Boston, MA

3:19 AM EDT on June 19, 2018 (GMT -0400)
Logan International

Weather History for KBOS - March, 2015

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Monday, March 16, 2015

  Actual Average Record
Temperature  
Mean Temperature 36 °F 38 °F  
Max Temperature 45 °F 45 °F 71 °F (1935)
Min Temperature 26 °F 31 °F 10 °F (1872)
Degree Days  
Heating Degree Days 29 27  
Month to date heating degree days 520 460  
Since 1 July heating degree days 4835 4502  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 14 °F    
Average Humidity 41    
Maximum Humidity 63    
Minimum Humidity 19    
Precipitation  
Precipitation 0.00 in 0.14 in 2.15 in (1900)
Month to date precipitation 1.60 2.11  
Year to date precipitation 8.54 8.72  
Sea Level Pressure  
Sea Level Pressure 29.86 in    
Wind  
Wind Speed 9 mph (West)    
Max Wind Speed 18 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Mar. 16, 2015 Rise Set
Actual Time 6:54 AM EDT 6:51 PM EDT
Civil Twilight 6:26 AM EDT 7:19 PM EDT
Nautical Twilight 5:54 AM EDT 7:52 PM EDT
Astronomical Twilight 5:20 AM EDT 8:25 PM EDT
Moon 4:09 AM EDT (3/16) 2:38 PM EDT (3/16)
Length of Visible Light 12h 52m
Length of Day
11h 56m
Waning Crescent, 19% of the Moon is Illuminated
Mar 16
Waning Crescent
Mar 20
New
Mar 27
First Quarter
Apr 4
Full
Apr 11
Last 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 28.0 °F 15.7 °F 17.1 °F 63% 29.87 in 10.0 mi NW 17.3 mph 25.3 mph N/A   Scattered Clouds
1:54 AM 27.0 °F 14.3 °F 16.0 °F 63% 29.86 in 10.0 mi NW 17.3 mph 25.3 mph N/A   Clear
2:54 AM 27.0 °F 15.6 °F 12.9 °F 56% 29.87 in 10.0 mi NW 13.8 mph 23.0 mph N/A   Partly Cloudy
3:54 AM 27.0 °F 16.1 °F 16.0 °F 63% 29.88 in 10.0 mi WNW 12.7 mph 21.9 mph N/A   Partly Cloudy
4:54 AM 27.0 °F 15.2 °F 16.0 °F 63% 29.90 in 10.0 mi NW 15.0 mph 21.9 mph N/A   Partly Cloudy
5:54 AM 27.0 °F 16.1 °F 14.0 °F 58% 29.92 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Partly Cloudy
6:54 AM 27.0 °F 16.1 °F 14.0 °F 58% 29.93 in 10.0 mi NW 12.7 mph 19.6 mph N/A   Partly Cloudy
7:54 AM 28.0 °F 18.1 °F 12.9 °F 53% 29.94 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy
8:54 AM 30.0 °F 20.5 °F 14.0 °F 51% 29.95 in 10.0 mi NW 11.5 mph - N/A   Partly Cloudy
9:54 AM 32.0 °F 23.6 °F 14.0 °F 48% 29.95 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
10:54 AM 34.0 °F 27.2 °F 12.9 °F 42% 29.93 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
11:54 AM 37.9 °F 32.7 °F 14.0 °F 38% 29.91 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
12:54 PM 39.2 °F 34.2 °F 10.4 °F 31% 29.89 in 10.0 mi West 6.9 mph - N/A   Mostly Cloudy
1:54 PM 42.1 °F 39.2 °F 7.0 °F 24% 29.86 in 10.0 mi WNW 4.6 mph - N/A   Mostly Cloudy
2:54 PM 43.0 °F 39.5 °F 5.0 °F 21% 29.85 in 10.0 mi West 5.8 mph - N/A   Mostly Cloudy
3:54 PM 44.1 °F 39.5 °F 5.0 °F 20% 29.83 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:54 PM 44.1 °F 41.5 °F 9.0 °F 24% 29.81 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
5:54 PM 44.1 °F 40.1 °F 10.9 °F 26% 29.81 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
6:54 PM 45.0 °F 40.6 °F 10.9 °F 25% 29.82 in 10.0 mi West 8.1 mph - N/A   Scattered Clouds
7:54 PM 43.0 °F 40.3 °F 12.9 °F 30% 29.80 in 10.0 mi West 4.6 mph - N/A   Partly Cloudy
8:54 PM 37.0 °F 33.3 °F 21.0 °F 52% 29.81 in 10.0 mi SSW 4.6 mph - N/A   Clear
9:54 PM 37.0 °F 31.0 °F 21.0 °F 52% 29.81 in 10.0 mi SW 8.1 mph - N/A   Clear
10:54 PM 35.1 °F 30.1 °F 21.0 °F 57% 29.80 in 10.0 mi South 5.8 mph - N/A   Clear
11:54 PM 35.1 °F 32.2 °F 23.0 °F 61% 29.77 in 10.0 mi SSW 3.5 mph - N/A   Clear