HydroStatus

Upper Colorado snowpack › Dolores-San Miguel

Dolores-San Miguel basin snowpack

10 SNOTEL stations in the Upper Colorado-Dolores subregion of the Upper Colorado River Basin. As of Oct 29, 2026, day 29 of water year 2027.

Snow water equivalent
175%
of the 1991–2020 median for this date · 26% of average
Basin-average SWE
0.12 in
median 0.07 in · average 0.45 in
Water-year precipitation
311%
of average since Oct 1 · 7.66 in vs. 2.46 in
Toward the normal peak
1%
of the average peak, 14.23 in around Mar 29
Stations reporting
10 of 10
average elevation 10,132 ft

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 5 10 15 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Mar 29
Basin-average snow water equivalent in inches for every station reporting each day (10 stations this year), against the 1991–2020 median and average of the same stations.

Every station in the basin

StationElev (ft)SWEMedian% med Avg% avgPrecip% avgNormal peakAs of
Alta Lakes CO 11,290 2.7 — — — — 7.2 — — · Oct 1 2026-10-29
Black Mesa CO 11,580 2.4 — — — — 7.9 — — · Oct 1 2026-10-29
El Diente Peak CO 10,210 0 0 — 0.4 0% 7.2 313% 13.9 · Mar 28 2026-10-29
Gold Basin UT 10,070 1.2 — — — — 10.4 — — · Oct 1 2026-10-29
Lasal Mountain UT 9,580 0 0 — 0.3 0% 8.8 314% 11.7 · Mar 13 2026-10-29
Lasal Mountain-Lower UT 8,780 0 — — — — 7.6 — — · Oct 1 2026-10-29
Lizard Head Pass CO 10,190 0.5 0.2 250% 0.6 83% 7.1 296% 14.9 · Mar 29 2026-10-29
Lone Cone CO 9,730 0 0.2 0% 0.5 0% 8.4 336% 15.8 · Mar 12 2026-10-29
Scotch Creek CO 9,160 0.1 0 — 0.2 50% 6.8 296% 11.7 · Mar 12 2026-10-29
Sharkstooth CO 10,730 0.1 0 — 0.7 14% — — 19.7 · Apr 3 2026-10-29

Snow water equivalent and precipitation in inches. Greyed rows have not reported in the last 3 days and are left out of the basin figures. A dash means the normal for this date is zero.

Snow water equivalent, percent of 1991–2020 median: under 50%50–90%90–110%110–150%over 150% median is zero today not reporting

Water-year precipitation

Water year 2027Water year 20261991–2020 average
0 10 20 30 OctNovDecJanFebMarAprMayJunJulAugSep
Basin-average precipitation accumulated since October 1, in inches, against the 1991–2020 average.

Peak snowpack by water year

Since 1981 the Dolores-San Miguel basin-average snowpack has peaked as high as 28.11 in (Apr 6, 2023) and as low as 0 in (Sep 29, 1981). The 1991–2020 average peak is 14.23 in around Mar 29.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Stations
2027 (to date) 1.02 Oct 14 7% — 10
2026 8.63 Feb 23 61% 4.05 10
2025 11.52 Mar 22 81% 9.88 10
2024 16.02 Mar 31 113% 16 9
2023 28.11 Apr 6 198% 27.62 9
2022 14.73 Mar 22 104% 14.12 9
2021 12.72 Mar 26 89% 12.06 9
2020 14.49 Mar 30 102% 14.17 8
2019 23.46 Apr 3 165% 23.38 8
2018 8.6 Mar 23 60% 7.61 8
2017 20.52 Mar 9 144% 18.68 8
2016 14.5 Mar 31 102% 14.5 8
2015 11.15 Mar 13 78% 6.88 8
2014 12.41 Mar 27 87% 11.71 8
2013 12.32 Mar 11 87% 10.66 8
2012 11.8 Mar 7 83% 6 8
2011 14.17 Mar 28 100% 13.13 6
2010 18.25 Apr 5 128% 17.98 6
2009 16.6 Apr 5 117% 15.57 6
2008 21.05 Apr 12 148% 20.4 6
2007 10.93 Mar 10 77% 8.8 6
2006 13.98 Apr 6 98% 13 6
2005 20.88 Apr 5 147% 20.7 6
2004 13.2 Mar 6 93% 7.84 5
2003 12.16 Mar 30 86% 11.62 5
2002 7.88 Mar 20 55% 4.32 5
2001 13.16 Mar 19 93% 11.7 5
2000 14.86 Apr 2 104% 14.78 5
1999 9.04 Feb 24 64% 4.42 5
1998 15.08 Apr 18 106% 13.66 5
1997 20.48 Mar 12 144% 18.54 5
1996 12.96 Mar 31 91% 12.76 5
1995 19.36 Apr 2 136% 19.32 5
1994 11.7 Apr 11 82% 10.68 5
1993 24.48 Apr 7 172% 23.4 5
1992 15.52 Apr 1 109% 15.52 5
1991 16.1 Apr 1 113% 16.1 5
1990 7.68 Mar 16 54% 6.9 5
1989 15.4 Mar 6 108% 12.06 5
1988 11.48 Mar 20 81% 9.5 5
1987 19.06 Apr 13 134% 18.2 5
1986 17.7 Mar 19 124% 16.5 5
1985 18.7 Mar 31 131% 18.63 3
1984 17.67 Mar 22 124% 16.23 3
1983 23.53 Apr 21 165% 21.13 3
1982 20.67 Apr 2 145% 20.63 3
1981 0 Sep 29 0% — 3

Peak of the basin-average daily SWE over the stations with data that year; the station count shows how the set has grown. Data: NRCS AWDB, nightly; current-year values are provisional. Other basins: Colorado Headwaters · Duchesne-Lower Green · Upper Green · San Juan · Yampa-White · Gunnison · Dirty Devil-Fremont.