Weather History for Boston, MA

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Friday, April 27, 2012

  Actual Average Record
Temperature  
Mean Temperature 49 °F 52 °F  
Max Temperature 57 °F 60 °F 92 °F (1990)
Min Temperature 40 °F 44 °F 33 °F (1993)
Degree Days  
Heating Degree Days 16 13  
Month to date heating degree days 316 472  
Since 1 July heating degree days 4120 5343  
Cooling Degree Days 0 0  
Month to date cooling degree days 16 0  
Year to date cooling degree days 25 0  
Moisture  
Dew Point 36 °F    
Average Humidity 64    
Maximum Humidity 93    
Minimum Humidity 35    
Precipitation  
Precipitation T in 0.12 in 1.50 in (1882)
Month to date precipitation 3.09 3.40  
Year to date precipitation 7.97 14.33  
Sea Level Pressure  
Sea Level Pressure 29.66 in    
Wind  
Wind Speed 19 mph (West)    
Max Wind Speed 30 mph    
Max Gust Speed 39 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 27, 2012 Rise Set
Actual Time 5:44 AM EDT 7:39 PM EDT
Civil Twilight 5:13 AM EDT 8:10 PM EDT
Nautical Twilight 4:36 AM EDT 8:47 PM EDT
Astronomical Twilight 3:56 AM EDT 9:27 PM EDT
Moon 10:17 AM EDT (4/27) 12:26 AM EDT (4/27)
Length of Visible Light 14h 56m
Length of Day
13h 55m
Waxing Crescent, 33% of the Moon is Illuminated
Apr 27
Waxing Crescent
Apr 29
First Quarter
May 5
Full
May 12
Last Quarter
May 20
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:01 AM 55.4 °F - 50.0 °F 82% 29.54 in 10.0 mi SSE 11.5 mph - N/A   Overcast
12:54 AM 55.0 °F - 51.1 °F 86% 29.53 in 10.0 mi South 10.4 mph - 0.00 in   Overcast
1:06 AM 55.4 °F - 51.8 °F 88% 29.53 in 10.0 mi South 10.4 mph - N/A   Overcast
1:54 AM 54.0 °F - 52.0 °F 93% 29.51 in 8.0 mi SSW 8.1 mph - 0.00 in Rain Light Rain
2:54 AM 55.0 °F - 53.1 °F 93% 29.48 in 10.0 mi WSW 10.4 mph - 0.00 in   Overcast
3:54 AM 55.9 °F - 53.1 °F 90% 29.49 in 10.0 mi West 10.4 mph - 0.00 in   Overcast
4:13 AM 55.4 °F - 51.8 °F 88% 29.49 in 10.0 mi West 13.8 mph - N/A   Overcast
4:54 AM 54.0 °F - 46.9 °F 77% 29.49 in 10.0 mi WNW 17.3 mph 23.0 mph N/A   Overcast
5:54 AM 52.0 °F - 41.0 °F 66% 29.52 in 10.0 mi West 16.1 mph 24.2 mph N/A   Overcast
6:29 AM 51.8 °F - 39.2 °F 62% 29.52 in 10.0 mi WNW 16.1 mph - N/A   Overcast
6:54 AM 51.1 °F - 37.9 °F 61% 29.54 in 10.0 mi West 16.1 mph 27.6 mph N/A   Overcast
7:54 AM 51.1 °F - 37.0 °F 59% 29.55 in 10.0 mi WNW 18.4 mph 27.6 mph N/A   Mostly Cloudy
8:54 AM 51.1 °F - 37.0 °F 59% 29.58 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Mostly Cloudy
9:54 AM 53.1 °F - 35.1 °F 50% 29.60 in 10.0 mi WNW 25.3 mph 33.4 mph 0.00 in   Partly Cloudy
10:54 AM 54.0 °F - 33.1 °F 45% 29.63 in 10.0 mi WNW 23.0 mph 34.5 mph N/A   Mostly Cloudy
11:54 AM 54.0 °F - 30.9 °F 41% 29.65 in 10.0 mi NW 25.3 mph 33.4 mph N/A   Mostly Cloudy
12:54 PM 55.9 °F - 30.0 °F 37% 29.67 in 10.0 mi WNW 20.7 mph 29.9 mph N/A   Mostly Cloudy
1:54 PM 55.9 °F - 28.0 °F 34% 29.70 in 10.0 mi WNW 21.9 mph 33.4 mph N/A   Mostly Cloudy
2:54 PM 54.0 °F - 28.9 °F 38% 29.72 in 10.0 mi WNW 20.7 mph 29.9 mph N/A   Scattered Clouds
3:54 PM 55.0 °F - 28.9 °F 37% 29.73 in 10.0 mi West 23.0 mph 33.4 mph N/A   Mostly Cloudy
4:54 PM 52.0 °F - 27.0 °F 38% 29.76 in 10.0 mi West 27.6 mph 35.7 mph N/A   Scattered Clouds
5:54 PM 50.0 °F - 26.1 °F 39% 29.81 in 10.0 mi WNW 19.6 mph 34.5 mph N/A   Mostly Cloudy
6:54 PM 48.0 °F - 25.0 °F 41% 29.84 in 10.0 mi WNW 21.9 mph 29.9 mph N/A   Scattered Clouds
7:54 PM 46.9 °F - 24.1 °F 41% 29.89 in 10.0 mi WNW 17.3 mph 27.6 mph N/A   Mostly Cloudy
8:54 PM 45.0 °F 37.4 °F 24.1 °F 44% 29.93 in 10.0 mi West 18.4 mph 25.3 mph N/A   Mostly Cloudy
9:54 PM 43.0 °F 35.1 °F 21.0 °F 42% 29.95 in 10.0 mi WNW 17.3 mph 27.6 mph N/A   Scattered Clouds
10:54 PM 42.1 °F 33.3 °F 21.0 °F 43% 29.97 in 10.0 mi WNW 19.6 mph 26.5 mph N/A   Partly Cloudy
11:54 PM 41.0 °F 31.9 °F 21.0 °F 45% 29.99 in 10.0 mi WNW 19.6 mph 25.3 mph N/A   Partly Cloudy