# //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: 2023-08-31 22:25:01 # //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="06099500 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Marias River near Shelby MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="17.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="Based on WY-19-20 open water measurements and historic high water." # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=4.150000E+00 BREAKPOINT2=8.620000E+00 # //RATING OFFSET1=1.250000E+00 OFFSET2=2.050000E+00 OFFSET3=2.000000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20230610044500 BZONE=-07:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="changed to Rating 17.0 when discharges are close to each other (well within 3%)" INDEP DEP STOR 16N 16N 1S 1.9200000E+00 3.0717000E+01 * 4.1500000E+00 1.1362270E+03 * 8.6200000E+00 7.3375700E+03 * 1.4900000E+01 2.7764729E+04 *