Weather History for KBOS - January, 2013

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Saturday, January 5, 2013

  Actual Average Record
Temperature  
Mean Temperature 35 °F 30 °F  
Max Temperature 42 °F 36 °F 63 °F (2007)
Min Temperature 27 °F 23 °F -4 °F (1981)
Degree Days  
Heating Degree Days 30 36  
Month to date heating degree days 194 176  
Since 1 July heating degree days 2024 2170  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 18 °F    
Average Humidity 52    
Maximum Humidity 69    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.11 in 1.66 in (1873)
Month to date precipitation T 0.55  
Year to date precipitation T 0.55  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 9 mph (WNW)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 05, 2013 Rise Set
Actual Time 7:13 AM EST 4:26 PM EST
Civil Twilight 6:41 AM EST 4:57 PM EST
Nautical Twilight 6:06 AM EST 5:32 PM EST
Astronomical Twilight 5:32 AM EST 6:06 PM EST
Moon 12:12 AM EST (1/5) 11:17 AM EST (1/5)
Length of Visible Light 10h 16m
Length of Day
9h 12m
Last Quarter, 44% of the Moon is Illuminated
Jan 5
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
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 30.9 °F 21.2 °F 19.0 °F 61% 29.86 in 10.0 mi WSW 12.7 mph - N/A   Scattered Clouds
1:54 AM 30.9 °F 20.2 °F 19.0 °F 61% 29.88 in 10.0 mi SW 15.0 mph - N/A   Overcast
2:54 AM 32.0 °F 21.6 °F 19.9 °F 61% 29.89 in 10.0 mi SW 15.0 mph - N/A   Overcast
3:54 AM 30.9 °F 20.7 °F 19.9 °F 64% 29.90 in 10.0 mi SW 13.8 mph - N/A   Clear
4:54 AM 30.9 °F 21.2 °F 19.9 °F 64% 29.93 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
5:54 AM 30.0 °F 19.1 °F 19.9 °F 66% 29.96 in 10.0 mi WSW 15.0 mph - N/A   Scattered Clouds
6:54 AM 32.0 °F 22.5 °F 21.0 °F 64% 29.99 in 10.0 mi WSW 12.7 mph - N/A   Scattered Clouds
7:54 AM 30.0 °F 20.5 °F 21.0 °F 69% 30.04 in 10.0 mi SSW 11.5 mph - N/A   Clear
8:54 AM 33.1 °F 23.9 °F 21.9 °F 64% 30.07 in 10.0 mi SW 12.7 mph - N/A   Clear
9:54 AM 37.9 °F 30.5 °F 23.0 °F 55% 30.12 in 10.0 mi West 11.5 mph 20.7 mph N/A   Mostly Cloudy
10:54 AM 39.9 °F 31.1 °F 21.0 °F 47% 30.12 in 10.0 mi NW 17.3 mph 21.9 mph N/A   Mostly Cloudy
11:54 AM 41.0 °F 35.2 °F 19.9 °F 43% 30.13 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
12:54 PM 41.0 °F 34.7 °F 19.0 °F 41% 30.13 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
1:54 PM 41.0 °F 32.5 °F 16.0 °F 36% 30.14 in 10.0 mi WNW 17.3 mph 25.3 mph N/A   Scattered Clouds
2:54 PM 41.0 °F 35.8 °F 15.1 °F 35% 30.15 in 10.0 mi WNW 8.1 mph - N/A   Mostly Cloudy
3:54 PM 39.0 °F 34.0 °F 16.0 °F 39% 30.18 in 10.0 mi NNW 6.9 mph - N/A   Mostly Cloudy
4:54 PM 37.9 °F 34.4 °F 15.1 °F 39% 30.21 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds
5:54 PM 36.0 °F 32.1 °F 15.1 °F 43% 30.23 in 10.0 mi North 4.6 mph - N/A   Partly Cloudy
6:54 PM 34.0 °F 31.0 °F 15.1 °F 46% 30.26 in 10.0 mi North 3.5 mph - N/A   Partly Cloudy
7:54 PM 30.9 °F 26.2 °F 15.1 °F 52% 30.26 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
8:54 PM 30.0 °F - 16.0 °F 56% 30.25 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:54 PM 30.0 °F - 15.1 °F 54% 30.25 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:54 PM 30.9 °F - 16.0 °F 54% 30.26 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:54 PM 28.9 °F 25.2 °F 19.0 °F 67% 30.22 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy