This information is set up to answer the often-asked question by many Mt Whitney
hikers, who have a permit for May, June or July. The switchbacks are covered
by snow and unuseable until enough snow melts that the trail can be followed.

April Most Hwy 120 days April
Snow First people Tioga after Crabtree
Year Level use using Open Tioga water
----- ------- ------- ------- --------- ------ -------
2018 50% May 21 11
2017 160% July 9 July 14 June 29 10 44
2016 June 5 June 15 May 18 17 15
2015 June 1 June 8 May 4 28 1
2014 June 2 June 13 May 2 28
2013 May 23 June 4 May 11 12 7
2012 May 23 June 4 May 7 16 7
2011 July 9 June 18 21 36


2018 Snow level from CDEC (April, Kern R avg), 46%
from: http://cdec.water.ca.gov/snow/current/snow/index.html
    http://cdec.water.ca.gov/cgi-progs/snow/COURSES.04

April Crabtree water: Water content (inches) for station 253 for April
Link: "Individual Snow Course Historical Data"
    http://cdec.water.ca.gov/cgi-progs/snowQuery


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