Upper Colorado snowpack › Colorado Headwaters › Copper Mountain

Copper Mountain snowpack

NRCS SNOTEL station 415 at 10,500 ft in Summit County, Colorado, in the Colorado Headwaters basin, with daily records since Oct 1, 1978. Latest reading Oct 29, 2026.

Snow water equivalent
0%
of the 1991–2020 median for this date · 0% of average
SWE today
0 in
median 0.6 in · average 0.8 in
Water-year precipitation
47%
of average since Oct 1 · 0.9 in vs. 1.9 in
Toward the normal peak
0%
of the average peak, 16.1 in around Apr 23

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 5 10 15 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Apr 23
Daily snow water equivalent at Copper Mountain, 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 30 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 25.8 in (May 5, 2011) and as low as 8.2 in (Mar 17, 2026). The 1991–2020 average peak is 16.1 in around Apr 23.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 8.2 Mar 17, 2026 51% 4.6 365
2025 16.2 Apr 1, 2025 101% 16.2 365
2024 15.9 Apr 28, 2024 99% 14.2 366
2023 15.7 Apr 28, 2023 98% 15 365
2022 13.9 Apr 15, 2022 86% 12.6 365
2021 12.4 Apr 1, 2021 77% 12.4 365
2020 19.6 Apr 24, 2020 122% 17.6 366
2019 21.5 May 2, 2019 134% 19 365
2018 14.6 Apr 21, 2018 91% 11 365
2017 17.3 Apr 10, 2017 107% 16 365
2016 17.5 May 2, 2016 109% 14.9 366
2015 15.5 Apr 29, 2015 96% 14 365
2014 22.5 Apr 16, 2014 140% 20.3 365
2013 15.3 Apr 25, 2013 95% 10 365
2012 10.3 Mar 21, 2012 64% 8.2 366
2011 25.8 May 5, 2011 160% 19.2 365
2010 12.6 Apr 6, 2010 78% 11.5 365
2009 18.5 Apr 21, 2009 115% 15.8 365
2008 20.4 Apr 14, 2008 127% 18.3 366
2007 17.3 Apr 24, 2007 107% 12.8 365
2006 19.2 Apr 16, 2006 119% 17.8 365
2005 13.7 May 1, 2005 85% 12.3 365
2004 10.3 Apr 12, 2004 64% 10 366
2003 20.6 Apr 24, 2003 128% 16.5 365
2002 12.7 Apr 10, 2002 79% 12 365
2001 14.4 Apr 23, 2001 89% 12.7 365
2000 17.5 Apr 23, 2000 109% 15.6 366
1999 19.4 May 6, 1999 120% 13 365
1998 15.6 Apr 26, 1998 97% 13.8 365
1997 23.2 May 2, 1997 144% 17.3 365
1996 23.4 May 1, 1996 145% 20.7 366
1995 21.5 May 10, 1995 134% 14.7 365
1994 16.4 Apr 16, 1994 102% 13.9 365
1993 19.7 May 8, 1993 122% 16.4 365
1992 13.7 Apr 20, 1992 85% 12.9 366
1991 12.6 Apr 30, 1991 78% 10.2 365
1990 13.2 May 1, 1990 82% 11.6 365
1989 14.2 Apr 12, 1989 88% 11.8 365
1988 13.7 Apr 2, 1988 85% 13.6 366
1987 11.4 Apr 3, 1987 71% 11 365
1986 15.6 Apr 27, 1986 97% 13.3 365
1985 15.8 Apr 9, 1985 98% 14.8 365
1984 20.6 May 12, 1984 128% 16.6 366
1983 19.5 May 19, 1983 121% 14.7 365
1982 17.8 Apr 27, 1982 111% 16.6 365
1981 9.3 Apr 8, 1981 58% 8 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 415:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 39.4892, -106.1715. Other stations in the Colorado Headwaters basin are listed on the basin page.