Weather History for Boston, MA

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Sunday, July 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 69 °F 74 °F  
Max Temperature 73 °F 82 °F 97 °F (1931)
Min Temperature 64 °F 66 °F 55 °F (1880)
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 4 9  
Month to date cooling degree days 319 250  
Year to date cooling degree days 513 416  
Since 1 June cooling degree days 454 386  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 63 °F    
Average Humidity 81    
Maximum Humidity 93    
Minimum Humidity 68    
Precipitation  
Precipitation T in 0.12 in 1.81 in (1901)
Month to date precipitation 3.40 3.17  
Year to date precipitation 19.51 25.01  
Sea Level Pressure  
Sea Level Pressure 30.00 in    
Wind  
Wind Speed 9 mph (NNE)    
Max Wind Speed 18 mph    
Max Gust Speed 22 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 29, 2012 Rise Set
Actual Time 5:33 AM EDT 8:06 PM EDT
Civil Twilight 5:01 AM EDT 8:38 PM EDT
Nautical Twilight 4:21 AM EDT 9:18 PM EDT
Astronomical Twilight 3:36 AM EDT 10:03 PM EDT
Moon 5:10 PM EDT (7/29) 1:43 AM EDT (7/29)
Length of Visible Light 15h 36m
Length of Day
14h 32m
Waxing Gibbous, 85% of the Moon is Illuminated
Jul 29
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
12:06 AM 66.2 °F 64.4 °F 94% 29.96 in 10.0 mi NE 8.1 mph - N/A   Overcast
12:54 AM 66.9 °F 64.9 °F 93% 29.96 in 10.0 mi North 5.8 mph - N/A   Overcast
1:54 AM 66.9 °F 64.9 °F 93% 29.95 in 10.0 mi NNE 6.9 mph - N/A   Overcast
2:54 AM 66.9 °F 64.9 °F 93% 29.94 in 10.0 mi NNE 6.9 mph - N/A   Overcast
3:18 AM 66.2 °F 64.4 °F 94% 29.94 in 10.0 mi NNE 6.9 mph - N/A   Overcast
3:54 AM 66.9 °F 64.9 °F 93% 29.94 in 10.0 mi NE 8.1 mph - N/A   Overcast
4:54 AM 66.9 °F 64.9 °F 93% 29.94 in 10.0 mi NNE 9.2 mph - N/A   Overcast
5:54 AM 66.9 °F 64.0 °F 90% 29.97 in 7.0 mi North 6.9 mph - N/A   Overcast
5:57 AM 66.2 °F 64.4 °F 94% 29.97 in 10.0 mi North 9.2 mph - N/A   Overcast
6:10 AM 66.2 °F 64.4 °F 94% 29.97 in 10.0 mi North 8.1 mph - N/A   Overcast
6:45 AM 66.2 °F 64.4 °F 94% 29.97 in 10.0 mi North 8.1 mph - N/A   Overcast
6:54 AM 66.9 °F 64.9 °F 93% 29.97 in 10.0 mi North 8.1 mph - N/A   Overcast
7:23 AM 66.2 °F 64.4 °F 94% 29.98 in 10.0 mi North 8.1 mph - N/A   Overcast
7:54 AM 66.9 °F 64.9 °F 93% 29.99 in 6.0 mi North 8.1 mph - 0.00 in Rain Light Rain
8:35 AM 66.2 °F 64.4 °F 94% 29.99 in 2.5 mi NNE 9.2 mph - 0.00 in Rain Light Rain
8:54 AM 66.0 °F 64.9 °F 96% 29.99 in 2.0 mi NNE 9.2 mph - 0.00 in   Overcast
9:05 AM 66.2 °F 64.4 °F 94% 29.99 in 1.5 mi NNE 9.2 mph - N/A   Overcast
9:20 AM 66.2 °F 64.4 °F 94% 29.99 in 2.0 mi North 8.1 mph - N/A   Overcast
9:54 AM 66.9 °F 64.9 °F 93% 29.99 in 2.0 mi NNE 9.2 mph - N/A   Overcast
10:35 AM 69.8 °F 64.4 °F 83% 30.00 in 10.0 mi NE 10.4 mph - N/A   Overcast
10:43 AM 68.0 °F 64.4 °F 88% 30.00 in 10.0 mi NNE 8.1 mph - N/A   Overcast
10:54 AM 68.0 °F 64.0 °F 87% 30.00 in 10.0 mi NNE 11.5 mph - N/A   Overcast
11:05 AM 68.0 °F 64.4 °F 88% 30.00 in 10.0 mi NNE 12.7 mph - N/A   Overcast
11:29 AM 68.0 °F 64.4 °F 88% 30.00 in 10.0 mi NE 12.7 mph - N/A   Overcast
11:43 AM 69.8 °F 64.4 °F 83% 30.00 in 10.0 mi NNE 13.8 mph - N/A   Overcast
11:54 AM 70.0 °F 64.9 °F 84% 30.00 in 10.0 mi NE 12.7 mph - N/A   Overcast
12:27 PM 69.8 °F 64.4 °F 83% 30.00 in 10.0 mi NE 15.0 mph - N/A   Overcast
12:54 PM 71.1 °F 64.0 °F 78% 30.00 in 10.0 mi NE 15.0 mph - N/A   Overcast
1:04 PM 69.8 °F 62.6 °F 78% 30.00 in 10.0 mi NE 11.5 mph - N/A   Overcast
1:54 PM 70.0 °F 63.0 °F 78% 30.00 in 10.0 mi NE 10.4 mph - N/A   Overcast
1:59 PM 69.8 °F 62.6 °F 78% 30.00 in 10.0 mi NE 11.5 mph - N/A   Overcast
2:54 PM 71.1 °F 60.1 °F 68% 30.01 in 10.0 mi ENE 16.1 mph - N/A   Overcast
3:04 PM 71.6 °F 60.8 °F 69% 30.01 in 10.0 mi ENE 13.8 mph - N/A   Overcast
3:54 PM 69.1 °F 61.0 °F 75% 30.01 in 10.0 mi East 8.1 mph - N/A   Overcast
4:54 PM 69.1 °F 59.0 °F 70% 30.03 in 10.0 mi NE 10.4 mph - N/A   Overcast
4:59 PM 69.8 °F 59.0 °F 68% 30.03 in 10.0 mi NNE 12.7 mph - N/A   Overcast
5:35 PM 68.0 °F 60.8 °F 78% 30.02 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
5:43 PM 68.0 °F 60.8 °F 78% 30.02 in 10.0 mi ENE 9.2 mph - N/A   Mostly Cloudy
5:54 PM 68.0 °F 60.1 °F 76% 30.02 in 10.0 mi ENE 8.1 mph - N/A   Overcast
6:39 PM 66.2 °F 60.8 °F 83% 30.04 in 10.0 mi ENE 10.4 mph - N/A   Overcast
6:54 PM 66.9 °F 60.1 °F 79% 30.04 in 10.0 mi ENE 11.5 mph - N/A   Overcast
7:54 PM 66.0 °F 60.1 °F 81% 30.06 in 10.0 mi NNE 9.2 mph - N/A   Overcast
8:54 PM 66.0 °F 61.0 °F 84% 30.06 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
9:13 PM 66.2 °F 60.8 °F 83% 30.07 in 10.0 mi North 5.8 mph - N/A   Mostly Cloudy
9:54 PM 68.0 °F 61.0 °F 78% 30.07 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
10:54 PM 64.9 °F 61.0 °F 87% 30.06 in 10.0 mi NNE 5.8 mph - N/A   Scattered Clouds
11:54 PM 64.9 °F 61.0 °F 87% 30.07 in 10.0 mi NNW 4.6 mph - N/A   Scattered Clouds