# //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: 2023-04-13 01:11:02 # //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="05017500 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="St. Mary River near Babb MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="16.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="REVIEWED BY FIELD CHIEF ON 12/9/2020-- Rating was drawn through recent high flow measurements. Lowered upper end of rating based on highest measurements since 1964 and highest stage since 1995 is 7.20 ft. Need more definition above 7 ft to extend the rating further. " # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=3.130000E+00 # //RATING OFFSET1=8.000000E-01 OFFSET2=1.900000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20201024161500 BZONE=-07:00 END=-------------- EZONE=--- AGING=None # //RATING_DATETIME COMMENT="changed during rise on October 24, 2020" INDEP DEP STOR 16N 16N 1S 1.0300000E+00 8.3200000E+00 * 3.1300000E+00 9.9650000E+02 * 8.1400000E+00 6.8801100E+03 *