Weather History for Boston, MA

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Sunday, April 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 54 °F 52 °F  
Max Temperature 63 °F 60 °F 93 °F (2009)
Min Temperature 44 °F 45 °F 30 °F (1947)
Degree Days  
Heating Degree Days 11 13  
Month to date heating degree days 457 485  
Since 1 July heating degree days 5098 5356  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 37 °F    
Average Humidity 51    
Maximum Humidity 70    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.11 in 2.97 in (1904)
Month to date precipitation 1.37 3.51  
Year to date precipitation 11.03 14.44  
Sea Level Pressure  
Sea Level Pressure 30.30 in    
Wind  
Wind Speed 10 mph (SSE)    
Max Wind Speed 24 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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Astronomy

Apr. 28, 2013 Rise Set
Actual Time 5:43 AM EDT 7:40 PM EDT
Civil Twilight 5:12 AM EDT 8:11 PM EDT
Nautical Twilight 4:35 AM EDT 8:48 PM EDT
Astronomical Twilight 3:55 AM EDT 9:28 PM EDT
Moon 11:10 PM EDT (4/28) 7:54 AM EDT (4/28)
Length of Visible Light 14h 58m
Length of Day
13h 57m
Waning Gibbous, 89% of the Moon is Illuminated
Apr 28
Waning Gibbous
May 2
Last Quarter
May 9
New
May 18
First Quarter
May 25
Full

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 46.9 °F - 35.1 °F 63% 30.35 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
1:54 AM 46.9 °F - 36.0 °F 66% 30.33 in 10.0 mi SW 4.6 mph - N/A   Partly Cloudy
2:54 AM 46.0 °F 43.9 °F 36.0 °F 68% 30.32 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
3:54 AM 45.0 °F 42.6 °F 36.0 °F 71% 30.32 in 10.0 mi SSW 4.6 mph - N/A   Clear
4:54 AM 45.0 °F 42.6 °F 36.0 °F 71% 30.31 in 10.0 mi SW 4.6 mph - N/A   Clear
5:54 AM 45.0 °F 43.5 °F 36.0 °F 71% 30.31 in 10.0 mi West 3.5 mph - N/A   Partly Cloudy
6:54 AM 48.9 °F - 37.9 °F 66% 30.32 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 AM 54.0 °F - 37.0 °F 53% 30.33 in 10.0 mi Calm Calm - N/A   Partly Cloudy
8:54 AM 54.0 °F - 41.0 °F 62% 30.35 in 10.0 mi ESE 4.6 mph - N/A   Partly Cloudy
9:54 AM 55.9 °F - 41.0 °F 57% 30.35 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
10:54 AM 57.2 °F - 42.8 °F 59% 30.35 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
11:54 AM 57.0 °F - 39.0 °F 51% 30.33 in 10.0 mi East 11.5 mph - N/A   Scattered Clouds
12:54 PM 57.0 °F - 37.0 °F 47% 30.32 in 10.0 mi East 13.8 mph - N/A   Partly Cloudy
1:54 PM 60.1 °F - 37.0 °F 42% 30.30 in 10.0 mi East 18.4 mph - N/A   Partly Cloudy
2:54 PM 57.9 °F - 39.9 °F 51% 30.28 in 10.0 mi East 20.7 mph - N/A   Scattered Clouds
3:54 PM 57.9 °F - 39.9 °F 51% 30.25 in 10.0 mi East 19.6 mph - N/A   Scattered Clouds
4:54 PM 57.0 °F - 39.9 °F 53% 30.24 in 10.0 mi ESE 20.7 mph - N/A   Mostly Cloudy
5:54 PM 60.1 °F - 39.9 °F 47% 30.24 in 10.0 mi ESE 12.7 mph - N/A   Scattered Clouds
6:13 PM 62.6 °F - 35.6 °F 37% 30.24 in 10.0 mi South 15.0 mph - N/A   Scattered Clouds
6:54 PM 60.1 °F - 33.1 °F 36% 30.25 in 10.0 mi SSW 16.1 mph - N/A   Mostly Cloudy
7:54 PM 57.0 °F - 32.0 °F 39% 30.25 in 10.0 mi SSW 12.7 mph - N/A   Overcast
8:54 PM 55.0 °F - 30.9 °F 40% 30.26 in 10.0 mi South 11.5 mph - N/A   Overcast
9:54 PM 53.1 °F - 28.9 °F 40% 30.27 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
10:54 PM 53.1 °F - 25.0 °F 34% 30.27 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
11:54 PM 51.1 °F - 36.0 °F 56% 30.28 in 10.0 mi SSW 9.2 mph - N/A   Overcast