USGS Surface Water for USA: Streamflow Measurements

USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 12375800 Little Bitterroot River near Perma MT

Sanders County, Montana

Hydrologic Unit Code 17010212

Latitude 47°28'45", Longitude 114°27'17" NAD27

Gage datum 2,675 feet above NGVD29

**Output formats**
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format

Output formats

HTML table with channel data

HTML table without channel data

Tab-separated data with channel data

Tab-separated data without channel data

Graph of data

Reselect output format

Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	Gage Height (ft)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
31	1992-03-10 12:00	MST	Yes	JRF	USGS	19.4	94.88	0.00	0.50	Good	Clear	NONE
30	1991-12-05 14:55	MST	Yes	JRF	USGS	21.1	95.05	0.00	0.30	Fair	Clear	NONE
29	1991-08-20 12:30	MDT	Yes	JRF	USGS	25.3	95.33	0.00	0.50	Good	VegetationLight	NONE
28	1991-06-18 12:30	MDT	Yes	JRF	USGS	109	96.19	0.00	0.80	Good	Clear	NONE
27	1991-04-22 11:35	MDT	Yes	JRF	USGS	121	96.18	0.00	0.90	Excellent	Clear	NONE
26	1991-03-06 13:30	MST	Yes	jrf	USGS	91.2	96.04			Unspecified		NONE
25	1991-01-23 09:30	MST	Yes	JRF	USGS	33.1	95.43	0.00	0.60	Fair	IceCover	NONE
24	1990-11-21 13:00	MST	Yes	JRF	USGS	12.8	94.93	0.00	0.40	Fair	Clear	NONE
23	1990-09-05 14:10	MDT	Yes	JRF/LGS	USGS	12.2	94.97	0.00	0.40	Fair	VegetationLight	NONE
22	1990-07-24 14:00	MDT	Yes	JRF	USGS	9.49	94.81	0.00	0.40	Fair	Clear	NONE
21	1990-05-17 13:00	MDT	Yes	JRF	USGS	47.0	95.46	-0.01	0.50	Good	Clear	NONE
20	1990-04-04 13:45	MDT	Yes	JRF	USGS	44.6	95.62	0.00	1.00	Good	Clear	NONE
19	1990-01-09 09:15	MST	Yes	JRF	USGS	49.0	95.73	0.00	0.50	Fair	Clear	NONE
18	1989-11-16 14:45	MST	Yes	JRF	USGS	25.8	95.31	0.00	0.50	Good	Clear	NONE
17	1989-08-30 14:15	MDT	Yes	JRF	USGS	16.6	95.19	0.00	0.50	Fair	Clear	NONE
16	1989-07-18 14:10	MDT	Yes	JRF	USGS	9.57	94.87	0.00	0.40	Good	Clear	NONE
15	1989-06-07 14:00	MDT	Yes	JRF	USGS	2.72	94.54	0.00	0.40	Fair	Clear	NONE
14	1989-03-15 09:30	MST	Yes	JRF	USGS	515				Poor	Unspecifed	NONE
13	1989-01-19 10:00	MST	Yes	JRF	USGS	27.9	95.42	0.02	0.50	Good	Clear	NONE
12	1988-11-21 11:30	MST	Yes	JRF	USGS	11.4	94.97	0.00	0.40	Good	Clear	NONE
11	1988-08-15 10:53	MDT	Yes	JRF	USGS	0.37	94.32	0.01	0.10	Poor		NONE
10	1988-06-27 11:45	MDT	Yes	JRF	USGS	0.40	94.32	0.00	0.20	Poor		NONE
9	1988-05-25 10:00	MDT	Yes	JRF	USGS	3.52	94.67	0.01	0.30	Fair	Clear	NONE
8	1988-04-08 08:30	MDT	Yes	JRF	USGS	19.4	95.25	0.00	0.50	Good	Clear	NONE
7	1988-02-16 10:00	MST	Yes	JRF	USGS	53.6	95.87	0.01	0.50	Fair	Clear	NONE
6	1987-11-18 10:40	MST	Yes	JRF	USGS	6.84	94.97	0.01	0.50	Fair	IceShore	NONE
5	1987-08-31 15:00	MDT	Yes	JRF	USGS	10.0	95.12	0.00	0.50	Good	Clear	NONE
4	1987-07-14 08:30	MDT	Yes	JRF	USGS	13.1	95.15	0.00	0.50	Good	Clear	NONE
3	1987-06-16 11:30	MDT	Yes	JRF	USGS	19.8	95.36	0.00	0.60	Good	Clear	NONE
2	1987-04-29 15:00	MDT	Yes	JRF/RLC	USGS	42.1	95.72	0.00	0.60	Good	Clear	NONE
1	1987-01-09 10:40	MST	Yes	JRF/RLC	USGS	13.6	95.30	0.00	0.50	Fair	IceShore	NONE

Meas.
Number

Date Time

Time
Datum

Measurement
Used?

Who

Measuring
Agency

Stream
flow
(ft³/s)

Gage
Height
(ft)

GH
Change
(ft)

Meas.
Duration
(hr)

Meas.
Rated

Control

Flow
Adjust.
Code

1992-03-10 12:00

MST

Yes

JRF

USGS

19.4

94.88

0.00

0.50

Good

Clear

NONE

1991-12-05 14:55

MST

Yes

JRF

USGS

21.1

95.05

0.00

0.30

Fair

Clear

NONE

1991-08-20 12:30

MDT

Yes

JRF

USGS

25.3

95.33

0.00

0.50

Good

VegetationLight

NONE

1991-06-18 12:30

MDT

Yes

JRF

USGS

109

96.19

0.00

0.80

Good

Clear

NONE

1991-04-22 11:35

MDT

Yes

JRF

USGS

121

96.18

0.00

0.90

Excellent

Clear

NONE

1991-03-06 13:30

MST

Yes

jrf

USGS

91.2

96.04

Unspecified

NONE

1991-01-23 09:30

MST

Yes

JRF

USGS

33.1

95.43

0.00

0.60

Fair

IceCover

NONE

1990-11-21 13:00

MST

Yes

JRF

USGS

12.8

94.93

0.00

0.40

Fair

Clear

NONE

1990-09-05 14:10

MDT

Yes

JRF/LGS

USGS

12.2

94.97

0.00

0.40

Fair

VegetationLight

NONE

1990-07-24 14:00

MDT

Yes

JRF

USGS

9.49

94.81

0.00

0.40

Fair

Clear

NONE

1990-05-17 13:00

MDT

Yes

JRF

USGS

47.0

95.46

-0.01

0.50

Good

Clear

NONE

1990-04-04 13:45

MDT

Yes

JRF

USGS

44.6

95.62

0.00

1.00

Good

Clear

NONE

1990-01-09 09:15

MST

Yes

JRF

USGS

49.0

95.73

0.00

0.50

Fair

Clear

NONE

1989-11-16 14:45

MST

Yes

JRF

USGS

25.8

95.31

0.00

0.50

Good

Clear

NONE

1989-08-30 14:15

MDT

Yes

JRF

USGS

16.6

95.19

0.00

0.50

Fair

Clear

NONE

1989-07-18 14:10

MDT

Yes

JRF

USGS

9.57

94.87

0.00

0.40

Good

Clear

NONE

1989-06-07 14:00

MDT

Yes

JRF

USGS

2.72

94.54

0.00

0.40

Fair

Clear

NONE

1989-03-15 09:30

MST

Yes

JRF

USGS

515

Poor

Unspecifed

NONE

1989-01-19 10:00

MST

Yes

JRF

USGS

27.9

95.42

0.02

0.50

Good

Clear

NONE

1988-11-21 11:30

MST

Yes

JRF

USGS

11.4

94.97

0.00

0.40

Good

Clear

NONE

1988-08-15 10:53

MDT

Yes

JRF

USGS

0.37

94.32

0.01

0.10

Poor

NONE

1988-06-27 11:45

MDT

Yes

JRF

USGS

0.40

94.32

0.00

0.20

Poor

NONE

1988-05-25 10:00

MDT

Yes

JRF

USGS

3.52

94.67

0.01

0.30

Fair

Clear

NONE

1988-04-08 08:30

MDT

Yes

JRF

USGS

19.4

95.25

0.00

0.50

Good

Clear

NONE

1988-02-16 10:00

MST

Yes

JRF

USGS

53.6

95.87

0.01

0.50

Fair

Clear

NONE

1987-11-18 10:40

MST

Yes

JRF

USGS

6.84

94.97

0.01

0.50

Fair

IceShore

NONE

1987-08-31 15:00

MDT

Yes

JRF

USGS

10.0

95.12

0.00

0.50

Good

Clear

NONE

1987-07-14 08:30

MDT

Yes

JRF

USGS

13.1

95.15

0.00

0.50

Good

Clear

NONE

1987-06-16 11:30

MDT

Yes

JRF

USGS

19.8

95.36

0.00

0.60

Good

Clear

NONE

1987-04-29 15:00

MDT

Yes

JRF/RLC

USGS

42.1

95.72

0.00

0.60

Good

Clear

NONE

1987-01-09 10:40

MST

Yes

JRF/RLC

USGS

13.6

95.30

0.00

0.50

Fair

IceShore

NONE