Weather History for Grand Isle, LA

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Thursday, April 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 78 °F -  
Max Temperature 78 °F 71 °F 80 °F (2001)
Min Temperature 75 °F 67 °F 55 °F (2001)
Cooling Degree Days 13    
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 71 °F    
Average Humidity 80    
Maximum Humidity 83    
Minimum Humidity 78    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.82 in    
Wind  
Wind Speed 13 mph (ESE)    
Max Wind Speed 15 mph    
Max Gust Speed -    
Visibility 7 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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Daily Weather History Graph

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Astronomy

Apr. 18, 2013 Rise Set
Actual Time 6:30 AM CDT 7:28 PM CDT
Civil Twilight 6:05 AM CDT 7:52 PM CDT
Nautical Twilight 5:36 AM CDT 8:21 PM CDT
Astronomical Twilight 5:07 AM CDT 8:51 PM CDT
Moon 12:47 PM CDT (4/18) 1:37 AM CDT (4/18)
Length of Visible Light 13h 47m
Length of Day
12h 58m
First Quarter, 52% of the Moon is Illuminated
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New
May 17
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
5:10 AM - - N/A% - - SE 13.8 mph - N/A   Scattered Clouds
12:25 PM 78.8 °F 73.4 °F 83% - 7.0 mi East 10.4 mph - N/A   Scattered Clouds
5:35 PM 75.2 °F 68.0 °F 78% 29.82 in 7.0 mi SE 15.0 mph - N/A   Scattered Clouds