Upper Colorado snowpack › San Juan › Columbus Basin

Columbus Basin snowpack

NRCS SNOTEL station 904 at 10,780 ft in La Plata County, Colorado, in the San Juan basin, with daily records since Sep 22, 1994. Latest reading Oct 29, 2026.

Snow water equivalent
146%
of the 1991–2020 median for this date · 76% of average
SWE today
1.6 in
median 1.1 in · average 2.1 in
Water-year precipitation
258%
of average since Oct 1 · 10.3 in vs. 4 in
Toward the normal peak
6%
of the average peak, 25.5 in around Apr 8

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 10 20 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Apr 8
Daily snow water equivalent at Columbus Basin, 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 10 20 30 40 OctNovDecJanFebMarAprMayJunJulAugSep
Precipitation accumulated since October 1, in inches (rain and snow together), against the 1991–2020 average.

Peak snowpack by water year

Since 1995 this station's snowpack has peaked as high as 44.2 in (Apr 7, 2005) and as low as 10.8 in (Mar 29, 2002). The 1991–2020 average peak is 25.5 in around Apr 8.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 11.7 Feb 23, 2026 46% 10.5 365
2025 17.5 Apr 7, 2025 69% 16 365
2024 23.8 Apr 11, 2024 93% 23 366
2023 37.2 Apr 10, 2023 146% 36.5 365
2022 20.8 Mar 29, 2022 82% 20.4 365
2021 16.2 Mar 28, 2021 64% 16.1 365
2020 24.3 Mar 29, 2020 95% 24.3 366
2019 43.7 Apr 18, 2019 171% 41.7 365
2018 11.2 Apr 8, 2018 44% 10.7 365
2017 36.6 Apr 13, 2017 144% 34.9 365
2016 23.6 May 2, 2016 93% 20.6 366
2015 18.5 May 25, 2015 73% 15.8 365
2014 20.1 Apr 7, 2014 79% 19.5 365
2013 17.9 Apr 14, 2013 70% 17.2 365
2012 23.6 Mar 22, 2012 93% 23 366
2011 26.6 Apr 26, 2011 104% 24.2 365
2010 25.7 Apr 6, 2010 101% 25.2 365
2009 27.2 Apr 17, 2009 107% 24.1 365
2008 35.3 Apr 14, 2008 138% 33.2 366
2007 21.8 Apr 25, 2007 85% 19.8 365
2006 21.2 Apr 6, 2006 83% 19.1 365
2005 44.2 Apr 7, 2005 173% 42.4 365
2004 29.4 Apr 25, 2004 115% 22.2 366
2003 22.1 Mar 31, 2003 87% 21.8 365
2002 10.8 Mar 29, 2002 42% 10.2 365
2001 33.1 Apr 17, 2001 130% 29.7 365
2000 22.6 Apr 5, 2000 89% 20.5 366
1999 26 May 3, 1999 102% 18.1 365
1998 27.8 Apr 29, 1998 109% 24.6 365
1997 35.3 Apr 13, 1997 138% 33.7 365
1996 26.1 Apr 20, 1996 102% 24.2 366
1995 43.3 May 6, 1995 170% 38.4 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 904:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 37.4415, -108.0247. Other stations in the San Juan basin are listed on the basin page.