Weather History for Gaithersburg, MD

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Friday, June 22, 2012

  Actual Average (KCGS) Record (KCGS)
Temperature  
Mean Temperature 80 °F -  
Max Temperature 89 °F 84 °F 99 °F (1988)
Min Temperature 71 °F 63 °F 46 °F (1963)
Cooling Degree Days 15    
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 70 °F    
Average Humidity 67    
Maximum Humidity 94    
Minimum Humidity 43    
Precipitation  
Precipitation 0.19 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 3 mph (NW)    
Max Wind Speed 12 mph    
Max Gust Speed 16 mph    
Visibility 9 miles    
Events Thunderstorm    
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. 22, 2012 Rise Set
Actual Time 5:43 AM EDT 8:38 PM EDT
Civil Twilight 5:10 AM EDT 9:10 PM EDT
Nautical Twilight 4:29 AM EDT 9:51 PM EDT
Astronomical Twilight 3:42 AM EDT 10:38 PM EDT
Moon 8:39 AM EDT (6/22) 10:35 PM EDT (6/22)
Length of Visible Light 16h 00m
Length of Day
14h 55m
Waxing Crescent, 9% of the Moon is Illuminated
Jun 22
Waxing Crescent
Jun 26
First Quarter
Jul 3
Full
Jul 10
Last Quarter
Jul 19
New

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:35 AM - - - N/A% 29.89 in 10.0 mi NW 3.5 mph - N/A   Clear
12:55 AM - - - N/A% 29.89 in 10.0 mi Calm Calm - N/A   Clear
1:15 AM - - - N/A% 29.88 in 10.0 mi WNW 3.5 mph - N/A   Clear
1:35 AM - - - N/A% 29.88 in 10.0 mi NW 4.6 mph - N/A   Clear
1:55 AM - - - N/A% 29.88 in 10.0 mi NW 3.5 mph - N/A   Clear
2:15 AM - - - N/A% 29.88 in 10.0 mi Calm Calm - N/A   Scattered Clouds
2:35 AM - - - N/A% 29.87 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:15 AM - - - N/A% 29.86 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:35 AM - - - N/A% 29.86 in 10.0 mi NNW 3.5 mph - N/A   Mostly Cloudy
3:55 AM - - - N/A% 29.86 in 10.0 mi Calm Calm - N/A   Overcast
4:15 AM - - - N/A% 29.86 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:35 AM 75.2 °F - 69.8 °F 83% 29.87 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:55 AM - - - N/A% 29.86 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:15 AM - - - N/A% 29.86 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:35 AM 75.2 °F - 68.0 °F 78% 29.87 in 10.0 mi WNW 5.8 mph - N/A   Clear
5:55 AM 75.2 °F - 68.0 °F 78% 29.87 in 10.0 mi WNW 6.9 mph - N/A   Clear
6:15 AM - - - N/A% 29.87 in 10.0 mi NW 4.6 mph - N/A   Clear
6:35 AM - - - N/A% 29.87 in 10.0 mi Calm Calm - N/A   Clear
6:55 AM 73.4 °F - 69.8 °F 88% 29.88 in 8.0 mi Calm Calm - N/A   Clear
7:15 AM 75.2 °F - 69.8 °F 83% 29.88 in 10.0 mi Calm Calm - N/A   Clear
7:35 AM 77.0 °F - 69.8 °F 78% 29.88 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:55 AM 78.8 °F - 69.8 °F 74% 29.88 in 10.0 mi NW 3.5 mph - N/A   Clear
8:15 AM - - - N/A% 29.87 in 10.0 mi NW 8.1 mph - N/A   Clear
8:35 AM - - - N/A% 29.87 in 10.0 mi NW 6.9 mph - N/A   Clear
8:55 AM 78.8 °F - 69.8 °F 74% 29.88 in 10.0 mi NW 8.1 mph - N/A   Clear
9:15 AM 78.8 °F - 69.8 °F 74% 29.88 in 9.0 mi NNW 4.6 mph - N/A   Clear
9:35 AM - - - N/A% 29.87 in 10.0 mi WNW 4.6 mph - N/A   Clear
9:55 AM 80.6 °F 84.6 °F 71.6 °F 74% 29.88 in 10.0 mi NW 5.8 mph - N/A   Clear
10:15 AM 80.6 °F 83.9 °F 69.8 °F 70% 29.88 in 10.0 mi WNW 3.5 mph - N/A   Partly Cloudy
10:35 AM 80.6 °F 84.6 °F 71.6 °F 74% 29.89 in 10.0 mi NW 4.6 mph - N/A   Partly Cloudy
11:15 AM 82.4 °F 87.2 °F 71.6 °F 70% 29.89 in 10.0 mi WNW 6.9 mph - N/A   Partly Cloudy
11:35 AM 84.2 °F 90.9 °F 73.4 °F 70% 29.89 in 10.0 mi NW 6.9 mph - N/A   Clear
11:55 AM 87.8 °F 95.6 °F 73.4 °F 62% 29.88 in 10.0 mi NW 6.9 mph - N/A   Clear
12:15 PM 87.8 °F 93.8 °F 71.6 °F 58% 29.88 in 10.0 mi NNW 9.2 mph - N/A   Scattered Clouds
12:35 PM 87.8 °F 93.8 °F 71.6 °F 58% 29.88 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
12:55 PM 87.8 °F 93.8 °F 71.6 °F 58% 29.88 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
1:15 PM 89.6 °F 96.2 °F 71.6 °F 55% 29.87 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
1:35 PM 89.6 °F 96.2 °F 71.6 °F 55% 29.87 in 10.0 mi NW 4.6 mph - N/A   Overcast
1:55 PM 89.6 °F 96.2 °F 71.6 °F 55% 29.86 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
2:15 PM 89.6 °F 94.7 °F 69.8 °F 52% 29.84 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
2:35 PM 89.6 °F 92.2 °F 66.2 °F 46% 29.84 in 10.0 mi NW 8.1 mph - N/A   Clear
2:55 PM 89.6 °F 91.1 °F 64.4 °F 43% 29.83 in 10.0 mi WNW 11.5 mph 16.1 mph N/A   Clear
3:15 PM 89.6 °F 92.2 °F 66.2 °F 46% 29.82 in 10.0 mi NW 9.2 mph - N/A   Clear
3:35 PM 89.6 °F 91.1 °F 64.4 °F 43% 29.82 in 10.0 mi NNW 6.9 mph - N/A   Clear
3:55 PM 86.0 °F 88.2 °F 66.2 °F 51% 29.81 in 10.0 mi NW 4.6 mph - N/A   Clear
4:15 PM - - - N/A% 29.80 in 10.0 mi WNW 4.6 mph - N/A   Clear
4:35 PM - - - N/A% 29.80 in 10.0 mi NW 4.6 mph - N/A   Clear
4:55 PM - - - N/A% 29.79 in 10.0 mi WNW 4.6 mph - N/A   Clear
5:15 PM - - - N/A% 29.80 in 10.0 mi NW 4.6 mph - N/A   Clear
5:35 PM - - - N/A% 29.81 in 10.0 mi Calm Calm - N/A   Clear
5:55 PM - - - N/A% 29.78 in 10.0 mi WNW 3.5 mph - N/A   Clear
6:15 PM - - - N/A% 29.79 in 10.0 mi NNW 5.8 mph - N/A   Clear
6:35 PM - - - N/A% 29.82 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
6:55 PM - - - N/A% 29.83 in 10.0 mi NE 5.8 mph - N/A   Clear
7:15 PM - - - N/A% 29.84 in 10.0 mi ENE 4.6 mph - N/A Thunderstorm Clear
7:35 PM - - - N/A% 29.87 in 4.0 mi SW 5.8 mph - 0.02 in Thunderstorm Thunderstorm
7:55 PM - - - N/A% 29.88 in 3.0 mi Calm Calm - 0.11 in Thunderstorm Thunderstorm
8:15 PM 71.6 °F - 68.0 °F 88% 29.88 in 3.0 mi WNW 5.8 mph - 0.04 in Thunderstorm Overcast
8:35 PM 71.6 °F - 69.8 °F 94% 29.88 in 4.0 mi Calm Calm - 0.07 in   Mostly Cloudy
8:55 PM - - - N/A% 29.87 in 3.0 mi Calm Calm - 0.08 in   Partly Cloudy
9:15 PM - - - N/A% 29.88 in 2.5 mi Calm Calm - N/A   Clear
9:35 PM - - - N/A% 29.88 in 4.0 mi Calm Calm - N/A   Clear
9:55 PM - - - N/A% 29.88 in 3.0 mi Calm Calm - N/A   Clear
10:15 PM - - - N/A% 29.88 in 3.0 mi Calm Calm - N/A   Clear
10:35 PM - - - N/A% 29.89 in 3.0 mi NW 3.5 mph - N/A   Clear
10:55 PM - - - N/A% 29.89 in 4.0 mi Calm Calm - N/A   Clear
11:15 PM - - - N/A% 29.89 in 5.0 mi Calm Calm - N/A   Clear
11:35 PM - - - N/A% 29.89 in 5.0 mi Calm Calm - N/A   Clear
11:55 PM - - - N/A% 29.90 in 3.0 mi Calm Calm - N/A   Partly Cloudy