Weather History for KBOS - May, 2014

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Tuesday, May 13, 2014

  Actual Average Record
Temperature  
Mean Temperature 49 °F 57 °F  
Max Temperature 52 °F 65 °F 87 °F (1947)
Min Temperature 46 °F 49 °F 38 °F (1882)
Degree Days  
Heating Degree Days 16 8  
Month to date heating degree days 92 133  
Since 1 July heating degree days 5711 5514  
Cooling Degree Days 0 0  
Month to date cooling degree days 14 0  
Year to date cooling degree days 15 3  
Moisture  
Dew Point 40 °F    
Average Humidity 71    
Maximum Humidity 80    
Minimum Humidity 61    
Precipitation  
Precipitation 0.00 in 0.10 in 3.84 in (2006)
Month to date precipitation 0.97 1.36  
Year to date precipitation 16.06 16.03  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.1  
Since 1 July snowfall 58.9 43.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.30 in    
Wind  
Wind Speed 10 mph (ENE)    
Max Wind Speed 17 mph    
Max Gust Speed 24 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 13, 2014 Rise Set
Actual Time 5:24 AM EDT 7:56 PM EDT
Civil Twilight 4:52 AM EDT 8:28 PM EDT
Nautical Twilight 4:12 AM EDT 9:08 PM EDT
Astronomical Twilight 3:28 AM EDT 9:53 PM EDT
Moon 6:53 PM EDT (5/13) 4:41 AM EDT (5/13)
Length of Visible Light 15h 35m
Length of Day
14h 31m
Waxing Gibbous, 98% of the Moon is Illuminated
May 13
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
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 52.0 °F - 44.1 °F 74% 30.17 in 10.0 mi NE 16.1 mph - N/A   Scattered Clouds
1:54 AM 51.1 °F - 44.1 °F 77% 30.17 in 10.0 mi NE 11.5 mph - N/A   Scattered Clouds
2:54 AM 51.1 °F - 44.1 °F 77% 30.19 in 10.0 mi NE 11.5 mph - N/A   Scattered Clouds
3:54 AM 50.0 °F - 44.1 °F 80% 30.21 in 10.0 mi NE 12.7 mph - N/A   Mostly Cloudy
4:54 AM 50.0 °F - 43.0 °F 77% 30.22 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
5:54 AM 50.0 °F - 42.1 °F 74% 30.23 in 10.0 mi NE 10.4 mph - N/A   Mostly Cloudy
6:54 AM 50.0 °F - 42.1 °F 74% 30.26 in 10.0 mi NE 13.8 mph - N/A   Mostly Cloudy
7:54 AM 51.1 °F - 41.0 °F 68% 30.29 in 10.0 mi NE 17.3 mph 23.0 mph N/A   Mostly Cloudy
8:54 AM 50.0 °F - 42.8 °F 76% 30.30 in 10.0 mi ENE 13.8 mph - N/A   Mostly Cloudy
9:54 AM 50.0 °F - 41.0 °F 71% 30.31 in 10.0 mi East 13.8 mph - N/A   Mostly Cloudy
10:54 AM 51.1 °F - 42.1 °F 71% 30.33 in 10.0 mi ENE 13.8 mph - N/A   Overcast
11:54 AM 50.0 °F - 41.0 °F 71% 30.34 in 10.0 mi ENE 12.7 mph - N/A   Overcast
12:54 PM 51.1 °F - 42.1 °F 71% 30.34 in 10.0 mi ENE 13.8 mph - N/A   Overcast
1:45 PM 48.2 °F - 41.0 °F 76% 30.34 in 10.0 mi ENE 12.7 mph - N/A   Overcast
1:54 PM 48.9 °F - 41.0 °F 74% 30.34 in 10.0 mi ENE 12.7 mph - N/A   Overcast
2:54 PM 48.9 °F - 37.9 °F 66% 30.33 in 10.0 mi ENE 12.7 mph - N/A   Overcast
3:54 PM 46.9 °F - 37.0 °F 68% 30.34 in 10.0 mi ENE 11.5 mph - N/A   Overcast
4:54 PM 48.0 °F - 37.0 °F 66% 30.33 in 10.0 mi East 10.4 mph - N/A   Overcast
5:54 PM 48.0 °F - 36.0 °F 63% 30.34 in 10.0 mi East 8.1 mph - N/A   Overcast
6:54 PM 46.9 °F - 36.0 °F 66% 30.32 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
7:54 PM 46.0 °F 43.1 °F 36.0 °F 68% 30.33 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
8:54 PM 46.0 °F 43.1 °F 37.0 °F 71% 30.33 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
9:54 PM 46.0 °F 44.8 °F 37.0 °F 71% 30.35 in 10.0 mi East 3.5 mph - N/A   Scattered Clouds
10:54 PM 46.9 °F - 37.9 °F 71% 30.34 in 10.0 mi East 5.8 mph - N/A   Overcast
11:54 PM 46.0 °F 43.9 °F 39.0 °F 76% 30.34 in 10.0 mi East 4.6 mph - N/A   Mostly Cloudy