SEASON RELATIVE

Wetter than 53% of 34 past seasons since 1991 at this station. This season’s winter precipitation is 20.8 in water, above a typical 20.5 in water.

Official gauges only (NOAA GHCN-Daily snowfall and NRCS SNOTEL winter precipitation). Not resort marketing, not OpenSnow, not OnTheSnow. This page uses the NRCS SNOTEL station 846:CA:SNTL.

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Sierra · CA · 2025-26

Mammoth Mountain

53
Average
This season at the gauge
20.8 in water
Median
20.5 in water
Record
46.4 in water · 2022-23
Sample
34 past seasons

Cumulative winter precipitation

Ghost lines are past seasons. Dashed is the median. Band is the 10th–90th percentile envelope. X-axis is day of season, not calendar year.

012233546NovDecJanFebMarAprApr 30

Sliding the date recomputes the percentile against the same calendar date in past seasons — never a full year vs a partial year.

The station

NRCS SNOTEL at Virginia Lakes Ridge, ~36 km north. Mammoth Lakes COOP snowfall ends 2022 and there is no current on-mountain SNOTEL with PREC — this is an east-Sierra high-elevation proxy, not the Mammoth summit stake. Shared with June Mountain.

ID 846:CA:SNTL
Network NRCS SNOTEL
Elevation 9,400 ft
Metric winter precipitation (in)