Weather History for Boston, MA

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Wednesday, April 9, 2014

  Actual Average Record
Temperature  
Mean Temperature 50 °F 46 °F  
Max Temperature 59 °F 53 °F 85 °F (1991)
Min Temperature 41 °F 39 °F 24 °F (1888)
Degree Days  
Heating Degree Days 15 19  
Month to date heating degree days 171 186  
Since 1 July heating degree days 5289 5057  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 1 (Base 50)    
Moisture  
Dew Point 26 °F    
Average Humidity 45    
Maximum Humidity 67    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.14 in 1.72 in (1935)
Month to date precipitation 1.20 1.23  
Year to date precipitation 13.05 12.16  
Sea Level Pressure  
Sea Level Pressure 29.67 in    
Wind  
Wind Speed 13 mph (NW)    
Max Wind Speed 24 mph    
Max Gust Speed 32 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

Apr. 09, 2014 Rise Set
Actual Time 6:13 AM EDT 7:18 PM EDT
Civil Twilight 5:44 AM EDT 7:47 PM EDT
Nautical Twilight 5:09 AM EDT 8:22 PM EDT
Astronomical Twilight 4:33 AM EDT 8:58 PM EDT
Moon 1:58 PM EDT (4/9) 3:06 AM EDT (4/9)
Length of Visible Light 14h 03m
Length of Day
13h 05m
Waxing Gibbous, 71% of the Moon is Illuminated
Apr 9
Waxing Gibbous
Apr 15
Full
Apr 22
Last Quarter
Apr 29
New
May 6
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 46.0 °F 39.0 °F 30.9 °F 56% 29.54 in 10.0 mi West 17.3 mph 25.3 mph N/A   Partly Cloudy
1:54 AM 45.0 °F 38.2 °F 30.9 °F 58% 29.56 in 10.0 mi West 15.0 mph - N/A   Clear
2:54 AM 44.1 °F 37.4 °F 30.9 °F 60% 29.55 in 10.0 mi WNW 13.8 mph - N/A   Clear
3:54 AM 43.0 °F 37.2 °F 30.9 °F 62% 29.54 in 10.0 mi WNW 10.4 mph - N/A   Clear
4:54 AM 43.0 °F 38.2 °F 32.0 °F 65% 29.58 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
5:54 AM 43.0 °F 37.7 °F 32.0 °F 65% 29.57 in 10.0 mi WNW 9.2 mph - N/A   Scattered Clouds
6:54 AM 43.0 °F 37.7 °F 32.0 °F 65% 29.62 in 10.0 mi West 9.2 mph - N/A   Scattered Clouds
7:54 AM 46.0 °F 42.5 °F 33.1 °F 61% 29.64 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
8:54 AM 48.9 °F - 34.0 °F 56% 29.62 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy
9:54 AM 51.1 °F - 33.1 °F 50% 29.62 in 10.0 mi WNW 11.5 mph 16.1 mph N/A   Scattered Clouds
10:54 AM 53.1 °F - 34.0 °F 48% 29.63 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
11:54 AM 55.9 °F - 33.1 °F 42% 29.62 in 10.0 mi NNW 16.1 mph 20.7 mph N/A   Scattered Clouds
12:54 PM 55.0 °F - 32.0 °F 42% 29.62 in 10.0 mi NNW 12.7 mph 23.0 mph N/A   Mostly Cloudy
1:54 PM 57.9 °F - 30.9 °F 36% 29.63 in 10.0 mi NW 10.4 mph 21.9 mph N/A   Mostly Cloudy
2:54 PM 55.9 °F - 28.0 °F 34% 29.63 in 10.0 mi NW 19.6 mph 25.3 mph N/A   Mostly Cloudy
3:54 PM 55.9 °F - 25.0 °F 30% 29.64 in 10.0 mi NNW 18.4 mph 25.3 mph N/A   Scattered Clouds
4:54 PM 55.0 °F - 21.9 °F 28% 29.66 in 10.0 mi NNW 20.7 mph 28.8 mph N/A   Scattered Clouds
5:54 PM 54.0 °F - 19.9 °F 26% 29.69 in 10.0 mi NNW 18.4 mph 27.6 mph N/A   Partly Cloudy
6:54 PM 51.1 °F - 18.0 °F 27% 29.73 in 10.0 mi NNW 19.6 mph 29.9 mph N/A   Partly Cloudy
7:54 PM 48.9 °F - 14.0 °F 25% 29.79 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Partly Cloudy
8:54 PM 46.9 °F - 10.0 °F 22% 29.85 in 10.0 mi NW 15.0 mph 20.7 mph N/A   Clear
9:54 PM 46.0 °F 39.9 °F 10.9 °F 24% 29.89 in 10.0 mi NW 13.8 mph - N/A   Clear
10:54 PM 44.1 °F 37.7 °F 9.0 °F 24% 29.94 in 10.0 mi NW 12.7 mph - N/A   Clear
11:54 PM 42.1 °F 35.2 °F 10.0 °F 27% 29.98 in 10.0 mi NNW 12.7 mph - N/A   Clear