Weather History for Grand Isle, LA

Change the Weather History Date:

Monday, September 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 80 °F -  
Max Temperature 82 °F 77 °F 86 °F (2007)
Min Temperature 80 °F 74 °F 66 °F (1999)
Cooling Degree Days 15    
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 76    
Maximum Humidity 79    
Minimum Humidity 74    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.89 in    
Wind  
Wind Speed 12 mph (SE)    
Max Wind Speed 12 mph    
Max Gust Speed -    
Visibility 5 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 30, 2013 Rise Set
Actual Time 6:52 AM CDT 6:46 PM CDT
Civil Twilight 6:28 AM CDT 7:10 PM CDT
Nautical Twilight 6:01 AM CDT 7:37 PM CDT
Astronomical Twilight 5:33 AM CDT 8:05 PM CDT
Moon 2:47 AM CDT (9/30) 4:02 PM CDT (9/30)
Length of Visible Light 12h 41m
Length of Day
11h 53m
Waning Crescent, 19% of the Moon is Illuminated
Sep 30
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Hourly Weather History & Observations

Time (CDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
5:00 AM 80.6 °F 85.4 °F 73.4 °F 79% 29.89 in 3.0 mi South 11.5 mph - N/A   Scattered Clouds
5:25 PM 82.4 °F 88.2 °F 73.4 °F 74% 29.90 in 7.0 mi East 11.5 mph - N/A   Mostly Cloudy