Weather History for KBOS - December, 2010

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Tuesday, December 28, 2010

  Actual Average Record
Temperature  
Mean Temperature 27 °F 31 °F  
Max Temperature 35 °F 38 °F 63 °F (1982)
Min Temperature 18 °F 24 °F -2 °F (1872)
Degree Days  
Heating Degree Days 38 34  
Month to date heating degree days 907 834  
Since 1 July heating degree days 1836 1889  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1082 747  
Moisture  
Dew Point 6 °F    
Average Humidity 45    
Maximum Humidity 61    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in 0.11 in 1.70 in (1967)
Month to date precipitation 3.61 3.46  
Year to date precipitation 49.66 43.45  
Snow  
Snow 0.00 in 0.40 in 6.00 in (1967)
Month to date snowfall 22.0 7.8  
Since 1 July snowfall 22.0 9.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.56 in    
Wind  
Wind Speed 21 mph (WNW)    
Max Wind Speed 35 mph    
Max Gust Speed 46 mph    
Visibility 10 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 28, 2010 Rise Set
Actual Time 7:12 AM EST 4:18 PM EST
Civil Twilight 6:40 AM EST 4:50 PM EST
Nautical Twilight 6:05 AM EST 5:26 PM EST
Astronomical Twilight 5:31 AM EST 6:00 PM EST
Moon 12:02 AM EST (12/28) 11:19 AM EST (12/28)
Length of Visible Light 10h 10m
Length of Day
9h 06m
Last Quarter, 44% of the Moon is Illuminated
Dec 28
Last Quarter
Jan 4
New
Jan 12
First Quarter
Jan 19
Full
Jan 26
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:38 AM 19.4 °F 1.1 °F 6.8 °F 58% 29.38 in 2.0 mi WNW 27.6 mph 42.6 mph N/A Snow Blowing Snow
12:51 AM 19.4 °F 0.5 °F 6.8 °F 58% 29.38 in 10.0 mi NW 29.9 mph 41.4 mph N/A   Mostly Cloudy
12:53 AM 19.0 °F 1.0 °F 7.0 °F 59% 29.38 in 10.0 mi WNW 26.5 mph 41.4 mph N/A   Scattered Clouds
1:54 AM 18.0 °F -0.2 °F 6.1 °F 60% 29.42 in 10.0 mi WNW 25.3 mph 43.7 mph N/A   Scattered Clouds
2:54 AM 18.0 °F -0.2 °F 5.0 °F 57% 29.44 in 10.0 mi NW 25.3 mph 42.6 mph N/A   Scattered Clouds
3:54 AM 19.0 °F 2.4 °F 1.9 °F 47% 29.46 in 10.0 mi NW 21.9 mph 35.7 mph N/A   Scattered Clouds
4:54 AM 19.0 °F 3.2 °F 1.0 °F 46% 29.49 in 9.0 mi WNW 19.6 mph 32.2 mph N/A   Scattered Clouds
5:54 AM 19.9 °F 5.2 °F 1.0 °F 44% 29.49 in 9.0 mi NW 17.3 mph 36.8 mph N/A   Scattered Clouds
6:54 AM 21.0 °F 4.6 °F 1.9 °F 44% 29.50 in 10.0 mi NW 23.0 mph 31.1 mph N/A   Partly Cloudy
7:54 AM 21.9 °F 5.8 °F 3.0 °F 44% 29.52 in 10.0 mi NW 23.0 mph 34.5 mph N/A   Partly Cloudy
8:54 AM 24.1 °F 8.3 °F 3.9 °F 42% 29.53 in 10.0 mi WNW 24.2 mph 35.7 mph N/A   Clear
9:54 AM 26.1 °F 11.3 °F 3.0 °F 37% 29.55 in 10.0 mi WNW 23.0 mph 33.4 mph N/A   Clear
10:54 AM 28.9 °F 15.1 °F 5.0 °F 36% 29.55 in 10.0 mi WNW 23.0 mph 39.1 mph N/A   Clear
11:54 AM 32.0 °F 18.9 °F 6.1 °F 34% 29.53 in 10.0 mi WNW 24.2 mph 38.0 mph N/A   Clear
12:54 PM 33.1 °F 20.6 °F 6.1 °F 32% 29.52 in 10.0 mi NW 23.0 mph 39.1 mph N/A   Clear
1:54 PM 34.0 °F 23.4 °F 7.0 °F 32% 29.55 in 10.0 mi NW 17.3 mph 31.1 mph N/A   Clear
2:54 PM 35.1 °F 24.5 °F 6.1 °F 30% 29.57 in 10.0 mi WNW 18.4 mph 28.8 mph N/A   Clear
3:54 PM 34.0 °F 23.8 °F 5.0 °F 30% 29.61 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Partly Cloudy
4:54 PM 32.0 °F 19.5 °F 6.1 °F 34% 29.64 in 10.0 mi WNW 21.9 mph 26.5 mph N/A   Partly Cloudy
5:54 PM 32.0 °F 20.1 °F 7.0 °F 35% 29.67 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Clear
6:54 PM 32.0 °F 21.6 °F 10.0 °F 40% 29.69 in 10.0 mi WNW 15.0 mph 21.9 mph N/A   Clear
7:54 PM 30.9 °F 19.8 °F 10.9 °F 43% 29.71 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Clear
8:54 PM 30.0 °F 16.9 °F 12.0 °F 47% 29.72 in 10.0 mi West 21.9 mph - N/A   Partly Cloudy
9:54 PM 30.0 °F 17.5 °F 12.0 °F 47% 29.73 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Partly Cloudy
10:54 PM 28.9 °F 18.2 °F 12.9 °F 51% 29.75 in 10.0 mi WNW 13.8 mph 20.7 mph N/A   Mostly Cloudy
11:54 PM 28.9 °F 17.3 °F 12.9 °F 51% 29.76 in 10.0 mi West 16.1 mph - N/A   Overcast