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 9, 2015

  Actual Average Record
Temperature  
Mean Temperature 37 °F 36 °F  
Max Temperature 48 °F 43 °F 77 °F (2016)
Min Temperature 26 °F 29 °F 5 °F (2007)
Degree Days  
Heating Degree Days 28 29  
Month to date heating degree days 323 267  
Since 1 July heating degree days 4638 4309  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 19 °F    
Average Humidity 56    
Maximum Humidity 81    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.13 in 2.14 in (1998)
Month to date precipitation 0.46 1.19  
Year to date precipitation 7.40 7.80  
Sea Level Pressure  
Sea Level Pressure 30.11 in    
Wind  
Wind Speed 10 mph (WSW)    
Max Wind Speed 25 mph    
Max Gust Speed 37 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. 09, 2015 Rise Set
Actual Time 7:06 AM EDT 6:43 PM EDT
Civil Twilight 6:38 AM EDT 7:11 PM EDT
Nautical Twilight 6:06 AM EDT 7:43 PM EDT
Astronomical Twilight 5:33 AM EDT 8:16 PM EDT
Moon 10:38 PM EDT (3/9) 8:53 AM EDT (3/9)
Length of Visible Light 12h 32m
Length of Day
11h 36m
Waning Gibbous, 87% of the Moon is Illuminated
Mar 9
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 30.0 °F 22.4 °F 16.0 °F 56% 30.12 in 10.0 mi SSW 8.1 mph - N/A   Clear
1:54 AM 28.9 °F 21.9 °F 16.0 °F 58% 30.12 in 10.0 mi SW 6.9 mph - N/A   Overcast
2:54 AM 27.0 °F 19.5 °F 18.0 °F 69% 30.12 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
3:54 AM 27.0 °F - 17.1 °F 66% 30.10 in 10.0 mi Calm Calm - N/A   Overcast
4:54 AM 27.0 °F - 17.1 °F 66% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
5:54 AM 27.0 °F 23.0 °F 21.0 °F 78% 30.08 in 10.0 mi SSE 3.5 mph - N/A   Overcast
7:54 AM 30.9 °F 22.8 °F 19.0 °F 61% 30.09 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
8:54 AM 33.1 °F 24.9 °F 19.9 °F 59% 30.08 in 10.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
9:54 AM 37.9 °F 30.0 °F 21.9 °F 53% 30.06 in 10.0 mi WSW 12.7 mph - N/A   Partly Cloudy
10:54 AM 43.0 °F 38.2 °F 21.9 °F 43% 30.05 in 10.0 mi WSW 8.1 mph 17.3 mph N/A   Partly Cloudy
11:54 AM 44.1 °F 37.1 °F 21.0 °F 40% 30.05 in 10.0 mi West 15.0 mph 27.6 mph N/A   Partly Cloudy
12:54 PM 45.0 °F 37.9 °F 21.9 °F 40% 30.06 in 10.0 mi West 16.1 mph 25.3 mph N/A   Partly Cloudy
1:54 PM 45.0 °F 36.4 °F 21.9 °F 40% 30.05 in 10.0 mi WSW 23.0 mph 27.6 mph N/A   Partly Cloudy
2:54 PM 46.0 °F 38.3 °F 18.0 °F 33% 30.06 in 10.0 mi WNW 20.7 mph 31.1 mph N/A   Partly Cloudy
4:54 PM 46.0 °F 39.3 °F 18.0 °F 33% 30.10 in 10.0 mi West 16.1 mph 24.2 mph N/A   Partly Cloudy
5:54 PM 46.0 °F 41.4 °F 18.0 °F 33% 30.12 in 10.0 mi West 9.2 mph 17.3 mph N/A   Partly Cloudy
7:54 PM 44.1 °F 38.6 °F 18.0 °F 35% 30.17 in 10.0 mi West 10.4 mph 17.3 mph N/A   Clear
8:54 PM 41.0 °F 36.4 °F 19.0 °F 41% 30.19 in 10.0 mi WSW 6.9 mph - N/A   Clear
9:54 PM 43.0 °F 37.7 °F 17.1 °F 35% 30.21 in 10.0 mi West 9.2 mph - N/A   Clear
10:54 PM 41.0 °F 35.2 °F 18.0 °F 40% 30.22 in 10.0 mi WSW 9.2 mph - N/A   Clear
11:54 PM 36.0 °F 29.0 °F 19.9 °F 52% 30.24 in 10.0 mi SW 9.2 mph - N/A   Clear