Boston, MA

8:04 PM EST on February 07, 2016 (GMT -0500)
Logan International

Weather History for KBOS - February, 2011

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Tuesday, February 15, 2011

  Actual Average Record
Temperature  
Mean Temperature 28 °F 32 °F  
Max Temperature 35 °F 39 °F 61 °F (1939)
Min Temperature 21 °F 25 °F -14 °F (1943)
Degree Days  
Heating Degree Days 37 33  
Month to date heating degree days 546 515  
Since 1 July heating degree days 3621 3625  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 0 °F    
Average Humidity 39    
Maximum Humidity 55    
Minimum Humidity 23    
Precipitation  
Precipitation 0.00 in 0.12 in 1.56 in (1953)
Month to date precipitation 1.87 1.66  
Year to date precipitation 6.44 5.02  
Sea Level Pressure  
Sea Level Pressure 30.10 in    
Wind  
Wind Speed 20 mph (NW)    
Max Wind Speed 33 mph    
Max Gust Speed 46 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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Date:

Astronomy

Feb. 15, 2011 Rise Set
Actual Time 6:40 AM EST 5:16 PM EST
Civil Twilight 6:12 AM EST 5:44 PM EST
Nautical Twilight 5:39 AM EST 6:17 PM EST
Astronomical Twilight 5:06 AM EST 6:50 PM EST
Moon 2:19 PM EST (2/15) 4:34 AM EST (2/15)
Length of Visible Light 11h 32m
Length of Day
10h 35m
Waxing Gibbous, 90% of the Moon is Illuminated
Feb 15
Waxing Gibbous
Feb 18
Full
Feb 24
Last Quarter
Mar 4
New
Mar 12
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 33.1 °F 19.1 °F 15.1 °F 48% 29.65 in 10.0 mi NW 29.9 mph 40.3 mph N/A   Clear
1:54 AM 28.9 °F 14.5 °F 12.9 °F 51% 29.71 in 10.0 mi NW 25.3 mph 41.4 mph N/A   Clear
2:54 AM 26.1 °F 11.3 °F 10.0 °F 51% 29.78 in 10.0 mi NW 23.0 mph 33.4 mph N/A   Clear
3:54 AM 25.0 °F 10.6 °F 9.0 °F 51% 29.83 in 10.0 mi NW 20.7 mph 27.6 mph N/A   Clear
4:54 AM 26.1 °F 12.3 °F 10.0 °F 51% 29.86 in 10.0 mi NW 19.6 mph 28.8 mph N/A   Clear
5:54 AM 25.0 °F 10.2 °F 10.0 °F 53% 29.91 in 10.0 mi NW 21.9 mph 27.6 mph N/A   Partly Cloudy
6:54 AM 23.0 °F 7.6 °F 7.0 °F 50% 29.97 in 10.0 mi NNW 21.9 mph 28.8 mph N/A   Partly Cloudy
7:54 AM 23.0 °F 8.0 °F 3.9 °F 44% 30.02 in 10.0 mi NNW 20.7 mph 29.9 mph N/A   Scattered Clouds
8:54 AM 23.0 °F 6.9 °F -0.0 °F 37% 30.07 in 10.0 mi NW 24.2 mph 35.7 mph N/A   Scattered Clouds
9:54 AM 21.9 °F 4.8 °F -2.0 °F 35% 30.11 in 10.0 mi NNW 26.5 mph 35.7 mph N/A   Clear
10:54 AM 23.0 °F 7.6 °F -2.9 °F 32% 30.14 in 10.0 mi NNW 21.9 mph 33.4 mph N/A   Clear
11:54 AM 24.1 °F 8.3 °F -2.0 °F 32% 30.15 in 10.0 mi NNW 24.2 mph 32.2 mph N/A   Clear
12:54 PM 25.0 °F 10.2 °F -2.9 °F 30% 30.14 in 10.0 mi NNW 21.9 mph 36.8 mph N/A   Clear
1:54 PM 25.0 °F 9.9 °F -4.0 °F 28% 30.17 in 10.0 mi NNW 23.0 mph 35.7 mph N/A   Clear
2:54 PM 25.0 °F 9.2 °F -5.1 °F 27% 30.19 in 10.0 mi NW 25.3 mph 33.4 mph N/A   Clear
3:54 PM 26.1 °F 13.1 °F -5.1 °F 26% 30.22 in 10.0 mi NNW 17.3 mph 25.3 mph N/A   Clear
4:54 PM 26.1 °F 13.6 °F -7.1 °F 23% 30.25 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Clear
5:54 PM 25.0 °F 12.2 °F -6.0 °F 26% 30.28 in 10.0 mi WNW 16.1 mph - N/A   Clear
6:54 PM 24.1 °F 10.6 °F -8.0 °F 24% 30.31 in 10.0 mi WNW 17.3 mph 28.8 mph N/A   Clear
7:54 PM 23.0 °F 10.1 °F -5.1 °F 29% 30.32 in 10.0 mi WNW 15.0 mph 24.2 mph N/A   Clear
8:54 PM 21.9 °F 8.2 °F -5.1 °F 30% 30.32 in 10.0 mi WNW 16.1 mph 23.0 mph N/A   Clear
9:54 PM 21.0 °F 8.6 °F -5.1 °F 32% 30.34 in 10.0 mi WNW 12.7 mph 20.7 mph N/A   Clear
10:54 PM 21.9 °F 9.2 °F -5.1 °F 30% 30.34 in 10.0 mi WNW 13.8 mph - N/A   Clear
11:54 PM 21.0 °F 7.1 °F -5.1 °F 32% 30.34 in 10.0 mi WNW 16.1 mph 21.9 mph N/A   Mostly Cloudy