Upper Colorado snowpack › Dolores-San Miguel › Black Mesa

Black Mesa snowpack

NRCS SNOTEL station 1185 at 11,580 ft in Dolores County, Colorado, in the Dolores-San Miguel basin, with daily records since Aug 23, 2012. Latest reading Oct 29, 2026.

Snow water equivalent
—
of the 1991–2020 median for this date · — of average
SWE today
2.4 in
median — in · average — in
Water-year precipitation
—
of average since Oct 1 · 7.9 in vs. — in
Toward the normal peak
—
of the average peak, — in around Oct 1

This water year against the normals

Water year 2027Water year 2026
0 5 10 15 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Oct 1
Daily snow water equivalent at Black Mesa, in inches, October through September, against the station's 1991–2020 median and average.

Water-year precipitation

Water year 2027Water year 2026
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 2013 this station's snowpack has peaked as high as 41.5 in (May 29, 2019) and as low as 12.7 in (Apr 21, 2018). The 1991–2020 average peak is — in around Oct 1.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 15 May 7, 2026 — 13.4 365
2025 18.1 Apr 4, 2025 — 17.6 365
2024 20.7 May 14, 2024 — 18.9 366
2023 38 Apr 29, 2023 — 35 365
2022 24.2 Apr 26, 2022 — 22.7 365
2021 18.2 Apr 27, 2021 — 17.3 365
2020 20.6 Apr 25, 2020 — 18.4 366
2019 41.5 May 29, 2019 — 32.3 365
2018 12.7 Apr 21, 2018 — 11.7 365
2017 36 May 10, 2017 — 32.2 365
2016 30.1 May 18, 2016 — 23 366
2015 26.8 May 26, 2015 — 17 365
2014 23.7 May 12, 2014 — 20.2 365
2013 19.6 Apr 20, 2013 — 17.9 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 1185:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 37.7897, -108.1838. Other stations in the Dolores-San Miguel basin are listed on the basin page.