# //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: 2026-03-06 21:30:03 # //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="12389500 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Thompson River near Thompson Falls MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="25.0 " TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="Ongoing negative trend for upper end looking at measurements since 2017, Measurement made in December 2025 verified need to update rating. Adjusted offset slight, and moved rating point compared to rating 24.0 is very similar, just eliminate slight negative bias. " # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=3.560000E+00 # //RATING OFFSET1=1.400000E+00 OFFSET2=2.400000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20251209111500 BZONE=-07:00 END=-------------- EZONE=--- AGING=None # //RATING_DATETIME COMMENT="switching when the ratings cross" INDEP DEP STOR 16N 16N 1S 2.1800000E+00 2.9480000E+01 * 3.5600000E+00 5.5276800E+02 * 9.8985019E+00 7.1771301E+03 *