Boston, MA

11:12 AM EST on February 06, 2016 (GMT -0500)
Logan International

Weather History for KBOS - April, 2012

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Wednesday, April 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 56 °F 49 °F  
Max Temperature 62 °F 57 °F 94 °F (1976)
Min Temperature 49 °F 42 °F 26 °F (1887)
Degree Days  
Heating Degree Days 9 16  
Month to date heating degree days 230 342  
Since 1 July heating degree days 4034 5213  
Cooling Degree Days 0 0  
Month to date cooling degree days 15 0  
Year to date cooling degree days 24 0  
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 33 °F    
Average Humidity 44    
Maximum Humidity 66    
Minimum Humidity 22    
Precipitation  
Precipitation 0.00 in 0.11 in 1.90 in (1879)
Month to date precipitation 0.56 2.39  
Year to date precipitation 5.44 13.32  
Sea Level Pressure  
Sea Level Pressure 30.18 in    
Wind  
Wind Speed 11 mph (ENE)    
Max Wind Speed 20 mph    
Max Gust Speed 26 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

Apr. 18, 2012 Rise Set
Actual Time 5:57 AM EDT 7:29 PM EDT
Civil Twilight 5:28 AM EDT 7:59 PM EDT
Nautical Twilight 4:52 AM EDT 8:34 PM EDT
Astronomical Twilight 4:14 AM EDT 9:12 PM EDT
Moon 4:24 AM EDT (4/18) 5:15 PM EDT (4/18)
Length of Visible Light 14h 30m
Length of Day
13h 31m
Waning Crescent, 6% of the Moon is Illuminated
Apr 18
Waning Crescent
Apr 21
New
Apr 29
First Quarter
May 5
Full
May 12
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 62.1 °F 27.0 °F 26% 30.12 in 10.0 mi NW 12.7 mph 21.9 mph N/A   Scattered Clouds
1:54 AM 60.1 °F 21.9 °F 23% 30.13 in 10.0 mi NNW 18.4 mph 25.3 mph N/A   Partly Cloudy
2:54 AM 57.0 °F 24.1 °F 28% 30.14 in 10.0 mi NNW 13.8 mph - N/A   Clear
3:54 AM 55.9 °F 27.0 °F 33% 30.16 in 10.0 mi North 11.5 mph - N/A   Clear
4:54 AM 54.0 °F 28.9 °F 38% 30.18 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
5:54 AM 52.0 °F 30.0 °F 43% 30.21 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
6:54 AM 51.1 °F 28.9 °F 43% 30.22 in 10.0 mi NNW 13.8 mph - N/A   Mostly Cloudy
7:54 AM 52.0 °F 28.9 °F 41% 30.24 in 10.0 mi North 9.2 mph - N/A   Scattered Clouds
8:54 AM 53.1 °F 28.0 °F 38% 30.24 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
9:54 AM 55.0 °F 28.0 °F 35% 30.24 in 10.0 mi NNE 6.9 mph - N/A   Partly Cloudy
10:54 AM 55.9 °F 30.0 °F 37% 30.22 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:54 AM 53.1 °F 37.0 °F 55% 30.21 in 10.0 mi East 15.0 mph - N/A   Scattered Clouds
12:54 PM 53.1 °F 37.0 °F 55% 30.19 in 10.0 mi East 15.0 mph - N/A   Mostly Cloudy
1:54 PM 52.0 °F 37.0 °F 57% 30.19 in 10.0 mi East 16.1 mph - N/A   Mostly Cloudy
2:54 PM 51.1 °F 37.0 °F 59% 30.18 in 10.0 mi ESE 16.1 mph - N/A   Mostly Cloudy
3:54 PM 50.0 °F 36.0 °F 59% 30.16 in 10.0 mi ESE 15.0 mph - N/A   Mostly Cloudy
4:54 PM 50.0 °F 36.0 °F 59% 30.15 in 10.0 mi ESE 15.0 mph - N/A   Overcast
5:54 PM 50.0 °F 36.0 °F 59% 30.15 in 10.0 mi ESE 10.4 mph - N/A   Overcast
6:54 PM 50.0 °F 35.1 °F 57% 30.16 in 10.0 mi ESE 8.1 mph - N/A   Overcast
7:54 PM 50.0 °F 35.1 °F 57% 30.17 in 10.0 mi SE 9.2 mph - N/A   Mostly Cloudy
8:54 PM 50.0 °F 37.0 °F 61% 30.17 in 10.0 mi SSE 8.1 mph - N/A   Mostly Cloudy
9:54 PM 50.0 °F 37.0 °F 61% 30.16 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
10:54 PM 50.0 °F 39.9 °F 68% 30.15 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
11:54 PM 50.0 °F 39.9 °F 68% 30.14 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy