Boston, MA

9:32 PM EDT on September 25, 2017 (GMT -0400)
Logan International

Weather History for KBOS - December, 2014

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Thursday, December 11, 2014

  Actual Average Record
Temperature  
Mean Temperature 36 °F 36 °F  
Max Temperature 39 °F 43 °F 68 °F (1911)
Min Temperature 32 °F 30 °F -2 °F (1876)
Degree Days  
Heating Degree Days 29 29  
Month to date heating degree days 296 297  
Since 1 July heating degree days 1309 1352  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 769 747  
Moisture  
Dew Point 31 °F    
Average Humidity 87    
Maximum Humidity 92    
Minimum Humidity 82    
Precipitation  
Precipitation 0.02 in 0.13 in 1.52 in (1936)
Month to date precipitation 5.11 1.44  
Year to date precipitation 43.80 41.43  
Snow  
Snow T in 0.20 in 2.70 in (1986)
Month to date snowfall 0.3 2.3  
Since 1 July snowfall 2.9 3.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.61 in    
Wind  
Wind Speed 13 mph (SW)    
Max Wind Speed 21 mph    
Max Gust Speed 28 mph    
Visibility 7 miles    
Events Rain , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Dec. 11, 2014 Rise Set
Actual Time 7:03 AM EST 4:11 PM EST
Civil Twilight 6:31 AM EST 4:43 PM EST
Nautical Twilight 5:55 AM EST 5:18 PM EST
Astronomical Twilight 5:21 AM EST 5:52 PM EST
Moon 9:23 PM EST (12/11) 10:21 AM EST (12/11)
Length of Visible Light 10h 12m
Length of Day
9h 08m
Waning Gibbous, 75% of the Moon is Illuminated
Dec 11
Waning Gibbous
Dec 14
Last Quarter
Dec 21
New
Dec 28
First Quarter
Jan 4
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:13 AM 39.2 °F 34.2 °F 37.4 °F 93% 29.44 in 3.0 mi West 6.9 mph - 0.01 in Rain Light Rain
12:20 AM 39.2 °F 34.2 °F 37.4 °F 93% 29.44 in 2.0 mi West 6.9 mph - 0.01 in Rain Light Rain
12:54 AM 39.0 °F 34.0 °F 37.0 °F 93% 29.44 in 2.0 mi WSW 6.9 mph - 0.02 in Rain Light Rain
1:17 AM 39.2 °F 35.0 °F 37.4 °F 93% 29.45 in 2.0 mi West 5.8 mph - 0.00 in   Overcast
1:25 AM 39.2 °F 35.0 °F 37.4 °F 93% 29.45 in 2.0 mi West 5.8 mph - 0.00 in   Overcast
1:43 AM 39.2 °F 35.9 °F 37.4 °F 93% 29.46 in 10.0 mi West 4.6 mph - 0.00 in   Overcast
1:54 AM 39.0 °F 35.7 °F 37.0 °F 93% 29.46 in 10.0 mi WSW 4.6 mph - 0.00 in   Overcast
2:54 AM 37.9 °F 31.5 °F 36.0 °F 93% 29.47 in 7.0 mi SW 9.2 mph - N/A   Overcast
3:54 AM 37.9 °F 31.5 °F 35.1 °F 89% 29.48 in 10.0 mi SW 9.2 mph - N/A   Overcast
4:54 AM 37.0 °F 29.3 °F 35.1 °F 93% 29.50 in 10.0 mi SW 11.5 mph - 0.00 in   Overcast
5:54 AM 36.0 °F 28.0 °F 33.1 °F 89% 29.52 in 9.0 mi SW 11.5 mph - 0.00 in Rain Light Rain
6:54 AM 35.1 °F 26.9 °F 33.1 °F 92% 29.55 in 9.0 mi SSW 11.5 mph - 0.00 in Snow Light Snow
7:01 AM 35.6 °F 27.5 °F 33.8 °F 93% 29.55 in 10.0 mi SW 11.5 mph - 0.00 in Snow Light Snow
7:54 AM 35.1 °F 24.8 °F 32.0 °F 89% 29.57 in 10.0 mi SSW 17.3 mph - 0.00 in   Overcast
8:06 AM 35.6 °F 25.5 °F 30.2 °F 81% 29.57 in 10.0 mi SSW 17.3 mph 23.0 mph 0.00 in   Overcast
8:54 AM 35.1 °F 25.9 °F 30.9 °F 85% 29.59 in 10.0 mi SSW 13.8 mph - 0.00 in   Overcast
9:18 AM 33.8 °F 22.5 °F 30.2 °F 87% 29.60 in 10.0 mi SW 19.6 mph - N/A   Overcast
9:54 AM 35.1 °F 25.5 °F 30.9 °F 85% 29.61 in 10.0 mi SW 15.0 mph - N/A   Overcast
10:54 AM 34.0 °F 23.8 °F 28.9 °F 82% 29.62 in 8.0 mi SW 16.1 mph 21.9 mph 0.00 in Snow Light Snow
11:32 AM 33.8 °F 23.9 °F 30.2 °F 87% 29.62 in 2.0 mi SW 15.0 mph - 0.00 in Snow Light Snow
11:54 AM 34.0 °F 24.6 °F 30.0 °F 85% 29.62 in 2.5 mi SW 13.8 mph - 0.00 in Snow Light Snow
12:07 PM 33.8 °F 23.9 °F 30.2 °F 87% 29.62 in 1.8 mi SW 15.0 mph - 0.00 in Snow Light Snow
12:29 PM 33.8 °F 23.9 °F 30.2 °F 87% 29.62 in 2.5 mi SW 15.0 mph - 0.00 in Snow Light Snow
12:42 PM 33.8 °F 23.5 °F 30.2 °F 87% 29.62 in 2.5 mi SW 16.1 mph 26.5 mph 0.00 in Snow Light Snow
12:50 PM 33.8 °F 23.2 °F 30.2 °F 87% 29.63 in 1.8 mi SW 17.3 mph - 0.00 in Snow Light Snow
12:54 PM 33.1 °F 22.2 °F 30.0 °F 89% 29.63 in 1.8 mi SW 17.3 mph - 0.00 in Snow Light Snow
1:30 PM 33.8 °F 23.5 °F 30.2 °F 87% 29.63 in 1.2 mi SW 16.1 mph - 0.01 in Snow Light Snow
1:52 PM 33.8 °F 22.5 °F 30.2 °F 87% 29.64 in 9.0 mi WSW 19.6 mph - 0.01 in   Overcast
1:54 PM 34.0 °F 23.0 °F 28.9 °F 82% 29.64 in 9.0 mi WSW 18.4 mph - 0.01 in   Overcast
2:11 PM 33.8 °F 22.8 °F 28.4 °F 81% 29.63 in 10.0 mi WSW 18.4 mph 24.2 mph N/A   Overcast
2:51 PM 33.8 °F 23.9 °F 30.2 °F 87% 29.66 in 10.0 mi SW 15.0 mph - N/A   Overcast
2:54 PM 34.0 °F 23.0 °F 30.0 °F 85% 29.66 in 10.0 mi SW 18.4 mph - N/A   Overcast
3:54 PM 34.0 °F 23.8 °F 28.9 °F 82% 29.69 in 10.0 mi SW 16.1 mph - 0.00 in Snow Light Snow
4:28 PM 33.8 °F 24.8 °F 30.2 °F 87% 29.71 in 6.0 mi SSW 12.7 mph - 0.00 in Snow Light Snow
4:54 PM 34.0 °F 24.6 °F 28.9 °F 82% 29.72 in 10.0 mi SW 13.8 mph - 0.00 in   Overcast
5:54 PM 34.0 °F 24.2 °F 28.9 °F 82% 29.73 in 10.0 mi SW 15.0 mph - 0.00 in Snow Light Snow
6:54 PM 33.1 °F 23.9 °F 28.0 °F 82% 29.75 in 10.0 mi SW 12.7 mph - 0.00 in   Overcast
7:54 PM 33.1 °F 23.4 °F 28.0 °F 82% 29.76 in 10.0 mi SW 13.8 mph - N/A   Overcast
8:54 PM 32.0 °F 22.5 °F 28.0 °F 85% 29.78 in 10.0 mi SW 12.7 mph - N/A   Overcast
9:54 PM 32.0 °F 22.5 °F 28.0 °F 85% 29.78 in 10.0 mi SW 12.7 mph 20.7 mph N/A   Overcast
10:54 PM 32.0 °F 23.6 °F 28.0 °F 85% 29.79 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
11:54 PM 32.0 °F 23.0 °F 27.0 °F 82% 29.81 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy