Quote:
Originally Posted by mhcasey  So does humidity have a significant effect on density altitude, or not? |
It's clear that it does. You'll find a number of density altitude calculators around on the web. Here's one:
http://wahiduddin.net/calc/calc_da_rh.htm
Plug in values for sea level on a 100 degree F day, with humidities of 0 and 100%, and you'll see a difference of over 800 feet.