Upper Colorado snowpack › Upper Green

Upper Green basin snowpack

21 SNOTEL stations in the Great Divide-Upper Green subregion of the Upper Colorado River Basin. As of Oct 29, 2026, day 29 of water year 2027.

Snow water equivalent
28%
of the 1991–2020 median for this date · 21% of average
Basin-average SWE
0.15 in
median 0.54 in · average 0.73 in
Water-year precipitation
136%
of average since Oct 1 · 2.66 in vs. 1.95 in
Toward the normal peak
1%
of the average peak, 14.83 in around Apr 8
Stations reporting
20 of 21
average elevation 8,948 ft

This water year against the normals

Water year 2027Water year 20261991–2020 median1991–2020 average
0 5 10 15 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Apr 8
Basin-average snow water equivalent in inches for every station reporting each day (20 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
Big Sandy Opening WY 9,100 0.7 1.2 58% 1.2 58% 3.4 189% 13.6 · Apr 8 2026-10-29
Blacks Fork Jct UT 8,880 0 0 — 0.1 0% 1.5 94% 8.2 · Apr 2 2026-10-29
Blind Bull Sum WY 8,880 0 1.2 0% 1.4 0% 2 100% 27.1 · Apr 20 2026-10-29
Buck Pasture UT 9,630 0 — — — — 3.4 — — · Oct 1 2026-10-29
EF Blacks Fork GS UT 9,360 0 0 — 0.3 0% 1.9 100% 12 · Apr 1 2026-10-29
Elkhart Park G.S. WY 9,410 0.4 0.8 50% 0.9 44% 0.2 11% 12.9 · Apr 15 2026-10-29
Hams Fork WY 7,860 0 0 — 0.3 0% 2.5 167% 11.2 · Mar 29 2026-10-29
Hewinta UT 9,510 0 0 — 0.2 0% 1.7 85% 10.3 · Mar 30 2026-10-29
Hickerson Park UT 9,120 0 0 — 0.5 0% 2.3 121% 7.3 · Apr 2 2026-10-29
Hole-in-Rock UT 9,170 0 0 — 0.4 0% 2.6 130% 6.9 · Mar 27 2026-10-29
Indian Creek WY 9,400 0.6 1.4 43% 1.6 38% 2.8 122% 26.2 · Apr 18 2026-10-29
Kelley R.S. WY 8,240 0.3 0.4 75% 0.7 43% 2.5 125% 15.5 · Apr 2 2026-10-29
Kendall R.S. WY 7,790 0.1 0.2 50% 0.3 33% 3.2 200% 12.6 · Mar 26 2026-10-29
Loomis Park WY 8,240 0.1 0.4 25% 0.6 17% 3.6 200% 16 · Mar 30 2026-10-29
New Fork Lake WY 8,380 0 0.3 0% 0.4 0% 2.5 192% 10.6 · Mar 29 2026-10-29
Pocket Creek WY 9,370 0 — — — — — — — · Oct 1 2026-09-30
Snider Basin WY 8,080 0 0.2 0% 0.4 0% 2.9 193% 13.7 · Apr 2 2026-10-29
Spirit Lk UT 10,240 0 0.9 0% 0.8 0% 6.7 239% 13.2 · Apr 17 2026-10-29
Spring Creek Divide WY 9,020 0.4 1.2 33% 1.3 31% 3.1 129% 27.6 · Apr 25 2026-10-29
Steel Creek Park UT 10,140 0 1 0% 1.2 0% 2.5 109% 17.6 · May 2 2026-10-29
Triple Peak WY 8,520 0.3 1 30% 1.2 25% 2.6 104% 24.3 · Apr 8 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 OctNovDecJanFebMarAprMayJunJulAugSep
Basin-average precipitation accumulated since October 1, in inches, against the 1991–2020 average.

Peak snowpack by water year

Since 1981 the Upper Green basin-average snowpack has peaked as high as 30.26 in (Apr 22, 1982) and as low as 10.26 in (Mar 27, 1992). The 1991–2020 average peak is 14.83 in around Apr 8.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Stations
2027 (to date) 0.19 Oct 14 1% — 20
2026 11.4 Mar 16 77% 6.75 21
2025 15.07 Apr 5 102% 14.89 21
2024 14.91 Apr 2 101% 14.87 20
2023 18.84 Apr 7 127% 17.36 21
2022 11.79 Apr 17 80% 10.07 21
2021 12.86 Mar 31 87% 12.85 21
2020 16.26 Apr 17 110% 15.69 20
2019 15.53 Apr 16 105% 14.18 21
2018 15.09 Apr 8 102% 14.29 21
2017 21.62 Apr 10 146% 21.05 21
2016 14.54 Mar 31 98% 14.51 21
2015 11.29 Mar 12 76% 9.84 21
2014 19.5 Apr 7 132% 19.04 21
2013 13.72 Apr 23 93% 11.08 21
2012 13.08 Mar 22 88% 12 21
2011 23.57 May 1 159% 19.3 20
2010 12.04 Apr 13 81% 10.37 18
2009 17.56 Apr 16 118% 15.08 18
2008 16.98 Apr 12 115% 16.2 16
2007 11.9 Apr 3 80% 11.78 16
2006 19 Apr 6 128% 18.58 16
2005 15.38 Apr 1 104% 15.38 16
2004 12.93 Mar 14 87% 11.46 16
2003 15.38 Apr 7 104% 15.03 16
2002 12.76 Mar 26 86% 12.56 16
2001 12.96 Apr 15 87% 10.93 16
2000 14.96 Apr 3 101% 14.91 16
1999 19.31 May 4 130% 17.84 16
1998 17.14 Apr 18 116% 15.43 16
1997 23.87 Apr 14 161% 22.8 16
1996 21.28 Apr 5 144% 21.21 16
1995 16.03 May 3 108% 15.22 16
1994 12.72 Apr 11 86% 11.89 16
1993 18.03 Apr 20 122% 15.81 16
1992 10.26 Mar 27 69% 10.18 16
1991 13.59 May 4 92% 12.51 16
1990 12.89 Mar 30 87% 12.8 16
1989 17.62 Apr 5 119% 16.85 16
1988 13.83 Apr 4 93% 13.65 16
1987 12.64 Mar 30 85% 12.59 16
1986 24.47 Apr 30 165% 23.21 16
1985 15.88 Apr 4 107% 15.73 16
1984 22.38 May 7 151% 18.38 9
1983 24.16 May 19 163% 18.49 9
1982 30.26 Apr 22 204% 27.96 9
1981 11.86 Apr 10 80% 10.86 9

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 · San Juan · Yampa-White · Gunnison · Dolores-San Miguel · Dirty Devil-Fremont.