Upper Colorado snowpack › Colorado Headwaters › Nast Lake

Nast Lake snowpack

NRCS SNOTEL station 658 at 8,710 ft in Pitkin County, Colorado, in the Colorado Headwaters basin, with daily records since Sep 30, 1985. Latest reading Oct 29, 2026.

Snow water equivalent
—
of the 1991–2020 median for this date · 0% of average
SWE today
0 in
median 0 in · average 0.1 in
Water-year precipitation
53%
of average since Oct 1 · 0.8 in vs. 1.5 in
Toward the normal peak
0%
of the average peak, 8.2 in around Mar 13

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 2 4 6 8 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Mar 13
Daily snow water equivalent at Nast Lake, 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 5 10 15 20 OctNovDecJanFebMarAprMayJunJulAugSep
Precipitation accumulated since October 1, in inches (rain and snow together), against the 1991–2020 average.

Peak snowpack by water year

Since 1986 this station's snowpack has peaked as high as 15.2 in (Apr 13, 2008) and as low as 4.5 in (Mar 21, 2013). The 1991–2020 average peak is 8.2 in around Mar 13.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 5.5 Mar 8, 2026 67% 0 365
2025 9.4 Mar 22, 2025 115% 6.6 365
2024 12 Mar 29, 2024 146% 11.7 366
2023 12.6 Apr 6, 2023 154% 12.5 365
2022 9.2 Mar 17, 2022 112% 7.8 365
2021 9.1 Mar 30, 2021 111% 8.7 365
2020 11.8 Mar 31, 2020 144% 11.2 366
2019 14.2 Mar 16, 2019 173% 12.2 365
2018 7 Mar 23, 2018 85% 5 365
2017 12.1 Mar 7, 2017 148% 6.5 365
2016 8.8 Apr 1, 2016 107% 8.8 366
2015 7.3 Mar 8, 2015 89% 0.5 365
2014 9.6 Mar 31, 2014 117% 9.6 365
2013 4.5 Mar 21, 2013 55% 3.6 365
2012 5.5 Mar 3, 2012 67% 0 366
2011 11.3 Mar 13, 2011 138% 10.9 365
2010 6 Apr 6, 2010 73% 5.5 365
2009 11 Apr 5, 2009 134% 10.3 365
2008 15.2 Apr 13, 2008 185% 13.9 366
2007 6.5 Mar 11, 2007 79% 3.9 365
2006 9.6 Mar 16, 2006 117% 7.5 365
2005 6.9 Apr 5, 2005 84% 6.5 365
2004 7.9 Mar 7, 2004 96% 0.7 366
2003 7.3 Mar 31, 2003 89% 6.7 365
2002 5.7 Mar 8, 2002 70% 2.5 365
2001 7.3 Mar 19, 2001 89% 5.9 365
2000 9.7 Apr 3, 2000 118% 9.3 366
1999 7.5 Mar 14, 1999 91% 2.6 365
1998 9 Mar 21, 1998 110% 8.6 365
1997 13.8 Mar 11, 1997 168% 9 365
1996 13.2 Mar 21, 1996 161% 12.1 366
1995 11.3 Mar 30, 1995 138% 11.3 365
1994 8.7 Apr 9, 1994 106% 6.8 365
1993 13.8 Apr 12, 1993 168% 12.7 365
1992 7.6 Mar 31, 1992 93% 7.6 366
1991 8.8 Mar 30, 1991 107% 8.6 365
1990 6.3 Mar 18, 1990 77% 5.6 365
1989 8.3 Apr 4, 1989 101% 7.5 365
1988 7.1 Mar 25, 1988 87% 7 366
1987 7.2 Mar 29, 1987 88% 7.2 365
1986 10.8 Mar 19, 1986 132% 9 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 658:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 39.297, -106.6079. Other stations in the Colorado Headwaters basin are listed on the basin page.