On 05/16/2011 09:05 AM, RHF wrote:

http://www.altitude.org/air_pressure.php

Note : 3850 Ft ASL is only "High Altitude"
-if- the surface of the Ground is that far
below you; and you don't have a Parachute ;;-}}

~ RHF
.
I have been 2,000' higher (I am surrounded by mountains) for a total of
3,800'. The weather's not much different. Camp 9 is at 4,000'. It is the
nearest official weather station.

http://forecast.weather.gov/MapClick...5&lon=-118.402