Weather History for Leonardtown, MD

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Monday, May 20, 2013

  Actual Average (KNHK) Record (KNHK)
Temperature  
Mean Temperature 72 °F -  
Max Temperature 80 °F 75 °F 87 °F (1985)
Min Temperature 64 °F 58 °F 44 °F (2002)
Cooling Degree Days 7    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 80    
Maximum Humidity 94    
Minimum Humidity 58    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 2 mph (SSW)    
Max Wind Speed 9 mph    
Max Gust Speed 16 mph    
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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Date:

Astronomy

May. 20, 2013 Rise Set
Actual Time 5:50 AM EDT 8:15 PM EDT
Civil Twilight 5:20 AM EDT 8:45 PM EDT
Nautical Twilight 4:43 AM EDT 9:22 PM EDT
Astronomical Twilight 4:02 AM EDT 10:03 PM EDT
Moon 3:24 PM EDT (5/20) 2:40 AM EDT (5/20)
Length of Visible Light 15h 24m
Length of Day
14h 24m
Waxing Gibbous, 75% of the Moon is Illuminated
May 20
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:13 AM 66.2 °F - 62.6 °F 88% 30.15 in 7.0 mi Calm Calm - N/A   Overcast
12:33 AM 66.2 °F - 62.6 °F 88% 30.14 in 10.0 mi Calm Calm - N/A   Overcast
12:53 AM 66.2 °F - 62.6 °F 88% 30.13 in 10.0 mi SE 3.5 mph - N/A   Overcast
1:13 AM 66.2 °F - 62.6 °F 88% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:33 AM 64.4 °F - 62.6 °F 94% 30.12 in 10.0 mi Calm Calm - N/A   Scattered Clouds
1:53 AM 64.4 °F - 62.6 °F 94% 30.12 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:13 AM 64.4 °F - 62.6 °F 94% 30.11 in 7.0 mi Calm Calm - N/A   Overcast
2:33 AM 64.4 °F - 62.6 °F 94% 30.10 in 5.0 mi Calm Calm - N/A   Mostly Cloudy
2:53 AM 64.4 °F - 62.6 °F 94% 30.10 in 7.0 mi Calm Calm - N/A   Clear
3:13 AM 64.4 °F - 62.6 °F 94% 30.10 in 10.0 mi Calm Calm - N/A   Clear
3:33 AM 64.4 °F - 62.6 °F 94% 30.10 in 10.0 mi Calm Calm - N/A   Scattered Clouds
3:53 AM 64.4 °F - 62.6 °F 94% 30.10 in 10.0 mi SSW 3.5 mph - N/A   Overcast
4:13 AM 64.4 °F - 62.6 °F 94% 30.09 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
4:33 AM 64.4 °F - 62.6 °F 94% 30.09 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 64.4 °F - 62.6 °F 94% 30.10 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
5:13 AM 64.4 °F - 62.6 °F 94% 30.10 in 10.0 mi Calm Calm - N/A   Clear
5:33 AM 64.4 °F - 62.6 °F 94% 30.10 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM 64.4 °F - 62.6 °F 94% 30.11 in 7.0 mi Calm Calm - N/A   Overcast
6:13 AM 64.4 °F - 62.6 °F 94% 30.11 in 7.0 mi Calm Calm - N/A   Overcast
6:33 AM 64.4 °F - 62.6 °F 94% 30.12 in 7.0 mi Calm Calm - N/A   Overcast
6:54 AM 64.4 °F - 62.6 °F 94% 30.12 in 7.0 mi Calm Calm - N/A   Overcast
7:14 AM 66.2 °F - 62.6 °F 88% 30.12 in 4.0 mi Calm Calm - N/A   Overcast
7:34 AM 66.2 °F - 62.6 °F 88% 30.13 in 7.0 mi Calm Calm - N/A   Overcast
8:14 AM 68.0 °F - 64.4 °F 88% 30.13 in 7.0 mi South 3.5 mph - N/A   Overcast
8:34 AM 68.0 °F - 64.4 °F 88% 30.13 in 7.0 mi SW 5.8 mph - N/A   Overcast
8:54 AM 68.0 °F - 64.4 °F 88% 30.13 in 10.0 mi SW 6.9 mph - N/A   Overcast
9:14 AM 68.0 °F - 64.4 °F 88% 30.13 in 10.0 mi SSW 6.9 mph - N/A   Overcast
9:34 AM 69.8 °F - 64.4 °F 83% 30.12 in 10.0 mi SW 9.2 mph 16.1 mph N/A   Overcast
10:14 AM 69.8 °F - 64.4 °F 83% 30.12 in 10.0 mi SW 8.1 mph - N/A   Overcast
10:34 AM 71.6 °F - 64.4 °F 78% 30.13 in 10.0 mi SW 9.2 mph - N/A   Overcast
10:54 AM 71.6 °F - 64.4 °F 78% 30.13 in 10.0 mi SW 8.1 mph - N/A   Overcast
11:34 AM 71.6 °F - 64.4 °F 78% 30.12 in 10.0 mi SSW 5.8 mph - N/A   Overcast
11:54 AM 71.6 °F - 64.4 °F 78% 30.11 in 10.0 mi WSW 5.8 mph - N/A   Overcast
12:14 PM 73.4 °F - 64.4 °F 73% 30.10 in 10.0 mi West 8.1 mph - N/A   Overcast
12:34 PM 75.2 °F - 66.2 °F 73% 30.09 in 10.0 mi West 5.8 mph - N/A   Overcast
12:54 PM 77.0 °F - 64.4 °F 65% 30.08 in 10.0 mi SW 8.1 mph - N/A   Overcast
1:14 PM 77.0 °F - 64.4 °F 65% 30.07 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
1:34 PM 78.8 °F - 64.4 °F 61% 30.07 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
1:54 PM 78.8 °F - 64.4 °F 61% 30.07 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
2:14 PM 80.6 °F 82.3 °F 64.4 °F 58% 30.06 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
2:54 PM 78.8 °F - 64.4 °F 61% 30.06 in 10.0 mi South 4.6 mph - N/A   Overcast
3:14 PM 78.8 °F - 66.2 °F 65% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
3:35 PM 77.0 °F - 66.2 °F 69% 30.05 in 10.0 mi Calm Calm - N/A   Overcast
3:55 PM 78.8 °F - 66.2 °F 65% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
4:15 PM 78.8 °F - 66.2 °F 65% 30.03 in 10.0 mi SW 3.5 mph - N/A   Overcast
4:35 PM 77.0 °F - 66.2 °F 69% 30.03 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:55 PM 75.2 °F - 66.2 °F 73% 30.03 in 10.0 mi SSE 5.8 mph - N/A   Overcast
5:15 PM 77.0 °F - 66.2 °F 69% 30.03 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
5:35 PM 78.8 °F - 64.4 °F 61% 30.03 in 10.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
5:55 PM 77.0 °F - 66.2 °F 69% 30.02 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:15 PM 77.0 °F - 66.2 °F 69% 30.02 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
6:35 PM 77.0 °F - 66.2 °F 69% 30.02 in 10.0 mi SSE 3.5 mph - N/A   Scattered Clouds
6:55 PM 77.0 °F - 66.2 °F 69% 30.02 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
7:15 PM 77.0 °F - 66.2 °F 69% 30.03 in 10.0 mi South 3.5 mph - N/A   Clear
7:35 PM 77.0 °F - 66.2 °F 69% 30.03 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds
7:55 PM 75.2 °F - 64.4 °F 69% 30.03 in 10.0 mi South 3.5 mph - N/A   Clear
8:15 PM 73.4 °F - 64.4 °F 73% 30.03 in 10.0 mi South 4.6 mph - N/A   Clear
8:35 PM 73.4 °F - 64.4 °F 73% 30.03 in 10.0 mi South 3.5 mph - N/A   Clear
8:55 PM 73.4 °F - 64.4 °F 73% 30.03 in 10.0 mi South 4.6 mph - N/A   Clear
9:15 PM 71.6 °F - 64.4 °F 78% 30.02 in 10.0 mi South 3.5 mph - N/A   Clear
9:35 PM 71.6 °F - 64.4 °F 78% 30.03 in 10.0 mi South 5.8 mph - N/A   Clear
10:15 PM 71.6 °F - 62.6 °F 73% 30.04 in 10.0 mi SSW 3.5 mph - N/A   Clear
10:35 PM 69.8 °F - 62.6 °F 78% 30.04 in 10.0 mi SW 4.6 mph - N/A   Clear
10:55 PM 69.8 °F - 64.4 °F 83% 30.04 in 10.0 mi SSW 4.6 mph - N/A   Clear
11:15 PM 69.8 °F - 64.4 °F 83% 30.04 in 10.0 mi SW 3.5 mph - N/A   Clear
11:35 PM 68.0 °F - 64.4 °F 88% 30.04 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:55 PM 68.0 °F - 64.4 °F 88% 30.03 in 10.0 mi South 3.5 mph - N/A   Scattered Clouds