Boston, MA

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

Weather History for KBOS - March, 2015

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Friday, March 13, 2015

  Actual Average Record
Temperature  
Mean Temperature 32 °F 37 °F  
Max Temperature 40 °F 44 °F 73 °F (1946)
Min Temperature 24 °F 30 °F 3 °F (1885)
Degree Days  
Heating Degree Days 33 28  
Month to date heating degree days 430 379  
Since 1 July heating degree days 4745 4421  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 7 °F    
Average Humidity 45    
Maximum Humidity 69    
Minimum Humidity 21    
Precipitation  
Precipitation 0.00 in 0.13 in 1.83 in (1993)
Month to date precipitation 0.53 1.71  
Year to date precipitation 7.47 8.32  
Sea Level Pressure  
Sea Level Pressure 30.53 in    
Wind  
Wind Speed 11 mph (West)    
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

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Mar. 13, 2015 Rise Set
Actual Time 6:59 AM EDT 6:47 PM EDT
Civil Twilight 6:31 AM EDT 7:15 PM EDT
Nautical Twilight 5:59 AM EDT 7:48 PM EDT
Astronomical Twilight 5:26 AM EDT 8:21 PM EDT
Moon 1:32 AM EDT (3/13) 11:34 AM EDT (3/13)
Length of Visible Light 12h 43m
Length of Day
11h 48m
Waning Gibbous, 51% of the Moon is Illuminated
Mar 13
Waning Gibbous
Mar 13
Last Quarter
Mar 20
New
Mar 27
First Quarter
Apr 4
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 25.0 °F 13.1 °F 3.0 °F 39% 30.58 in 10.0 mi NNW 13.8 mph - N/A   Clear
1:54 AM 24.1 °F 12.5 °F 1.9 °F 38% 30.58 in 10.0 mi NW 12.7 mph - N/A   Clear
2:54 AM 24.1 °F 14.4 °F 3.0 °F 40% 30.60 in 10.0 mi WNW 9.2 mph - N/A   Clear
3:54 AM 24.1 °F 13.7 °F 3.9 °F 42% 30.60 in 10.0 mi WNW 10.4 mph - N/A   Clear
4:54 AM 24.1 °F 11.5 °F 1.9 °F 38% 30.61 in 10.0 mi WNW 15.0 mph - N/A   Clear
5:54 AM 24.1 °F 12.0 °F 3.0 °F 40% 30.62 in 10.0 mi WNW 13.8 mph - N/A   Clear
6:54 AM 24.1 °F 13.1 °F 3.0 °F 40% 30.63 in 10.0 mi NW 11.5 mph - N/A   Clear
7:54 AM 25.0 °F 16.3 °F 3.0 °F 39% 30.64 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
8:54 AM 27.0 °F 16.7 °F 3.0 °F 36% 30.63 in 10.0 mi NW 11.5 mph - N/A   Scattered Clouds
9:54 AM 28.9 °F 19.2 °F 1.9 °F 32% 30.61 in 10.0 mi NNW 11.5 mph 18.4 mph N/A   Scattered Clouds
10:54 AM 30.9 °F 21.7 °F 3.9 °F 32% 30.61 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
11:54 AM 32.0 °F 23.0 °F 3.2 °F 30% 30.59 in 10.0 mi NW 11.5 mph - N/A   Mostly Cloudy
12:54 PM 35.1 °F 27.9 °F 3.9 °F 27% 30.58 in 10.0 mi West 9.2 mph - N/A   Mostly Cloudy
1:54 PM 35.1 °F 28.6 °F 1.9 °F 25% 30.54 in 10.0 mi WSW 8.1 mph - N/A   Overcast
2:54 PM 37.0 °F 33.3 °F 1.0 °F 22% 30.50 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
3:54 PM 39.0 °F 36.8 °F 3.0 °F 22% 30.48 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
4:54 PM 39.9 °F 36.7 °F 7.0 °F 26% 30.46 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
5:54 PM 34.0 °F 25.5 °F 21.0 °F 59% 30.45 in 10.0 mi ESE 11.5 mph - N/A   Mostly Cloudy
6:54 PM 33.1 °F 25.5 °F 24.1 °F 70% 30.43 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
7:54 PM 35.1 °F 26.9 °F 16.0 °F 46% 30.43 in 10.0 mi SSW 11.5 mph - N/A   Mostly Cloudy
8:54 PM 34.0 °F 24.6 °F 17.1 °F 50% 30.42 in 10.0 mi SSW 13.8 mph - N/A   Overcast
9:54 PM 34.0 °F 24.2 °F 14.0 °F 44% 30.40 in 10.0 mi SSW 15.0 mph - N/A   Overcast
10:54 PM 34.0 °F 24.2 °F 15.1 °F 46% 30.39 in 10.0 mi SW 15.0 mph - N/A   Overcast
11:54 PM 32.0 °F 23.6 °F 17.1 °F 54% 30.37 in 10.0 mi SW 10.4 mph - N/A   Overcast