HydroStatus

Upper Colorado snowpack › Dolores-San Miguel › Alta Lakes

Alta Lakes snowpack

NRCS SNOTEL station 1344 at 11,290 ft in San Miguel County, Colorado, in the Dolores-San Miguel basin, with daily records since Sep 25, 2025. Latest reading Oct 29, 2026.

Snow water equivalent
—
of the 1991–2020 median for this date · — of average
SWE today
2.7 in
median — in · average — in
Water-year precipitation
—
of average since Oct 1 · 7.2 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 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Oct 1
Daily snow water equivalent at Alta Lakes, 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 OctNovDecJanFebMarAprMayJunJulAugSep
Precipitation accumulated since October 1, in inches (rain and snow together), against the 1991–2020 average.

Peak snowpack by water year

Since 2026 this station's snowpack has peaked as high as 12.2 in (May 4, 2026) and as low as 12.2 in (May 4, 2026). 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 12.2 May 4, 2026 — 11.4 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 1344:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 37.8893, -107.8448. Other stations in the Dolores-San Miguel basin are listed on the basin page.