Weather History for Martha's Vineyard, MA

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Tuesday, August 14, 2012

  Actual Average Record
Temperature  
Mean Temperature 74 °F -  
Max Temperature 86 °F 77 °F 87 °F (1988)
Min Temperature 64 °F 62 °F 46 °F (1998)
Cooling Degree Days 9    
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 80    
Maximum Humidity 94    
Minimum Humidity 46    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 7 miles    
Events Fog    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 14, 2012 Rise Set
Actual Time 5:50 AM EDT 7:42 PM EDT
Civil Twilight 5:21 AM EDT 8:12 PM EDT
Nautical Twilight 4:44 AM EDT 8:48 PM EDT
Astronomical Twilight 4:05 AM EDT 9:27 PM EDT
Moon 2:44 AM EDT (8/14) 5:35 PM EDT (8/14)
Length of Visible Light 14h 51m
Length of Day
13h 51m
Waning Crescent, 10% of the Moon is Illuminated
Aug 14
Waning Crescent
Aug 17
New
Aug 24
First Quarter
Aug 31
Full
Sep 8
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 73.0 °F - 68.0 °F 84% 29.94 in 10.0 mi West 5.8 mph - N/A   Clear
1:53 AM 73.0 °F - 69.1 °F 87% 29.94 in 10.0 mi West 4.6 mph - N/A   Clear
2:53 AM 72.0 °F - 68.0 °F 87% 29.94 in 10.0 mi Calm Calm - N/A   Clear
3:53 AM 70.0 °F - 66.9 °F 90% 29.93 in 10.0 mi Calm Calm - N/A   Clear
4:53 AM 66.0 °F - 63.0 °F 90% 29.94 in 10.0 mi West 3.5 mph - N/A   Clear
5:25 AM 66.2 °F - 62.6 °F 88% 29.95 in 3.0 mi Calm Calm - N/A   Partly Cloudy
5:41 AM 66.2 °F - 64.4 °F 94% 29.95 in 1.5 mi Calm Calm - N/A   Clear
5:50 AM 66.2 °F - 62.6 °F 88% 29.95 in 0.5 mi Calm Calm - N/A Fog Fog
5:53 AM 66.0 °F - 63.0 °F 90% 29.95 in 0.2 mi Calm Calm - N/A Fog Fog
6:01 AM 66.2 °F - 62.6 °F 88% 29.95 in 1.2 mi Calm Calm - N/A   Clear
6:03 AM 64.4 °F - 62.6 °F 94% 29.95 in 3.0 mi Calm Calm - N/A   Clear
6:07 AM 64.4 °F - 62.6 °F 94% 29.94 in 1.8 mi Calm Calm - N/A   Clear
6:16 AM 64.4 °F - 62.6 °F 94% 29.95 in 3.0 mi Calm Calm - N/A   Clear
6:53 AM 70.0 °F - 66.0 °F 87% 29.95 in 10.0 mi Calm Calm - N/A   Clear
7:53 AM 75.0 °F - 68.0 °F 79% 29.96 in 10.0 mi Variable 3.5 mph - N/A   Clear
8:53 AM 79.0 °F - 66.0 °F 64% 29.96 in 10.0 mi West 5.8 mph - N/A   Clear
9:53 AM 81.0 °F 82.7 °F 64.9 °F 58% 29.96 in 10.0 mi West 6.9 mph - N/A   Clear
10:53 AM 82.0 °F 83.4 °F 64.0 °F 54% 29.96 in 10.0 mi West 8.1 mph - N/A   Clear
11:53 AM 82.9 °F 84.4 °F 64.0 °F 53% 29.96 in 10.0 mi WNW 9.2 mph - N/A   Clear
12:53 PM 84.0 °F 84.5 °F 62.1 °F 47% 29.96 in 10.0 mi WNW 9.2 mph - N/A   Clear
1:53 PM 84.9 °F 85.4 °F 62.1 °F 46% 29.95 in 10.0 mi WSW 10.4 mph - N/A   Clear
2:53 PM 84.9 °F 85.9 °F 63.0 °F 48% 29.94 in 10.0 mi WNW 8.1 mph - N/A   Clear
3:53 PM 82.9 °F 84.0 °F 63.0 °F 51% 29.94 in 10.0 mi SW 10.4 mph - N/A   Clear
4:53 PM 81.0 °F 82.5 °F 64.0 °F 56% 29.94 in 10.0 mi SSW 9.2 mph - N/A   Clear
5:53 PM 79.0 °F - 69.1 °F 72% 29.93 in 10.0 mi SW 9.2 mph - N/A   Clear
6:53 PM 77.0 °F - 69.1 °F 76% 29.92 in 10.0 mi SW 8.1 mph - N/A   Clear
7:53 PM 75.0 °F - 69.1 °F 82% 29.92 in 10.0 mi WSW 4.6 mph - N/A   Clear
8:53 PM 73.0 °F - 69.1 °F 87% 29.94 in 10.0 mi SW 3.5 mph - N/A   Clear
9:53 PM 68.0 °F - 66.0 °F 93% 29.95 in 7.0 mi Calm Calm - N/A   Clear
10:33 PM 66.2 °F - 64.4 °F 94% 29.95 in 3.0 mi Calm Calm - N/A   Partly Cloudy
10:35 PM 66.2 °F - 64.4 °F 94% 29.95 in 2.0 mi Calm Calm - N/A   Partly Cloudy
10:42 PM 66.2 °F - 64.4 °F 94% 29.95 in 2.0 mi Calm Calm - N/A   Mostly Cloudy
10:46 PM 66.2 °F - 62.6 °F 88% 29.95 in 4.0 mi Calm Calm - N/A   Scattered Clouds
10:53 PM 66.9 °F - 63.0 °F 87% 29.95 in 8.0 mi Calm Calm - N/A   Scattered Clouds
11:04 PM 66.2 °F - 62.6 °F 88% 29.95 in 1.8 mi Calm Calm - N/A   Mostly Cloudy
11:11 PM 66.2 °F - 64.4 °F 94% 29.95 in 2.5 mi Calm Calm - N/A   Scattered Clouds
11:18 PM 66.2 °F - 64.4 °F 94% 29.95 in 8.0 mi Calm Calm - N/A   Partly Cloudy
11:53 PM 66.0 °F - 62.1 °F 87% 29.95 in 5.0 mi Calm Calm - N/A   Clear