Weather History for Boston, MA

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Thursday, January 27, 2011

  Actual Average Record
Temperature  
Mean Temperature 30 °F 29 °F  
Max Temperature 35 °F 36 °F 63 °F (1974)
Min Temperature 24 °F 22 °F -6 °F (1924)
Degree Days  
Heating Degree Days 35 36  
Month to date heating degree days 1003 968  
Since 1 July heating degree days 2925 2962  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 20 °F    
Average Humidity 66    
Maximum Humidity 92    
Minimum Humidity 40    
Precipitation  
Precipitation 0.68 in 0.10 in 1.82 in (1996)
Month to date precipitation 4.07 2.94  
Year to date precipitation 4.07 2.94  
Sea Level Pressure  
Sea Level Pressure 29.61 in    
Wind  
Wind Speed 15 mph (NNW)    
Max Wind Speed 36 mph    
Max Gust Speed 44 mph    
Visibility 4 miles    
Events Fog , Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 27, 2011 Rise Set
Actual Time 7:02 AM EST 4:51 PM EST
Civil Twilight 6:32 AM EST 5:21 PM EST
Nautical Twilight 5:58 AM EST 5:55 PM EST
Astronomical Twilight 5:25 AM EST 6:28 PM EST
Moon 1:29 AM EST (1/27) 11:06 AM EST (1/27)
Length of Visible Light 10h 48m
Length of Day
9h 48m
Last Quarter, 37% of the Moon is Illuminated
Jan 27
Last Quarter
Feb 2
New
Feb 11
First Quarter
Feb 18
Full
Feb 24
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:16 AM 30.2 °F 17.1 °F 28.4 °F 93% 29.57 in 0.8 mi North 21.9 mph - 0.02 in Snow Light Snow
12:54 AM 28.9 °F 14.3 °F 27.0 °F 92% 29.52 in 0.5 mi North 26.5 mph 35.7 mph 0.02 in Fog , Snow Snow
1:52 AM 26.6 °F 11.1 °F 24.8 °F 93% 29.54 in 0.8 mi North 26.5 mph 33.4 mph 0.01 in Snow Snow
1:54 AM 26.1 °F 10.7 °F 24.1 °F 92% 29.54 in 0.8 mi North 25.3 mph 33.4 mph 0.01 in Snow Light Snow
2:28 AM 26.6 °F 11.1 °F 24.8 °F 93% 29.52 in 0.2 mi North 26.5 mph 39.1 mph 0.00 in Fog , Snow Heavy Snow
2:40 AM 26.6 °F 12.4 °F 24.8 °F 93% 29.52 in 0.2 mi North 21.9 mph 35.7 mph 0.01 in Fog , Snow Heavy Snow
2:54 AM 26.1 °F 10.1 °F 24.1 °F 92% 29.51 in 0.2 mi North 27.6 mph 38.0 mph 0.01 in Fog , Snow Heavy Snow
3:19 AM 26.6 °F 11.7 °F 24.8 °F 93% 29.51 in 0.2 mi North 24.2 mph 33.4 mph 0.02 in Fog , Snow Heavy Snow
3:26 AM 26.6 °F 12.0 °F 24.8 °F 93% 29.51 in 0.2 mi North 23.0 mph 33.4 mph 0.02 in Fog , Snow Heavy Snow
3:54 AM 25.0 °F 11.3 °F 23.0 °F 92% 29.52 in 0.2 mi North 18.4 mph 27.6 mph 0.04 in Fog , Snow Heavy Snow
4:14 AM 24.8 °F 11.1 °F 23.0 °F 93% 29.53 in 0.2 mi North 18.4 mph 24.2 mph 0.02 in Fog , Snow Heavy Snow
4:38 AM 24.8 °F 12.9 °F 21.2 °F 86% 29.54 in 0.2 mi NNW 13.8 mph - 0.04 in Fog , Snow Heavy Snow
4:54 AM 24.1 °F 12.0 °F 21.9 °F 91% 29.53 in 0.5 mi North 13.8 mph 19.6 mph 0.05 in Fog , Snow Snow
5:27 AM 24.8 °F 12.9 °F 21.2 °F 86% 29.53 in 0.5 mi NNW 13.8 mph - 0.02 in Fog , Snow Snow
5:54 AM 24.1 °F 12.5 °F 21.0 °F 88% 29.54 in 1.0 mi NNW 12.7 mph - 0.02 in Snow Light Snow
6:54 AM 25.0 °F 12.2 °F 21.9 °F 88% 29.57 in 1.2 mi NNW 16.1 mph - 0.01 in Snow Light Snow
7:07 AM 24.8 °F 11.5 °F 21.2 °F 86% 29.57 in 1.8 mi NW 17.3 mph 25.3 mph 0.00 in Snow Light Snow
7:09 AM 24.8 °F 11.9 °F 21.2 °F 86% 29.57 in 2.0 mi NW 16.1 mph 25.3 mph 0.00 in Snow Light Snow
7:24 AM 24.8 °F 11.9 °F 21.2 °F 86% 29.57 in 3.0 mi NW 16.1 mph 24.2 mph 0.07 in Snow Light Snow
7:33 AM 24.8 °F 11.5 °F 21.2 °F 86% 29.57 in 3.0 mi NW 17.3 mph - 0.07 in Snow Light Snow
7:54 AM 26.1 °F 14.0 °F 21.0 °F 81% 29.58 in 3.0 mi NW 15.0 mph - 0.07 in Snow Light Snow
8:54 AM 28.0 °F 17.5 °F 21.0 °F 75% 29.60 in 3.0 mi NW 12.7 mph - 0.00 in   Overcast
9:54 AM 28.9 °F 16.9 °F 21.9 °F 75% 29.61 in 3.0 mi WNW 17.3 mph 24.2 mph N/A   Mostly Cloudy
10:54 AM 30.9 °F 19.1 °F 18.0 °F 59% 29.61 in 9.0 mi NW 18.4 mph 29.9 mph N/A   Scattered Clouds
11:54 AM 32.0 °F 22.1 °F 18.0 °F 56% 29.61 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Scattered Clouds
12:54 PM 33.1 °F 23.0 °F 17.1 °F 52% 29.61 in 10.0 mi NW 15.0 mph 29.9 mph N/A   Scattered Clouds
1:54 PM 33.1 °F 22.2 °F 15.1 °F 48% 29.64 in 10.0 mi NW 17.3 mph 26.5 mph N/A   Scattered Clouds
2:54 PM 35.1 °F 25.9 °F 14.0 °F 42% 29.66 in 10.0 mi NNW 13.8 mph - N/A   Scattered Clouds
3:54 PM 34.0 °F 25.5 °F 14.0 °F 44% 29.68 in 10.0 mi NW 11.5 mph 18.4 mph N/A   Mostly Cloudy
4:54 PM 33.1 °F 24.9 °F 14.0 °F 46% 29.70 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
5:54 PM 32.0 °F 24.8 °F 12.9 °F 45% 29.73 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
6:54 PM 30.9 °F 23.5 °F 12.9 °F 47% 29.75 in 10.0 mi NW 8.1 mph - N/A   Scattered Clouds
7:54 PM 30.9 °F 23.5 °F 14.0 °F 50% 29.78 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
8:54 PM 28.9 °F 19.8 °F 15.1 °F 56% 29.78 in 8.0 mi West 10.4 mph - N/A   Partly Cloudy
9:54 PM 28.0 °F 19.3 °F 15.1 °F 58% 29.79 in 10.0 mi WNW 9.2 mph - N/A   Clear
10:54 PM 28.0 °F 19.3 °F 17.1 °F 63% 29.83 in 10.0 mi West 9.2 mph - N/A   Clear
11:54 PM 28.0 °F 18.6 °F 17.1 °F 63% 29.83 in 10.0 mi West 10.4 mph - N/A   Clear