Weather History for Boston, MA

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Friday, July 27, 2012

  Actual Average Record
Temperature  
Mean Temperature 72 °F 74 °F  
Max Temperature 79 °F 82 °F 98 °F (1882)
Min Temperature 64 °F 66 °F 52 °F (1876)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 74 55  
Since 1 July heating degree days 0 0  
Cooling Degree Days 7 9  
Month to date cooling degree days 313 232  
Year to date cooling degree days 507 398  
Since 1 June cooling degree days 448 368  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 83    
Maximum Humidity 93    
Minimum Humidity 73    
Precipitation  
Precipitation 0.02 in 0.12 in 1.75 in (1889)
Month to date precipitation 2.53 2.92  
Year to date precipitation 18.64 24.76  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.76 in    
Wind  
Wind Speed 6 mph (East)    
Max Wind Speed 14 mph    
Max Gust Speed 20 mph    
Visibility 8 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jul. 27, 2012 Rise Set
Actual Time 5:31 AM EDT 8:08 PM EDT
Civil Twilight 4:59 AM EDT 8:40 PM EDT
Nautical Twilight 4:19 AM EDT 9:20 PM EDT
Astronomical Twilight 3:33 AM EDT 10:06 PM EDT
Moon 3:02 PM EDT (7/27) 12:02 AM EDT (7/27)
Length of Visible Light 15h 40m
Length of Day
14h 36m
Waxing Gibbous, 65% of the Moon is Illuminated
Jul 27
Waxing Gibbous
Aug 1
Full
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:02 AM 77.0 °F 73.4 °F 89% 29.61 in 8.0 mi SW 8.1 mph - N/A   Overcast
12:54 AM 77.0 °F 72.0 °F 84% 29.59 in 9.0 mi WSW 8.1 mph - N/A   Overcast
1:14 AM 77.0 °F 71.6 °F 83% 29.59 in 10.0 mi WSW 9.2 mph - N/A   Overcast
1:45 AM 77.0 °F 71.6 °F 83% 29.61 in 10.0 mi West 10.4 mph - N/A   Overcast
1:54 AM 77.0 °F 71.1 °F 82% 29.61 in 10.0 mi West 10.4 mph - N/A   Overcast
2:47 AM 75.2 °F 69.8 °F 83% 29.62 in 10.0 mi West 10.4 mph - N/A   Overcast
2:54 AM 75.0 °F 69.1 °F 82% 29.63 in 10.0 mi West 10.4 mph - N/A   Overcast
3:54 AM 73.9 °F 68.0 °F 82% 29.64 in 10.0 mi West 8.1 mph - N/A   Mostly Cloudy
4:54 AM 68.0 °F 64.0 °F 87% 29.67 in 10.0 mi ESE 4.6 mph - N/A   Mostly Cloudy
5:54 AM 66.9 °F 64.0 °F 90% 29.68 in 10.0 mi East 3.5 mph - 0.00 in   Overcast
6:54 AM 66.0 °F 63.0 °F 90% 29.72 in 6.0 mi East 5.8 mph - 0.01 in Rain Light Rain
7:41 AM 64.4 °F 62.6 °F 94% 29.72 in 5.0 mi ESE 6.9 mph - 0.01 in Rain Light Rain
7:54 AM 66.0 °F 64.0 °F 93% 29.73 in 7.0 mi East 6.9 mph - 0.01 in   Overcast
8:54 AM 66.0 °F 64.0 °F 93% 29.74 in 10.0 mi East 5.8 mph - N/A   Overcast
9:54 AM 66.0 °F 64.0 °F 93% 29.76 in 7.0 mi ENE 5.8 mph - N/A   Overcast
10:54 AM 68.0 °F 64.0 °F 87% 29.77 in 7.0 mi ENE 8.1 mph - N/A   Overcast
11:54 AM 68.0 °F 64.0 °F 87% 29.77 in 5.0 mi ENE 6.9 mph - N/A   Overcast
11:59 AM 68.0 °F 64.4 °F 88% 29.77 in 2.0 mi ENE 6.9 mph - N/A   Overcast
12:54 PM 69.1 °F 64.6 °F 86% 29.78 in 2.0 mi NE 6.9 mph - N/A   Overcast
1:24 PM 71.6 °F 66.2 °F 83% 29.77 in 7.0 mi East 5.8 mph - N/A   Overcast
1:44 PM 71.6 °F 64.4 °F 78% 29.78 in 7.0 mi NE 4.6 mph - N/A   Overcast
1:54 PM 73.0 °F 64.9 °F 76% 29.78 in 7.0 mi Variable 5.8 mph - N/A   Mostly Cloudy
2:54 PM 70.0 °F 64.0 °F 81% 29.79 in 7.0 mi East 9.2 mph - N/A   Overcast
3:10 PM 69.8 °F 64.4 °F 83% 29.80 in 7.0 mi NE 6.9 mph - N/A   Overcast
3:54 PM 72.0 °F 64.0 °F 76% 29.81 in 10.0 mi North 6.9 mph - N/A   Overcast
4:54 PM 69.1 °F 66.0 °F 90% 29.82 in 5.0 mi ENE 5.8 mph - 0.00 in Rain Light Rain
5:03 PM 69.8 °F 66.2 °F 88% 29.83 in 7.0 mi Variable 4.6 mph - 0.00 in   Overcast
5:54 PM 66.9 °F 64.0 °F 90% 29.84 in 10.0 mi East 6.9 mph - 0.00 in   Overcast
6:44 PM 68.0 °F 64.4 °F 88% 29.85 in 10.0 mi SE 5.8 mph - N/A   Mostly Cloudy
6:54 PM 66.0 °F 62.1 °F 87% 29.86 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
7:54 PM 66.0 °F 63.0 °F 90% 29.86 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
8:54 PM 66.9 °F 63.0 °F 87% 29.88 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
9:54 PM 66.9 °F 62.1 °F 84% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:54 PM 66.9 °F 63.0 °F 87% 29.91 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
11:54 PM 68.0 °F 63.0 °F 84% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy