Weather History for Boston, MA

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Tuesday, October 19, 2010

  Actual Average Record
Temperature  
Mean Temperature 51 °F 53 °F  
Max Temperature 59 °F 60 °F 84 °F (1945)
Min Temperature 43 °F 45 °F 28 °F (1922)
Degree Days  
Heating Degree Days 14 12  
Month to date heating degree days 170 180  
Since 1 July heating degree days 204 277  
Cooling Degree Days 0 0  
Month to date cooling degree days 6 6  
Year to date cooling degree days 1075 746  
Moisture  
Dew Point 32 °F    
Average Humidity 52    
Maximum Humidity 71    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.13 in 2.06 in (1932)
Month to date precipitation 3.73 2.42  
Year to date precipitation 42.92 34.48  
Snow  
Snow 0.00 in 0.00 in T in (1972)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 8 mph (West)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Oct. 19, 2010 Rise Set
Actual Time 7:01 AM EDT 5:55 PM EDT
Civil Twilight 6:33 AM EDT 6:24 PM EDT
Nautical Twilight 6:00 AM EDT 6:56 PM EDT
Astronomical Twilight 5:27 AM EDT 7:29 PM EDT
Moon 4:06 PM EDT (10/19) 3:40 AM EDT (10/19)
Length of Visible Light 11h 51m
Length of Day
10h 54m
Waxing Gibbous, 89% of the Moon is Illuminated
Oct 19
Waxing Gibbous
Oct 22
Full
Oct 30
Last Quarter
Nov 6
New
Nov 13
First Quarter

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 48.0 °F - 30.0 °F 50% 29.91 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
1:54 AM 46.9 °F - 28.9 °F 50% 29.92 in 10.0 mi WNW 10.4 mph - N/A   Mostly Cloudy
2:54 AM 46.0 °F 41.4 °F 30.0 °F 54% 29.91 in 10.0 mi WNW 9.2 mph - N/A   Mostly Cloudy
3:54 AM 45.0 °F 40.6 °F 30.0 °F 56% 29.90 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:54 AM 44.1 °F 40.8 °F 30.0 °F 58% 29.90 in 10.0 mi WNW 5.8 mph - N/A   Overcast
5:54 AM 44.1 °F 40.1 °F 30.0 °F 58% 29.91 in 10.0 mi WNW 6.9 mph - N/A   Overcast
6:54 AM 44.1 °F 39.5 °F 30.0 °F 58% 29.91 in 10.0 mi WNW 8.1 mph - N/A   Overcast
7:54 AM 45.0 °F 40.6 °F 30.0 °F 56% 29.93 in 10.0 mi WNW 8.1 mph - N/A   Overcast
8:54 AM 45.0 °F 40.6 °F 30.9 °F 58% 29.94 in 10.0 mi West 8.1 mph - N/A   Overcast
9:54 AM 48.0 °F - 32.0 °F 54% 29.93 in 10.0 mi WNW 10.4 mph - N/A   Scattered Clouds
10:54 AM 50.0 °F - 30.9 °F 48% 29.93 in 10.0 mi WSW 3.5 mph - N/A   Scattered Clouds
11:54 AM 53.1 °F - 28.9 °F 40% 29.90 in 10.0 mi West 9.2 mph - N/A   Partly Cloudy
12:54 PM 55.9 °F - 28.0 °F 34% 29.88 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Scattered Clouds
1:54 PM 57.0 °F - 28.9 °F 34% 29.86 in 10.0 mi West 12.7 mph - N/A   Scattered Clouds
3:54 PM 57.0 °F - 30.0 °F 36% 29.86 in 10.0 mi West 11.5 mph 17.3 mph N/A   Scattered Clouds
4:54 PM 55.9 °F - 30.9 °F 39% 29.87 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
5:54 PM 55.0 °F - 32.0 °F 42% 29.87 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
6:54 PM 55.0 °F - 33.1 °F 43% 29.90 in 10.0 mi WNW 6.9 mph - N/A   Scattered Clouds
7:54 PM 54.0 °F - 33.1 °F 45% 29.91 in 10.0 mi West 5.8 mph - N/A   Scattered Clouds
8:54 PM 52.0 °F - 35.1 °F 53% 29.92 in 10.0 mi SW 3.5 mph - N/A   Partly Cloudy
9:54 PM 50.0 °F - 39.0 °F 66% 29.93 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
10:54 PM 46.9 °F - 37.0 °F 68% 29.94 in 10.0 mi SSW 3.5 mph - N/A   Scattered Clouds
11:54 PM 48.9 °F - 37.0 °F 64% 29.93 in 10.0 mi Calm Calm - N/A   Partly Cloudy