Weather History for Boston, MA

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Friday, December 24, 2010

  Actual Average Record
Temperature  
Mean Temperature 33 °F 32 °F  
Max Temperature 38 °F 39 °F 61 °F (1996)
Min Temperature 27 °F 26 °F 0 °F (1943)
Degree Days  
Heating Degree Days 32 33  
Month to date heating degree days 754 700  
Since 1 July heating degree days 1683 1755  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1082 747  
Moisture  
Dew Point 16 °F    
Average Humidity 55    
Maximum Humidity 69    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.12 in 1.33 in (1994)
Month to date precipitation 2.00 3.00  
Year to date precipitation 48.05 42.99  
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 14 mph (NW)    
Max Wind Speed 22 mph    
Max Gust Speed 28 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 24, 2010 Rise Set
Actual Time 7:11 AM EST 4:16 PM EST
Civil Twilight 6:39 AM EST 4:48 PM EST
Nautical Twilight 6:03 AM EST 5:23 PM EST
Astronomical Twilight 5:29 AM EST 5:57 PM EST
Moon 8:23 PM EST (12/24) 9:25 AM EST (12/24)
Length of Visible Light 10h 08m
Length of Day
9h 04m
Waning Gibbous, 86% of the Moon is Illuminated
Dec 24
Waning Gibbous
Dec 27
Last Quarter
Jan 4
New
Jan 12
First Quarter
Jan 19
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 30.9 °F 20.7 °F 21.0 °F 67% 29.84 in 10.0 mi NW 13.8 mph 23.0 mph N/A   Partly Cloudy
1:54 AM 30.9 °F 20.2 °F 21.0 °F 67% 29.85 in 10.0 mi NNW 15.0 mph 23.0 mph N/A   Clear
2:54 AM 30.9 °F 19.8 °F 21.0 °F 67% 29.87 in 10.0 mi NW 16.1 mph 21.9 mph N/A   Clear
3:54 AM 30.0 °F 19.5 °F 19.9 °F 66% 29.88 in 10.0 mi NW 13.8 mph 21.9 mph N/A   Clear
4:54 AM 28.9 °F 17.3 °F 19.0 °F 67% 29.89 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Clear
5:54 AM 28.9 °F 17.3 °F 18.0 °F 64% 29.91 in 10.0 mi NW 16.1 mph 25.3 mph N/A   Clear
6:54 AM 28.9 °F 18.6 °F 17.1 °F 61% 29.92 in 10.0 mi NW 12.7 mph - N/A   Scattered Clouds
7:54 AM 28.9 °F 18.2 °F 16.0 °F 58% 29.94 in 10.0 mi NW 13.8 mph 20.7 mph N/A   Scattered Clouds
8:54 AM 30.0 °F 18.7 °F 15.1 °F 54% 29.96 in 10.0 mi NW 16.1 mph - N/A   Scattered Clouds
9:54 AM 30.9 °F 20.7 °F 16.0 °F 54% 29.96 in 10.0 mi WNW 13.8 mph - N/A   Scattered Clouds
10:54 AM 32.0 °F 21.6 °F 15.1 °F 50% 29.96 in 10.0 mi NW 15.0 mph - N/A   Mostly Cloudy
11:54 AM 35.1 °F 25.9 °F 15.1 °F 44% 29.93 in 10.0 mi NNW 13.8 mph - N/A   Scattered Clouds
12:54 PM 36.0 °F 28.0 °F 15.1 °F 43% 29.92 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
1:54 PM 37.9 °F 30.5 °F 15.1 °F 39% 29.91 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
2:54 PM 37.0 °F 29.3 °F 15.1 °F 41% 29.92 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
3:54 PM 36.0 °F 28.5 °F 14.0 °F 41% 29.93 in 10.0 mi NW 10.4 mph - N/A   Scattered Clouds
4:54 PM 34.0 °F 25.5 °F 14.0 °F 44% 29.94 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
5:54 PM 33.1 °F 24.4 °F 14.0 °F 46% 29.95 in 10.0 mi NW 11.5 mph - N/A   Clear
6:54 PM 32.0 °F 22.5 °F 14.0 °F 48% 29.96 in 10.0 mi NW 12.7 mph - N/A   Partly Cloudy
7:54 PM 30.9 °F 20.7 °F 14.0 °F 50% 29.96 in 10.0 mi NW 13.8 mph - N/A   Clear
8:54 PM 30.0 °F 19.1 °F 12.9 °F 49% 29.96 in 10.0 mi NW 15.0 mph 24.2 mph N/A   Partly Cloudy
9:54 PM 30.0 °F 18.7 °F 12.9 °F 49% 29.97 in 10.0 mi NW 16.1 mph 23.0 mph N/A   Clear
10:54 PM 28.0 °F 18.1 °F 12.9 °F 53% 29.98 in 10.0 mi NW 11.5 mph - N/A   Clear
11:54 PM 27.0 °F 14.7 °F 12.9 °F 56% 29.96 in 10.0 mi NW 16.1 mph - N/A   Clear