# //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: 2025-09-24 22:10:02 # //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="06154100 " TIME_ZONE="MST" DST_FLAG=Y # //STATION NAME="Milk River near Harlem MT" # //LABEL="Discharge ft^3/s" # //PARAMETER CODE="00060" # //RATING ID="24.0" TYPE="STGQ" NAME="stage-discharge" AGING=Working # //RATING REMARKS="Provisional 9/24/25. Rating revised using recent measurements for persistent minor scour condition lower end in 2024-2025 WY's. Typical S-shaped. Rating is drawn slightly to scoured side of recent measurements for non clear control conditions. Offset set at -0.40 ft from only recent GZF of -0.41 ft; was 0.28 ft (RTG 23.0). Similar to Rtg 23.0 on upper end using historical measurements. Rating run through rating smoothing tool. Some minor reversals due to rounding. Placed copy of rating smoothing in site Location details. " # //RATING EXPANSION="logarithmic" # //RATING OFFSET1=-4.000000E-01 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20240405000000 BZONE=-07:00 END=-------------- EZONE=--- AGING=Working # //RATING_DATETIME COMMENT="Start Rating 24.0" INDEP DEP STOR 16N 16N 1S -3.7000000E-01 0.0000000E+00 * -3.6511760E-01 2.6970459E-03 * 2.5822975E+00 1.0471645E+02 * 3.0395627E+00 1.4201494E+02 * 3.6104786E+00 1.9034417E+02 * 4.3418034E+00 2.5331828E+02 * 5.7179438E+00 3.9547170E+02 * 9.0968994E+00 8.6467529E+02 * 1.2423701E+01 1.5126944E+03 * 1.5877927E+01 2.3790782E+03 * 1.9705202E+01 3.7104677E+03 * 2.1160000E+01 4.4702600E+03 * 2.2230000E+01 5.2828600E+03 * 2.3060000E+01 6.2338300E+03 * 2.3570000E+01 7.0378800E+03 * 2.6070000E+01 1.3592550E+04 *