Weather History for Nantucket, MA

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 72 °F -  
Max Temperature 78 °F 74 °F 81 °F (1955)
Min Temperature 66 °F 58 °F 44 °F (1976)
Cooling Degree Days 6    
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 65 °F    
Average Humidity 81    
Maximum Humidity 93    
Minimum Humidity 62    
Precipitation  
Precipitation 0.01 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 8 mph (WSW)    
Max Wind Speed 10 mph    
Max Gust Speed -    
Visibility 9 miles    
Events Rain    
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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Date:

Astronomy

Aug. 20, 2013 Rise Set
Actual Time 5:54 AM EDT 7:31 PM EDT
Civil Twilight 5:25 AM EDT 8:00 PM EDT
Nautical Twilight 4:50 AM EDT 8:35 PM EDT
Astronomical Twilight 4:12 AM EDT 9:13 PM EDT
Moon 7:00 PM EDT (8/20) 5:21 AM EDT (8/20)
Length of Visible Light 14h 35m
Length of Day
13h 36m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 68.0 °F 64.9 °F 90% 30.01 in 10.0 mi West 8.1 mph - N/A   Clear
1:53 AM 70.0 °F 63.0 °F 78% 29.99 in 10.0 mi West 8.1 mph - 0.00 in Rain Light Rain
2:53 AM 68.0 °F 64.9 °F 90% 30.00 in 9.0 mi West 6.9 mph - 0.00 in   Mostly Cloudy
3:53 AM 68.0 °F 64.9 °F 90% 30.00 in 9.0 mi West 10.4 mph - 0.01 in Rain Light Rain
4:53 AM 68.0 °F 64.9 °F 90% 30.01 in 9.0 mi West 9.2 mph - 0.00 in   Clear
5:53 AM 66.9 °F 64.9 °F 93% 30.01 in 8.0 mi WNW 5.8 mph - N/A   Clear
6:53 AM 68.0 °F 66.0 °F 93% 30.04 in 7.0 mi WNW 5.8 mph - N/A   Clear
7:53 AM 71.1 °F 66.0 °F 84% 30.05 in 10.0 mi NW 5.8 mph - N/A   Clear
8:53 AM 73.9 °F 66.0 °F 76% 30.06 in 10.0 mi NW 5.8 mph - N/A   Clear
9:53 AM 77.0 °F 63.0 °F 62% 30.07 in 10.0 mi NW 3.5 mph - N/A   Clear
10:53 AM 75.9 °F 66.9 °F 74% 30.08 in 10.0 mi SW 6.9 mph - N/A   Clear
11:53 AM 75.9 °F 66.9 °F 74% 30.08 in 10.0 mi SW 9.2 mph - N/A   Clear
12:53 PM 75.0 °F 64.9 °F 71% 30.08 in 10.0 mi SW 10.4 mph - N/A   Clear
1:53 PM 75.9 °F 63.0 °F 64% 30.08 in 10.0 mi SW 8.1 mph - N/A   Clear
2:53 PM 75.0 °F 64.0 °F 69% 30.07 in 10.0 mi SW 6.9 mph - N/A   Clear
3:53 PM 73.0 °F 63.0 °F 71% 30.07 in 10.0 mi SW 9.2 mph - N/A   Clear
4:53 PM 73.0 °F 64.0 °F 73% 30.06 in 10.0 mi SW 8.1 mph - N/A   Clear
5:53 PM 73.0 °F 64.0 °F 73% 30.07 in 10.0 mi West 9.2 mph - N/A   Clear
6:53 PM 70.0 °F 64.0 °F 81% 30.08 in 10.0 mi WSW 6.9 mph - N/A   Clear
7:53 PM 68.0 °F 64.0 °F 87% 30.09 in 10.0 mi West 6.9 mph - N/A   Clear
8:53 PM 68.0 °F 64.9 °F 90% 30.10 in 8.0 mi West 6.9 mph - N/A   Clear
9:53 PM 66.9 °F 64.9 °F 93% 30.11 in 6.0 mi WSW 6.9 mph - N/A   Clear
10:53 PM 66.0 °F 64.0 °F 93% 30.11 in 6.0 mi WSW 5.8 mph - N/A   Clear
11:53 PM 66.0 °F 63.0 °F 90% 30.11 in 8.0 mi WSW 6.9 mph - N/A   Clear