Weather History for KBOS - December, 2013

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Wednesday, December 11, 2013

  Actual Average Record
Temperature  
Mean Temperature 28 °F 36 °F  
Max Temperature 32 °F 43 °F 68 °F (1911)
Min Temperature 24 °F 30 °F -2 °F (1876)
Degree Days  
Heating Degree Days 37 29  
Month to date heating degree days 296 297  
Since 1 July heating degree days 1312 1352  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 920 747  
Moisture  
Dew Point 16 °F    
Average Humidity 61    
Maximum Humidity 68    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in 0.13 in 1.52 in (1936)
Month to date precipitation 1.17 1.44  
Year to date precipitation 36.91 41.43  
Snow  
Snow 0.00 in 0.20 in 2.70 in (1986)
Month to date snowfall 0.8 2.3  
Since 1 July snowfall 0.8 3.6  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 14 mph (WSW)    
Max Wind Speed 22 mph    
Max Gust Speed 29 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 11, 2013 Rise Set
Actual Time 7:03 AM EST 4:11 PM EST
Civil Twilight 6:31 AM EST 4:43 PM EST
Nautical Twilight 5:56 AM EST 5:18 PM EST
Astronomical Twilight 5:22 AM EST 5:52 PM EST
Moon 12:48 PM EST (12/11) 1:15 AM EST (12/11)
Length of Visible Light 10h 11m
Length of Day
9h 08m
Waxing Gibbous, 71% of the Moon is Illuminated
Dec 11
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First 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 26.1 °F 16.2 °F 15.1 °F 63% 30.04 in 10.0 mi West 10.4 mph 17.3 mph N/A   Clear
1:54 AM 27.0 °F 15.6 °F 14.0 °F 58% 30.06 in 10.0 mi West 13.8 mph 19.6 mph N/A   Clear
2:54 AM 27.0 °F 16.1 °F 15.1 °F 61% 30.08 in 10.0 mi WSW 12.7 mph 20.7 mph N/A   Clear
3:54 AM 26.1 °F 15.6 °F 15.1 °F 63% 30.09 in 10.0 mi WSW 11.5 mph 19.6 mph N/A   Clear
4:54 AM 26.1 °F 16.2 °F 15.1 °F 63% 30.12 in 10.0 mi WSW 10.4 mph - N/A   Clear
5:54 AM 24.1 °F 12.5 °F 15.1 °F 69% 30.15 in 10.0 mi WSW 12.7 mph - N/A   Partly Cloudy
6:54 AM 24.1 °F 11.0 °F 15.1 °F 69% 30.18 in 10.0 mi WSW 16.1 mph - N/A   Partly Cloudy
7:54 AM 25.0 °F 13.1 °F 15.1 °F 66% 30.20 in 10.0 mi SW 13.8 mph - N/A   Partly Cloudy
8:54 AM 27.0 °F 15.2 °F 15.1 °F 61% 30.22 in 10.0 mi WSW 15.0 mph - N/A   Clear
9:54 AM 28.9 °F 18.2 °F 16.0 °F 58% 30.22 in 10.0 mi WSW 13.8 mph 23.0 mph N/A   Partly Cloudy
10:54 AM 30.0 °F 17.9 °F 16.0 °F 56% 30.19 in 10.0 mi SW 18.4 mph - N/A   Partly Cloudy
11:54 AM 30.9 °F 20.7 °F 17.1 °F 57% 30.16 in 10.0 mi WSW 13.8 mph 21.9 mph N/A   Scattered Clouds
12:54 PM 30.9 °F 19.8 °F 17.1 °F 57% 30.14 in 10.0 mi WSW 16.1 mph 25.3 mph N/A   Mostly Cloudy
1:54 PM 30.0 °F 18.7 °F 17.1 °F 59% 30.15 in 10.0 mi West 16.1 mph 24.2 mph N/A   Mostly Cloudy
2:54 PM 30.0 °F 17.9 °F 17.1 °F 59% 30.14 in 10.0 mi SW 18.4 mph - N/A   Mostly Cloudy
3:54 PM 28.9 °F 16.9 °F 17.1 °F 61% 30.15 in 10.0 mi WSW 17.3 mph - N/A   Mostly Cloudy
4:54 PM 28.0 °F 18.1 °F 17.1 °F 63% 30.16 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
5:54 PM 28.0 °F 18.1 °F 17.1 °F 63% 30.16 in 10.0 mi SW 11.5 mph - N/A   Scattered Clouds
6:54 PM 28.0 °F 17.0 °F 17.1 °F 63% 30.16 in 10.0 mi WSW 13.8 mph - N/A   Scattered Clouds
7:54 PM 27.0 °F 16.1 °F 17.1 °F 66% 30.15 in 10.0 mi WSW 12.7 mph - N/A   Scattered Clouds
8:54 PM 27.0 °F 16.1 °F 16.0 °F 63% 30.15 in 10.0 mi WSW 12.7 mph - N/A   Scattered Clouds
9:54 PM 27.0 °F 15.6 °F 16.0 °F 63% 30.14 in 10.0 mi WSW 13.8 mph 20.7 mph N/A   Scattered Clouds
10:54 PM 27.0 °F 15.6 °F 16.0 °F 63% 30.14 in 10.0 mi West 13.8 mph 21.9 mph N/A   Scattered Clouds
11:54 PM 27.0 °F 16.1 °F 16.0 °F 63% 30.14 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds