Baltimore, MD

7:23 PM EDT on May 23, 2018 (GMT -0400)
Baltimore-Washington International

Weather History for KBWI - December, 2012

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Saturday, December 15, 2012

  Actual Average Record
Temperature  
Mean Temperature 41 °F 37 °F  
Max Temperature 51 °F 45 °F 70 °F (1971)
Min Temperature 31 °F 28 °F 9 °F (1962)
Degree Days  
Heating Degree Days 24 28  
Month to date heating degree days 291 394  
Since 1 July heating degree days 1204 1298  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1569 1164  
Moisture  
Dew Point 31 °F    
Average Humidity 66    
Maximum Humidity 85    
Minimum Humidity 46    
Precipitation  
Precipitation T in 0.11 in 1.35 in (1948)
Month to date precipitation 0.33 1.74  
Year to date precipitation 34.64 40.25  
Snow  
Snow 0.00 in 0.10 in 5.70 in (1905)
Month to date snowfall 0.0 1.2  
Since 1 July snowfall T 1.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 3 mph (East)    
Max Wind Speed 13 mph    
Max Gust Speed 15 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 15, 2012 Rise Set
Actual Time 7:19 AM EST 4:44 PM EST
Civil Twilight 6:49 AM EST 5:15 PM EST
Nautical Twilight 6:15 AM EST 5:48 PM EST
Astronomical Twilight 5:42 AM EST 6:21 PM EST
Moon 9:11 AM EST (12/15) 7:45 PM EST (12/15)
Length of Visible Light 10h 25m
Length of Day
9h 25m
Waxing Crescent, 8% of the Moon is Illuminated
Dec 15
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 34.0 °F - 27.0 °F 75% 30.25 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:54 AM 32.0 °F - 27.0 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
2:54 AM 32.0 °F - 27.0 °F 82% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
3:54 AM 32.0 °F - 27.0 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
4:54 AM 32.0 °F - 27.0 °F 82% 30.25 in 10.0 mi Calm Calm - N/A   Overcast
5:54 AM 32.0 °F - 27.0 °F 82% 30.26 in 10.0 mi Calm Calm - N/A   Overcast
6:54 AM 32.0 °F - 27.0 °F 82% 30.27 in 10.0 mi Calm Calm - N/A   Overcast
7:54 AM 32.0 °F - 28.0 °F 85% 30.29 in 8.0 mi Calm Calm - N/A   Overcast
8:54 AM 39.9 °F 36.7 °F 28.9 °F 65% 30.30 in 7.0 mi NE 4.6 mph - N/A   Mostly Cloudy
9:54 AM 43.0 °F 38.2 °F 32.0 °F 65% 30.31 in 7.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
10:54 AM 45.0 °F 40.1 °F 33.1 °F 63% 30.30 in 7.0 mi East 9.2 mph - N/A   Mostly Cloudy
11:54 AM 46.9 °F - 30.9 °F 54% 30.26 in 8.0 mi East 6.9 mph - N/A   Mostly Cloudy
12:54 PM 48.0 °F - 32.0 °F 54% 30.25 in 8.0 mi ENE 6.9 mph - N/A   Scattered Clouds
1:54 PM 50.0 °F - 30.0 °F 46% 30.22 in 9.0 mi SSE 5.8 mph - N/A   Mostly Cloudy
2:54 PM 50.0 °F - 30.0 °F 46% 30.21 in 9.0 mi ESE 6.9 mph - N/A   Scattered Clouds
3:54 PM 48.9 °F - 30.0 °F 48% 30.19 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
4:54 PM 46.9 °F - 30.9 °F 54% 30.19 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
5:54 PM 46.0 °F 44.8 °F 34.0 °F 63% 30.18 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
6:54 PM 45.0 °F 43.5 °F 35.1 °F 68% 30.18 in 10.0 mi ESE 3.5 mph - N/A   Mostly Cloudy
7:54 PM 44.1 °F - 35.1 °F 71% 30.18 in 9.0 mi Calm Calm - N/A   Overcast
8:54 PM 42.1 °F 39.2 °F 36.0 °F 79% 30.17 in 8.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
9:54 PM 43.0 °F - 37.0 °F 80% 30.15 in 8.0 mi Calm Calm - N/A   Overcast
10:54 PM 44.1 °F 41.5 °F 37.9 °F 79% 30.15 in 8.0 mi East 4.6 mph - N/A   Overcast
11:54 PM 44.1 °F - 39.0 °F 82% 30.15 in 7.0 mi Calm Calm - 0.00 in   Overcast