Weather History for Boston, MA

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Saturday, September 7, 2013

  Actual Average Record
Temperature  
Mean Temperature 68 °F 68 °F  
Max Temperature 81 °F 75 °F 102 °F (1881)
Min Temperature 54 °F 60 °F 43 °F (1888)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 4 7  
Since 1 July heating degree days 6 20  
Cooling Degree Days 3 4  
Month to date cooling degree days 40 32  
Year to date cooling degree days 861 691  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 47 °F    
Average Humidity 49    
Maximum Humidity 66    
Minimum Humidity 32    
Precipitation  
Precipitation T in 0.11 in 1.70 in (1891)
Month to date precipitation 0.85 0.72  
Year to date precipitation 31.05 29.34  
Sea Level Pressure  
Sea Level Pressure 29.97 in    
Wind  
Wind Speed 11 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 23 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 07, 2013 Rise Set
Actual Time 6:15 AM EDT 7:07 PM EDT
Civil Twilight 5:47 AM EDT 7:35 PM EDT
Nautical Twilight 5:13 AM EDT 8:09 PM EDT
Astronomical Twilight 4:37 AM EDT 8:44 PM EDT
Moon 8:30 AM EDT (9/7) 7:59 PM EDT (9/7)
Length of Visible Light 13h 48m
Length of Day
12h 51m
Waxing Crescent, 5% of the Moon is Illuminated
Sep 7
Waxing Crescent
Sep 12
First Quarter
Sep 19
Full
Sep 26
Last Quarter
Oct 4
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 57.9 °F 44.1 °F 60% 30.09 in 10.0 mi WSW 9.2 mph - N/A   Clear
1:54 AM 55.9 °F 44.1 °F 64% 30.08 in 10.0 mi WSW 9.2 mph - N/A   Clear
2:54 AM 55.0 °F 44.1 °F 67% 30.07 in 10.0 mi SSW 11.5 mph - N/A   Clear
3:54 AM 57.0 °F 44.1 °F 62% 30.06 in 10.0 mi WSW 13.8 mph - N/A   Clear
4:54 AM 57.0 °F 42.1 °F 57% 30.06 in 10.0 mi WSW 10.4 mph - N/A   Partly Cloudy
5:54 AM 55.9 °F 43.0 °F 62% 30.06 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
6:54 AM 55.0 °F 43.0 °F 64% 30.05 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
7:54 AM 60.1 °F 43.0 °F 53% 30.05 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
8:54 AM 63.0 °F 44.1 °F 50% 30.04 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
9:54 AM 66.9 °F 46.0 °F 47% 30.03 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
10:54 AM 71.1 °F 46.9 °F 42% 30.01 in 10.0 mi WSW 9.2 mph - N/A   Scattered Clouds
11:54 AM 73.0 °F 46.9 °F 39% 29.99 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
12:54 PM 77.0 °F 46.0 °F 33% 29.96 in 10.0 mi West 11.5 mph 18.4 mph N/A   Scattered Clouds
1:54 PM 78.1 °F 46.0 °F 32% 29.94 in 10.0 mi WSW 10.4 mph - N/A   Scattered Clouds
2:54 PM 80.1 °F 48.9 °F 34% 29.92 in 10.0 mi SW 13.8 mph 19.6 mph N/A   Scattered Clouds
3:54 PM 78.1 °F 46.9 °F 33% 29.90 in 10.0 mi WSW 10.4 mph - N/A   Mostly Cloudy
4:54 PM 78.1 °F 46.9 °F 33% 29.89 in 10.0 mi WSW 12.7 mph 23.0 mph N/A   Mostly Cloudy
5:54 PM 75.9 °F 50.0 °F 40% 29.89 in 10.0 mi WSW 11.5 mph 19.6 mph N/A   Mostly Cloudy
6:54 PM 73.9 °F 50.0 °F 43% 29.89 in 10.0 mi WSW 11.5 mph - N/A   Overcast
7:54 PM 73.0 °F 51.1 °F 46% 29.89 in 10.0 mi WSW 10.4 mph - N/A   Overcast
8:54 PM 71.1 °F 53.1 °F 53% 29.89 in 10.0 mi SW 11.5 mph - N/A   Overcast
9:54 PM 70.0 °F 54.0 °F 57% 29.88 in 10.0 mi WSW 15.0 mph 20.7 mph N/A   Overcast
10:54 PM 69.1 °F 51.1 °F 53% 29.88 in 10.0 mi WSW 11.5 mph - N/A   Overcast
11:54 PM 68.0 °F 52.0 °F 56% 29.86 in 10.0 mi WSW 9.2 mph - N/A   Overcast