Upper Colorado snowpack › San Juan › Molas Lake
Molas Lake snowpack
NRCS SNOTEL station 632 at 10,610 ft in San Juan County, Colorado, in the San Juan basin, with daily records since Aug 6, 1986. Latest reading Oct 29, 2026.
Snow water equivalent
283%
of the 1991–2020 median for this date · 189% of average
SWE today
1.7 in
median 0.6 in · average 0.9 in
Water-year precipitation
341%
of average since Oct 1 · 9.2 in vs. 2.7 in
Toward the normal peak
9%
of the average peak, 19.6 in around Apr 5
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 37 in (May 13, 1995) and as low as 8 in (Feb 23, 2026). The 1991–2020 average peak is 19.6 in around Apr 5.
| Water year | Peak SWE (in) | Peak date | % of normal peak | April 1 SWE (in) | Days of data |
|---|---|---|---|---|---|
| 2026 | 8 | Feb 23, 2026 | 41% | 2.1 | 365 |
| 2025 | 14.3 | Apr 7, 2025 | 73% | 13.1 | 365 |
| 2024 | 16.4 | Apr 10, 2024 | 84% | 14.8 | 366 |
| 2023 | 28.2 | Apr 2, 2023 | 144% | 28.1 | 365 |
| 2022 | 18.6 | Mar 31, 2022 | 95% | 18.5 | 365 |
| 2021 | 14.9 | Mar 28, 2021 | 76% | 14.8 | 365 |
| 2020 | 17.5 | Mar 31, 2020 | 89% | 17.5 | 366 |
| 2019 | 28.1 | Apr 4, 2019 | 143% | 27.6 | 365 |
| 2018 | 11.1 | Mar 23, 2018 | 57% | 10.9 | 365 |
| 2017 | 25.5 | Mar 5, 2017 | 130% | 24.7 | 365 |
| 2016 | 15 | Feb 21, 2016 | 77% | 14.4 | 366 |
| 2015 | 13.6 | Mar 12, 2015 | 69% | 13 | 365 |
| 2014 | 23.3 | Apr 7, 2014 | 119% | 22.4 | 365 |
| 2013 | 13.8 | Apr 19, 2013 | 70% | 12.5 | 365 |
| 2012 | 14 | Mar 21, 2012 | 71% | 9.6 | 366 |
| 2011 | 22 | Apr 16, 2011 | 112% | 20.3 | 365 |
| 2010 | 18.5 | Apr 6, 2010 | 94% | 17.4 | 365 |
| 2009 | 27.2 | Apr 18, 2009 | 139% | 22.7 | 365 |
| 2008 | 30.3 | Apr 12, 2008 | 155% | 27.6 | 366 |
| 2007 | 14.3 | Apr 15, 2007 | 73% | 12.6 | 365 |
| 2006 | 19.9 | Apr 7, 2006 | 102% | 18.3 | 365 |
| 2005 | 28.1 | Mar 30, 2005 | 143% | 27.9 | 365 |
| 2004 | 21 | Apr 26, 2004 | 107% | 18.2 | 366 |
| 2003 | 15.9 | Apr 8, 2003 | 81% | 15.4 | 365 |
| 2002 | 10.9 | Mar 27, 2002 | 56% | 8.2 | 365 |
| 2001 | 22.2 | Apr 22, 2001 | 113% | 18.5 | 365 |
| 2000 | 19.5 | Apr 4, 2000 | 99% | 17.6 | 366 |
| 1999 | 25.8 | May 5, 1999 | 132% | 19 | 365 |
| 1998 | 22.3 | Apr 26, 1998 | 114% | 17.9 | 365 |
| 1997 | 29.7 | Apr 10, 1997 | 152% | 25.9 | 365 |
| 1996 | 22.4 | Apr 23, 1996 | 114% | 19.2 | 366 |
| 1995 | 37 | May 13, 1995 | 189% | 30.5 | 365 |
| 1994 | 22 | May 1, 1994 | 112% | 18.4 | 365 |
| 1993 | 32.4 | Apr 8, 1993 | 165% | 30.7 | 365 |
| 1992 | 13.9 | Mar 31, 1992 | 71% | 13.9 | 366 |
| 1991 | 24.3 | Apr 1, 1991 | 124% | 24.3 | 365 |
| 1990 | 16.1 | May 2, 1990 | 82% | 12.8 | 365 |
| 1989 | 26.2 | Apr 5, 1989 | 134% | 25.6 | 365 |
| 1988 | 16.1 | Mar 25, 1988 | 82% | 16.1 | 366 |
| 1987 | 24.3 | Apr 13, 1987 | 124% | 21.3 | 365 |
Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 632:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 37.7493, -107.6893. Other stations in the San Juan basin are listed on the basin page.