# //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: 2024-07-11 18:25:01 # //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. # //FILE TYPE="NWIS RATING" # //DATABASE NUMBER=01 DESCRIPTION=" Standard data base for this site." # //STATION AGENCY="USGS " NUMBER="06026500 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Jefferson River near Twin Bridges MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="18.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="Based on 2022-current HW and lower stage QM's to better represent the changing of section-both-channel control. Lower stages section riffles lead to islands being flown against and then over as stage rises, up to full flow over island and far-submerged riffles to more bankful conditions." # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=5.350000E+00 # //RATING OFFSET1=1.100000E+00 OFFSET2=1.100000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20240514174500 BZONE=-07:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="Applied new rating below previous ratings truss shift, at 4.4 leading into the HW season." INDEP DEP STOR 16N 16N 1S 1.3200000E+00 1.1400000E+01 * 5.1100000E+00 2.4968900E+03 * 5.1900000E+00 2.5912200E+03 * 5.2500000E+00 2.6650000E+03 * 5.3000000E+00 2.7304600E+03 * 5.3500000E+00 2.7973800E+03 * 5.4500000E+00 2.9494500E+03 * 5.5300000E+00 3.0880900E+03 * 9.1500000E+00 1.2466060E+04 *