Weather History for Martha's Vineyard, MA

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Wednesday, September 14, 2011

  Actual Average Record
Temperature  
Mean Temperature 73 °F -  
Max Temperature 78 °F 73 °F 88 °F (1952)
Min Temperature 69 °F 56 °F 39 °F (1955)
Cooling Degree Days 8    
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 67 °F    
Average Humidity 84    
Maximum Humidity 94    
Minimum Humidity 71    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.95 in    
Wind  
Wind Speed 11 mph (SW)    
Max Wind Speed 21 mph    
Max Gust Speed 29 mph    
Visibility 6 miles    
Events      
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

Sep. 14, 2011 Rise Set
Actual Time 6:21 AM EDT 6:53 PM EDT
Civil Twilight 5:53 AM EDT 7:21 PM EDT
Nautical Twilight 5:20 AM EDT 7:54 PM EDT
Astronomical Twilight 4:47 AM EDT 8:28 PM EDT
Moon 7:34 PM EDT (9/14) 8:31 AM EDT (9/14)
Length of Visible Light 13h 28m
Length of Day
12h 32m
Waning Gibbous, 95% of the Moon is Illuminated
Sep 14
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 69.1 °F 64.0 °F 84% 29.93 in 10.0 mi SW 11.5 mph - N/A   Clear
1:53 AM 69.1 °F 64.9 °F 87% 29.92 in 8.0 mi SW 9.2 mph - N/A   Clear
3:53 AM 69.1 °F 64.9 °F 87% 29.92 in 7.0 mi SW 8.1 mph - N/A   Clear
4:53 AM 69.1 °F 66.0 °F 90% 29.92 in 6.0 mi SW 8.1 mph - N/A   Clear
6:11 AM 69.8 °F 66.2 °F 88% 29.93 in 5.0 mi SW 9.2 mph - N/A   Partly Cloudy
6:19 AM 69.8 °F 66.2 °F 88% 29.93 in 4.0 mi SW 9.2 mph - N/A   Overcast
6:53 AM 69.1 °F 66.0 °F 90% 29.94 in 3.0 mi SSW 6.9 mph - N/A   Overcast
7:00 AM 69.8 °F 66.2 °F 88% 29.94 in 3.0 mi SSW 6.9 mph - N/A   Clear
7:53 AM 71.1 °F 66.9 °F 87% 29.95 in 5.0 mi SW 9.2 mph - N/A   Clear
8:53 AM 73.0 °F 66.9 °F 81% 29.95 in 8.0 mi SW 12.7 mph - N/A   Clear
9:53 AM 75.0 °F 66.9 °F 76% 29.96 in 10.0 mi SW 11.5 mph - N/A   Clear
10:53 AM 75.9 °F 66.9 °F 74% 29.96 in 10.0 mi SSW 19.6 mph - N/A   Clear
11:53 AM 77.0 °F 66.9 °F 71% 29.96 in 10.0 mi SSW 18.4 mph - N/A   Clear
12:53 PM 75.9 °F 66.9 °F 74% 29.96 in 10.0 mi SSW 20.7 mph 28.8 mph N/A   Clear
1:53 PM 75.9 °F 66.9 °F 74% 29.96 in 10.0 mi SW 19.6 mph 26.5 mph N/A   Clear
2:53 PM 75.9 °F 66.9 °F 74% 29.95 in 10.0 mi SW 15.0 mph 25.3 mph N/A   Clear
3:53 PM 75.9 °F 66.9 °F 74% 29.96 in 10.0 mi SW 15.0 mph 26.5 mph N/A   Clear
4:53 PM 75.0 °F 68.0 °F 79% 29.96 in 10.0 mi SSW 15.0 mph - N/A   Clear
5:53 PM 72.0 °F 66.9 °F 84% 29.96 in 9.0 mi SW 11.5 mph - N/A   Clear
6:53 PM 70.0 °F 66.9 °F 90% 29.95 in 6.0 mi SW 8.1 mph - N/A   Clear
7:53 PM 69.1 °F 66.9 °F 93% 29.96 in 6.0 mi SSW 6.9 mph - N/A   Clear
8:33 PM 69.8 °F 66.2 °F 88% 29.97 in 1.0 mi South 5.8 mph - N/A   Scattered Clouds
8:40 PM 69.8 °F 66.2 °F 88% 29.97 in 1.0 mi South 5.8 mph - N/A   Mostly Cloudy
8:53 PM 70.0 °F 66.9 °F 90% 29.97 in 1.0 mi South 6.9 mph - N/A   Mostly Cloudy
9:46 PM 69.8 °F 66.2 °F 88% 29.97 in 5.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
9:53 PM 70.0 °F 66.9 °F 90% 29.97 in 5.0 mi SSW 9.2 mph - N/A   Mostly Cloudy
10:53 PM 70.0 °F 66.9 °F 90% 29.98 in 5.0 mi SSW 10.4 mph - N/A   Mostly Cloudy
11:19 PM 69.8 °F 68.0 °F 94% 29.98 in 5.0 mi SSW 10.4 mph - N/A   Overcast