Upper Colorado snowpack › San Juan › Mancos
Mancos snowpack
NRCS SNOTEL station 905 at 10,020 ft in Montezuma County, Colorado, in the San Juan basin, with daily records since Sep 30, 1994. 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 0.4 in
Water-year precipitation
258%
of average since Oct 1 · 6.2 in vs. 2.4 in
Toward the normal peak
0%
of the average peak, 15.3 in around Mar 12
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 1995 this station's snowpack has peaked as high as 28.1 in (Apr 6, 2005) and as low as 7.3 in (Mar 28, 2018). The 1991–2020 average peak is 15.3 in around Mar 12.
| Water year | Peak SWE (in) | Peak date | % of normal peak | April 1 SWE (in) | Days of data |
|---|---|---|---|---|---|
| 2026 | 8 | Feb 20, 2026 | 52% | 1.5 | 365 |
| 2025 | 9 | Mar 18, 2025 | 59% | 5.8 | 365 |
| 2024 | 15.2 | Mar 26, 2024 | 99% | 15.2 | 366 |
| 2023 | 24.9 | Apr 4, 2023 | 163% | 24.2 | 365 |
| 2022 | 13.5 | Mar 15, 2022 | 88% | 12.6 | 365 |
| 2021 | 11.1 | Mar 25, 2021 | 73% | 11.1 | 365 |
| 2020 | 14.9 | Mar 30, 2020 | 97% | 14.7 | 366 |
| 2019 | 25.8 | Mar 22, 2019 | 169% | 25.4 | 365 |
| 2018 | 7.3 | Mar 28, 2018 | 48% | 5.7 | 365 |
| 2017 | 24.9 | Mar 3, 2017 | 163% | 23.1 | 365 |
| 2016 | 16.4 | Feb 24, 2016 | 107% | 12.1 | 366 |
| 2015 | 9 | Mar 3, 2015 | 59% | 0.5 | 365 |
| 2014 | 10.2 | Mar 7, 2014 | 67% | 6.6 | 365 |
| 2013 | 13.9 | Mar 9, 2013 | 91% | 11.8 | 365 |
| 2012 | 14.7 | Mar 3, 2012 | 96% | 4.1 | 366 |
| 2011 | 16.9 | Mar 27, 2011 | 110% | 14.4 | 365 |
| 2010 | 22 | Apr 7, 2010 | 144% | 21.5 | 365 |
| 2009 | 16.6 | Feb 25, 2009 | 108% | 14.5 | 365 |
| 2008 | 24.9 | Mar 17, 2008 | 163% | 22.3 | 366 |
| 2007 | 10.7 | Mar 10, 2007 | 70% | 4.5 | 365 |
| 2006 | 12.5 | Apr 6, 2006 | 82% | 11.7 | 365 |
| 2005 | 28.1 | Apr 6, 2005 | 184% | 27.8 | 365 |
| 2004 | 16.2 | Mar 3, 2004 | 106% | 6.2 | 366 |
| 2003 | 16 | Mar 20, 2003 | 105% | 15.1 | 365 |
| 2002 | 7.9 | Mar 10, 2002 | 52% | 2.4 | 365 |
| 2001 | 18.9 | Apr 13, 2001 | 124% | 16.2 | 365 |
| 2000 | 17.7 | Apr 1, 2000 | 116% | 17.7 | 366 |
| 1999 | 11.2 | Feb 16, 1999 | 73% | 3 | 365 |
| 1998 | 18.8 | Apr 18, 1998 | 123% | 15.7 | 365 |
| 1997 | 22.6 | Mar 3, 1997 | 148% | 18.2 | 365 |
| 1996 | 13.6 | Mar 24, 1996 | 89% | 12.2 | 366 |
| 1995 | 23.4 | Apr 24, 1995 | 153% | 22.3 | 365 |
Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 905:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 37.4311, -108.1701. Other stations in the San Juan basin are listed on the basin page.