# //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: 2024-05-21 21:00:02 # //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. # //FILE TYPE="NWIS RATING" # //DATABASE NUMBER=01 DESCRIPTION=" Standard data base for this site." # //STATION AGENCY="USGS " NUMBER="12377150 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Mission Creek ab reservoir nr St. Ignatius MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="15.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="New rating at new gage location, located 2800 ft. DS. Based upon QMs 369A-371A and 374A-377. New GZF 1.47 (cobble riffle below new gage) and top of RB = 5.19 ft. " # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=2.460000E+00 # //RATING OFFSET1=1.470000E+00 OFFSET2=2.100000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20240423100000 BZONE=-07:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="Switch during gap in record, when gage was switched. Difference in Q = 30.00 (R15) - 30.69 (R14)/ 30.69 = -2.2% within 3%, no shifting needed. " INDEP DEP STOR 16N 16N 1S 1.5200000E+00 1.0000000E-02 * 2.4600000E+00 6.6100000E+01 * 4.4700000E+00 4.7661000E+02 *