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South Pass SNOTEL

South Pass recorded 0.1 in of snow water equivalent at the start of October 4, 2026 and 0 in of snow on the ground.

as of

All values are from the start of the day, midnight Pacific Standard Time

Last 8 days

Start-of-day readings for South Pass, last 8 days.
DateSWEMedianPercentDepthPrecip since Oct 1
Oct 40.1 inches0.0 inches0 inches0.0 inches
Oct 30.2 inches0.0 inches0 inches0.0 inches
Oct 20.1 inches0.0 inches0 inches0.0 inches
Oct 10.2 inches0.0 inches0 inches0.0 inches
Sep 300.0 inches0.0 inches0 inches25.2 inches
Sep 290.0 inches0.0 inches0 inches25.2 inches
Sep 280.0 inches0.0 inches0 inches24.6 inches
Sep 270.0 inches0.0 inches0 inches24.6 inches

The Natural Resources Conservation Service (USDA) created the figures on this page, which are works of the US government and therefore have no copyright under 17 U.S.C. 105. The notice that 17 U.S.C. 403 requires appears in this sentence. Neither NRCS nor USDA endorses or is affiliated with WeatherTotals. See: Data sources and attribution.

Records at South Pass

Record values for South Pass, from daily snowpack history.
Highest SWE on record39.9 inches, May 11, 1986
Deepest snow on record104 inches, April 29, 2017
Biggest season peak39.9 in, 1985-86 season, on May 11, 1986
Smallest season peak11.0 in, 2014-15 season, on April 18, 2015
Last season's peak12.2 in, 2025-26 season, on March 16, 2026

41 complete water years in the record, daily SWE since September 10, 1985

Station details

Elevation9,040 ft
CountyFremont
Position42.5731, -108.8432
Record startsOctober 1, 1984
Median peak SWE16.6 in around April 22
Median first snowOctober 21
Median melt-outJune 1
NRCS station ID775:WY:SNTL

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