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Thread: Historical Weather Info

  1. #1
    Join Date
    Jul 2007
    Lovettsville, VA
    Thanked 112 Times in 67 Posts

    Default Historical Weather Info

    Anyone know where I can find historical info for Yosemite National Park? Any search I do comes up with current weather or history of Yosemite.

    I'm trying to figure out a good time to go out there in the Spring. Cousin of mine that's a trail guide said April is a good month. The temps aren't too high and the snow has melted making the waterfalls flow at their fullest. I'm trying to find out over the month what the highs/lows are and likelyhood of rain.

    My quest will be to climb the famed Half Dome. Most likely I'll look at taking 4-5 days out there in the park to account for a possible rain delay.
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    My 48: Washington (07/07, 07/08, 07/09, 09/09, 07/10), Lafayette (08/08, 08/09), Lincoln (08/08, 08/09), Pierce (07/10), Carrigain (09/10), Cannon (10/10), Jackson (11/10), Field (11/10), Tom (01/11)

  2. #2
    Join Date
    Feb 2007
    New Hampshire
    Thanked 0 Times in 0 Posts


    You can find lots of info if you just Google. Keep in mind that if you plan to hike Half Dome, the cables aren't in place until late May-early June and those are required so plan your trip accordingly and don't forget your gloves. The hike (from Happy Isle on the JMT) is about 17 miles so plan for an early start to beat the crowds.

    If your trip is after a big snow year (I was there in 1995, 200% normal snow), the falls could be impressive throughout the entire summer. Here is a shot of 600' high Nevada Falls taken in late July.
    17 Nevada Falls.jpg

  3. #3
    Join Date
    Aug 2007
    Mount Washington, NH
    Thanked 110 Times in 42 Posts


    Here is the website I used when I was working as a lab rat in CA:

    This should be everything you looking for I think.

    Ryan Knapp
    Staff Meteorologist/Night Observer, KMWN (Mt Washington Obs., NH)

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