Weather History for Gaithersburg, MD

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Monday, June 11, 2012

  Actual Average (KCGS) Record (KCGS)
Temperature  
Mean Temperature 74 °F -  
Max Temperature 86 °F 83 °F 96 °F (1964)
Min Temperature 62 °F 60 °F 42 °F (1972)
Cooling Degree Days 9    
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 64    
Maximum Humidity 94    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.13 in    
Wind  
Wind Speed 3 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 22 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

Jun. 11, 2012 Rise Set
Actual Time 5:41 AM EDT 8:35 PM EDT
Civil Twilight 5:09 AM EDT 9:07 PM EDT
Nautical Twilight 4:29 AM EDT 9:47 PM EDT
Astronomical Twilight 3:42 AM EDT 10:34 PM EDT
Moon 12:57 AM EDT (6/11) 1:25 PM EDT (6/11)
Length of Visible Light 15h 57m
Length of Day
14h 53m
Waning Gibbous, 48% of the Moon is Illuminated
Jun 11
Waning Gibbous
Jun 19
New
Jun 26
First Quarter
Jul 3
Full
Jul 10
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
12:15 AM 68.0 °F - 60.8 °F 78% 30.15 in 10.0 mi Calm Calm - N/A   Clear
12:35 AM 66.2 °F - 62.6 °F 88% 30.14 in 10.0 mi Calm Calm - N/A   Clear
12:55 AM 66.2 °F - 60.8 °F 83% 30.14 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM 68.0 °F - 60.8 °F 78% 30.14 in 10.0 mi Calm Calm - N/A   Clear
1:35 AM 66.2 °F - 62.6 °F 88% 30.13 in 10.0 mi Calm Calm - N/A   Clear
1:55 AM 66.2 °F - 60.8 °F 83% 30.13 in 10.0 mi Calm Calm - N/A   Clear
2:15 AM 66.2 °F - 60.8 °F 83% 30.13 in 10.0 mi Calm Calm - N/A   Clear
2:35 AM - - - N/A% 30.12 in 10.0 mi Calm Calm - N/A   Clear
2:55 AM - - - N/A% 30.12 in 10.0 mi Calm Calm - N/A   Clear
3:15 AM - - - N/A% 30.12 in 10.0 mi Calm Calm - N/A   Clear
3:35 AM - - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Clear
3:55 AM 64.4 °F - 60.8 °F 88% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:15 AM 64.4 °F - 60.8 °F 88% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:35 AM 64.4 °F - 60.8 °F 88% 30.12 in 10.0 mi Calm Calm - N/A   Clear
4:55 AM 64.4 °F - 60.8 °F 88% 30.13 in 10.0 mi Calm Calm - N/A   Clear
5:15 AM 64.4 °F - 60.8 °F 88% 30.13 in 10.0 mi Calm Calm - N/A   Clear
5:35 AM 62.6 °F - 60.8 °F 94% 30.14 in 10.0 mi Calm Calm - N/A   Clear
5:55 AM 62.6 °F - 60.8 °F 94% 30.14 in 9.0 mi Calm Calm - N/A   Clear
6:15 AM 64.4 °F - 60.8 °F 88% 30.15 in 10.0 mi Calm Calm - N/A   Clear
6:35 AM 66.2 °F - 62.6 °F 88% 30.15 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 68.0 °F - 64.4 °F 88% 30.16 in 10.0 mi SSE 4.6 mph - N/A   Clear
7:15 AM 68.0 °F - 64.4 °F 88% 30.16 in 10.0 mi Calm Calm - N/A   Clear
7:55 AM 71.6 °F - 66.2 °F 83% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:15 AM 73.4 °F - 64.4 °F 73% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:35 AM 75.2 °F - 66.2 °F 73% 30.17 in 10.0 mi Calm Calm - N/A   Clear
8:55 AM - - - N/A% 30.16 in 10.0 mi Calm Calm - N/A   Clear
9:15 AM 80.6 °F 82.3 °F 64.4 °F 58% 30.17 in 10.0 mi Calm Calm - N/A   Clear
9:35 AM 80.6 °F 82.7 °F 66.2 °F 61% 30.17 in 10.0 mi SSE 5.8 mph - N/A   Clear
9:55 AM 82.4 °F 83.9 °F 64.4 °F 54% 30.17 in 10.0 mi SW 3.5 mph - N/A   Clear
10:15 AM 82.4 °F 83.4 °F 62.6 °F 51% 30.17 in 10.0 mi South 6.9 mph - N/A   Clear
10:35 AM 84.2 °F 84.4 °F 60.8 °F 45% 30.17 in 10.0 mi SE 3.5 mph - N/A   Clear
10:55 AM 84.2 °F 85.0 °F 62.6 °F 48% 30.17 in 10.0 mi SSW 5.8 mph - N/A   Clear
11:15 AM 84.2 °F 85.0 °F 62.6 °F 48% 30.17 in 10.0 mi SSW 8.1 mph - N/A   Clear
11:35 AM 84.2 °F 85.0 °F 62.6 °F 48% 30.17 in 10.0 mi South 11.5 mph - N/A   Clear
11:55 AM 84.2 °F 85.0 °F 62.6 °F 48% 30.17 in 10.0 mi South 9.2 mph - N/A   Clear
12:15 PM 84.2 °F 85.0 °F 62.6 °F 48% 30.16 in 10.0 mi South 12.7 mph 16.1 mph N/A   Partly Cloudy
12:35 PM 84.2 °F 84.4 °F 60.8 °F 45% 30.16 in 10.0 mi South 10.4 mph - N/A   Partly Cloudy
12:55 PM 84.2 °F 84.4 °F 60.8 °F 45% 30.16 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
1:15 PM 84.2 °F 84.4 °F 60.8 °F 45% 30.16 in 10.0 mi SSW 8.1 mph 17.3 mph N/A   Mostly Cloudy
1:35 PM 84.2 °F 84.4 °F 60.8 °F 45% 30.15 in 10.0 mi South 10.4 mph - N/A   Overcast
1:55 PM 86.0 °F 86.1 °F 60.8 °F 43% 30.14 in 10.0 mi South 13.8 mph 18.4 mph N/A   Scattered Clouds
2:15 PM 84.2 °F 83.5 °F 57.2 °F 40% 30.14 in 10.0 mi South 10.4 mph 21.9 mph N/A   Partly Cloudy
2:35 PM 86.0 °F 86.1 °F 60.8 °F 43% 30.13 in 10.0 mi South 8.1 mph - N/A   Mostly Cloudy
2:55 PM 82.4 °F 82.9 °F 60.8 °F 48% 30.13 in 10.0 mi South 10.4 mph - N/A   Mostly Cloudy
3:15 PM 82.4 °F 82.9 °F 60.8 °F 48% 30.13 in 10.0 mi SSW 6.9 mph - N/A   Partly Cloudy
3:35 PM 84.2 °F 84.4 °F 60.8 °F 45% 30.12 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
3:55 PM 84.2 °F 84.4 °F 60.8 °F 45% 30.11 in 10.0 mi South 6.9 mph 16.1 mph N/A   Partly Cloudy
4:15 PM 84.2 °F 84.4 °F 60.8 °F 45% 30.11 in 10.0 mi South 9.2 mph 18.4 mph N/A   Mostly Cloudy
4:35 PM 84.2 °F 84.4 °F 60.8 °F 45% 30.11 in 10.0 mi South 6.9 mph - N/A   Partly Cloudy
4:55 PM - - - N/A% 30.09 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
5:15 PM 82.4 °F 83.4 °F 62.6 °F 51% 30.10 in 10.0 mi South 6.9 mph 16.1 mph N/A   Scattered Clouds
5:35 PM 82.4 °F 82.9 °F 60.8 °F 48% 30.10 in 10.0 mi South 4.6 mph - N/A   Clear
5:55 PM 84.2 °F 85.0 °F 62.6 °F 48% 30.10 in 10.0 mi South 11.5 mph 16.1 mph N/A   Partly Cloudy
6:15 PM 82.4 °F 82.9 °F 60.8 °F 48% 30.10 in 10.0 mi South 9.2 mph - N/A   Clear
6:35 PM 82.4 °F 83.4 °F 62.6 °F 51% 30.10 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
6:55 PM - - - N/A% 30.10 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
7:15 PM 78.8 °F - 62.6 °F 57% 30.11 in 10.0 mi WSW 3.5 mph - N/A   Clear
7:35 PM - - - N/A% 30.10 in 10.0 mi WSW 4.6 mph - N/A   Clear
7:55 PM - - - N/A% 30.10 in 10.0 mi Calm Calm - N/A   Clear
8:15 PM 77.0 °F - 62.6 °F 61% 30.10 in 10.0 mi WSW 3.5 mph - N/A   Clear
8:35 PM 77.0 °F - 60.8 °F 57% 30.10 in 10.0 mi SW 4.6 mph - N/A   Clear
8:55 PM 75.2 °F - 60.8 °F 61% 30.10 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 75.2 °F - 62.6 °F 65% 30.11 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:35 PM 75.2 °F - 62.6 °F 65% 30.11 in 10.0 mi SW 3.5 mph - N/A   Overcast
9:55 PM - - - N/A% 30.11 in 10.0 mi WSW 3.5 mph - N/A   Mostly Cloudy
10:15 PM - - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
10:35 PM - - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:55 PM - - - N/A% 30.10 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
11:15 PM 75.2 °F - 62.6 °F 65% 30.11 in 10.0 mi WSW 3.5 mph - N/A   Overcast
11:35 PM - - - N/A% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
11:55 PM 73.4 °F - 62.6 °F 69% 30.11 in 10.0 mi SSW 3.5 mph - N/A   Overcast