Weather History for Grand Isle, LA

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Thursday, January 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 48 °F 58 °F 66 °F (1998)
Min Temperature 42 °F 54 °F 39 °F (2005)
Degree Days  
Heating Degree Days 23    
Moisture  
Dew Point 40 °F    
Average Humidity 82    
Maximum Humidity 87    
Minimum Humidity 76    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 20 mph (West)    
Max Wind Speed 21 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

Jan. 17, 2013 Rise Set
Actual Time 6:54 AM CST 5:25 PM CST
Civil Twilight 6:29 AM CST 5:51 PM CST
Nautical Twilight 6:00 AM CST 6:20 PM CST
Astronomical Twilight 5:31 AM CST 6:48 PM CST
Moon 10:35 AM CST (1/17) 11:40 PM CST (1/17)
Length of Visible Light 11h 22m
Length of Day
10h 31m
Waxing Crescent, 38% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New

Hourly Weather History & Observations

Time (CST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
4:50 AM 42.8 °F 34.0 °F 39.2 °F 87% 30.22 in 7.0 mi WNW 20.7 mph - N/A   Scattered Clouds
12:00 PM 48.2 °F - 41.0 °F 76% 30.29 in 7.0 mi West 17.3 mph - N/A   Partly Cloudy