Skip to content
WeatherTotals

Promontory SNOTEL

No snow sat on the pillow at Promontory at the start of October 4, 2026. The NRCS median first snow is November 29, and the median peak is 12.6 in around March 6.

as of

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

Last 8 days

Start-of-day readings for Promontory, last 8 days.
DateSWEMedianPercentDepthPrecip since Oct 1
Oct 40.0 inches0.0 inches0 inches0.1 inches
Oct 30.0 inches0.0 inches0.1 inches
Oct 20.0 inches0.0 inches0 inches0.1 inches
Oct 10.0 inches0.0 inches0 inches0.0 inches
Sep 300.0 inches0.0 inches0 inches36.0 inches
Sep 290.0 inches0.0 inches0 inches34.2 inches
Sep 280.0 inches0.0 inches0 inches33.5 inches
Sep 270.0 inches0.0 inches0 inches33.5 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 Promontory

Record values for Promontory, from daily snowpack history.
Highest SWE on record29.9 inches, March 11, 2010
Deepest snow on record82 inches, March 11, 2010
Biggest season peak29.9 in, 2009-10 season, on March 11, 2010
Smallest season peak2.1 in, 2025-26 season, on February 22, 2026
Last season's peak2.1 in, 2025-26 season, on February 22, 2026

44 complete water years in the record, daily SWE since October 1, 1980

Station details

Elevation7,930 ft
CountyCoconino
Position34.3685, -111.0109
Record startsOctober 1, 1979
Median peak SWE12.6 in around March 6
Median first snowNovember 29
Median melt-outApril 7
NRCS station ID705:AZ:SNTL

Nearby SNOTEL stations