Weather History for Gaithersburg, MD

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Saturday, November 10, 2012

  Actual Average (KCGS) Record (KCGS)
Temperature  
Mean Temperature 48 °F -  
Max Temperature 64 °F 61 °F 77 °F (1986)
Min Temperature 33 °F 40 °F 24 °F (1954)
Degree Days  
Heating Degree Days 16    
Moisture  
Dew Point 35 °F    
Average Humidity 63    
Maximum Humidity 87    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.33 in    
Wind  
Wind Speed 2 mph (SSE)    
Max Wind Speed 8 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

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Astronomy

Nov. 10, 2012 Rise Set
Actual Time 6:46 AM EST 4:57 PM EST
Civil Twilight 6:18 AM EST 5:26 PM EST
Nautical Twilight 5:46 AM EST 5:58 PM EST
Astronomical Twilight 5:14 AM EST 6:29 PM EST
Moon 2:50 AM EST (11/10) 2:42 PM EST (11/10)
Length of Visible Light 11h 07m
Length of Day
10h 11m
Waning Crescent, 14% of the Moon is Illuminated
Nov 10
Waning Crescent
Nov 13
New
Nov 20
First Quarter
Nov 28
Full
Dec 6
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 37.4 °F - 33.8 °F 87% 30.25 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 35.6 °F - 32.0 °F 87% 30.25 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 37.4 °F - 32.0 °F 81% 30.26 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 37.4 °F - 32.0 °F 81% 30.26 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 35.6 °F - 30.2 °F 81% 30.26 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 35.6 °F - 32.0 °F 87% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 35.6 °F - 32.0 °F 87% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM 35.6 °F - 30.2 °F 81% 30.27 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM 33.8 °F - 30.2 °F 87% 30.28 in 9.0 mi Calm Calm - N/A   Clear
3:15 AM 33.8 °F - 30.2 °F 87% 30.28 in 9.0 mi Calm Calm - N/A   Clear
3:55 AM 35.6 °F - 32.0 °F 87% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 35.6 °F - 30.2 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 35.6 °F - 30.2 °F 81% 30.28 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 33.8 °F - 30.2 °F 87% 30.29 in 8.0 mi Calm Calm - N/A   Clear
5:15 AM 33.8 °F - 30.2 °F 87% 30.30 in 5.0 mi Calm Calm - N/A   Clear
5:35 AM 33.8 °F - 30.2 °F 87% 30.31 in 5.0 mi Calm Calm - N/A   Clear
5:55 AM 33.8 °F - 30.2 °F 87% 30.32 in 6.0 mi Calm Calm - N/A   Clear
6:15 AM 33.8 °F - 30.2 °F 87% 30.33 in 8.0 mi Calm Calm - N/A   Clear
6:35 AM 33.8 °F - 30.2 °F 87% 30.33 in 7.0 mi Calm Calm - N/A   Clear
6:55 AM 35.6 °F - 32.0 °F 87% 30.33 in 9.0 mi Calm Calm - N/A   Clear
7:35 AM 41.0 °F - 35.6 °F 81% 30.34 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 41.0 °F - 37.4 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 48.2 °F - 39.2 °F 71% 30.35 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 48.2 °F - 37.4 °F 66% 30.35 in 10.0 mi SSE 5.8 mph - N/A   Partly Cloudy
8:55 AM 48.2 °F - 35.6 °F 62% 30.36 in 10.0 mi SE 4.6 mph - N/A   Partly Cloudy
9:15 AM 51.8 °F - 37.4 °F 58% 30.35 in 10.0 mi SE 6.9 mph - N/A   Clear
9:35 AM 53.6 °F - 35.6 °F 51% 30.35 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
9:55 AM 53.6 °F - 35.6 °F 51% 30.36 in 10.0 mi SE 3.5 mph - N/A   Partly Cloudy
10:15 AM 55.4 °F - 35.6 °F 47% 30.36 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:35 AM 55.4 °F - 35.6 °F 47% 30.36 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
10:55 AM 59.0 °F - 35.6 °F 42% 30.36 in 10.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
11:15 AM 60.8 °F - 35.6 °F 39% 30.36 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:35 AM 60.8 °F - 33.8 °F 36% 30.35 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
11:55 AM 60.8 °F - 35.6 °F 39% 30.33 in 10.0 mi SSE 5.8 mph - N/A   Scattered Clouds
12:15 PM 62.6 °F - 35.6 °F 37% 30.32 in 10.0 mi SE 6.9 mph - N/A   Clear
12:35 PM 62.6 °F - 35.6 °F 37% 30.31 in 10.0 mi SE 5.8 mph - N/A   Clear
12:55 PM 62.6 °F - 33.8 °F 34% 30.31 in 10.0 mi SE 4.6 mph - N/A   Clear
1:15 PM 64.4 °F - 35.6 °F 34% 30.30 in 10.0 mi Calm Calm - N/A   Clear
1:35 PM 64.4 °F - 33.8 °F 32% 30.30 in 9.0 mi Calm Calm - N/A   Clear
1:55 PM 64.4 °F - 33.8 °F 32% 30.30 in 10.0 mi SSE 8.1 mph - N/A   Clear
2:15 PM 64.4 °F - 35.6 °F 34% 30.29 in 10.0 mi SE 8.1 mph - N/A   Clear
2:35 PM 64.4 °F - 33.8 °F 32% 30.29 in 10.0 mi South 8.1 mph - N/A   Clear
2:55 PM 62.6 °F - 35.6 °F 37% 30.29 in 10.0 mi South 5.8 mph - N/A   Clear
3:15 PM 62.6 °F - 35.6 °F 37% 30.30 in 10.0 mi South 8.1 mph - N/A   Clear
3:35 PM 62.6 °F - 35.6 °F 37% 30.30 in 10.0 mi SSE 6.9 mph - N/A   Clear
3:55 PM 62.6 °F - 35.6 °F 37% 30.31 in 10.0 mi South 5.8 mph - N/A   Clear
4:15 PM 60.8 °F - 35.6 °F 39% 30.31 in 10.0 mi SSE 4.6 mph - N/A   Clear
4:35 PM 59.0 °F - 37.4 °F 45% 30.31 in 10.0 mi South 4.6 mph - N/A   Clear
4:55 PM 57.2 °F - 35.6 °F 44% 30.32 in 10.0 mi SSE 5.8 mph - N/A   Clear
5:15 PM 55.4 °F - 35.6 °F 47% 30.32 in 10.0 mi SE 4.6 mph - N/A   Clear
5:35 PM 55.4 °F - 35.6 °F 47% 30.33 in 10.0 mi SE 4.6 mph - N/A   Clear
5:55 PM 55.4 °F - 37.4 °F 51% 30.34 in 10.0 mi SSE 6.9 mph - N/A   Clear
6:15 PM 55.4 °F - 37.4 °F 51% 30.34 in 10.0 mi SE 6.9 mph - N/A   Clear
6:35 PM 53.6 °F - 37.4 °F 54% 30.35 in 10.0 mi SE 3.5 mph - N/A   Clear
6:55 PM 51.8 °F - 37.4 °F 58% 30.35 in 10.0 mi SE 4.6 mph - N/A   Clear
7:15 PM 51.8 °F - 37.4 °F 58% 30.35 in 10.0 mi SE 4.6 mph - N/A   Clear
7:35 PM 48.2 °F - 37.4 °F 66% 30.35 in 10.0 mi SE 3.5 mph - N/A   Clear
7:55 PM 48.2 °F - 37.4 °F 66% 30.36 in 10.0 mi SE 3.5 mph - N/A   Clear
8:15 PM 46.4 °F 44.3 °F 37.4 °F 71% 30.36 in 10.0 mi SE 4.6 mph - N/A   Clear
8:35 PM 44.6 °F - 37.4 °F 76% 30.37 in 10.0 mi Calm Calm - N/A   Clear
8:55 PM 44.6 °F - 35.6 °F 71% 30.37 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 44.6 °F - 35.6 °F 71% 30.38 in 10.0 mi Calm Calm - N/A   Clear
9:35 PM 44.6 °F 43.1 °F 35.6 °F 71% 30.39 in 10.0 mi SE 3.5 mph - N/A   Clear
9:55 PM 46.4 °F - 35.6 °F 66% 30.39 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 44.6 °F - 35.6 °F 71% 30.39 in 10.0 mi Calm Calm - N/A   Clear
10:35 PM 44.6 °F - 35.6 °F 71% 30.39 in 10.0 mi Calm Calm - N/A   Clear
11:15 PM 42.8 °F - 35.6 °F 76% 30.39 in 10.0 mi Calm Calm - N/A   Clear
11:35 PM 42.8 °F - 35.6 °F 76% 30.39 in 10.0 mi Calm Calm - N/A   Clear
11:55 PM 42.8 °F - 35.6 °F 76% 30.39 in 10.0 mi Calm Calm - N/A   Clear