Upper Colorado snowpack › Gunnison › Slumgullion

Slumgullion snowpack

NRCS SNOTEL station 762 at 11,560 ft in Hinsdale County, Colorado, in the Gunnison basin, with daily records since Aug 12, 1980. Latest reading Oct 29, 2026.

Snow water equivalent
323%
of the 1991–2020 median for this date · 280% of average
SWE today
4.2 in
median 1.3 in · average 1.5 in
Water-year precipitation
305%
of average since Oct 1 · 6.7 in vs. 2.2 in
Toward the normal peak
30%
of the average peak, 14.2 in around Apr 9

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 5 10 15 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Apr 9
Daily snow water equivalent at Slumgullion, in inches, October through September, against the station's 1991–2020 median and average.

Water-year precipitation

Water year 2027Water year 20261991–2020 average
0 10 20 OctNovDecJanFebMarAprMayJunJulAugSep
Precipitation accumulated since October 1, in inches (rain and snow together), against the 1991–2020 average.

Peak snowpack by water year

Since 1981 this station's snowpack has peaked as high as 22.7 in (May 2, 1997) and as low as 6.4 in (Mar 7, 2026). The 1991–2020 average peak is 14.2 in around Apr 9.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 6.4 Mar 7, 2026 45% 1.1 364
2025 11.8 Apr 6, 2025 83% 10.8 365
2024 13.4 Apr 11, 2024 94% 12.4 366
2023 14.1 Apr 6, 2023 99% 14 365
2022 11.2 Apr 6, 2022 79% 10.9 365
2021 12.9 Mar 28, 2021 91% 12.9 365
2020 15.7 Apr 21, 2020 111% 14.7 366
2019 21.4 Apr 9, 2019 151% 21.1 365
2018 8.5 Apr 7, 2018 60% 8 365
2017 16 Apr 6, 2017 113% 15.2 365
2016 14.7 May 2, 2016 104% 14.3 366
2015 12.6 Apr 28, 2015 89% 11.8 365
2014 14.6 Apr 7, 2014 103% 13.9 365
2013 12 Apr 21, 2013 85% 8.8 365
2012 12.1 Apr 4, 2012 85% 11.7 366
2011 16.9 May 3, 2011 119% 14 365
2010 14.7 Apr 9, 2010 104% 14.2 365
2009 16 Apr 17, 2009 113% 12 365
2008 19.6 Apr 19, 2008 138% 17.5 366
2007 16.6 Apr 15, 2007 117% 13 365
2006 15.2 Apr 15, 2006 107% 13.4 365
2005 18.7 May 5, 2005 132% 16.9 365
2004 13.8 May 1, 2004 97% 11.1 366
2003 11.9 Apr 9, 2003 84% 11.3 365
2002 8.1 Apr 16, 2002 57% 7.5 365
2001 17.6 Apr 23, 2001 124% 15.5 365
2000 13.9 Apr 16, 2000 98% 13.4 366
1999 22.2 May 5, 1999 156% 13.8 365
1998 16.1 Apr 27, 1998 113% 14.2 365
1997 22.7 May 2, 1997 160% 18.2 365
1996 15.7 Apr 21, 1996 111% 14.1 366
1995 20.2 May 13, 1995 142% 15.5 365
1994 12.8 May 1, 1994 90% 10.2 365
1993 13.9 Apr 18, 1993 98% 12.4 365
1992 11.3 Apr 15, 1992 80% 11.2 366
1991 14.9 Apr 14, 1991 105% 14 365
1990 14 May 2, 1990 99% 8.9 365
1989 12.2 Apr 12, 1989 86% 11.1 365
1988 11.2 Apr 4, 1988 79% 11.1 366
1987 20 Apr 12, 1987 141% 18.6 365
1986 17.6 Apr 28, 1986 124% 15.6 365
1985 16.8 Apr 28, 1985 118% 15.1 365
1984 21.6 May 5, 1984 152% 17.8 366
1983 14.3 Apr 23, 1983 101% 11.9 365
1982 17.4 Apr 28, 1982 123% 15.7 365
1981 8.7 Apr 8, 1981 61% 8 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 762:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 37.9908, -107.2039. Other stations in the Gunnison basin are listed on the basin page.