[pct-l] Water Consumption - desert

[Paul Robison]

Dave,

Thanks for posting this... Super helpful.

Our baseline is unscientific and is 4 miles for a liter in moderat to hot weather...  5 miles per liter in cool weather.

... And whatever you can stand to drink over evenings... 

But I'd been worried about estimating for dry camps so this helps tons !!

Sent from my iPod

On 2011-04-02, at 11:51 PM, <dnielsen at djmurphycompany.com> wrote:

> I live in the desert but have never really measured how much water I drink,
> I always just have lots of it and try to not get thirsty and camp at water.
> 
> 
> 
> 
> Today's test:
> 
> 
> 
> 85 degrees at start and 90 degrees at finish.
> 
> Mixed terrain, good trail, moderate to easy elevation changes.
> 
> 35 lb pack at start less water weight at finish
> 
> 47 years old
> 
> Well hydrated at start
> 
> 3 hours hiking
> 
> 15 minutes resting
> 
> 8.5 miles hiked
> 
> 2.83 mph
> 
> Water consumed 71 oz.
> 
> 8.35 oz per mile
> 
> 21.8 oz per hour
> 
> 2/3 of this was water and 1/3 was diluted Gatorade. 
> 
> 
> 
> I had no problems related to hydration. I was intentionally pushing the
> fluid as usual and was never really thirsty.
> 
> 
> 
> The next number would be water consumed in camp to get a 24 hour
> hiking/resting/camping total. 
> 
> 
> 
> I would like to end up with a number for 24 hours, 15 miles, 90 degrees.  My
> guess is 2 gallons.
> 
> 
> 
> 15 mi x 8.35 per mile = 125 oz
> 
> Camp = 32 oz
> 
> Dinner = 32 oz
> 
> Night - 16 oz
> 
> Breakfast/Pre hike hydration 32 oz
> 
> Total 237oz = 7.4 quarts
> 
> Est = 8 quarts or 2 gallons.
> 
> 
> 
> I don't know if anyone else has any good data but I would be interested if
> you do.  Of course this can vary by individual and many other things. 
> 
> 
> 
> Ps. It was 66 degrees and overcast at mile 26 of the PCT at 9:00 a.m today
> 
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