# //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: 2021-11-29 18:35:02 # //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="06025250 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Big Hole River at Maiden Rock nr Divide MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="4.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="Based on High flow measurements (over 2000 CFS) since 2011, and recent moderate to low flow measurements plotting on both side of the rating, indicating a change to the control has occurred.\\u00a0 A breakpoint with a 2nd offset was created based on measurements since 2009 plotting to the right of rating 2.1 above a stage of 6.5 ft. " # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=5.180000E+00 # //RATING OFFSET1=1.850000E+00 OFFSET2=1.950000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20210301000000 BZONE=-07:00 END=-------------- EZONE=--- AGING=None # //RATING_DATETIME COMMENT="Based on 2021 season mmts" INDEP DEP STOR 16N 16N 1S 2.4000000E+00 1.1037000E+02 * 5.1800000E+00 2.9710000E+03 * 8.3800000E+00 1.1990850E+04 *