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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 13349500 ROCK CREEK NEAR EWAN, WA


Whitman County, Washington
Hydrologic Unit Code 17060109
Latitude  47°08'22", Longitude 117°43'26" NAD27
Drainage area 523.00  square miles
Gage datum 1,720.00 feet above NGVD29
Output formats
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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
 
43M1972-03-07 -- ----YesADMUSGS574 Unspecified NONE
42M1971-01-19 -- ----YesADMUSGS1060 Unspecified NONE
41M1969-10-15 23:00PSTYesADMUSGS1.20 Unspecified NONE
40M1969-04-03 -- ----YesADMUSGS1090 Unspecified NONE
39M1969-03-07 -- ----YesADMUSGS241 Unspecified NONE
38M1969-01-14 -- ----YesADMUSGS166 Unspecified NONE
37M1968-03-21 -- ----YesADMUSGS82.0 Unspecified NONE
36M1968-02-13 -- ----YesADMUSGS146 Unspecified NONE
35M1967-09-06 23:00PSTYesADMUSGS0.00 Unspecified NONE
34M1967-04-20 -- ----YesADMUSGS90.0 Unspecified NONE
33M1967-02-17 -- ----YesADMUSGS158 Unspecified NONE
32M1966-06-22 -- ----YesADMUSGS13.0 Unspecified NONE
31M1966-05-20 -- ----YesADMUSGS28.0 Unspecified NONE
30M1966-04-14 -- ----YesADMUSGS84.0 Unspecified NONE
29M1966-03-10 -- ----YesADMUSGS196 Unspecified NONE
28M1966-02-07 -- ----YesADMUSGS84.0 Unspecified NONE
27M1966-01-10 -- ----YesADMUSGS111 Unspecified NONE
26M1965-12-07 -- ----YesADMUSGS13.0 Unspecified NONE
25M1965-10-26 -- ----YesADMUSGS1.90 Unspecified NONE
24M1965-09-21 -- ----YesADMUSGS0.64 Unspecified NONE
23M1965-08-17 -- ----YesADMUSGS3.10 Unspecified NONE
22M1965-07-12 -- ----YesADMUSGS15.0 Unspecified NONE
21M1965-05-24 -- ----YesADMUSGS71.0 Unspecified NONE
20M1965-04-19 -- ----YesADMUSGS126 Unspecified NONE
19M1965-03-15 -- ----YesADMUSGS228 Unspecified NONE
18M1965-02-03 -- ----YesADMUSGS1200 Unspecified NONE
17M1965-01-19 -- ----YesADMUSGS229 Unspecified NONE
16M1964-12-28 -- ----YesADMUSGS472 Unspecified NONE
15M1964-11-24 -- ----YesADMUSGS7.60 Unspecified NONE
14M1964-10-23 -- ----YesADMUSGS2.40 Unspecified NONE
13M1964-09-11 -- ----YesADMUSGS1.20 Unspecified NONE
12M1964-08-13 -- ----YesADMUSGS3.90 Unspecified NONE
11M1964-07-22 -- ----YesADMUSGS12.0 Unspecified NONE
10M1964-07-15 -- ----YesADMUSGS15.0 Unspecified NONE
9M1964-03-19 -- ----YesADMUSGS441 Unspecified NONE
8M1963-11-06 -- ----YesADMUSGS1.10 Unspecified NONE
7M1963-05-16 -- ----YesADMUSGS75.0 Unspecified NONE
6M1963-02-07 -- ----YesADMUSGS2210 Unspecified NONE
5M1963-02-04 -- ----YesADMUSGS4000 Unspecified NONE
4M1959-06-27 -- ----YesADMUSGS1510 Unspecified NONE
3M1959-06-24 -- ----YesADMUSGS1870 Unspecified NONE
2M1958-09-15 -- ----YesADMUSGS0.00 Unspecified NONE
1M1903-12-04 -- ----YesADMUSGS10.0 Unspecified NONE