Tioga Pass Road Opening and Closing Dates

Read the latest about Tioga Pass on the Mono Lake Committee's Mono-logue.

Tioga Road was completed in 1915, and paved in 1937. Note the short season during WWII. The section in the park was rebuilt in 1961 and the section east of the park was rebuilt 1965-70.

1933-2014
Average Tioga Pass Road Opening Date: May 29
Average Tioga Pass Road Closing Date: November 3

Year

Opening Date

Closing Date

Days Open

1933 8-Jul 30-Sep 84
1934 17-May 28-Sep 134
1935 21-Jun 11-Oct 112
1936 1-Jul 9-Sep 70
1937 23-Jun 13-Oct 112
1938 5-Jul 16-Oct 103
1939 5-Jun    
1940 8-Jun 20-Oct 134
1941 20-Jun 16-Oct 118
1942 27-Jun 13-Oct 108
1943 25-Jun 4-Sep 71
1944 27-Jun 4-Sep 69
1945 24-Jun 10-Sep 78
1946 9-Jun 6-Oct 119
1947 24-May 14-Oct 143
1948 25-Jun 22-Sep 89
1949 28-May 16-Oct 141
1950 30-May 26-Oct 149
1951 26-May 23-Oct 150
1952 21-Jun 13-Nov 145
1953 22-May 18-Oct 149
1954 26-May 14-Nov 172
1955 28-May 8-Nov 164
1956 16-Jun 24-Oct 130
1957 25-May 3-Nov 162
1958 22-Jun 22-Oct 122
1959 16-May 30-Oct 167
1960 27-May 31-Oct 157
1961 26-Apr 27-Oct 184
1962 26-May 1-Nov 159
1963 30-May 2-Nov 156
1964 16-May 31-Oct 168
1965 29-May 4-Nov 159
1966 27-May 6-Nov 163
1967 17-Jun 18-Nov 154
1968 4-May 3-Nov 183
1969 6-Jun 3-Nov 150
1970 15-May 1-Nov 170
1971 14-May 10-Nov 180
1972 11-Apr 7-Nov 210
1973 18-May 11-Nov 177
1974 17-May 28-Oct 164
1975 29-May 30-Oct 154
1976 10-Apr 29-Dec 263
1977 8-Apr 20-Nov 226
1978 3-Jun 10-Nov 160
1979 18-May 3-Nov 169
1980 6-Jun 2-Dec 179
1981 15-May 12-Nov 181
1982 28-May 8-Nov 164
1983 30-Jun 11-Nov 134
1984 19-May 5-Nov 170
1985 8-May 10-Nov 186
1986 24-May 6-Dec 196
1987 8-May 23-Nov 199
1988 29-Apr 13-Nov 198
1989 12-May 24-Nov 196
1990 17-May 19-Nov 186
1991 26-May 14-Nov 172
1992 20-May 29-Oct 162
1993 4-Jun 11-Nov 160
1994 26-May 10-Nov 168
1995 30-Jun 6-Dec 159
1996 31-May 24-Oct 146
1997 13-Jun 10-Nov 150
1998 1-Jul 6-Nov 128
1999

28-May

1-Jan 2000

218

2000

18-May

9-Nov

175

2001

12-May

20-Nov

192

2002

24-May

6-Nov

166

2003

31-May

31-Oct

153

2004

14-May

17-Oct

156

2005

24-Jun

25-Nov

154

2006

17-Jun

26-Nov

162

2007

11-May

6-Dec

209

2008

21-May

30-Oct

162

2009

19-May

12-Nov

177

2010 5-Jun 19-Nov 167
2011 18-Jun 17-Jan 2012 213
2012 7-May 9-Nov 186
2013 11-May 18-Nov 191
2014 2-May    
       

Average:

29-May 3-Nov 158

Earliest:

8-Apr 4-Sep 69(least)

Latest:

8-Jul 17-Jan 263(most)
       

Average by Decade

   
1933-39 19-Jun 2-Oct 103
1940-49 15-Jun 30-Sep 107
1950-59 1-Jun 30-Oct 151
1960-69 24-May 3-Nov 163
1970-79 8-May 11-Nov 187
1980-89 21-May 17-Nov 180
1990-99 4-Jun 15-Nov 165

2000-09

25-May

11-Nov

171

2010-19

21-May

1-Dec

189

If road opened then closed briefly again, the earliest opening and latest closing date is used. Days open refers to the number of days between these dates and does not reflect closures within these dates. For example, in 1999 the pass was closed from Nov. 18-Dec. 23, but the "days open" figure includes these 35 days that it was closed.

Pre-1994 data compiled by Bob Gregg. Post-1994 data compiled by Mono Lake Committee.

 

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