Weather History for Boston, MA

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Thursday, January 3, 2013

  Actual Average Record
Temperature  
Mean Temperature 16 °F 30 °F  
Max Temperature 25 °F 37 °F 64 °F (2000)
Min Temperature 7 °F 23 °F -1 °F (1904)
Degree Days  
Heating Degree Days 49 35  
Month to date heating degree days 129 105  
Since 1 July heating degree days 1959 2099  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point -1 °F    
Average Humidity 46    
Maximum Humidity 62    
Minimum Humidity 29    
Precipitation  
Precipitation 0.00 in 0.11 in 1.51 in (1999)
Month to date precipitation T 0.33  
Year to date precipitation T 0.33  
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 11 mph (WNW)    
Max Wind Speed 22 mph    
Max Gust Speed 31 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Astronomy

Jan. 03, 2013 Rise Set
Actual Time 7:13 AM EST 4:24 PM EST
Civil Twilight 6:41 AM EST 4:55 PM EST
Nautical Twilight 6:06 AM EST 5:31 PM EST
Astronomical Twilight 5:32 AM EST 6:05 PM EST
Moon 11:04 PM EST (1/3) 10:15 AM EST (1/3)
Length of Visible Light 10h 14m
Length of Day
9h 10m
Waning Gibbous, 65% of the Moon is Illuminated
Jan 3
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 10.0 °F -7.6 °F -7.1 °F 46% 30.12 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Clear
1:54 AM 10.0 °F -7.6 °F -7.1 °F 46% 30.14 in 10.0 mi NW 17.3 mph 23.0 mph N/A   Clear
2:54 AM 9.0 °F -8.5 °F -4.0 °F 56% 30.13 in 10.0 mi WNW 16.1 mph - N/A   Clear
3:54 AM 8.1 °F -9.6 °F -6.0 °F 53% 30.13 in 10.0 mi WNW 16.1 mph - N/A   Clear
4:54 AM 8.1 °F -6.2 °F -6.0 °F 53% 30.12 in 10.0 mi NW 10.4 mph - N/A   Clear
5:54 AM 7.0 °F -7.5 °F -6.0 °F 55% 30.12 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
6:54 AM 8.1 °F -5.3 °F -6.0 °F 53% 30.12 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
7:54 AM 8.1 °F -6.2 °F -6.0 °F 53% 30.14 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
8:54 AM 10.0 °F -3.7 °F -5.1 °F 51% 30.13 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
9:54 AM 12.9 °F -0.2 °F -2.9 °F 49% 30.13 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
10:54 AM 16.0 °F 4.4 °F -2.0 °F 45% 30.10 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
11:54 AM 19.0 °F 8.2 °F -0.9 °F 42% 30.09 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
12:54 PM 21.0 °F 8.1 °F -2.0 °F 36% 30.06 in 10.0 mi WNW 13.8 mph - N/A   Scattered Clouds
1:54 PM 23.0 °F 12.4 °F -0.0 °F 37% 30.03 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
2:54 PM 25.0 °F 15.5 °F -2.0 °F 31% 30.04 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
3:54 PM 24.1 °F 14.4 °F -4.0 °F 29% 30.03 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
4:54 PM 23.0 °F 14.7 °F -2.0 °F 34% 30.03 in 10.0 mi West 6.9 mph - N/A   Partly Cloudy
5:54 PM 23.0 °F 13.1 °F 1.9 °F 40% 30.04 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
6:54 PM 23.0 °F 13.9 °F 1.0 °F 39% 30.05 in 10.0 mi WNW 8.1 mph - N/A   Partly Cloudy
7:54 PM 24.1 °F 17.0 °F 6.1 °F 46% 30.04 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
8:54 PM 24.1 °F 12.5 °F 9.0 °F 53% 30.05 in 10.0 mi West 12.7 mph 18.4 mph N/A   Overcast
9:54 PM 21.9 °F 13.4 °F 9.0 °F 58% 30.05 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
10:54 PM 21.9 °F 12.5 °F 10.0 °F 60% 30.03 in 10.0 mi SW 8.1 mph - N/A   Scattered Clouds
11:54 PM 23.0 °F 13.1 °F 10.0 °F 58% 30.00 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds