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Friday, December 28, 2012

  Actual Average (KBOS) Record (KBOS)
Temperature  
Mean Temperature 30 °F 31 °F  
Max Temperature 34 °F 38 °F 63 °F (1982)
Min Temperature 25 °F 24 °F -2 °F (1872)
Degree Days  
Heating Degree Days 36 34  
Month to date heating degree days 834  
Since 1 July heating degree days 1889  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 747  
Moisture  
Dew Point 21 °F    
Average Humidity 73    
Maximum Humidity 89    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.11 in 1.70 in (1967)
Month to date precipitation 3.46  
Year to date precipitation 43.45  
Snow  
Snow 0.00 in 0.40 in 6.00 in (1967)
Month to date snowfall 7.8  
Since 1 July snowfall 9.1  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 17 mph (WNW)    
Max Wind Speed 25 mph    
Max Gust Speed 34 mph    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 28, 2012 Rise Set
Actual Time 7:12 AM EST 4:20 PM EST
Civil Twilight 6:40 AM EST 4:51 PM EST
Nautical Twilight 6:05 AM EST 5:27 PM EST
Astronomical Twilight 5:31 AM EST 6:01 PM EST
Moon 4:55 PM EST (12/28) 7:03 AM EST (12/28)
Length of Visible Light 10h 11m
Length of Day
9h 07m
Full, 100% of the Moon is Illuminated
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 28.9 °F 16.5 °F 26.1 °F 89% 29.64 in - WNW 18.4 mph 28.8 mph N/A   Unknown
1:54 AM 28.0 °F 15.3 °F 24.1 °F 85% 29.68 in - NW 18.4 mph 29.9 mph N/A   Unknown
2:54 AM 27.0 °F 13.5 °F 23.0 °F 85% 29.72 in - NW 19.6 mph 28.8 mph N/A   Unknown
3:54 AM 27.0 °F 13.9 °F 21.0 °F 78% 29.74 in - NW 18.4 mph 34.5 mph N/A   Unknown
4:54 AM 26.1 °F 11.3 °F 19.0 °F 75% 29.78 in - NW 23.0 mph 33.4 mph N/A   Unknown
5:54 AM 25.0 °F 11.7 °F 18.0 °F 75% 29.81 in - NW 17.3 mph 28.8 mph N/A   Unknown
6:54 AM 25.0 °F 10.6 °F 17.1 °F 72% 29.82 in - NW 20.7 mph 29.9 mph N/A   Unknown
7:54 AM 25.0 °F 11.7 °F 18.0 °F 75% 29.85 in - WNW 17.3 mph 28.8 mph N/A   Unknown
8:54 AM 27.0 °F 16.1 °F 19.0 °F 72% 29.91 in - WNW 12.7 mph 25.3 mph N/A   Unknown
9:54 AM 28.9 °F 17.3 °F 19.0 °F 67% 29.91 in - NW 16.1 mph 27.6 mph N/A   Unknown
10:54 AM 30.9 °F 17.2 °F 19.9 °F 64% 29.91 in - NW 25.3 mph 33.4 mph N/A   Unknown
11:54 AM 33.1 °F 23.9 °F 21.9 °F 64% 29.90 in - WNW 12.7 mph 28.8 mph N/A   Unknown
12:54 PM 33.1 °F 22.2 °F 21.9 °F 64% 29.90 in - WNW 17.3 mph 27.6 mph N/A   Unknown
1:54 PM 34.0 °F 25.0 °F 21.9 °F 61% 29.91 in - WNW 12.7 mph 23.0 mph N/A   Unknown
2:54 PM 33.1 °F 23.4 °F 21.0 °F 61% 29.94 in - WNW 13.8 mph 24.2 mph N/A   Unknown
3:54 PM 32.0 °F 23.0 °F 21.0 °F 64% 29.95 in - WNW 11.5 mph 18.4 mph N/A   Unknown
4:54 PM 30.0 °F 20.0 °F 21.0 °F 69% 29.98 in - WNW 12.7 mph - N/A   Unknown
5:54 PM 30.0 °F 20.5 °F 21.0 °F 69% 30.00 in - WNW 11.5 mph 18.4 mph N/A   Unknown
6:54 PM 28.9 °F 19.2 °F 21.0 °F 72% 30.02 in - WNW 11.5 mph - N/A   Unknown
7:54 PM 28.0 °F 18.6 °F 21.0 °F 75% 30.01 in - WNW 10.4 mph - N/A   Unknown
8:54 PM 28.9 °F 18.2 °F 21.9 °F 75% 30.02 in - WNW 13.8 mph - N/A   Unknown
9:54 PM 27.0 °F 18.7 °F 21.0 °F 78% 30.02 in - WNW 8.1 mph - N/A   Unknown
10:54 PM 27.0 °F 17.3 °F 21.9 °F 81% 30.03 in - West 10.4 mph - N/A   Unknown
11:54 PM 26.1 °F 15.6 °F 21.9 °F 84% 30.02 in - WNW 11.5 mph - N/A   Unknown