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Scheduled Maintenance Notice
USGS will be performing maintenance on the time series data processing system beginning at 09:00 EDT on September 10, 2026. During this period, delivery of the latest time series data will be delayed. The maintenance is expected to finish within 2 hours, after which all backlogged time series data will be processed and delivered to WDFN web portals and APIs.

This station is operated seasonally (April 1 - October 31).

Available data

Select data types to graph from categories based on the way the data were collected.

2 data types available - data from 1989-10-01 to 2026-09-09

1 data types available - data from 1928-09-01 to 2026-09-07

2 data types available - data from 1967-06-05 to 2026-08-04

100 Observed properties (data types) available - with data from 1982-11-08 to 2013-09-03

194 Sampling activities

2 data types available - with data from 1929-06-05 to 2025-07-30

1 data types available - data from 1928-09-01 to 2026-09-07

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	06127500	n/a
Location name	Musselshell River at Musselshell MT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	46.522425	n/a
Decimal longitude (WGS84)	-108.108872222222	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	Montana	30
State	Montana	30
County	Musselshell County	065
Country	United States of America	n/a
Altitude of gage/land surface	2984.72 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.01 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Middle Musselshell	10040202
Drainage basin		n/a
Date of first construction		n/a
Drainage area	4534 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	MST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a