Upper Colorado snowpack › San Juan › Stump Lakes
Stump Lakes snowpack
NRCS SNOTEL station 797 at 11,230 ft in La Plata County, Colorado, in the San Juan basin, with daily records since Sep 5, 1986. Latest reading Oct 29, 2026.
Snow water equivalent
183%
of the 1991–2020 median for this date · 138% of average
SWE today
2.2 in
median 1.2 in · average 1.6 in
Water-year precipitation
356%
of average since Oct 1 · 9.6 in vs. 2.7 in
Toward the normal peak
12%
of the average peak, 18.8 in around Apr 15
This water year against the normals
Water year 2027Water year 20261991–2020 median1991–2020 average
Water-year precipitation
Water year 2027Water year 20261991–2020 average
Peak snowpack by water year
Since 1987 this station's snowpack has peaked as high as 36.1 in (Apr 12, 2005) and as low as 5.8 in (Apr 12, 2002). The 1991–2020 average peak is 18.8 in around Apr 15.
| Water year | Peak SWE (in) | Peak date | % of normal peak | April 1 SWE (in) | Days of data |
|---|---|---|---|---|---|
| 2026 | 8.6 | Feb 22, 2026 | 46% | 4.6 | 365 |
| 2025 | 14 | Apr 6, 2025 | 74% | 12.7 | 365 |
| 2024 | 20.4 | Apr 7, 2024 | 109% | 20 | 366 |
| 2023 | 29.3 | Apr 4, 2023 | 156% | 29 | 365 |
| 2022 | 16.3 | Apr 1, 2022 | 87% | 16.3 | 365 |
| 2021 | 14.6 | Mar 26, 2021 | 78% | 14.6 | 365 |
| 2020 | 19.5 | Mar 31, 2020 | 104% | 19.5 | 366 |
| 2019 | 30.7 | Apr 10, 2019 | 163% | 30.3 | 365 |
| 2018 | 8.6 | Mar 27, 2018 | 46% | 8.6 | 365 |
| 2017 | 24.2 | Apr 3, 2017 | 129% | 23.7 | 365 |
| 2016 | 19.4 | May 2, 2016 | 103% | 15.2 | 366 |
| 2015 | 14.5 | May 25, 2015 | 77% | 12.3 | 365 |
| 2014 | 17.2 | Apr 8, 2014 | 91% | 16.2 | 365 |
| 2013 | 12.4 | Apr 18, 2013 | 66% | 11.4 | 365 |
| 2012 | 15.3 | Mar 19, 2012 | 81% | 14.9 | 366 |
| 2011 | 18 | May 3, 2011 | 96% | 15.6 | 365 |
| 2010 | 19.2 | Apr 22, 2010 | 102% | 18.9 | 365 |
| 2009 | 19 | Apr 17, 2009 | 101% | 16.9 | 365 |
| 2008 | 26.5 | Apr 15, 2008 | 141% | 25.1 | 366 |
| 2007 | 16.5 | Apr 23, 2007 | 88% | 13.8 | 365 |
| 2006 | 14.1 | Apr 15, 2006 | 75% | 12.8 | 365 |
| 2005 | 36.1 | Apr 12, 2005 | 192% | 34.8 | 365 |
| 2004 | 22.9 | May 1, 2004 | 122% | 16.7 | 366 |
| 2003 | 13.2 | Apr 23, 2003 | 70% | 12.2 | 365 |
| 2002 | 5.8 | Apr 12, 2002 | 31% | 5.6 | 365 |
| 2001 | 26.1 | Apr 22, 2001 | 139% | 22.6 | 365 |
| 2000 | 15.6 | Apr 15, 2000 | 83% | 15.2 | 366 |
| 1999 | 22.5 | May 3, 1999 | 120% | 15.9 | 365 |
| 1998 | 18.5 | Apr 20, 1998 | 98% | 16.8 | 365 |
| 1997 | 27.6 | May 4, 1997 | 147% | 25 | 365 |
| 1996 | 12.8 | Apr 18, 1996 | 68% | 11.8 | 366 |
| 1995 | 32.2 | May 8, 1995 | 171% | 26 | 365 |
| 1994 | 18.4 | Apr 30, 1994 | 98% | 14.1 | 365 |
| 1993 | 30.9 | Apr 20, 1993 | 164% | 28.3 | 365 |
| 1992 | 21.2 | Apr 1, 1992 | 113% | 21.2 | 366 |
| 1991 | 17.8 | Apr 30, 1991 | 95% | 16.3 | 365 |
| 1990 | 17.9 | May 2, 1990 | 95% | 11 | 365 |
| 1989 | 17.7 | Apr 5, 1989 | 94% | 17.3 | 365 |
| 1988 | 17.5 | Apr 28, 1988 | 93% | 13.7 | 366 |
| 1987 | 34.9 | Apr 15, 1987 | 186% | 31.4 | 365 |
Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 797:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 37.4765, -107.6335. Other stations in the San Juan basin are listed on the basin page.