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

Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
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

USGS 09201500 Boulder Creek above Boulder Lake, near Boulder, WY

Sublette County, Wyoming

Hydrologic Unit Code 14040102

Latitude 42°51'23", Longitude 109°37'00" NAD27

Drainage area 115.00 square miles

Gage datum 7,304 feet above NAVD88

**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
41	2025-09-12 09:32:06	MDT	Yes	CRW/SMM	USGS	7.81	2.22			Fair	Clear	NONE
40	2025-07-22 16:43:10	MDT	Yes	mbm	USGS	55.5	2.86	0.01	0.75	Fair	Clear	NONE
39	2025-06-05 11:38:21	MDT	Yes	JDW/SWM	USGS	873	4.90	0.00	0.40	Fair	Clear	NONE
38	2025-04-02 11:31:55	MDT	Yes	SMM/CRW	USGS	26.4	2.66	0.04	1.00	Poor	IceCover	NONE
37	2025-01-14 14:29:36	MST	Yes	RML/JDW	USGS	17.5	2.58			Poor	IceCover	NONE
36	2024-12-12 15:36:14	MST	Yes	JDW	USGS	10.3	2.55	0.00	0.50	Poor	IceCover	NONE
35	2024-10-11 13:06:27	MDT	Yes	MBM	USGS	4.36	2.10	0.00	0.60	Fair	Clear	NONE
34	2024-08-13 15:10:22	MDT	Yes	mbm/jdw	USGS	26.6	2.56	0.00	0.75	Good	Clear	NONE
33	2024-06-11 09:00:42	MDT	No
32	2024-06-06 11:01	MDT	Yes	MBM/JDW	USGS	2470	6.74	0.07	1.00	Fair	Clear	NONE
31	2024-06-06 09:38:58	MDT	Yes	MBM/JDW	USGS	2090	6.82	0.09	0.50	Poor	Clear	NONE
30	2024-06-05 14:25:07	MDT	Yes	MBM/JDW	USGS	1280	5.91	0.00	0.40	Poor	Clear	NONE
29	2024-05-13 14:34:24	MDT	Yes	MBM/JDW/SMM	USGS	247	3.71	0.01	0.25	Fair	Clear	NONE
28	2024-04-24 18:29:02	MDT	Yes	mbm/smm	USGS	205	3.46	0.00	1.00	Fair	Clear	NONE
27	2024-04-04 17:19:54	MDT	Yes	MBM	USGS	50.7	2.83	0.00	0.70	Fair	IceShore	NONE
26	2024-02-07 11:57:08	MST	Yes	mbm/smm	USGS	25.8	2.50	0.01	1.00	Fair	IceShore	NONE
25	2023-11-03 14:23:52	MDT	Yes	MBM	USGS	50.8	2.77	0.00	1.25	Good	Clear	NONE
24	2023-10-12 14:49:19	MDT	Yes	MBM/SMM	USGS	61.3	2.89			Fair	Clear	NONE
23	1940-01-05 16:59:30	MST	Yes	CWB	USGS	1.23				Unknown		NONE
22	1939-12-05 16:59:30	MST	Yes	CWB	USGS	3.43				Unknown		NONE
21	1939-11-09 19:29:30	MST	Yes	CWB	USGS	9.80	3.00			Unknown		NONE
20	1939-10-06 16:59:30	MST	Yes	RJY/CWB	USGS	22.9	3.19			Unknown		NONE
19	1939-09-29 17:28	MST	Yes	RJY	USGS	20.6	3.17			Unknown		NONE
18	1939-09-21 19:04:30	MST	Yes	CWB	USGS	15.7	3.10			Unknown		NONE
17	1939-09-06 16:59:30	MST	Yes	CWB	USGS	7.31				Unknown		NONE
16a	1939-08-29 16:59:30	MST	Yes	RJY	USGS	11.6				Unknown		NONE
16	1939-08-21 16:59:30	MST	Yes	CWB	USGS	18.4				Unknown		NONE
15	1939-08-14 14:55	MST	Yes	CWB	USGS	22.8	3.18			Unknown		NONE
14	1939-07-27 16:22	MST	Yes	JPM	USGS	52.9	3.45			Unknown		NONE
13	1939-07-15 14:30	MST	Yes	RLB/JPM	USGS	179	3.94			Unknown		NONE
12	1939-06-30 10:52:30	MST	Yes	JPM	USGS	383	4.46			Unknown		NONE
11	1939-06-16 12:12:30	MST	Yes	JPM	USGS	496	4.64			Unknown		NONE
10	1939-06-10 10:42:30	MST	Yes	CWB/JPM	USGS	408	4.50			Unknown		NONE
9	1939-05-25 16:07:30	MST	Yes	RHA/CWB	USGS	436	4.63			Unknown		NONE
8	1939-05-09 15:45	MST	Yes	RHA	USGS	700	4.88			Unknown		NONE
7	1939-04-08 11:55:30	MST	Yes	RHArmstrong	USGS	45.5	3.23			Unknown		NONE
6	1939-03-24 19:44:30	MST	Yes	RHA/PCP	USGS	33.7				Unknown		NONE
5	1939-03-08 19:29:30	MST	Yes	RHA/PCP	USGS	20.0				Unknown		NONE
4	1939-01-24 17:44:30	MST	Yes	RHA/PCP	USGS	22.0				Unknown		NONE
3	1939-01-10 17:59:30	MST	Yes	RHA/PCP	USGS	27.4				Unknown		NONE
2	1938-12-10 17:59:30	MST	Yes	RHA/MLW	USGS	50.2				Unknown		NONE
1	1938-11-03 16:56:30	MST	Yes	R.H. Armstro	USGS	85.6	3.71			Unknown		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

2025-09-12 09:32:06

MDT

Yes

CRW/SMM

USGS

7.81

2.22

Fair

Clear

NONE

2025-07-22 16:43:10

MDT

Yes

mbm

USGS

55.5

2.86

0.01

0.75

Fair

Clear

NONE

2025-06-05 11:38:21

MDT

Yes

JDW/SWM

USGS

873

4.90

0.00

0.40

Fair

Clear

NONE

2025-04-02 11:31:55

MDT

Yes

SMM/CRW

USGS

26.4

2.66

0.04

1.00

Poor

IceCover

NONE

2025-01-14 14:29:36

MST

Yes

RML/JDW

USGS

17.5

2.58

Poor

IceCover

NONE

2024-12-12 15:36:14

MST

Yes

JDW

USGS

10.3

2.55

0.00

0.50

Poor

IceCover

NONE

2024-10-11 13:06:27

MDT

Yes

MBM

USGS

4.36

2.10

0.00

0.60

Fair

Clear

NONE

2024-08-13 15:10:22

MDT

Yes

mbm/jdw

USGS

26.6

2.56

0.00

0.75

Good

Clear

NONE

2024-06-11 09:00:42

MDT

2024-06-06 11:01

MDT

Yes

MBM/JDW

USGS

2470

6.74

0.07

1.00

Fair

Clear

NONE

2024-06-06 09:38:58

MDT

Yes

MBM/JDW

USGS

2090

6.82

0.09

0.50

Poor

Clear

NONE

2024-06-05 14:25:07

MDT

Yes

MBM/JDW

USGS

1280

5.91

0.00

0.40

Poor

Clear

NONE

2024-05-13 14:34:24

MDT

Yes

MBM/JDW/SMM

USGS

247

3.71

0.01

0.25

Fair

Clear

NONE

2024-04-24 18:29:02

MDT

Yes

mbm/smm

USGS

205

3.46

0.00

1.00

Fair

Clear

NONE

2024-04-04 17:19:54

MDT

Yes

MBM

USGS

50.7

2.83

0.00

0.70

Fair

IceShore

NONE

2024-02-07 11:57:08

MST

Yes

mbm/smm

USGS

25.8

2.50

0.01

1.00

Fair

IceShore

NONE

2023-11-03 14:23:52

MDT

Yes

MBM

USGS

50.8

2.77

0.00

1.25

Good

Clear

NONE

2023-10-12 14:49:19

MDT

Yes

MBM/SMM

USGS

61.3

2.89

Fair

Clear

NONE

1940-01-05 16:59:30

MST

Yes

CWB

USGS

1.23

Unknown

NONE

1939-12-05 16:59:30

MST

Yes

CWB

USGS

3.43

Unknown

NONE

1939-11-09 19:29:30

MST

Yes

CWB

USGS

9.80

3.00

Unknown

NONE

1939-10-06 16:59:30

MST

Yes

RJY/CWB

USGS

22.9

3.19

Unknown

NONE

1939-09-29 17:28

MST

Yes

RJY

USGS

20.6

3.17

Unknown

NONE

1939-09-21 19:04:30

MST

Yes

CWB

USGS

15.7

3.10

Unknown

NONE

1939-09-06 16:59:30

MST

Yes

CWB

USGS

7.31

Unknown

NONE

16a

1939-08-29 16:59:30

MST

Yes

RJY

USGS

11.6

Unknown

NONE

1939-08-21 16:59:30

MST

Yes

CWB

USGS

18.4

Unknown

NONE

1939-08-14 14:55

MST

Yes

CWB

USGS

22.8

3.18

Unknown

NONE

1939-07-27 16:22

MST

Yes

JPM

USGS

52.9

3.45

Unknown

NONE

1939-07-15 14:30

MST

Yes

RLB/JPM

USGS

179

3.94

Unknown

NONE

1939-06-30 10:52:30

MST

Yes

JPM

USGS

383

4.46

Unknown

NONE

1939-06-16 12:12:30

MST

Yes

JPM

USGS

496

4.64

Unknown

NONE

1939-06-10 10:42:30

MST

Yes

CWB/JPM

USGS

408

4.50

Unknown

NONE

1939-05-25 16:07:30

MST

Yes

RHA/CWB

USGS

436

4.63

Unknown

NONE

1939-05-09 15:45

MST

Yes

RHA

USGS

700

4.88

Unknown

NONE

1939-04-08 11:55:30

MST

Yes

RHArmstrong

USGS

45.5

3.23

Unknown

NONE

1939-03-24 19:44:30

MST

Yes

RHA/PCP

USGS

33.7

Unknown

NONE

1939-03-08 19:29:30

MST

Yes

RHA/PCP

USGS

20.0

Unknown

NONE

1939-01-24 17:44:30

MST

Yes

RHA/PCP

USGS

22.0

Unknown

NONE

1939-01-10 17:59:30

MST

Yes

RHA/PCP

USGS

27.4

Unknown

NONE

1938-12-10 17:59:30

MST

Yes

RHA/MLW

USGS

50.2

Unknown

NONE

1938-11-03 16:56:30

MST

Yes

R.H. Armstro

USGS

85.6

3.71

Unknown

NONE