30.22 in 10.0 mi NNW 11.5 mph 16.1 mph N/A   Scattered Clouds
2:35 PM 41.0 °F 34.3 °F 23.0 °F 49% 30.22 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Clear
2:55 PM 39.2 °F 30.8 °F 23.0 °F 52% 30.22 in 10.0 mi NW 15.0 mph 21.9 mph N/A   Clear
3:15 PM 41.0 °F 32.5 °F 21.2 °F 45% 30.23 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Clear
3:35 PM 41.0 °F 35.8 °F 23.0 °F 49% 30.23 in 10.0 mi NNW 8.1 mph 16.1 mph N/A   Clear
3:55 PM 39.2 °F 32.5 °F 21.2 °F 49% 30.23 in 10.0 mi North 10.4 mph 19.6 mph N/A   Clear
4:15 PM 39.2 °F 34.2 °F 23.0 °F 52% 30.24 in 10.0 mi North 6.9 mph - N/A   Clear
4:35 PM 39.2 °F 33.6 °F 23.0 °F 52% 30.25 in 10.0 mi North 8.1 mph - N/A   Clear
4:55 PM 39.2 °F 35.9 °F 23.0 °F 52% 30.26 in 10.0 mi North 4.6 mph - N/A   Clear
5:15 PM 37.4 °F 32.8 °F 21.2 °F 52% 30.27 in 10.0 mi NNW 5.8 mph - N/A   Clear
5:35 PM 35.6 °F 29.2 °F 21.2 °F 56% 30.27 in 10.0 mi NNW 8.1 mph - N/A   Clear
5:55 PM 35.6 °F 28.6 °F 21.2 °F 56% 30.27 in 10.0 mi NNW 9.2 mph - N/A   Clear
6:15 PM 35.6 °F 31.7 °F 21.2 °F 56% 30.28 in 10.0 mi North 4.6 mph - N/A   Clear
6:35 PM 33.8 °F 27.7 °F 21.2 °F 60% 30.29 in 10.0 mi North 6.9 mph - N/A   Clear
6:55 PM 33.8 °F 29.6 °F 21.2 °F 60% 30.29 in 10.0 mi North 4.6 mph - N/A   Clear
7:15 PM 33.8 °F - 21.2 °F 60% 30.30 in 10.0 mi Calm Calm - N/A   Clear
7:35 PM 33.8 °F 29.6 °F 19.4 °F 56% 30.31 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:55 PM 33.8 °F 27.0 °F 19.4 °F 56% 30.32 in 10.0 mi NNW 8.1 mph - N/A   Clear
8:15 PM 33.8 °F 27.7 °F 19.4 °F 56% 30.32 in 10.0 mi NNW 6.9 mph - N/A   Clear
8:35 PM 33.8 °F 29.6 °F 19.4 °F 56% 30.32 in 10.0 mi North 4.6 mph - N/A   Clear
8:55 PM 32.0 °F 28.7 °F 19.4 °F 60% 30.33 in 10.0 mi North 3.5 mph - N/A   Clear
9:15 PM 30.2 °F 24.3 °F 19.4 °F 64% 30.34 in 10.0 mi NNE 5.8 mph - N/A   Clear
9:35 PM 30.2 °F 25.4 °F 19.4 °F 64% 30.34 in 10.0 mi NNE 4.6 mph - N/A   Clear
9:55 PM 30.2 °F 26.7 °F 19.4 °F 64% 30.35 in 10.0 mi NNE 3.5 mph - N/A   Clear
10:15 PM 30.2 °F 26.7 °F 19.4 °F 64% 30.35 in 10.0 mi NNE 3.5 mph - N/A   Clear
10:35 PM 30.2 °F 26.7 °F 19.4 °F 64% 30.36 in 10.0 mi NNE 3.5 mph - N/A   Clear
10:55 PM 30.2 °F 25.4 °F 19.4 °F 64% 30.36 in 10.0 mi NE 4.6 mph - N/A   Clear
11:15 PM 30.2 °F 26.7 °F 17.6 °F 60% 30.35 in 10.0 mi NE 3.5 mph - N/A   Clear
11:35 PM 30.2 °F 26.7 °F 17.6 °F 60% 30.35 in 10.0 mi East 3.5 mph - N/A   Clear
11:55 PM 26.6 °F 22.6 °F 17.6 °F 69% 30.36 in 10.0 mi SSE 3.5 mph - N/A   Clear