Boston, MA

7:39 AM EDT on March 27, 2017 (GMT -0400)
Logan International

Weather History for KBOS - December, 2014

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Friday, December 19, 2014

  Actual Average Record
Temperature  
Mean Temperature 33 °F 34 °F  
Max Temperature 37 °F 40 °F 64 °F (1899)
Min Temperature 29 °F 27 °F -10 °F (1875)
Degree Days  
Heating Degree Days 32 31  
Month to date heating degree days 510 538  
Since 1 July heating degree days 1523 1593  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 769 747  
Moisture  
Dew Point 22 °F    
Average Humidity 63    
Maximum Humidity 69    
Minimum Humidity 56    
Precipitation  
Precipitation 0.00 in 0.12 in 1.35 in (1986)
Month to date precipitation 5.55 2.41  
Year to date precipitation 44.24 42.40  
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 11 mph (NW)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Dec. 19, 2014 Rise Set
Actual Time 7:08 AM EST 4:13 PM EST
Civil Twilight 6:36 AM EST 4:45 PM EST
Nautical Twilight 6:01 AM EST 5:21 PM EST
Astronomical Twilight 5:27 AM EST 5:55 PM EST
Moon 4:17 AM EST (12/19) 2:35 PM EST (12/19)
Length of Visible Light 10h 08m
Length of Day
9h 04m
Waning Crescent, 7% of the Moon is Illuminated
Dec 19
Waning Crescent
Dec 21
New
Dec 28
First Quarter
Jan 4
Full
Jan 13
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 37.0 °F 28.9 °F 25.0 °F 62% 29.86 in 10.0 mi WNW 12.7 mph - N/A   Overcast
1:54 AM 37.0 °F 28.5 °F 25.0 °F 62% 29.87 in 10.0 mi WNW 13.8 mph 18.4 mph N/A   Overcast
2:54 AM 36.0 °F 29.6 °F 25.0 °F 64% 29.87 in 10.0 mi WNW 8.1 mph - N/A   Scattered Clouds
3:54 AM 35.1 °F 27.4 °F 24.1 °F 64% 29.87 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
4:54 AM 35.1 °F 26.4 °F 24.1 °F 64% 29.88 in 10.0 mi WNW 12.7 mph - N/A   Mostly Cloudy
5:54 AM 34.0 °F 26.6 °F 24.1 °F 67% 29.89 in 10.0 mi West 9.2 mph 19.6 mph N/A   Overcast
6:54 AM 34.0 °F 26.0 °F 24.1 °F 67% 29.91 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
7:54 AM 34.0 °F 24.2 °F 24.1 °F 67% 29.93 in 10.0 mi NW 15.0 mph - N/A   Mostly Cloudy
8:54 AM 35.1 °F 27.4 °F 23.0 °F 61% 29.94 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
9:54 AM 34.0 °F 24.6 °F 21.9 °F 61% 29.96 in 10.0 mi NW 13.8 mph - N/A   Mostly Cloudy
10:54 AM 34.0 °F 24.6 °F 21.9 °F 61% 29.96 in 10.0 mi NW 13.8 mph 23.0 mph N/A   Mostly Cloudy
11:54 AM 35.1 °F 26.9 °F 21.9 °F 59% 29.95 in 10.0 mi NW 11.5 mph - N/A   Overcast
12:54 PM 35.1 °F 26.4 °F 21.9 °F 59% 29.95 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
1:54 PM 35.1 °F 27.4 °F 21.9 °F 59% 29.96 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
2:54 PM 35.1 °F 26.9 °F 21.9 °F 59% 29.98 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
3:54 PM 35.1 °F 27.4 °F 21.9 °F 59% 30.00 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
4:54 PM 33.1 °F 23.9 °F 21.0 °F 61% 30.03 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
5:54 PM 32.0 °F 23.0 °F 19.9 °F 61% 30.05 in 10.0 mi NNW 11.5 mph - N/A   Partly Cloudy
6:54 PM 30.9 °F 22.2 °F 19.9 °F 64% 30.07 in 10.0 mi NW 10.4 mph - N/A   Partly Cloudy
7:54 PM 30.9 °F 22.8 °F 19.9 °F 64% 30.09 in 10.0 mi NW 9.2 mph - N/A   Partly Cloudy
8:54 PM 30.0 °F 22.4 °F 19.9 °F 66% 30.11 in 10.0 mi NW 8.1 mph - N/A   Clear
9:54 PM 30.0 °F 23.2 °F 19.9 °F 66% 30.13 in 10.0 mi NW 6.9 mph - N/A   Clear
10:54 PM 28.9 °F 21.1 °F 19.9 °F 69% 30.14 in 10.0 mi NW 8.1 mph - N/A   Clear
11:54 PM 28.9 °F 20.4 °F 19.9 °F 69% 30.15 in 10.0 mi NW 9.2 mph - N/A   Clear