# //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: 2024-06-06 18:15:02 # //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="06082200 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Sun River bl Willow Cr nr Augusta MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="6.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="Rating 6.0 developed using Qms (201-208) from WY 23/24 at the lower end. The assumed channel control section of the rating used Qms (132, 154, 155, 167, 174, 196, & 202). The upper end of the rating was developed using Qms 166 & 167 (both noted as in channel control), but based on change in slope at BP 2, it was developed as defining an overbank condition." # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=3.270000E+00 BREAKPOINT2=6.350000E+00 # //RATING OFFSET1=5.300000E-01 OFFSET2=1.750000E+00 OFFSET3=2.000000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20240505103000 BZONE=-07:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="Activated at instance where stage is 2.09 to not cause any drastic change in discharge, as 2.09 is where previous shift matched discharge of new Rating 6.0 direct." INDEP DEP STOR 16N 16N 1S 1.1300000E+00 5.5600000E+00 * 3.1600000E+00 1.0200000E+03 * 3.2700000E+00 1.1787200E+03 * 3.4600000E+00 1.4600000E+03 * 6.3500000E+00 7.4173700E+03 * 7.9900000E+00 1.4692740E+04 *