Enter The Zipcode For The Area You Want
Past Weather Information On and Enter....
W eatherUnderground Will Return Current Conditions....
Scroll Down To Just Below The Moon Phases.
There You Will Find "Historical Conditions"...
Enter Your Date Of Desired Weather Info There!.
Includes Temp, Moisture, Pressure, Including Density Altitude
Select Any City...Then Check Out Historical Data>Last 48 Hrs.
Online Weather Calculator For Density Altitude
Great article from Modulardepot.com about the effect of weather and correcting your ETs using density altitude
Go to Articles>Archives> Look for the Article on 07-21-2003 Sorry, but It won't link directly.
