# //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: 2026-07-15 21:30:01 # //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="16210100 " TIME_ZONE="HST" DST_FLAG=N # //STATION NAME="Wahiawa Ditch at Wahiawa, Oahu, HI" # //LABEL="Discharge (ft^3/s)" # //PARAMETER CODE="00060" # //RATING SHIFTED="20260715213001 HST" # //RATING ID="3.1" TYPE="STGQ" NAME="stage-discharge" AGING=???? # //RATING REMARKS="Linear extension of Rating 3.0 to cover Gage Heights up to 8.9 ft." # //RATING EXPANSION="logarithmic" # //RATING BREAKPOINT1=7.430000E+00 # //RATING OFFSET1=6.920000E+00 OFFSET2=7.200000E+00 # //RATING_INDEP ROUNDING="????" PARAMETER="Gage height (ft)" # //RATING_DEP ROUNDING="????" PARAMETER="Discharge (ft^3/s)" # //RATING_DATETIME BEGIN=20240827150001 BZONE=-10:00 END=-------------- EZONE=--- AGING=1 # //RATING_DATETIME COMMENT="Extension approved (CWY 3/12/2025)" # //SHIFT_PREV BEGIN="20260206071500" BZONE="-10:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="7.04" SHIFT1="0.00" STAGE2="7.65" SHIFT2="-0.08" STAGE3="8.30" SHIFT3="0.00" # //SHIFT_PREV COMMENT="Continued previous fill shift to base of event, prorated decreased fill shift on the rise and held through Measurement #76." # //SHIFT_NEXT BEGIN="--------------" BZONE="---" END="--------------" EZONE="---" # //SHIFT_NEXT STAGE1="---" SHIFT1="---" STAGE2="---" SHIFT2="---" STAGE3="---" SHIFT3="---" # //SHIFT_NEXT COMMENT=" " INDEP SHIFT DEP STOR 16N 16N 16N 1S 6.99 0.00 0.00 * 7.00 0.00 0.18 7.01 0.00 0.35 7.02 0.00 0.53 7.03 0.00 0.71 7.04 0.00 0.88 7.05 0.00 1.04 7.06 0.00 1.19 7.07 0.00 1.35 7.08 -0.01 1.50 7.09 -0.01 1.65 7.10 -0.01 1.81 7.11 -0.01 1.96 7.12 -0.01 2.12 7.13 -0.01 2.27 7.14 -0.01 2.42 7.15 -0.01 2.58 7.16 -0.02 2.73 7.17 -0.02 2.88 7.18 -0.02 3.04 7.19 -0.02 3.19 * 7.20 -0.02 3.35 7.21 -0.02 3.50 7.22 -0.02 3.68 7.23 -0.02 3.88 7.24 -0.03 4.08 7.25 -0.03 4.29 7.26 -0.03 4.50 7.27 -0.03 4.72 7.28 -0.03 4.93 7.29 -0.03 5.16 7.30 -0.03 5.38 7.31 -0.04 5.62 7.32 -0.04 5.85 7.33 -0.04 6.09 7.34 -0.04 6.33 7.35 -0.04 6.58 7.36 -0.04 6.83 7.37 -0.04 7.08 7.38 -0.04 7.34 7.39 -0.05 7.60 7.40 -0.05 7.87 7.41 -0.05 8.14 7.42 -0.05 8.41 7.43 -0.05 8.69 * 7.44 -0.05 8.97 7.45 -0.05 9.25 7.46 -0.06 9.54 7.47 -0.06 9.83 7.48 -0.06 10.13 7.49 -0.06 10.43 7.50 -0.06 10.79 7.51 -0.06 11.15 7.52 -0.06 11.51 7.53 -0.06 11.87 7.54 -0.07 12.23 7.55 -0.07 12.59 7.56 -0.07 12.94 7.57 -0.07 13.30 7.58 -0.07 13.65 7.59 -0.07 14.01 7.60 -0.07 14.36 7.61 -0.07 14.71 7.62 -0.08 15.06 7.63 -0.08 15.42 7.64 -0.08 15.77 7.65 -0.08 16.12 7.66 -0.08 16.57 7.67 -0.08 17.02 7.68 -0.08 17.47 7.69 -0.08 17.91 7.70 -0.07 18.36 7.71 -0.07 18.81 7.72 -0.07 19.25 7.73 -0.07 19.70 7.74 -0.07 20.14 7.75 -0.07 20.59 7.76 -0.07 21.03 7.77 -0.07 21.47 7.78 -0.06 21.91 7.79 -0.06 22.35 7.80 -0.06 22.79 7.81 -0.06 23.23 7.82 -0.06 23.67 7.83 -0.06 24.10 7.84 -0.06 24.54 7.85 -0.06 24.97 7.86 -0.05 25.41 * 7.87 -0.05 25.84 7.88 -0.05 26.28 7.89 -0.05 26.71 7.90 -0.05 27.14 7.91 -0.05 27.58 7.92 -0.05 28.01 7.93 -0.05 28.44 7.94 -0.04 28.87 7.95 -0.04 29.30 7.96 -0.04 29.73 7.97 -0.04 30.16 7.98 -0.04 30.59 7.99 -0.04 31.02 8.00 -0.04 31.44 8.01 -0.04 31.87 8.02 -0.03 32.30 8.03 -0.03 32.72 8.04 -0.03 33.15 8.05 -0.03 33.57 8.06 -0.03 34.00 8.07 -0.03 34.42 8.08 -0.03 34.85 8.09 -0.03 35.27 8.10 -0.02 35.69 8.11 -0.02 36.12 8.12 -0.02 36.54 8.13 -0.02 36.96 8.14 -0.02 37.38 8.15 -0.02 37.80 8.16 -0.02 38.22 8.17 -0.02 38.64 8.18 -0.01 39.06 8.19 -0.01 39.48 8.20 -0.01 39.90 8.21 -0.01 40.32 8.22 -0.01 40.74 8.23 -0.01 41.16 8.24 -0.01 41.57 8.25 -0.01 41.99 8.26 0.00 42.41 8.27 0.00 42.83 8.28 0.00 43.24 8.29 0.00 43.66 8.30 0.00 44.07 8.31 0.00 44.44 8.32 0.00 44.81 8.33 0.00 45.18 8.34 0.00 45.55 8.35 0.00 45.92 8.36 0.00 46.29 8.37 0.00 46.66 8.38 0.00 47.02 8.39 0.00 47.39 8.40 0.00 47.76 8.41 0.00 48.13 8.42 0.00 48.49 8.43 0.00 48.86 8.44 0.00 49.23 8.45 0.00 49.59 8.46 0.00 49.96 8.47 0.00 50.33 8.48 0.00 50.69 8.49 0.00 51.06 8.50 0.00 51.42 8.51 0.00 51.79 8.52 0.00 52.15 8.53 0.00 52.52 8.54 0.00 52.88 8.55 0.00 53.25 8.56 0.00 53.61 8.57 0.00 53.98 8.58 0.00 54.34 8.59 0.00 54.70 8.60 0.00 55.07 8.61 0.00 55.43 8.62 0.00 55.79 8.63 0.00 56.15 8.64 0.00 56.52 8.65 0.00 56.88 8.66 0.00 57.24 8.67 0.00 57.60 8.68 0.00 57.96 8.69 0.00 58.33 8.70 0.00 58.69 8.71 0.00 59.05 8.72 0.00 59.41 * 8.73 0.00 59.77 8.74 0.00 60.13 8.75 0.00 60.49 8.76 0.00 60.85 8.77 0.00 61.21 8.78 0.00 61.57 8.79 0.00 61.93 8.80 0.00 62.29 8.81 0.00 62.65 8.82 0.00 63.01 8.83 0.00 63.37 8.84 0.00 63.73 8.85 0.00 64.09 8.86 0.00 64.45 8.87 0.00 64.80 8.88 0.00 65.16 8.89 0.00 65.52