Weather History for Nantucket, MA

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Saturday, May 12, 2012

  Actual Average Record
Temperature  
Mean Temperature 54 °F -  
Max Temperature 66 °F 59 °F 84 °F (1970)
Min Temperature 43 °F 45 °F 39 °F (1963)
Degree Days  
Heating Degree Days 10    
Growing Degree Days 4 (Base 50)    
Moisture  
Dew Point 45 °F    
Average Humidity 69    
Maximum Humidity 93    
Minimum Humidity 30    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 10 mph (WSW)    
Max Wind Speed 18 mph    
Max Gust Speed 20 mph    
Visibility 10 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

May. 12, 2012 Rise Set
Actual Time 5:24 AM EDT 7:49 PM EDT
Civil Twilight 4:53 AM EDT 8:20 PM EDT
Nautical Twilight 4:14 AM EDT 8:59 PM EDT
Astronomical Twilight 3:31 AM EDT 9:42 PM EDT
Moon 1:00 AM EDT (5/12) 12:01 PM EDT (5/12)
Length of Visible Light 15h 27m
Length of Day
14h 25m
Waning Gibbous, 53% of the Moon is Illuminated
May 12
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 52.0 °F - 48.9 °F 89% 30.04 in 10.0 mi West 10.4 mph - N/A   Clear
1:53 AM 48.9 °F - 46.9 °F 93% 30.04 in 10.0 mi West 5.8 mph - N/A   Clear
2:53 AM 48.9 °F - 45.0 °F 86% 30.05 in 10.0 mi WNW 5.8 mph - N/A   Clear
3:53 AM 48.9 °F - 44.1 °F 83% 30.06 in 10.0 mi NW 8.1 mph - N/A   Clear
4:53 AM 43.0 °F 38.2 °F 39.9 °F 89% 30.08 in 10.0 mi West 8.1 mph - N/A   Clear
5:53 AM 46.9 °F - 44.1 °F 90% 30.10 in 10.0 mi WNW 5.8 mph - N/A   Clear
6:53 AM 52.0 °F - 48.0 °F 86% 30.12 in 10.0 mi West 4.6 mph - N/A   Clear
7:53 AM 59.0 °F - 45.0 °F 60% 30.14 in 10.0 mi West 6.9 mph - N/A   Clear
8:53 AM 62.1 °F - 39.9 °F 44% 30.16 in 10.0 mi WNW 11.5 mph 19.6 mph N/A   Clear
9:53 AM 64.0 °F - 39.0 °F 40% 30.16 in 10.0 mi West 12.7 mph - N/A   Clear
10:53 AM 66.9 °F - 34.0 °F 30% 30.16 in 10.0 mi WNW 9.2 mph 17.3 mph N/A   Clear
11:21 AM 62.6 °F - 46.4 °F 55% 30.17 in 10.0 mi WSW 13.8 mph - N/A   Clear
11:53 AM 63.0 °F - 48.0 °F 58% 30.16 in 10.0 mi SW 13.8 mph - N/A   Clear
12:53 PM 64.9 °F - 41.0 °F 42% 30.15 in 10.0 mi WSW 12.7 mph - N/A   Clear
1:53 PM 64.0 °F - 46.0 °F 52% 30.14 in 10.0 mi SW 13.8 mph - N/A   Clear
2:53 PM 63.0 °F - 43.0 °F 48% 30.14 in 10.0 mi WSW 16.1 mph - N/A   Clear
3:53 PM 60.1 °F - 48.0 °F 64% 30.13 in 10.0 mi WSW 15.0 mph - N/A   Clear
4:53 PM 60.1 °F - 48.9 °F 67% 30.12 in 10.0 mi SW 18.4 mph - N/A   Clear
5:53 PM 57.9 °F - 48.0 °F 70% 30.12 in 10.0 mi SW 15.0 mph - N/A   Clear
6:53 PM 57.0 °F - 48.0 °F 72% 30.13 in 10.0 mi WSW 15.0 mph - N/A   Clear
7:53 PM 54.0 °F - 48.9 °F 83% 30.14 in 10.0 mi SW 10.4 mph - N/A   Clear
8:53 PM 54.0 °F - 48.9 °F 83% 30.15 in 10.0 mi SW 10.4 mph - N/A   Clear
9:53 PM 53.1 °F - 48.9 °F 86% 30.16 in 9.0 mi SW 8.1 mph - N/A   Clear
10:53 PM 55.9 °F - 48.9 °F 77% 30.15 in 10.0 mi WSW 13.8 mph - N/A   Clear
11:53 PM 54.0 °F - 48.9 °F 83% 30.15 in 10.0 mi WSW 12.7 mph - N/A   Clear