Weather History for Nantucket, MA

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Saturday, April 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 52 °F -  
Max Temperature 57 °F 51 °F 69 °F (2002)
Min Temperature 46 °F 36 °F 28 °F (1973)
Degree Days  
Heating Degree Days 14    
Growing Degree Days 2 (Base 50)    
Moisture  
Dew Point 48 °F    
Average Humidity 88    
Maximum Humidity 100    
Minimum Humidity 68    
Precipitation  
Precipitation 0.85 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 20 mph (SW)    
Max Wind Speed 28 mph    
Max Gust Speed 45 mph    
Visibility 5 miles    
Events Fog , 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

Apr. 20, 2013 Rise Set
Actual Time 5:52 AM EDT 7:25 PM EDT
Civil Twilight 5:23 AM EDT 7:55 PM EDT
Nautical Twilight 4:48 AM EDT 8:30 PM EDT
Astronomical Twilight 4:11 AM EDT 9:07 PM EDT
Moon 2:03 PM EDT (4/20) 2:43 AM EDT (4/20)
Length of Visible Light 14h 31m
Length of Day
13h 33m
Waxing Gibbous, 71% of the Moon is Illuminated
Apr 20
Waxing Gibbous
Apr 25
Full
May 2
Last Quarter
May 9
New
May 18
First Quarter

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 55.9 °F - 54.0 °F 93% 29.81 in 1.0 mi South 24.2 mph 38.0 mph N/A   Mist
1:35 AM 55.4 °F - 53.6 °F 94% 29.79 in 0.8 mi South 25.3 mph 35.7 mph N/A   Mist
1:53 AM 55.0 °F - 54.0 °F 96% 29.79 in 0.8 mi South 21.9 mph 34.5 mph 0.02 in Rain Light Rain
2:53 AM 55.0 °F - 54.0 °F 96% 29.76 in 0.5 mi South 21.9 mph 31.1 mph 0.01 in Fog Fog
3:53 AM 55.9 °F - 54.0 °F 93% 29.75 in 0.8 mi South 27.6 mph 35.7 mph 0.08 in Rain Light Rain
4:03 AM 57.2 °F - 55.4 °F 94% 29.76 in 1.2 mi SSW 27.6 mph 44.9 mph 0.07 in Rain Rain
4:12 AM 55.4 °F - 53.6 °F 94% 29.75 in 2.5 mi SSW 21.9 mph 35.7 mph 0.09 in Rain Rain
4:28 AM 57.2 °F - 55.4 °F 94% 29.75 in 1.5 mi SSW 26.5 mph 32.2 mph 0.14 in Rain Light Rain
4:53 AM 55.9 °F - 55.0 °F 97% 29.76 in 1.2 mi SSW 21.9 mph 29.9 mph 0.19 in Rain Heavy Rain
5:25 AM 55.4 °F - 53.6 °F 94% 29.75 in 0.5 mi SSW 19.6 mph 27.6 mph 0.03 in Fog , Rain Light Rain
5:46 AM 55.4 °F - 53.6 °F 94% 29.75 in 1.0 mi SSW 19.6 mph - 0.04 in Rain Light Rain
5:53 AM 55.0 °F - 54.0 °F 96% 29.75 in 1.0 mi SSW 17.3 mph - 0.05 in Rain Light Rain
6:03 AM 53.6 °F - 53.6 °F 100% 29.75 in 0.8 mi SSW 18.4 mph - 0.06 in Rain Rain
6:53 AM 55.0 °F - 54.0 °F 96% 29.75 in 0.5 mi SSW 19.6 mph 28.8 mph 0.15 in Fog , Rain Light Rain
7:44 AM 55.4 °F - 53.6 °F 94% 29.76 in 1.5 mi SW 19.6 mph 27.6 mph 0.09 in Rain Light Rain
7:53 AM 54.0 °F - 53.1 °F 97% 29.76 in 1.0 mi SW 18.4 mph 26.5 mph 0.11 in Rain Rain
8:53 AM 50.0 °F - 48.9 °F 96% 29.80 in 5.0 mi West 15.0 mph 23.0 mph 0.01 in Rain Light Rain
9:53 AM 52.0 °F - 50.0 °F 93% 29.83 in 4.0 mi West 10.4 mph - 0.07 in Rain Light Rain
10:53 AM 50.0 °F - 48.0 °F 93% 29.91 in 2.0 mi West 12.7 mph - 0.12 in Rain Rain
11:27 AM 48.2 °F - 44.6 °F 87% 29.91 in 9.0 mi NW 12.7 mph 20.7 mph 0.03 in Rain Light Rain
11:53 AM 48.9 °F - 44.1 °F 83% 29.92 in 10.0 mi WNW 9.2 mph - 0.04 in Rain Light Rain
12:53 PM 50.0 °F - 46.0 °F 86% 29.91 in 6.0 mi SW 8.1 mph - 0.00 in   Mostly Cloudy
1:53 PM 51.1 °F - 46.0 °F 83% 29.93 in 7.0 mi WSW 15.0 mph - N/A   Partly Cloudy
2:53 PM 48.9 °F - 43.0 °F 80% 29.95 in 8.0 mi WSW 13.8 mph - N/A   Clear
3:53 PM 50.0 °F - 41.0 °F 71% 29.95 in 10.0 mi WSW 15.0 mph - N/A   Clear
4:53 PM 48.9 °F - 43.0 °F 80% 29.98 in 9.0 mi WSW 15.0 mph - N/A   Clear
5:53 PM 48.9 °F - 42.1 °F 77% 30.01 in 9.0 mi WSW 13.8 mph - N/A   Clear
6:53 PM 48.0 °F - 41.0 °F 77% 30.01 in 7.0 mi WSW 12.7 mph - N/A   Clear
7:53 PM 46.9 °F - 39.0 °F 74% 30.05 in 10.0 mi West 10.4 mph - N/A   Clear
8:53 PM 48.0 °F - 37.9 °F 68% 30.09 in 10.0 mi West 12.7 mph - N/A   Clear
9:53 PM 46.9 °F - 39.0 °F 74% 30.12 in 10.0 mi West 10.4 mph - N/A   Clear
10:53 PM 46.0 °F 41.4 °F 39.0 °F 76% 30.14 in 10.0 mi West 9.2 mph - N/A   Clear
11:53 PM 46.0 °F 41.0 °F 39.0 °F 76% 30.18 in 10.0 mi West 10.4 mph - N/A   Clear