Weather History for Boston, MA

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Monday, December 10, 2012

  Actual Average Record
Temperature  
Mean Temperature 51 °F 37 °F  
Max Temperature 60 °F 43 °F 64 °F (1907)
Min Temperature 42 °F 30 °F -1 °F (1902)
Degree Days  
Heating Degree Days 14 28  
Month to date heating degree days 221 268  
Since 1 July heating degree days 1234 1323  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 905 747  
Moisture  
Dew Point 49 °F    
Average Humidity 95    
Maximum Humidity 100    
Minimum Humidity 89    
Precipitation  
Precipitation 0.56 in 0.13 in 2.58 in (1878)
Month to date precipitation 1.05 1.31  
Year to date precipitation 31.85 41.30  
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 8 mph (SSE)    
Max Wind Speed 21 mph    
Max Gust Speed 25 mph    
Visibility 6 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 10, 2012 Rise Set
Actual Time 7:02 AM EST 4:11 PM EST
Civil Twilight 6:30 AM EST 4:43 PM EST
Nautical Twilight 5:55 AM EST 5:18 PM EST
Astronomical Twilight 5:21 AM EST 5:52 PM EST
Moon 3:40 AM EST (12/10) 2:00 PM EST (12/10)
Length of Visible Light 10h 12m
Length of Day
9h 08m
Waning Crescent, 10% of the Moon is Illuminated
Dec 10
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:30 AM 42.8 °F 38.6 °F 39.2 °F 87% 30.15 in 6.0 mi ESE 6.9 mph - 0.06 in Rain Light Rain
12:40 AM 42.8 °F 35.8 °F 39.2 °F 87% 30.14 in 7.0 mi ESE 13.8 mph 18.4 mph 0.06 in Rain Light Rain
12:48 AM 42.8 °F 36.2 °F 39.2 °F 87% 30.13 in 9.0 mi ESE 12.7 mph - 0.07 in Rain Light Rain
12:54 AM 43.0 °F 36.4 °F 41.0 °F 93% 30.13 in 7.0 mi ESE 12.7 mph - 0.07 in Rain Light Rain
1:54 AM 43.0 °F 36.4 °F 39.9 °F 89% 30.09 in 4.0 mi ESE 12.7 mph - 0.13 in Rain Rain
1:57 AM 42.8 °F 36.6 °F 41.0 °F 93% 30.10 in 4.0 mi ESE 11.5 mph - 0.01 in Rain Rain
2:08 AM 44.6 °F 37.4 °F 41.0 °F 87% 30.09 in 5.0 mi East 16.1 mph - 0.03 in Rain Rain
2:25 AM 44.6 °F 37.4 °F 41.0 °F 87% 30.07 in 5.0 mi East 16.1 mph - 0.04 in Rain Light Rain
2:36 AM 44.6 °F 37.8 °F 42.8 °F 93% 30.06 in 4.0 mi East 15.0 mph - 0.06 in Rain Rain
2:54 AM 45.0 °F 38.5 °F 42.1 °F 90% 30.04 in 4.0 mi East 13.8 mph - 0.10 in Rain Light Rain
3:10 AM 44.6 °F 37.8 °F 42.8 °F 93% 30.02 in 5.0 mi East 15.0 mph - 0.01 in Rain Light Rain
3:25 AM 44.6 °F 36.9 °F 42.8 °F 93% 30.01 in 4.0 mi ESE 18.4 mph - 0.02 in Rain Light Rain
3:42 AM 44.6 °F 36.6 °F 42.8 °F 93% 29.99 in 4.0 mi ESE 19.6 mph - 0.04 in Rain Light Rain
3:50 AM 44.6 °F 37.8 °F 42.8 °F 93% 29.99 in 5.0 mi ESE 15.0 mph - 0.05 in Rain Light Rain
3:54 AM 45.0 °F 37.9 °F 43.0 °F 93% 29.99 in 6.0 mi ESE 16.1 mph - 0.05 in Rain Light Rain
4:08 AM 44.6 °F 38.4 °F 42.8 °F 93% 29.98 in 5.0 mi ESE 12.7 mph 24.2 mph 0.00 in Rain Light Rain
4:16 AM 44.6 °F 37.4 °F 42.8 °F 93% 29.96 in 4.0 mi ESE 16.1 mph - 0.01 in Rain Light Rain
4:54 AM 45.0 °F 38.9 °F 44.1 °F 97% 29.93 in 6.0 mi ESE 12.7 mph - 0.02 in   Overcast
5:54 AM 45.0 °F 43.5 °F 45.0 °F 100% 29.88 in 4.0 mi East 3.5 mph - 0.02 in Rain Light Rain
6:54 AM 46.0 °F - 46.0 °F 100% 29.83 in 8.0 mi Calm Calm - 0.03 in Rain Light Rain
7:11 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.83 in 1.8 mi West 4.6 mph - 0.04 in Rain Rain
7:31 AM 46.4 °F 44.3 °F 44.6 °F 93% 29.82 in 10.0 mi WSW 4.6 mph - 0.09 in   Overcast
7:54 AM 46.9 °F - 46.0 °F 97% 29.82 in 8.0 mi West 4.6 mph - 0.09 in Rain Light Rain
8:54 AM 48.0 °F - 46.9 °F 96% 29.81 in 4.0 mi Calm Calm - 0.00 in   Overcast
9:54 AM 48.0 °F - 46.9 °F 96% 29.79 in 7.0 mi Variable 3.5 mph - N/A   Overcast
10:54 AM 50.0 °F - 48.9 °F 96% 29.75 in 5.0 mi South 3.5 mph - N/A   Overcast
11:05 AM 50.0 °F - 48.2 °F 94% 29.75 in 5.0 mi Calm Calm - N/A   Overcast
11:19 AM 50.0 °F - 48.2 °F 94% 29.74 in 4.0 mi SSE 3.5 mph - N/A   Overcast
11:50 AM 50.0 °F - 48.2 °F 94% 29.71 in 4.0 mi Calm Calm - N/A   Overcast
11:54 AM 50.0 °F - 48.9 °F 96% 29.71 in 4.0 mi SE 4.6 mph - N/A   Overcast
12:54 PM 57.9 °F - 57.0 °F 97% 29.66 in 8.0 mi SSW 11.5 mph - N/A   Overcast
1:16 PM 57.2 °F - 57.2 °F 100% 29.65 in 10.0 mi SSW 12.7 mph - N/A   Overcast
1:54 PM 59.0 °F - 57.0 °F 93% 29.64 in 8.0 mi SW 11.5 mph - 0.02 in Rain Light Rain
2:07 PM 60.8 °F - 57.2 °F 88% 29.63 in 8.0 mi SSW 11.5 mph - 0.00 in Rain Light Rain
2:35 PM 59.0 °F - 57.2 °F 94% 29.62 in 10.0 mi SSW 9.2 mph - 0.01 in Rain Light Rain
2:54 PM 59.0 °F - 57.0 °F 93% 29.62 in 10.0 mi SSW 9.2 mph - 0.01 in   Mostly Cloudy
3:54 PM 57.9 °F - 57.0 °F 97% 29.60 in 6.0 mi South 8.1 mph - 0.00 in   Light Drizzle
4:02 PM 57.2 °F - 57.2 °F 100% 29.60 in 6.0 mi South 9.2 mph - 0.00 in   Light Drizzle
4:54 PM 57.9 °F - 57.0 °F 97% 29.58 in 10.0 mi SSW 8.1 mph - 0.00 in   Overcast
5:31 PM 57.2 °F - 55.4 °F 94% 29.56 in 10.0 mi SSW 8.1 mph - 0.00 in   Overcast
5:49 PM 57.2 °F - 55.4 °F 94% 29.56 in 4.0 mi SSW 9.2 mph - 0.02 in Rain Light Rain
5:54 PM 57.0 °F - 55.9 °F 96% 29.56 in 4.0 mi South 8.1 mph - 0.03 in Rain Light Rain
6:14 PM 55.4 °F - 55.4 °F 100% 29.55 in 10.0 mi South 8.1 mph - 0.00 in   Overcast
6:54 PM 55.9 °F - 55.9 °F 100% 29.53 in 9.0 mi SSW 5.8 mph - 0.00 in   Overcast
7:15 PM 55.4 °F - 55.4 °F 100% 29.51 in 7.0 mi South 6.9 mph - N/A   Overcast
7:40 PM 55.4 °F - 55.4 °F 100% 29.51 in 4.0 mi South 5.8 mph - N/A   Overcast
7:54 PM 55.0 °F - 55.0 °F 100% 29.51 in 6.0 mi South 5.8 mph - N/A   Overcast
8:54 PM 57.0 °F - 55.9 °F 96% 29.50 in 10.0 mi WSW 10.4 mph - N/A   Overcast
9:54 PM 57.0 °F - 55.0 °F 93% 29.50 in 8.0 mi WSW 9.2 mph - N/A   Overcast
10:54 PM 55.0 °F - 54.0 °F 96% 29.51 in 10.0 mi SW 8.1 mph - N/A   Mostly Cloudy
11:54 PM 55.0 °F - 54.0 °F 96% 29.52 in 10.0 mi SW 8.1 mph - N/A   Overcast