Weather History for Boston, MA

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Tuesday, September 4, 2012

  Actual Average Record
Temperature  
Mean Temperature 68 °F 69 °F  
Max Temperature 73 °F 76 °F 94 °F (1973)
Min Temperature 63 °F 61 °F 43 °F (1872)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 4  
Since 1 July heating degree days 0 17  
Cooling Degree Days 3 5  
Month to date cooling degree days 14 20  
Year to date cooling degree days 841 679  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 73    
Precipitation  
Precipitation 0.44 in 0.10 in 1.73 in (1905)
Month to date precipitation 0.44 0.40  
Year to date precipitation 23.51 29.02  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
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 30.02 in    
Wind  
Wind Speed 6 mph (SE)    
Max Wind Speed 15 mph    
Max Gust Speed 17 mph    
Visibility 7 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 04, 2012 Rise Set
Actual Time 6:12 AM EDT 7:12 PM EDT
Civil Twilight 5:44 AM EDT 7:40 PM EDT
Nautical Twilight 5:09 AM EDT 8:14 PM EDT
Astronomical Twilight 4:34 AM EDT 8:50 PM EDT
Moon 8:56 PM EDT (9/4) 10:22 AM EDT (9/4)
Length of Visible Light 13h 56m
Length of Day
12h 59m
Waning Gibbous, 84% of the Moon is Illuminated
Sep 4
Waning Gibbous
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter
Sep 29
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 64.0 °F 55.9 °F 75% 30.16 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
1:54 AM 64.0 °F 55.9 °F 75% 30.15 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
2:54 AM 64.9 °F 57.0 °F 75% 30.14 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
3:54 AM 66.0 °F 57.0 °F 73% 30.12 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
4:54 AM 64.0 °F 60.1 °F 87% 30.13 in 3.0 mi SW 6.9 mph - 0.03 in Rain Light Rain
5:54 AM 64.0 °F 61.0 °F 90% 30.12 in 7.0 mi Variable 3.5 mph - 0.03 in Rain Light Rain
6:54 AM 63.0 °F 61.0 °F 93% 30.12 in 10.0 mi East 5.8 mph - 0.01 in   Overcast
7:54 AM 63.0 °F 61.0 °F 93% 30.12 in 10.0 mi ESE 4.6 mph - N/A   Overcast
8:54 AM 64.0 °F 62.1 °F 93% 30.11 in 10.0 mi ESE 4.6 mph - 0.00 in   Overcast
9:54 AM 64.9 °F 63.0 °F 93% 30.10 in 10.0 mi ESE 5.8 mph - 0.00 in   Overcast
10:33 AM 66.2 °F 64.4 °F 94% 30.10 in 10.0 mi ESE 6.9 mph - N/A   Overcast
10:54 AM 66.9 °F 64.0 °F 90% 30.09 in 10.0 mi SE 5.8 mph - N/A   Overcast
11:29 AM 66.2 °F 64.4 °F 94% 30.09 in 1.8 mi ESE 6.9 mph - 0.01 in Rain Rain
11:54 AM 66.0 °F 64.9 °F 96% 30.08 in 1.5 mi ESE 6.9 mph - 0.15 in Rain Light Rain
11:58 AM 66.2 °F 64.4 °F 94% 30.08 in 3.0 mi ESE 5.8 mph - 0.01 in Rain Light Rain
12:27 PM 66.2 °F 64.4 °F 94% 30.07 in 5.0 mi ESE 12.7 mph - 0.02 in Rain Light Rain
12:54 PM 66.0 °F 64.0 °F 93% 30.06 in 8.0 mi ESE 12.7 mph - 0.03 in Rain Light Rain
1:42 PM 66.2 °F 64.4 °F 94% 30.05 in 7.0 mi ESE 11.5 mph - 0.01 in Rain Light Rain
1:54 PM 66.0 °F 64.0 °F 93% 30.04 in 6.0 mi East 9.2 mph - 0.01 in Rain Light Rain
2:02 PM 66.2 °F 64.4 °F 94% 30.04 in 2.5 mi East 8.1 mph - 0.01 in Rain Heavy Rain
2:11 PM 66.2 °F 64.4 °F 94% 30.03 in 4.0 mi East 6.9 mph - 0.03 in Rain Light Rain
2:32 PM 66.2 °F 66.2 °F 100% 30.02 in 5.0 mi East 6.9 mph - 0.04 in Rain Light Rain
2:54 PM 66.9 °F 64.9 °F 93% 30.01 in 6.0 mi East 5.8 mph - 0.05 in Rain Light Rain
3:10 PM 66.2 °F 64.4 °F 94% 30.00 in 6.0 mi ENE 5.8 mph - 0.00 in Rain Light Rain
3:54 PM 66.9 °F 64.9 °F 93% 29.99 in 7.0 mi East 5.8 mph - 0.01 in Rain Light Rain
4:16 PM 68.0 °F 66.2 °F 94% 29.98 in 10.0 mi East 5.8 mph - 0.01 in   Overcast
4:54 PM 69.1 °F 66.9 °F 93% 29.97 in 10.0 mi East 4.6 mph - 0.01 in   Overcast
5:37 PM 69.8 °F 68.0 °F 94% 29.96 in 10.0 mi SE 4.6 mph - N/A   Overcast
5:54 PM 70.0 °F 68.0 °F 93% 29.96 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
6:14 PM 71.6 °F 69.8 °F 94% 29.96 in 2.0 mi South 5.8 mph - 0.00 in Rain Rain
6:34 PM 71.6 °F 69.8 °F 94% 29.95 in 9.0 mi SSE 5.8 mph - 0.04 in   Overcast
6:54 PM 71.1 °F 69.1 °F 93% 29.95 in 9.0 mi SSE 5.8 mph - 0.04 in   Overcast
7:00 PM 69.8 °F 68.0 °F 94% 29.94 in 1.8 mi SSE 5.8 mph - 0.02 in Rain Heavy Rain
7:13 PM 69.8 °F 68.0 °F 94% 29.94 in 3.0 mi SSE 6.9 mph - 0.07 in Rain Light Rain
7:38 PM 71.6 °F 69.8 °F 94% 29.94 in 3.0 mi SE 4.6 mph - 0.07 in   Overcast
7:54 PM 70.0 °F 69.1 °F 97% 29.94 in 3.0 mi SSE 5.8 mph - 0.07 in   Overcast
8:54 PM 72.0 °F 70.0 °F 93% 29.93 in 3.0 mi SSW 5.8 mph - 0.00 in   Overcast
9:54 PM 72.0 °F 70.0 °F 93% 29.92 in 6.0 mi South 8.1 mph - N/A   Overcast
10:01 PM 71.6 °F 69.8 °F 94% 29.92 in 9.0 mi South 9.2 mph - N/A   Overcast
10:08 PM 73.4 °F 69.8 °F 88% 29.92 in 9.0 mi SSW 10.4 mph - N/A   Overcast
10:54 PM 72.0 °F 70.0 °F 93% 29.90 in 8.0 mi South 8.1 mph - 0.00 in   Mostly Cloudy
11:20 PM 71.6 °F 69.8 °F 94% 29.89 in 6.0 mi South 10.4 mph - N/A   Mostly Cloudy
11:54 PM 71.1 °F 70.0 °F 96% 29.88 in 4.0 mi South 5.8 mph - N/A   Overcast