Boston, MA

5:57 AM EDT on September 24, 2017 (GMT -0400)
Logan International

Weather History for KBOS - December, 2012

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Sunday, December 16, 2012

  Actual Average Record
Temperature  
Mean Temperature 37 °F 35 °F  
Max Temperature 39 °F 41 °F 64 °F (1971)
Min Temperature 34 °F 28 °F 1 °F (1883)
Degree Days  
Heating Degree Days 28 30  
Month to date heating degree days 380 445  
Since 1 July heating degree days 1393 1500  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 905 747  
Moisture  
Dew Point 30 °F    
Average Humidity 77    
Maximum Humidity 92    
Minimum Humidity 61    
Precipitation  
Precipitation 0.25 in 0.12 in 1.81 in (1960)
Month to date precipitation 1.30 2.05  
Year to date precipitation 32.10 42.04  
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 14 mph (ESE)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 6 miles    
Events Rain , Snow    
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. 16, 2012 Rise Set
Actual Time 7:07 AM EST 4:12 PM EST
Civil Twilight 6:35 AM EST 4:44 PM EST
Nautical Twilight 5:59 AM EST 5:20 PM EST
Astronomical Twilight 5:25 AM EST 5:54 PM EST
Moon 9:35 AM EST (12/16) 8:27 PM EST (12/16)
Length of Visible Light 10h 09m
Length of Day
9h 05m
Waxing Crescent, 16% of the Moon is Illuminated
Dec 16
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 34.0 °F 26.0 °F 21.9 °F 61% 30.33 in 10.0 mi East 10.4 mph - N/A   Overcast
1:54 AM 34.0 °F 26.0 °F 21.9 °F 61% 30.32 in 10.0 mi East 10.4 mph - N/A   Overcast
2:54 AM 34.0 °F 26.6 °F 21.9 °F 61% 30.32 in 10.0 mi East 9.2 mph - N/A   Overcast
3:54 AM 34.0 °F 27.2 °F 23.0 °F 64% 30.31 in 10.0 mi East 8.1 mph - N/A   Overcast
4:54 AM 34.0 °F 27.2 °F 21.9 °F 61% 30.31 in 10.0 mi East 8.1 mph - N/A   Overcast
5:54 AM 34.0 °F 27.2 °F 23.0 °F 64% 30.31 in 10.0 mi East 8.1 mph - N/A   Overcast
6:54 AM 34.0 °F 26.0 °F 23.0 °F 64% 30.30 in 10.0 mi East 10.4 mph - N/A   Overcast
7:54 AM 35.1 °F 27.9 °F 24.1 °F 64% 30.30 in 10.0 mi ESE 9.2 mph - N/A   Overcast
8:54 AM 35.1 °F 26.9 °F 25.0 °F 67% 30.30 in 10.0 mi East 11.5 mph - N/A   Overcast
9:05 AM 35.6 °F 27.5 °F 24.8 °F 65% 30.30 in 10.0 mi East 11.5 mph - N/A   Overcast
9:54 AM 36.0 °F 28.0 °F 26.1 °F 67% 30.31 in 10.0 mi East 11.5 mph - N/A   Overcast
10:54 AM 36.0 °F 26.7 °F 26.1 °F 67% 30.28 in 10.0 mi ESE 15.0 mph - N/A   Overcast
11:54 AM 36.0 °F 26.0 °F 27.0 °F 70% 30.25 in 10.0 mi East 17.3 mph - N/A   Overcast
12:54 PM 37.0 °F 27.4 °F 28.0 °F 70% 30.23 in 10.0 mi ESE 17.3 mph - N/A   Overcast
1:54 PM 36.0 °F 26.0 °F 28.9 °F 76% 30.20 in 4.0 mi ESE 17.3 mph - 0.00 in Snow Light Snow
2:31 PM 35.6 °F 24.8 °F 30.2 °F 81% 30.20 in 3.0 mi ESE 19.6 mph - 0.01 in Snow Light Snow
2:54 PM 35.1 °F 25.2 °F 30.9 °F 85% 30.20 in 7.0 mi SE 16.1 mph - 0.01 in Rain Light Rain
3:24 PM 35.6 °F 25.5 °F 32.0 °F 87% 30.19 in 2.5 mi SE 17.3 mph - 0.00 in Snow Light Snow
3:47 PM 35.6 °F 27.1 °F 32.0 °F 87% 30.19 in 2.5 mi SE 12.7 mph - 0.01 in Rain Light Rain
3:54 PM 35.1 °F 25.5 °F 32.0 °F 89% 30.19 in 2.5 mi SE 15.0 mph - 0.01 in Rain Light Rain
3:58 PM 35.6 °F 26.2 °F 32.0 °F 87% 30.18 in 3.0 mi SE 15.0 mph - 0.00 in Rain Light Rain
4:03 PM 35.6 °F 26.2 °F 32.0 °F 87% 30.18 in 3.0 mi SE 15.0 mph - 0.00 in Rain Light Rain
4:19 PM 35.6 °F 27.5 °F 32.0 °F 87% 30.18 in 4.0 mi SE 11.5 mph - 0.00 in Rain Light Rain
4:54 PM 36.0 °F 26.7 °F 33.1 °F 89% 30.17 in 6.0 mi SE 15.0 mph - 0.01 in   Overcast
5:06 PM 35.6 °F 26.2 °F 33.8 °F 93% 30.17 in 6.0 mi SE 15.0 mph - 0.00 in Rain Light Rain
5:54 PM 36.0 °F 26.0 °F 34.0 °F 93% 30.17 in 3.0 mi ESE 17.3 mph - 0.00 in Rain Light Rain
6:15 PM 35.6 °F 24.8 °F 33.8 °F 93% 30.17 in 2.5 mi ESE 19.6 mph - 0.01 in Snow Light Snow
6:26 PM 35.6 °F 25.2 °F 33.8 °F 93% 30.16 in 3.0 mi ESE 18.4 mph - 0.01 in Rain Light Rain
6:31 PM 35.6 °F 24.8 °F 33.8 °F 93% 30.16 in 3.0 mi ESE 19.6 mph 24.2 mph 0.01 in Rain Light Rain
6:39 PM 35.6 °F 25.5 °F 33.8 °F 93% 30.16 in 2.5 mi ESE 17.3 mph 25.3 mph 0.02 in Rain Rain
6:47 PM 37.4 °F 27.8 °F 33.8 °F 87% 30.16 in 3.0 mi ESE 17.3 mph - 0.03 in Rain Light Rain
6:54 PM 36.0 °F 26.3 °F 34.0 °F 93% 30.15 in 4.0 mi East 16.1 mph - 0.03 in Rain Light Rain
7:52 PM 37.4 °F 27.8 °F 35.6 °F 93% 30.14 in 8.0 mi East 17.3 mph - 0.02 in Rain Light Rain
7:54 PM 37.0 °F 27.4 °F 35.1 °F 93% 30.14 in 8.0 mi East 17.3 mph - 0.02 in Rain Light Rain
8:07 PM 37.4 °F 27.2 °F 33.8 °F 87% 30.13 in 6.0 mi East 19.6 mph - 0.01 in Rain Light Rain
8:20 PM 37.4 °F 28.5 °F 33.8 °F 87% 30.14 in 8.0 mi East 15.0 mph - 0.02 in Rain Light Rain
8:44 PM 37.4 °F 27.8 °F 35.6 °F 93% 30.12 in 5.0 mi East 17.3 mph - 0.02 in Rain Light Rain
8:54 PM 37.0 °F 26.7 °F 35.1 °F 93% 30.12 in 4.0 mi East 19.6 mph 23.0 mph 0.03 in Rain Light Rain
9:07 PM 37.4 °F 27.8 °F 35.6 °F 93% 30.12 in 6.0 mi East 17.3 mph - 0.01 in Rain Light Rain
9:54 PM 37.9 °F 28.2 °F 35.1 °F 89% 30.12 in 3.0 mi East 18.4 mph - 0.04 in Rain Light Rain
10:04 PM 37.4 °F 28.2 °F 35.6 °F 93% 30.12 in 2.5 mi East 16.1 mph - 0.00 in Rain Light Rain
10:09 PM 37.4 °F 28.2 °F 35.6 °F 93% 30.11 in 3.0 mi East 16.1 mph - 0.00 in Rain Light Rain
10:16 PM 37.4 °F 27.2 °F 35.6 °F 93% 30.11 in 3.0 mi East 19.6 mph - 0.01 in Rain Light Rain
10:33 PM 37.4 °F 27.8 °F 35.6 °F 93% 30.11 in 3.0 mi East 17.3 mph - 0.01 in Rain Light Rain
10:52 PM 37.4 °F 27.8 °F 35.6 °F 93% 30.11 in 2.5 mi East 17.3 mph - 0.03 in Rain Rain
10:54 PM 37.9 °F 28.2 °F 36.0 °F 93% 30.11 in 2.5 mi East 18.4 mph - 0.03 in Rain Rain
11:54 PM 37.9 °F 28.2 °F 36.0 °F 93% 30.09 in 2.5 mi East 18.4 mph - 0.06 in Rain Light Rain