Weather History for Boston, MA

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Saturday, January 7, 2012

  Actual Average Record
Temperature  
Mean Temperature 45 °F 29 °F  
Max Temperature 60 °F 36 °F 63 °F (1930)
Min Temperature 30 °F 23 °F -2 °F (1896)
Degree Days  
Heating Degree Days 20 36  
Month to date heating degree days 208 248  
Since 1 July heating degree days 1699 2242  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 31 °F    
Average Humidity 61    
Maximum Humidity 89    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.10 in 1.67 in (1977)
Month to date precipitation 0.02 0.77  
Year to date precipitation 0.02 0.77  
Snow  
Snow 0.00 in 0.40 in 13.80 in (1977)
Month to date snowfall T 2.9  
Since 1 July snowfall 1.0 13.2  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.75 in    
Wind  
Wind Speed 5 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 26 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 07, 2012 Rise Set
Actual Time 7:13 AM EST 4:27 PM EST
Civil Twilight 6:41 AM EST 4:58 PM EST
Nautical Twilight 6:06 AM EST 5:34 PM EST
Astronomical Twilight 5:32 AM EST 6:08 PM EST
Moon 3:08 PM EST (1/7) 5:42 AM EST (1/7)
Length of Visible Light 10h 17m
Length of Day
9h 14m
Waxing Gibbous, 97% of the Moon is Illuminated
Jan 7
Waxing Gibbous
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
Jan 30
First 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 35.1 °F - 30.9 °F 85% 29.74 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
1:54 AM 34.0 °F - 30.0 °F 85% 29.75 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
2:54 AM 34.0 °F 31.0 °F 30.9 °F 89% 29.75 in 9.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
3:54 AM 35.1 °F 32.2 °F 30.9 °F 85% 29.74 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
4:54 AM 33.1 °F - 28.0 °F 82% 29.74 in 9.0 mi Calm Calm - N/A   Scattered Clouds
5:54 AM 30.0 °F 25.2 °F 27.0 °F 88% 29.74 in 6.0 mi North 4.6 mph - N/A   Scattered Clouds
6:54 AM 32.0 °F - 28.0 °F 85% 29.75 in 8.0 mi Calm Calm - N/A   Scattered Clouds
7:54 AM 34.0 °F - 28.9 °F 82% 29.76 in 7.0 mi Calm Calm - N/A   Scattered Clouds
8:54 AM 37.0 °F - 30.9 °F 79% 29.76 in 7.0 mi Calm Calm - N/A   Partly Cloudy
9:54 AM 41.0 °F - 32.0 °F 70% 29.76 in 8.0 mi Calm Calm - N/A   Partly Cloudy
10:54 AM 43.0 °F - 33.1 °F 68% 29.72 in 8.0 mi Calm Calm - N/A   Partly Cloudy
11:54 AM 48.0 °F - 33.1 °F 56% 29.68 in 10.0 mi Calm Calm - N/A   Partly Cloudy
12:54 PM 48.0 °F - 35.1 °F 61% 29.66 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
1:54 PM 48.0 °F - 36.0 °F 63% 29.65 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
2:54 PM 59.0 °F - 30.9 °F 35% 29.65 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
3:54 PM 59.0 °F - 32.0 °F 36% 29.68 in 10.0 mi West 10.4 mph - N/A   Mostly Cloudy
4:54 PM 57.0 °F - 32.0 °F 39% 29.70 in 10.0 mi West 6.9 mph - N/A   Overcast
5:54 PM 55.0 °F - 30.9 °F 40% 29.74 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
6:54 PM 52.0 °F - 32.0 °F 47% 29.78 in 10.0 mi WNW 10.4 mph 19.6 mph N/A   Mostly Cloudy
7:54 PM 50.0 °F - 32.0 °F 50% 29.80 in 10.0 mi WNW 11.5 mph - N/A   Overcast
8:54 PM 48.0 °F - 30.9 °F 52% 29.81 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
9:54 PM 48.0 °F - 30.9 °F 52% 29.85 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
10:54 PM 46.9 °F - 30.0 °F 52% 29.86 in 10.0 mi West 10.4 mph - N/A   Partly Cloudy
11:54 PM 45.0 °F 39.7 °F 28.0 °F 52% 29.88 in 10.0 mi WNW 10.4 mph - N/A   Clear