History for Gaithersburg, MD

Tuesday, May 15, 2012 — View Current Conditions
Tuesday, May 15, 2012
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Daily Weekly Monthly Custom
  Actual Average (KCGS) Record (KCGS)
Temperature
Mean Temperature 70 °F -  
Max Temperature 77 °F 76 °F 96 °F (1962)
Min Temperature 62 °F 54 °F 39 °F (1951)
Cooling Degree Days 4    
Growing Degree Days 20 (Base 50)    
Moisture
Dew Point 63 °F    
Average Humidity 82    
Maximum Humidity 100    
Minimum Humidity 57    
Precipitation
Precipitation 0.29 in - - ()
Sea Level Pressure
Sea Level Pressure 29.98 in    
Wind
Wind Speed 5 mph (SW)    
Max Wind Speed 10 mph    
Max Gust Speed -    
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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Local Photos
Kousa Dogwood
The heart of a peony.
Cloud
Menacing storm approaching.
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Astronomy
May. 24, 2013 Rise Set
Actual Time 5:55 AM EDT 8:15 PM EDT
Civil Twilight 5:24 AM EDT 8:45 PM EDT
Nautical Twilight 4:47 AM EDT 9:23 PM EDT
Astronomical Twilight 4:06 AM EDT 10:04 PM EDT
Moon 2:54 AM EDT (5/15) 3:33 PM EDT (5/15)
Length Of Visible Light 15h 20m
Length of Day
14h 20m
Waning Crescent, 24% of the Moon is Illuminated
May 15
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
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Hourly Observations
Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:15 AM 62.6 °F 60.8 °F 94% 30.05 in 10.0 mi SE 4.6 mph - N/A   Overcast
12:35 AM 62.6 °F 60.8 °F 94% 30.05 in 10.0 mi ESE 4.6 mph - N/A   Overcast
12:55 AM 62.6 °F 60.8 °F 94% 30.04 in 7.0 mi SE 4.6 mph - N/A   Overcast
1:15 AM 62.6 °F 60.8 °F 94% 30.03 in 7.0 mi SE 4.6 mph - N/A   Overcast
1:35 AM 62.6 °F 60.8 °F 94% 30.03 in 8.0 mi SE 5.8 mph - N/A   Overcast
1:55 AM 62.6 °F 62.6 °F 100% 30.02 in 9.0 mi SE 8.1 mph - N/A   Overcast
2:15 AM 62.6 °F 62.6 °F 100% 30.01 in 10.0 mi SE 6.9 mph - N/A   Overcast
2:35 AM 62.6 °F 62.6 °F 100% 30.01 in 9.0 mi SE 8.1 mph - N/A   Overcast
2:55 AM 64.4 °F 62.6 °F 94% 30.00 in 9.0 mi SSE 8.1 mph - N/A   Overcast
3:15 AM 64.4 °F 62.6 °F 94% 30.00 in 6.0 mi SSE 5.8 mph - 0.01 in   Mostly Cloudy
3:35 AM 64.4 °F 62.6 °F 94% 29.99 in 7.0 mi SSE 6.9 mph - 0.01 in   Overcast
3:55 AM 64.4 °F 62.6 °F 94% 29.99 in 7.0 mi SSE 5.8 mph - 0.01 in   Overcast
4:15 AM 64.4 °F 62.6 °F 94% 29.98 in 6.0 mi SSE 4.6 mph - 0.02 in   Overcast
4:35 AM 64.4 °F 62.6 °F 94% 29.98 in 5.0 mi SE 4.6 mph - 0.08 in   Overcast
4:55 AM 64.4 °F 62.6 °F 94% 29.98 in 7.0 mi Calm Calm - 0.10 in   Overcast
5:15 AM 64.4 °F 62.6 °F 94% 29.98 in 5.0 mi SSE 6.9 mph - 0.01 in   Overcast
5:35 AM 64.4 °F 62.6 °F 94% 29.98 in 8.0 mi South 8.1 mph - 0.05 in   Overcast
5:55 AM 64.4 °F 62.6 °F 94% 29.98 in 10.0 mi SSE 9.2 mph - 0.12 in   Overcast
6:15 AM 64.4 °F 62.6 °F 94% 29.99 in 8.0 mi South 5.8 mph - 0.04 in   Overcast
6:35 AM 64.4 °F 62.6 °F 94% 29.99 in 8.0 mi South 5.8 mph - 0.06 in   Overcast
6:55 AM 64.4 °F 62.6 °F 94% 29.99 in 8.0 mi South 5.8 mph - 0.06 in   Overcast
7:15 AM 64.4 °F 62.6 °F 94% 29.99 in 9.0 mi South 3.5 mph - N/A   Overcast
7:35 AM 64.4 °F 62.6 °F 94% 29.99 in 9.0 mi SSW 4.6 mph - N/A   Overcast
7:55 AM 64.4 °F 64.4 °F 100% 29.99 in 10.0 mi SSW 5.8 mph - N/A   Overcast
8:15 AM 64.4 °F 62.6 °F 94% 29.99 in 10.0 mi SSW 3.5 mph - N/A   Overcast
8:35 AM 66.2 °F 62.6 °F 88% 29.99 in 10.0 mi South 5.8 mph - N/A   Overcast
8:55 AM 66.2 °F 64.4 °F 94% 30.00 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
9:15 AM 66.2 °F 64.4 °F 94% 30.00 in 10.0 mi SW 3.5 mph - N/A   Overcast
9:35 AM 69.8 °F 64.4 °F 83% 30.00 in 10.0 mi SSW 5.8 mph - N/A   Overcast
9:55 AM 69.8 °F 64.4 °F 83% 29.99 in 10.0 mi West 4.6 mph - N/A   Overcast
10:15 AM 69.8 °F 64.4 °F 83% 29.99 in 10.0 mi WNW 5.8 mph - N/A   Overcast
10:35 AM 69.8 °F 64.4 °F 83% 30.00 in 10.0 mi NW 6.9 mph - N/A   Overcast
10:55 AM 69.8 °F 64.4 °F 83% 30.00 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
11:15 AM 71.6 °F 64.4 °F 78% 29.99 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
11:35 AM 69.8 °F 64.4 °F 83% 29.99 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
11:55 AM 71.6 °F 64.4 °F 78% 29.99 in 10.0 mi NW 4.6 mph - N/A   Overcast
12:15 PM 71.6 °F 64.4 °F 78% 29.99 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
12:35 PM 73.4 °F 64.4 °F 73% 29.99 in 10.0 mi WSW 5.8 mph - N/A   Mostly Cloudy
12:55 PM 73.4 °F 62.6 °F 69% 29.98 in 10.0 mi WNW 6.9 mph - N/A   Mostly Cloudy
1:15 PM 73.4 °F 64.4 °F 73% 29.98 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
1:35 PM 75.2 °F 62.6 °F 65% 29.98 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
1:55 PM 73.4 °F 62.6 °F 69% 29.98 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
2:15 PM 75.2 °F 64.4 °F 69% 29.98 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
2:35 PM 73.4 °F 62.6 °F 69% 29.97 in 10.0 mi NNW 4.6 mph - N/A   Overcast
3:15 PM 75.2 °F 62.6 °F 65% 29.96 in 10.0 mi West 6.9 mph - N/A   Clear
3:35 PM 75.2 °F 62.6 °F 65% 29.96 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:55 PM 77.0 °F 62.6 °F 61% 29.96 in 10.0 mi West 4.6 mph - N/A   Clear
4:15 PM 77.0 °F 60.8 °F 57% 29.95 in 10.0 mi WNW 3.5 mph - N/A   Clear
4:35 PM 77.0 °F 62.6 °F 61% 29.95 in 10.0 mi NW 6.9 mph - N/A   Clear
4:55 PM 77.0 °F 60.8 °F 57% 29.94 in 10.0 mi NW 8.1 mph - N/A   Clear
5:15 PM 77.0 °F 62.6 °F 61% 29.94 in 10.0 mi NW 5.8 mph - N/A   Clear
5:35 PM 77.0 °F 60.8 °F 57% 29.94 in 10.0 mi WNW 4.6 mph - N/A   Partly Cloudy
5:55 PM 77.0 °F 62.6 °F 61% 29.94 in 10.0 mi Calm Calm - N/A   Clear
6:15 PM 75.2 °F 60.8 °F 61% 29.94 in 10.0 mi NW 5.8 mph - N/A   Clear
6:35 PM 75.2 °F 60.8 °F 61% 29.94 in 10.0 mi NW 5.8 mph - N/A   Partly Cloudy
7:15 PM 71.6 °F 62.6 °F 73% 29.95 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:35 PM 71.6 °F 62.6 °F 73% 29.96 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:55 PM 69.8 °F 62.6 °F 78% 29.96 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:15 PM 69.8 °F 62.6 °F 78% 29.97 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:35 PM 68.0 °F 62.6 °F 83% 29.97 in 10.0 mi NW 3.5 mph - N/A   Partly Cloudy
8:55 PM 68.0 °F 62.6 °F 83% 29.96 in 10.0 mi Calm Calm - N/A   Clear
9:15 PM 68.0 °F 64.4 °F 88% 29.96 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:35 PM 66.2 °F 62.6 °F 88% 29.97 in 10.0 mi Calm Calm - N/A   Clear
9:55 PM 68.0 °F 62.6 °F 83% 29.96 in 10.0 mi Calm Calm - N/A   Clear
10:15 PM 68.0 °F 62.6 °F 83% 29.98 in 10.0 mi SE 4.6 mph - N/A   Clear
10:35 PM 68.0 °F 62.6 °F 83% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:55 PM 69.8 °F 62.6 °F 78% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:15 PM 69.8 °F 62.6 °F 78% 29.99 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
11:35 PM 68.0 °F 64.4 °F 88% 29.98 in 10.0 mi South 3.5 mph - N/A   Clear
11:55 PM 66.2 °F 62.6 °F 88% 29.98 in 10.0 mi SSE 4.6 mph - N/A   Clear
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