Weather History for Boston, MA

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Wednesday, January 15, 2014

  Actual Average Record
Temperature  
Mean Temperature 42 °F 29 °F  
Max Temperature 48 °F 35 °F 66 °F (1995)
Min Temperature 35 °F 22 °F -12 °F (1957)
Degree Days  
Heating Degree Days 23 36  
Month to date heating degree days 530 536  
Since 1 July heating degree days 2519 2530  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 35 °F    
Average Humidity 76    
Maximum Humidity 92    
Minimum Humidity 60    
Precipitation  
Precipitation T in 0.12 in 1.79 in (1958)
Month to date precipitation 2.28 1.66  
Year to date precipitation 2.28 1.66  
Sea Level Pressure  
Sea Level Pressure 29.94 in    
Wind  
Wind Speed 7 mph (SW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 9 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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Date:

Astronomy

Jan. 15, 2014 Rise Set
Actual Time 7:10 AM EST 4:36 PM EST
Civil Twilight 6:39 AM EST 5:07 PM EST
Nautical Twilight 6:04 AM EST 5:42 PM EST
Astronomical Twilight 5:31 AM EST 6:16 PM EST
Moon 4:32 PM EST (1/15) 6:23 AM EST (1/15)
Length of Visible Light 10h 28m
Length of Day
9h 26m
Full, 100% of the Moon is Illuminated
Jan 15
Full
Jan 15
Full
Jan 24
Last Quarter
Jan 30
New
Feb 6
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 43.0 °F 37.7 °F 39.0 °F 86% 29.79 in 10.0 mi West 9.2 mph - 0.00 in   Partly Cloudy
1:54 AM 43.0 °F 36.8 °F 37.9 °F 82% 29.81 in 10.0 mi West 11.5 mph - N/A   Clear
2:54 AM 42.1 °F 36.1 °F 37.0 °F 82% 29.86 in 10.0 mi West 10.4 mph - N/A   Clear
3:54 AM 41.0 °F 35.2 °F 35.1 °F 79% 29.88 in 10.0 mi West 9.2 mph - N/A   Clear
4:54 AM 39.0 °F 32.8 °F 34.0 °F 82% 29.92 in 10.0 mi SW 9.2 mph - N/A   Clear
5:54 AM 37.0 °F 30.4 °F 34.0 °F 89% 29.96 in 10.0 mi SW 9.2 mph - N/A   Clear
6:54 AM 36.0 °F 28.5 °F 33.1 °F 89% 29.97 in 9.0 mi SW 10.4 mph - N/A   Clear
7:54 AM 37.0 °F 33.3 °F 32.0 °F 82% 30.00 in 10.0 mi Variable 4.6 mph - N/A   Clear
8:54 AM 39.0 °F 35.7 °F 32.0 °F 76% 30.02 in 10.0 mi WSW 4.6 mph - N/A   Clear
9:54 AM 42.1 °F 37.7 °F 32.0 °F 67% 30.02 in 10.0 mi SW 6.9 mph - N/A   Clear
10:54 AM 44.1 °F 40.1 °F 32.0 °F 63% 30.02 in 10.0 mi SW 6.9 mph - N/A   Partly Cloudy
11:54 AM 46.0 °F 41.9 °F 33.1 °F 61% 29.99 in 10.0 mi SSW 8.1 mph - N/A   Scattered Clouds
12:54 PM 46.0 °F 41.4 °F 35.1 °F 66% 29.97 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
1:54 PM 46.9 °F - 33.1 °F 59% 29.96 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
2:54 PM 46.0 °F 41.4 °F 34.0 °F 63% 29.96 in 10.0 mi South 9.2 mph - N/A   Mostly Cloudy
3:54 PM 44.1 °F 40.8 °F 35.1 °F 71% 29.96 in 10.0 mi SSW 5.8 mph - N/A   Overcast
4:54 PM 42.1 °F 38.4 °F 34.0 °F 73% 29.96 in 10.0 mi SSW 5.8 mph - N/A   Overcast
5:54 PM 39.9 °F 36.7 °F 34.0 °F 79% 29.96 in 10.0 mi SSE 4.6 mph - N/A   Overcast
6:54 PM 39.9 °F 37.8 °F 35.1 °F 83% 29.96 in 10.0 mi South 3.5 mph - N/A   Overcast
7:54 PM 42.1 °F 38.4 °F 36.0 °F 79% 29.96 in 9.0 mi SW 5.8 mph - N/A   Overcast
8:54 PM 39.0 °F 36.8 °F 36.0 °F 89% 29.93 in 7.0 mi South 3.5 mph - N/A   Overcast
9:54 PM 37.9 °F - 35.1 °F 89% 29.91 in 7.0 mi Calm Calm - N/A   Overcast
10:54 PM 39.0 °F - 36.0 °F 89% 29.90 in 6.0 mi Calm Calm - N/A   Overcast
11:46 PM 35.6 °F - 35.6 °F 100% 29.90 in 3.0 mi Calm Calm - N/A   Mostly Cloudy
11:54 PM 37.9 °F - 36.0 °F 93% 29.89 in 3.0 mi Calm Calm - N/A   Mostly Cloudy