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Sonora Pass SNOTEL

No snow sat on the pillow at Sonora Pass at the start of October 4, 2026. The NRCS median first snow is November 8, and the median peak is 23.4 in around April 17.

as of

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

Last 8 days

Start-of-day readings for Sonora Pass, last 8 days.
DateSWEMedianPercentDepthPrecip since Oct 1
Oct 40.0 inches0.0 inches0 inches0.0 inches
Oct 30.0 inches0.0 inches0 inches0.0 inches
Oct 20.0 inches0.0 inches0 inches0.0 inches
Oct 10.0 inches0.0 inches0 inches0.0 inches
Sep 300.0 inches0.0 inches0 inches32.5 inches
Sep 290.0 inches0.0 inches0 inches32.5 inches
Sep 280.0 inches0.0 inches0 inches32.4 inches
Sep 270.0 inches0.0 inches0 inches32.4 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 Sonora Pass

Record values for Sonora Pass, from daily snowpack history.
Highest SWE on record57.9 inches, April 4, 2023
Deepest snow on record161 inches, March 29, 2023
Biggest season peak57.9 in, 2022-23 season, on April 4, 2023
Smallest season peak8.2 in, 2014-15 season, on March 2, 2015
Last season's peak16.5 in, 2025-26 season, on February 20, 2026

48 complete water years in the record, daily SWE since October 1, 1978

Station details

Elevation8,770 ft
CountyMono
Position38.3102, -119.6003
Record startsOctober 1, 1978
Median peak SWE23.4 in around April 17
Median first snowNovember 8
Median melt-outMay 30
NRCS station ID771:CA:SNTL

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