Weather History for Martha's Vineyard, MA

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Saturday, September 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 58 °F -  
Max Temperature 77 °F 70 °F 82 °F (1983)
Min Temperature 42 °F 53 °F 32 °F (2003)
Degree Days  
Heating Degree Days 6    
Growing Degree Days 8 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 60    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.99 in    
Wind  
Wind Speed 3 mph (SSE)    
Max Wind Speed 16 mph    
Max Gust Speed 25 mph    
Visibility 5 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

Sep. 21, 2013 Rise Set
Actual Time 6:29 AM EDT 6:41 PM EDT
Civil Twilight 6:01 AM EDT 7:08 PM EDT
Nautical Twilight 5:29 AM EDT 7:40 PM EDT
Astronomical Twilight 4:55 AM EDT 8:13 PM EDT
Moon 7:47 PM EDT (9/21) 8:46 AM EDT (9/21)
Length of Visible Light 13h 07m
Length of Day
12h 11m
Waning Gibbous, 94% of the Moon is Illuminated
Sep 21
Waning Gibbous
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
Full

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:29 AM 46.4 °F - 44.6 °F 93% 30.06 in 0.2 mi Calm Calm - 0.01 in Fog Fog
12:53 AM 45.0 °F - 44.1 °F 97% 30.06 in 0.2 mi Calm Calm - 0.01 in Fog Fog
1:03 AM 44.6 °F - 44.6 °F 100% 30.06 in 0.2 mi Calm Calm - N/A Fog Fog
1:17 AM 44.6 °F - 42.8 °F 93% 30.06 in 0.2 mi Calm Calm - N/A Fog Fog
1:29 AM 44.6 °F - 42.8 °F 93% 30.06 in 0.5 mi Calm Calm - N/A Fog Fog
1:42 AM 42.8 °F - 42.8 °F 100% 30.05 in 0.2 mi Calm Calm - N/A Fog Fog
1:53 AM 43.0 °F - 42.1 °F 97% 30.05 in 0.5 mi Calm Calm - N/A Fog Fog
1:59 AM 44.6 °F - 42.8 °F 93% 30.05 in 1.2 mi Calm Calm - N/A   Partly Cloudy
2:03 AM 44.6 °F - 42.8 °F 93% 30.05 in 3.0 mi Calm Calm - N/A   Partly Cloudy
2:07 AM 42.8 °F - 42.8 °F 100% 30.05 in 1.8 mi Calm Calm - N/A   Clear
2:16 AM 42.8 °F 41.1 °F 42.8 °F 100% 30.05 in 3.0 mi SSE 3.5 mph - N/A   Clear
2:49 AM 42.8 °F - 41.0 °F 93% 30.04 in 1.2 mi Calm Calm - N/A   Clear
2:53 AM 44.1 °F - 41.0 °F 89% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
3:01 AM 44.6 °F - 42.8 °F 93% 30.04 in 0.2 mi Calm Calm - N/A Fog Fog
3:09 AM 44.6 °F - 42.8 °F 93% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
3:18 AM 44.6 °F - 42.8 °F 93% 30.03 in 0.2 mi Calm Calm - N/A Fog Fog
3:38 AM 44.6 °F - 42.8 °F 93% 30.03 in 0.2 mi Calm Calm - N/A Fog Fog
3:45 AM 44.6 °F - 42.8 °F 93% 30.03 in 0.5 mi Calm Calm - N/A Fog Fog
3:53 AM 46.9 °F - 45.0 °F 93% 30.04 in 0.2 mi Calm Calm - N/A Fog Fog
4:01 AM 48.2 °F - 46.4 °F 93% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
4:12 AM 48.2 °F - 46.4 °F 93% 30.04 in 0.5 mi Calm Calm - N/A Fog Fog
4:27 AM 48.2 °F - 46.4 °F 93% 30.04 in 1.2 mi Calm Calm - N/A   Overcast
4:30 AM 48.2 °F - 46.4 °F 93% 30.04 in 5.0 mi Calm Calm - N/A   Overcast
4:53 AM 51.1 °F - 48.9 °F 92% 30.04 in 5.0 mi Calm Calm - N/A   Overcast
5:03 AM 51.8 °F - 50.0 °F 94% 30.04 in 2.5 mi Calm Calm - N/A   Overcast
5:10 AM 51.8 °F - 51.8 °F 100% 30.04 in 10.0 mi Calm Calm - N/A   Overcast
5:53 AM 55.0 °F - 53.1 °F 93% 30.03 in 10.0 mi Calm Calm - N/A   Overcast
6:53 AM 57.9 °F - 55.9 °F 93% 30.02 in 10.0 mi South 5.8 mph - N/A   Partly Cloudy
7:53 AM 64.9 °F - 61.0 °F 87% 30.01 in 10.0 mi South 8.1 mph - N/A   Clear
8:53 AM 68.0 °F - 62.1 °F 81% 30.02 in 10.0 mi SSE 8.1 mph - N/A   Clear
9:53 AM 70.0 °F - 61.0 °F 73% 30.02 in 10.0 mi SSE 11.5 mph - N/A   Clear
10:53 AM 69.1 °F - 60.1 °F 73% 30.01 in 10.0 mi SSE 10.4 mph - N/A   Mostly Cloudy
11:53 AM 73.0 °F - 61.0 °F 66% 29.97 in 10.0 mi South 13.8 mph - N/A   Partly Cloudy
12:53 PM 75.0 °F - 62.1 °F 64% 29.95 in 10.0 mi South 10.4 mph - N/A   Clear
1:53 PM 75.9 °F - 61.0 °F 60% 29.93 in 10.0 mi South 15.0 mph - N/A   Partly Cloudy
2:53 PM 75.9 °F - 63.0 °F 64% 29.91 in 10.0 mi South 16.1 mph 25.3 mph N/A   Clear
3:53 PM 73.9 °F - 64.0 °F 71% 29.90 in 10.0 mi South 12.7 mph 20.7 mph N/A   Clear
4:53 PM 73.0 °F - 64.0 °F 73% 29.88 in 10.0 mi South 15.0 mph - N/A   Clear
5:53 PM 70.0 °F - 64.0 °F 81% 29.86 in 10.0 mi SSE 11.5 mph - N/A   Clear
6:53 PM 69.1 °F - 64.0 °F 84% 29.86 in 10.0 mi SSE 13.8 mph 21.9 mph N/A   Overcast
7:53 PM 68.0 °F - 64.0 °F 87% 29.86 in 10.0 mi SSE 12.7 mph - N/A   Mostly Cloudy
8:53 PM 68.0 °F - 64.9 °F 90% 29.84 in 10.0 mi SSE 11.5 mph - N/A   Scattered Clouds
9:53 PM 69.1 °F - 64.9 °F 87% 29.82 in 10.0 mi South 15.0 mph - N/A   Mostly Cloudy
10:53 PM 70.0 °F - 64.0 °F 81% 29.81 in 10.0 mi South 16.1 mph 23.0 mph N/A   Overcast
11:53 PM 70.0 °F - 64.0 °F 81% 29.79 in 10.0 mi South 15.0 mph - N/A   Overcast