Winthrop, MA

3:04 PM EST on January 23, 2017 (GMT -0500)
Logan International

Weather History for KBOS - December, 2011

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Tuesday, December 6, 2011

  Actual Average Record
Temperature  
Mean Temperature 55 °F 38 °F  
Max Temperature 61 °F 44 °F 72 °F (2001)
Min Temperature 49 °F 32 °F 8 °F (1935)
Degree Days  
Heating Degree Days 10 27  
Month to date heating degree days 110 157  
Since 1 July heating degree days 835 1212  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1007 747  
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 89    
Maximum Humidity 93    
Minimum Humidity 84    
Precipitation  
Precipitation 0.09 in 0.13 in 2.91 in (1937)
Month to date precipitation 0.09 0.79  
Year to date precipitation 48.52 40.78  
Snow  
Snow 0.00 in 0.20 in 11.90 in (2003)
Month to date snowfall 0.0 1.1  
Since 1 July snowfall 1.0 2.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.01 in    
Wind  
Wind Speed 9 mph (SSW)    
Max Wind Speed 16 mph    
Max Gust Speed 23 mph    
Visibility 8 miles    
Events Rain    
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. 06, 2011 Rise Set
Actual Time 6:58 AM EST 4:11 PM EST
Civil Twilight 6:26 AM EST 4:43 PM EST
Nautical Twilight 5:51 AM EST 5:18 PM EST
Astronomical Twilight 5:17 AM EST 5:52 PM EST
Moon 1:39 PM EST (12/6) 3:11 AM EST (12/6)
Length of Visible Light 10h 16m
Length of Day
9h 13m
Waxing Gibbous, 86% of the Moon is Illuminated
Dec 6
Waxing Gibbous
Dec 10
Full
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 51.1 °F 48.9 °F 92% 30.19 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
1:54 AM 51.1 °F 48.9 °F 92% 30.18 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
2:54 AM 53.1 °F 50.0 °F 89% 30.16 in 10.0 mi SSW 8.1 mph - N/A   Overcast
3:54 AM 55.0 °F 51.1 °F 86% 30.14 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
4:54 AM 55.0 °F 51.1 °F 86% 30.14 in 8.0 mi SW 6.9 mph - N/A   Overcast
5:54 AM 54.0 °F 51.1 °F 90% 30.12 in 10.0 mi SSW 5.8 mph - N/A   Overcast
6:54 AM 55.9 °F 52.0 °F 87% 30.11 in 10.0 mi South 11.5 mph - N/A   Overcast
7:54 AM 55.9 °F 53.1 °F 90% 30.09 in 10.0 mi SSW 8.1 mph - N/A   Overcast
8:54 AM 57.0 °F 54.0 °F 89% 30.08 in 10.0 mi SSW 8.1 mph - N/A   Overcast
9:54 AM 60.1 °F 55.0 °F 83% 30.06 in 10.0 mi SW 11.5 mph - N/A   Overcast
10:36 AM 60.8 °F 55.4 °F 82% 30.06 in 5.0 mi SW 13.8 mph - 0.00 in Rain Light Rain
10:44 AM 59.0 °F 55.4 °F 88% 30.05 in 3.0 mi SW 10.4 mph - 0.00 in Rain Light Rain
10:54 AM 59.0 °F 55.9 °F 90% 30.05 in 3.0 mi SSW 13.8 mph 19.6 mph 0.00 in Rain Light Rain
11:54 AM 60.1 °F 57.0 °F 90% 30.02 in 10.0 mi SW 13.8 mph - 0.00 in   Overcast
12:07 PM 60.8 °F 57.2 °F 88% 30.01 in 10.0 mi SW 10.4 mph - N/A   Overcast
12:17 PM 60.8 °F 57.2 °F 88% 30.00 in 10.0 mi SW 10.4 mph - N/A   Overcast
12:54 PM 61.0 °F 57.0 °F 87% 29.99 in 10.0 mi SW 11.5 mph - N/A   Overcast
1:11 PM 60.8 °F 57.2 °F 88% 29.99 in 10.0 mi SW 12.7 mph - N/A   Overcast
1:54 PM 61.0 °F 55.9 °F 83% 29.98 in 10.0 mi WSW 11.5 mph - N/A   Overcast
2:54 PM 61.0 °F 55.9 °F 83% 29.97 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
3:54 PM 61.0 °F 55.9 °F 83% 29.97 in 10.0 mi SW 11.5 mph - N/A   Overcast
4:54 PM 57.9 °F 55.0 °F 90% 29.96 in 10.0 mi West 15.0 mph 23.0 mph 0.00 in   Overcast
5:33 PM 57.2 °F 55.4 °F 94% 29.97 in 10.0 mi SSW 5.8 mph - 0.00 in   Overcast
5:54 PM 57.9 °F 55.9 °F 93% 29.96 in 6.0 mi South 5.8 mph - 0.01 in Rain Rain
6:06 PM 57.2 °F 55.4 °F 94% 29.95 in 6.0 mi South 6.9 mph - 0.02 in Rain Light Rain
6:54 PM 57.0 °F 55.0 °F 93% 29.96 in 6.0 mi SSW 6.9 mph - 0.04 in Rain Light Rain
7:07 PM 57.2 °F 55.4 °F 94% 29.96 in 7.0 mi SW 5.8 mph - 0.01 in Rain Light Rain
7:18 PM 59.0 °F 55.4 °F 88% 29.96 in 8.0 mi WSW 9.2 mph - 0.01 in Rain Light Rain
7:43 PM 57.2 °F 55.4 °F 94% 29.96 in 5.0 mi SW 9.2 mph - 0.02 in Rain Light Rain
7:54 PM 57.9 °F 55.9 °F 93% 29.96 in 4.0 mi SSW 5.8 mph - 0.03 in Rain Light Rain
8:08 PM 57.2 °F 55.4 °F 94% 29.95 in 4.0 mi SSW 5.8 mph - 0.00 in Rain Light Rain
8:16 PM 57.2 °F 55.4 °F 94% 29.95 in 4.0 mi SSW 6.9 mph - 0.01 in Rain Light Rain
8:32 PM 57.2 °F 55.4 °F 94% 29.95 in 5.0 mi SSW 5.8 mph - 0.01 in   Overcast
8:39 PM 57.2 °F 55.4 °F 94% 29.94 in 5.0 mi South 5.8 mph - 0.01 in   Overcast
8:48 PM 57.2 °F 55.4 °F 94% 29.94 in 2.5 mi South 6.9 mph - 0.01 in Rain Light Rain
8:54 PM 57.0 °F 55.9 °F 96% 29.94 in 3.0 mi South 5.8 mph - 0.01 in   Overcast
9:54 PM 57.0 °F 55.0 °F 93% 29.93 in 10.0 mi SSW 6.9 mph - 0.00 in Rain Light Rain
10:20 PM 57.2 °F 55.4 °F 94% 29.92 in 10.0 mi SSW 5.8 mph - 0.00 in   Overcast
10:54 PM 57.0 °F 55.0 °F 93% 29.91 in 10.0 mi SSW 9.2 mph - 0.00 in   Overcast
11:12 PM 57.2 °F 55.4 °F 94% 29.90 in 10.0 mi SSW 10.4 mph - N/A   Overcast
11:54 PM 57.9 °F 55.0 °F 90% 29.88 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy