Boston, MA

6:11 PM EDT on June 26, 2017 (GMT -0400)
Logan International

Weather History for KBOS - August, 2012

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Sunday, August 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 80 °F 73 °F  
Max Temperature 88 °F 81 °F 100 °F (1955)
Min Temperature 72 °F 66 °F 54 °F (1972)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 74 61  
Since 1 July heating degree days 0 6  
Cooling Degree Days 15 8  
Month to date cooling degree days 65 44  
Year to date cooling degree days 588 476  
Since 1 June cooling degree days 529 446  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 72 °F    
Average Humidity 76    
Maximum Humidity 93    
Minimum Humidity 59    
Precipitation  
Precipitation 0.08 in 0.12 in 2.49 in (1952)
Month to date precipitation 0.88 0.61  
Year to date precipitation 20.87 25.88  
Sea Level Pressure  
Sea Level Pressure 30.09 in    
Wind  
Wind Speed 13 mph (SSW)    
Max Wind Speed 28 mph    
Max Gust Speed 37 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Daily Weather History Graph

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Date:

Astronomy

Aug. 05, 2012 Rise Set
Actual Time 5:41 AM EDT 7:58 PM EDT
Civil Twilight 5:09 AM EDT 8:29 PM EDT
Nautical Twilight 4:31 AM EDT 9:07 PM EDT
Astronomical Twilight 3:48 AM EDT 9:50 PM EDT
Moon 9:28 PM EDT (8/5) 9:33 AM EDT (8/5)
Length of Visible Light 15h 19m
Length of Day
14h 16m
Waning Gibbous, 86% of the Moon is Illuminated
Aug 5
Waning Gibbous
Aug 9
Last Quarter
Aug 17
New
Aug 24
First Quarter
Aug 31
Full

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 73.9 °F - 71.1 °F 91% 30.22 in 10.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
1:14 AM 75.2 °F - 71.6 °F 89% 30.22 in 10.0 mi SSW 9.2 mph - N/A   Overcast
1:35 AM 75.2 °F - 71.6 °F 89% 30.22 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
1:54 AM 75.0 °F - 71.1 °F 87% 30.22 in 10.0 mi SSW 5.8 mph - N/A   Partly Cloudy
2:42 AM 73.4 °F - 71.6 °F 94% 30.22 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
2:54 AM 73.9 °F - 71.1 °F 91% 30.22 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
3:17 AM 73.4 °F - 71.6 °F 94% 30.21 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
3:31 AM 73.4 °F - 69.8 °F 88% 30.21 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
3:54 AM 73.0 °F - 70.0 °F 90% 30.20 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
4:48 AM 73.4 °F - 71.6 °F 94% 30.19 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
4:54 AM 73.0 °F - 71.1 °F 93% 30.18 in 10.0 mi Calm Calm - N/A   Scattered Clouds
5:28 AM 73.4 °F - 71.6 °F 94% 30.18 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
5:40 AM 73.4 °F - 71.6 °F 94% 30.18 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
5:54 AM 73.9 °F - 71.1 °F 91% 30.18 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
6:21 AM 75.2 °F - 71.6 °F 89% 30.17 in 10.0 mi South 5.8 mph - N/A   Scattered Clouds
6:54 AM 75.9 °F - 72.0 °F 87% 30.17 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
7:54 AM 78.1 °F - 73.0 °F 84% 30.17 in 10.0 mi South 10.4 mph - N/A   Scattered Clouds
8:54 AM 82.0 °F 86.7 °F 72.0 °F 71% 30.17 in 10.0 mi SSW 12.7 mph - N/A   Mostly Cloudy
9:54 AM 82.9 °F 87.5 °F 71.1 °F 67% 30.14 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
10:54 AM 84.0 °F 89.0 °F 71.1 °F 65% 30.13 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
11:54 AM 84.9 °F 90.7 °F 72.0 °F 65% 30.10 in 10.0 mi South 11.5 mph - N/A   Mostly Cloudy
12:54 PM 87.1 °F 93.6 °F 72.0 °F 61% 30.07 in 10.0 mi South 12.7 mph - N/A   Mostly Cloudy
1:54 PM 86.0 °F 95.1 °F 75.0 °F 70% 30.05 in 9.0 mi South 16.1 mph 21.9 mph 0.00 in Rain Light Rain
2:54 PM 84.0 °F 91.2 °F 73.9 °F 72% 30.02 in 10.0 mi South 13.8 mph - 0.00 in Rain Light Rain
3:54 PM 84.9 °F 91.4 °F 73.0 °F 67% 30.01 in 10.0 mi South 21.9 mph - 0.00 in   Mostly Cloudy
4:54 PM 84.0 °F 89.6 °F 72.0 °F 67% 29.99 in 10.0 mi SSW 21.9 mph 29.9 mph N/A   Scattered Clouds
5:54 PM 82.0 °F 86.7 °F 72.0 °F 71% 29.98 in 10.0 mi SSW 21.9 mph 26.5 mph N/A   Mostly Cloudy
6:54 PM 80.1 °F 83.8 °F 72.0 °F 76% 29.97 in 10.0 mi SSW 18.4 mph 26.5 mph 0.00 in   Mostly Cloudy
7:54 PM 75.9 °F - 69.1 °F 79% 29.96 in 9.0 mi SW 11.5 mph - 0.03 in Rain Light Rain
8:08 PM 75.2 °F - 69.8 °F 83% 29.95 in 8.0 mi SW 8.1 mph - 0.02 in Rain Rain
8:54 PM 75.9 °F - 73.0 °F 91% 29.95 in 10.0 mi SSW 13.8 mph - 0.05 in   Mostly Cloudy
9:54 PM 77.0 °F - 73.0 °F 88% 29.93 in 10.0 mi SSW 16.1 mph 23.0 mph N/A   Mostly Cloudy
9:59 PM 77.0 °F - 73.4 °F 89% 29.93 in 10.0 mi SSW 16.1 mph 23.0 mph N/A   Mostly Cloudy
10:54 PM 78.1 °F - 73.9 °F 87% 29.94 in 10.0 mi SW 15.0 mph - N/A   Mostly Cloudy
11:34 PM 78.8 °F - 73.4 °F 83% 29.93 in 10.0 mi SW 20.7 mph 27.6 mph N/A   Overcast
11:54 PM 77.0 °F - 71.1 °F 82% 29.94 in 10.0 mi WSW 18.4 mph 32.2 mph 0.00 in Rain Light Rain