Dismal Swamp SNOTEL

Dismal Swamp recorded 0.1 in of snow water equivalent at the start of October 4, 2026 and 1 in of snow on the ground.

as of 5:40 AM PDT, October 4, 2026

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

Last 8 days

Start-of-day readings for Dismal Swamp, last 8 days.
Date	SWE	Depth	Precip since Oct 1
Oct 4	0.1 inches	1 inches	0.1 inches
Oct 3	0.1 inches	0 inches	0.0 inches
Oct 2	0.0 inches	0 inches	0.0 inches
Oct 1	0.0 inches	0 inches	0.0 inches
Sep 30	0.0 inches	0 inches	38.2 inches
Sep 29	0.0 inches	0 inches	38.2 inches
Sep 28	0.0 inches	0 inches	38.2 inches
Sep 27	0.0 inches	0 inches	37.9 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 Dismal Swamp

Record values for Dismal Swamp, from daily snowpack history.
Highest SWE on record	50.9 inches, May 1, 2017
Deepest snow on record	126 inches, March 7, 2017
Biggest season peak	50.9 in, 2016-17 season, on May 1, 2017
Smallest season peak	13.3 in, 2025-26 season, on March 11, 2026
Last season's peak	13.3 in, 2025-26 season, on March 11, 2026

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

Station details

Elevation	7,370 ft
County	Modoc
Position	41.9913, -120.1803
Record starts	October 1, 1979
Median peak SWE	31.7 in around April 12
Median first snow	November 8
Median melt-out	June 6
NRCS station ID	446:CA:SNTL

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