Upper Colorado snowpack › Colorado Headwaters › Bison Lake
Bison Lake snowpack
NRCS SNOTEL station 345 at 10,950 ft in Garfield County, Colorado, in the Colorado Headwaters basin, with daily records since Sep 30, 1985. Latest reading Oct 29, 2026.
Snow water equivalent
117%
of the 1991–2020 median for this date · 124% of average
SWE today
2.1 in
median 1.8 in · average 1.7 in
Water-year precipitation
207%
of average since Oct 1 · 6.4 in vs. 3.1 in
Toward the normal peak
8%
of the average peak, 27 in around Apr 26
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 1986 this station's snowpack has peaked as high as 50.4 in (May 19, 1986) and as low as 12.7 in (Mar 19, 2026). The 1991–2020 average peak is 27 in around Apr 26.
| Water year | Peak SWE (in) | Peak date | % of normal peak | April 1 SWE (in) | Days of data |
|---|---|---|---|---|---|
| 2026 | 12.7 | Mar 19, 2026 | 47% | 10.2 | 365 |
| 2025 | 19.8 | Apr 9, 2025 | 73% | 19 | 365 |
| 2024 | 25.7 | May 7, 2024 | 95% | 22.6 | 366 |
| 2023 | 43.9 | Apr 11, 2023 | 163% | 40.9 | 365 |
| 2022 | 23.6 | Apr 14, 2022 | 87% | 21.7 | 365 |
| 2021 | 21 | Mar 29, 2021 | 78% | 20.9 | 365 |
| 2020 | 23.1 | Apr 23, 2020 | 86% | 21.5 | 366 |
| 2019 | 34.9 | May 25, 2019 | 129% | 32.1 | 365 |
| 2018 | 21.6 | Apr 20, 2018 | 80% | 19 | 365 |
| 2017 | 29.9 | Apr 28, 2017 | 111% | 29.2 | 365 |
| 2016 | 25.8 | May 10, 2016 | 96% | 20.9 | 366 |
| 2015 | 20.5 | May 25, 2015 | 76% | 16.5 | 365 |
| 2014 | 25.7 | Apr 17, 2014 | 95% | 24.4 | 365 |
| 2013 | 22.7 | Apr 23, 2013 | 84% | 18 | 365 |
| 2012 | 19.4 | Mar 19, 2012 | 72% | 18.7 | 366 |
| 2011 | 46 | May 25, 2011 | 170% | 35.4 | 365 |
| 2010 | 26.1 | Apr 8, 2010 | 97% | 23.1 | 365 |
| 2009 | 31.4 | Apr 27, 2009 | 116% | 29.4 | 365 |
| 2008 | 34.4 | May 14, 2008 | 127% | 31.6 | 366 |
| 2007 | 23 | Apr 27, 2007 | 85% | 20.8 | 365 |
| 2006 | 32.9 | Apr 19, 2006 | 122% | 30.4 | 365 |
| 2005 | 32.3 | May 13, 2005 | 120% | 30.6 | 365 |
| 2004 | 26 | Apr 24, 2004 | 96% | 22.5 | 366 |
| 2003 | 27.7 | May 9, 2003 | 103% | 22.1 | 365 |
| 2002 | 16.6 | Mar 28, 2002 | 61% | 16.2 | 365 |
| 2001 | 25.9 | Apr 22, 2001 | 96% | 21 | 365 |
| 2000 | 23.5 | Apr 24, 2000 | 87% | 22.6 | 366 |
| 1999 | 28.9 | May 14, 1999 | 107% | 19.8 | 365 |
| 1998 | 29.7 | Apr 26, 1998 | 110% | 25.4 | 365 |
| 1997 | 37.5 | May 2, 1997 | 139% | 32.1 | 365 |
| 1996 | 35.2 | Apr 27, 1996 | 130% | 31.2 | 366 |
| 1995 | 36.3 | May 20, 1995 | 134% | 27.5 | 365 |
| 1994 | 24.6 | May 1, 1994 | 91% | 21.4 | 365 |
| 1993 | 39.8 | May 7, 1993 | 147% | 34.3 | 365 |
| 1992 | 20.2 | Apr 22, 1992 | 75% | 18.8 | 366 |
| 1991 | 35.9 | May 8, 1991 | 133% | 29.4 | 365 |
| 1990 | 25 | May 16, 1990 | 93% | 20.1 | 365 |
| 1989 | 30.5 | Apr 4, 1989 | 113% | 28.7 | 365 |
| 1988 | 29.6 | May 9, 1988 | 110% | 22.1 | 366 |
| 1987 | 26.6 | Apr 23, 1987 | 99% | 23.6 | 365 |
| 1986 | 50.4 | May 19, 1986 | 187% | 44 | 365 |
Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 345:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 39.7646, -107.3563. Other stations in the Colorado Headwaters basin are listed on the basin page.