Weather History for Grand Isle, LA

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Thursday, June 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 82 °F -  
Max Temperature 87 °F 81 °F 91 °F (2008)
Min Temperature 78 °F 78 °F 75 °F (2007)
Cooling Degree Days 18    
Growing Degree Days 32 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 72    
Maximum Humidity 79    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.07 in    
Wind  
Wind Speed 7 mph (WNW)    
Max Wind Speed 9 mph    
Max Gust Speed -    
Visibility 7 miles    
Events Thunderstorm    
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

Jun. 20, 2013 Rise Set
Actual Time 6:00 AM CDT 8:02 PM CDT
Civil Twilight 5:33 AM CDT 8:29 PM CDT
Nautical Twilight 5:00 AM CDT 9:02 PM CDT
Astronomical Twilight 4:25 AM CDT 9:37 PM CDT
Moon 5:11 PM CDT (6/20) 3:17 AM CDT (6/20)
Length of Visible Light 14h 55m
Length of Day
14h 01m
Waxing Gibbous, 89% of the Moon is Illuminated
Jun 20
Waxing Gibbous
Jun 23
Full
Jun 29
Last Quarter
Jul 8
New
Jul 15
First Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
4:35 AM 82.4 °F 89.5 °F 75.2 °F 79% 30.02 in 7.0 mi SW 6.9 mph - N/A   Partly Cloudy
11:30 AM 87.8 °F 97.6 °F 75.2 °F 66% 30.10 in 7.0 mi NW 9.2 mph - N/A   Mostly Cloudy
12:25 PM 87.8 °F 97.6 °F 75.2 °F 66% 30.10 in 7.0 mi NNW 9.2 mph - N/A Thunderstorm Overcast
1:10 PM 78.8 °F - 71.6 °F 78% 30.09 in 7.0 mi North 4.6 mph - N/A   Mostly Cloudy
4:55 PM 84.2 °F 90.9 °F 73.4 °F 70% 30.05 in 7.0 mi WSW 3.5 mph - N/A   Mostly Cloudy