Weather History for KBOS - August, 2014

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Thursday, August 21, 2014

  Actual Average Record
Temperature  
Mean Temperature 66 °F 72 °F  
Max Temperature 72 °F 79 °F 97 °F (1955)
Min Temperature 60 °F 64 °F 52 °F (1882)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 28 61  
Since 1 July heating degree days 0 6  
Cooling Degree Days 1 7  
Month to date cooling degree days 123 167  
Year to date cooling degree days 574 599  
Since 1 June cooling degree days 552 569  
Growing Degree Days 16 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 85    
Maximum Humidity 97    
Minimum Humidity 73    
Precipitation  
Precipitation 0.00 in 0.10 in 1.72 in (1991)
Month to date precipitation 1.11 2.36  
Year to date precipitation 26.25 27.63  
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 6 mph (ENE)    
Max Wind Speed 14 mph    
Max Gust Speed 15 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 21, 2014 Rise Set
Actual Time 5:57 AM EDT 7:36 PM EDT
Civil Twilight 5:27 AM EDT 8:05 PM EDT
Nautical Twilight 4:51 AM EDT 8:41 PM EDT
Astronomical Twilight 4:13 AM EDT 9:19 PM EDT
Moon 2:23 AM EDT (8/21) 5:04 PM EDT (8/21)
Length of Visible Light 14h 37m
Length of Day
13h 38m
Waning Crescent, 13% of the Moon is Illuminated
Aug 21
Waning Crescent
Aug 25
New
Sep 2
First Quarter
Sep 8
Full
Sep 15
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 63.0 °F 59.0 °F 87% 30.06 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 63.0 °F 60.1 °F 90% 30.06 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 63.0 °F 60.1 °F 90% 30.07 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:54 AM 61.0 °F 59.0 °F 93% 30.06 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
4:54 AM 61.0 °F 59.0 °F 93% 30.06 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:54 AM 63.0 °F 60.1 °F 90% 30.07 in 10.0 mi NNW 4.6 mph - N/A   Mostly Cloudy
6:54 AM 63.0 °F 59.0 °F 87% 30.08 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
7:54 AM 63.0 °F 60.1 °F 90% 30.09 in 10.0 mi ENE 4.6 mph - N/A   Mostly Cloudy
8:54 AM 64.9 °F 61.0 °F 87% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:54 AM 68.0 °F 60.1 °F 76% 30.11 in 10.0 mi ENE 5.8 mph - N/A   Scattered Clouds
10:54 AM 68.0 °F 61.0 °F 78% 30.10 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
11:54 AM 69.1 °F 62.1 °F 78% 30.10 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
12:54 PM 71.1 °F 63.0 °F 75% 30.09 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
1:54 PM 71.1 °F 63.0 °F 75% 30.09 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
2:54 PM 71.1 °F 64.0 °F 78% 30.07 in 10.0 mi ENE 11.5 mph - N/A   Scattered Clouds
3:54 PM 70.0 °F 64.0 °F 81% 30.06 in 10.0 mi ENE 11.5 mph - N/A   Mostly Cloudy
4:54 PM 69.1 °F 64.0 °F 84% 30.07 in 10.0 mi ENE 10.4 mph - N/A   Mostly Cloudy
5:54 PM 68.0 °F 64.0 °F 87% 30.07 in 10.0 mi East 8.1 mph - N/A   Mostly Cloudy
6:54 PM 66.9 °F 64.0 °F 90% 30.07 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
7:54 PM 66.9 °F 64.0 °F 90% 30.09 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
8:54 PM 66.9 °F 64.0 °F 90% 30.09 in 10.0 mi ENE 6.9 mph - N/A   Mostly Cloudy
9:54 PM 66.9 °F 64.0 °F 90% 30.09 in 10.0 mi ENE 8.1 mph - N/A   Mostly Cloudy
10:54 PM 66.9 °F 64.0 °F 90% 30.09 in 10.0 mi ENE 5.8 mph - N/A   Overcast
11:54 PM 66.9 °F 63.0 °F 87% 30.09 in 10.0 mi NNE 4.6 mph - N/A   Overcast