Baltimore, MD

5:32 PM EDT on October 21, 2017 (GMT -0400)
Baltimore-Washington International

Weather History for KBWI - December, 2011

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Monday, December 19, 2011

  Actual Average Record
Temperature  
Mean Temperature 37 °F 36 °F  
Max Temperature 51 °F 44 °F 66 °F (1931)
Min Temperature 23 °F 27 °F 6 °F (1989)
Degree Days  
Heating Degree Days 28 29  
Month to date heating degree days 437 510  
Since 1 July heating degree days 1151 1414  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1558 1164  
Moisture  
Dew Point 26 °F    
Average Humidity 65    
Maximum Humidity 88    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.10 in 1.58 in (1936)
Month to date precipitation 2.64 2.16  
Year to date precipitation 54.66 40.67  
Snow  
Snow 0.00 in 0.10 in 17.00 in (2009)
Month to date snowfall T 1.6  
Since 1 July snowfall T 2.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 5 mph (SW)    
Max Wind Speed 13 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 19, 2011 Rise Set
Actual Time 7:21 AM EST 4:46 PM EST
Civil Twilight 6:51 AM EST 5:16 PM EST
Nautical Twilight 6:17 AM EST 5:49 PM EST
Astronomical Twilight 5:44 AM EST 6:22 PM EST
Moon 1:30 AM EST (12/19) 12:42 PM EST (12/19)
Length of Visible Light 10h 25m
Length of Day
9h 24m
Waning Crescent, 31% of the Moon is Illuminated
Dec 19
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 27.0 °F - 23.0 °F 85% 30.30 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 25.0 °F - 21.9 °F 88% 30.31 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 26.1 °F - 21.9 °F 84% 30.30 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 25.0 °F 20.7 °F 21.0 °F 85% 30.29 in 10.0 mi SW 3.5 mph - N/A   Clear
4:54 AM 27.0 °F 23.0 °F 23.0 °F 85% 30.28 in 10.0 mi SSW 3.5 mph - N/A   Clear
5:54 AM 26.1 °F 21.9 °F 21.9 °F 84% 30.28 in 10.0 mi SSW 3.5 mph - N/A   Clear
6:54 AM 28.0 °F - 23.0 °F 81% 30.27 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:54 AM 28.9 °F 25.2 °F 24.1 °F 82% 30.26 in 10.0 mi SW 3.5 mph - N/A   Scattered Clouds
8:54 AM 33.1 °F 26.9 °F 26.1 °F 75% 30.26 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
9:54 AM 37.0 °F 29.3 °F 27.0 °F 67% 30.25 in 10.0 mi SW 11.5 mph 16.1 mph N/A   Partly Cloudy
10:54 AM 41.0 °F 35.8 °F 27.0 °F 57% 30.22 in 10.0 mi SSW 8.1 mph - N/A   Partly Cloudy
11:54 AM 45.0 °F 41.2 °F 27.0 °F 49% 30.17 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
12:54 PM 46.9 °F - 26.1 °F 44% 30.14 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
1:54 PM 48.9 °F - 26.1 °F 41% 30.11 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
2:54 PM 48.0 °F - 27.0 °F 44% 30.09 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
3:54 PM 48.9 °F - 28.0 °F 44% 30.09 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
4:54 PM 48.2 °F - 26.6 °F 43% 30.07 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
5:54 PM 48.9 °F - 28.0 °F 44% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:54 PM 48.0 °F - 28.0 °F 46% 30.08 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:54 PM 48.9 °F - 28.0 °F 44% 30.06 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
8:54 PM 50.0 °F - 28.0 °F 43% 30.07 in 10.0 mi SW 3.5 mph - N/A   Overcast
9:54 PM 50.0 °F - 28.9 °F 44% 30.05 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
10:54 PM 50.0 °F - 30.0 °F 46% 30.06 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
11:54 PM 50.0 °F - 30.0 °F 46% 30.06 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy