# //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: 2023-03-30 19:45:02 # //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="06191500 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Yellowstone River at Corwin Springs MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="10.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="Rating 10.0 was developed due changes in the channel after the 2022 floods. Indirect meas. No 889 indicated fill conditions on extreme upper end of the rating; on the lower end light scour conditions occurred. An offset of -1.50 was chosen (best fit). \\nThe fill conditions are mostly likely due to the area approximately 4,600 ft DS where it is possible the flow becomes bottle necked; during extreme high flows (above stages of 9.8 ft), causing backwater conditions, which is seen in meas. Nos. 700, 707, 822 and 889. Rating 10.0 accounts for this as seen in the slope change from 8.61 to 15.27ft.\\nThere are small reversals at stages above 8.0 ft. In the location details the smoothing check spreadsheet can be found that calculates the reversal amounts are less than 3% and no smoothing is necessary. \\nFurther definition is necessary especially at mid-range flows. \\n" # //RATING EXPANSION="logarithmic" # //RATING OFFSET1=-1.500000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20220613131500 BZONE=-07:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="start at peak of record" INDEP DEP STOR 16N 16N 1S 2.6000000E-01 3.7623000E+02 * 7.8000000E+00 1.6525830E+04 * 8.2100000E+00 1.8206030E+04 * 8.6100000E+00 2.0013560E+04 * 1.5270000E+01 5.8777620E+04 *