Weather History for Boston, MA

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Saturday, March 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 37 °F 40 °F  
Max Temperature 44 °F 47 °F 78 °F (1938)
Min Temperature 30 °F 33 °F 6 °F (1934)
Degree Days  
Heating Degree Days 28 25  
Month to date heating degree days 672 641  
Since 1 July heating degree days 4474 4683  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 18 °F    
Average Humidity 48    
Maximum Humidity 63    
Minimum Humidity 33    
Precipitation  
Precipitation 0.00 in 0.16 in 2.22 in (2010)
Month to date precipitation 2.49 3.16  
Year to date precipitation 8.83 9.77  
Snow  
Snow 0.00 in 0.20 in 2.90 in (1992)
Month to date snowfall 20.6 6.5  
Since 1 July snowfall 63.4 40.6  
Snow Depth -    
Sea Level Pressure  
Sea Level Pressure 29.71 in    
Wind  
Wind Speed 17 mph (WNW)    
Max Wind Speed 29 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Mar. 23, 2013 Rise Set
Actual Time 6:41 AM EDT 6:59 PM EDT
Civil Twilight 6:13 AM EDT 7:28 PM EDT
Nautical Twilight 5:40 AM EDT 8:01 PM EDT
Astronomical Twilight 5:07 AM EDT 8:34 PM EDT
Moon 3:19 PM EDT (3/23) 4:20 AM EDT (3/23)
Length of Visible Light 13h 14m
Length of Day
12h 18m
Waxing Gibbous, 85% of the Moon is Illuminated
Mar 23
Waxing Gibbous
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New
Apr 18
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 30.9 °F 20.2 °F 18.0 °F 59% 29.75 in 10.0 mi West 15.0 mph 20.7 mph N/A   Clear
1:54 AM 30.9 °F 20.7 °F 18.0 °F 59% 29.75 in 10.0 mi WNW 13.8 mph - N/A   Clear
2:54 AM 30.0 °F 20.5 °F 17.1 °F 59% 29.74 in 10.0 mi WNW 11.5 mph - N/A   Clear
3:54 AM 30.0 °F 19.5 °F 18.0 °F 61% 29.73 in 10.0 mi West 13.8 mph 20.7 mph N/A   Clear
4:54 AM 30.0 °F 17.5 °F 19.0 °F 64% 29.72 in 10.0 mi West 19.6 mph 26.5 mph N/A   Clear
5:54 AM 30.9 °F 20.7 °F 19.9 °F 64% 29.72 in 10.0 mi West 13.8 mph 21.9 mph N/A   Clear
6:54 AM 30.9 °F 20.2 °F 19.9 °F 64% 29.72 in 10.0 mi West 15.0 mph 23.0 mph N/A   Clear
7:54 AM 33.1 °F 22.6 °F 21.0 °F 61% 29.70 in 10.0 mi West 16.1 mph 21.9 mph N/A   Clear
8:54 AM 35.1 °F 24.8 °F 21.0 °F 57% 29.70 in 10.0 mi West 17.3 mph 29.9 mph N/A   Partly Cloudy
9:54 AM 37.0 °F 27.0 °F 19.0 °F 48% 29.70 in 10.0 mi West 18.4 mph 26.5 mph N/A   Scattered Clouds
10:54 AM 37.9 °F 28.2 °F 18.0 °F 45% 29.69 in 10.0 mi WNW 18.4 mph 28.8 mph N/A   Scattered Clouds
11:54 AM 39.0 °F 29.3 °F 18.0 °F 43% 29.67 in 10.0 mi West 19.6 mph 27.6 mph N/A   Mostly Cloudy
12:54 PM 39.9 °F 30.8 °F 18.0 °F 41% 29.66 in 10.0 mi West 18.4 mph 24.2 mph N/A   Mostly Cloudy
1:54 PM 41.0 °F 32.5 °F 17.1 °F 38% 29.66 in 10.0 mi WNW 17.3 mph 31.1 mph N/A   Mostly Cloudy
2:54 PM 42.1 °F 33.6 °F 16.0 °F 35% 29.65 in 10.0 mi WNW 18.4 mph 28.8 mph N/A   Mostly Cloudy
3:54 PM 43.0 °F 34.8 °F 16.0 °F 34% 29.63 in 10.0 mi West 18.4 mph 31.1 mph N/A   Mostly Cloudy
4:54 PM 44.1 °F 36.5 °F 16.0 °F 32% 29.64 in 10.0 mi NW 17.3 mph 26.5 mph N/A   Scattered Clouds
5:54 PM 43.0 °F 33.3 °F 15.1 °F 32% 29.68 in 10.0 mi NW 25.3 mph 32.2 mph N/A   Scattered Clouds
6:54 PM 41.0 °F 31.6 °F 15.1 °F 35% 29.70 in 10.0 mi NW 20.7 mph 29.9 mph N/A   Partly Cloudy
7:54 PM 39.9 °F 31.1 °F 16.0 °F 38% 29.74 in 10.0 mi NNW 17.3 mph 27.6 mph N/A   Partly Cloudy
8:54 PM 39.0 °F 31.8 °F 17.1 °F 41% 29.78 in 10.0 mi NW 11.5 mph 20.7 mph N/A   Scattered Clouds
9:54 PM 37.9 °F 30.9 °F 17.1 °F 43% 29.78 in 10.0 mi WNW 10.4 mph - N/A   Partly Cloudy
10:54 PM 37.0 °F 28.1 °F 18.0 °F 46% 29.78 in 10.0 mi West 15.0 mph 21.9 mph N/A   Clear
11:54 PM 36.0 °F 27.5 °F 18.0 °F 48% 29.78 in 10.0 mi West 12.7 mph - N/A   Partly Cloudy