# //UNITED STATES GEOLOGICAL SURVEY http://water.usgs.gov/ # //NATIONAL WATER INFORMATION SYSTEM http://water.usgs.gov/data.html # //DATA ARE PROVISIONAL AND SUBJECT TO CHANGE UNTIL PUBLISHED BY USGS # //RETRIEVED: 2021-06-14 20:40:02 # //WARNING # //WARNING The stage-discharge rating provided in this file should be # //WARNING considered provisional and subject to change. Stage-discharge # //WARNING ratings change over time as the channel features that control # //WARNING the relation between stage and discharge vary. Users are # //WARNING cautioned to consider carefully the applicability of this # //WARNING rating before using it for decisions that concern personal or # //WARNING public safety or operational consequences. # //WARNING # //WARNING This rating does not include any shifts that may have been # //WARNING used along with this base rating in converting stage to # //WARNING discharge at this site. Stage data processed with the rating # //WARNING thus may not match that displayed or published by the USGS. # //WARNING # //FILE TYPE="NWIS RATING" # //DATABASE NUMBER=01 DESCRIPTION=" Standard data base for this site." # //STATION AGENCY="USGS " NUMBER="12344000 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Bitterroot River near Darby MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="18.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="Rating developed using WY20 and historic high water measurements. Significant scour occured during high water." # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=3.390000E+00 # //RATING OFFSET1=-4.000000E-01 OFFSET2=1.700000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20201201120000 BZONE=-07:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="Rating 18.0 based on WY19-WY20 open water and historic high and low flow measurements." INDEP DEP STOR 16N 16N 1S 7.9000000E-01 7.6700000E+01 * 3.3900000E+00 1.6531700E+03 * 8.4900000E+00 9.7791400E+03 *