# //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: 2026-04-17 23:25:02 # //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="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="20260417232502 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="20250317071501" BZONE="-10:00" END="--------------" EZONE="---" # //SHIFT_PREV STAGE1="7.04" SHIFT1="0.00" STAGE2="7.65" SHIFT2="-0.14" STAGE3="8.30" SHIFT3="0.00" # //SHIFT_PREV COMMENT="Temporary shift to Measurement # 73, held through Measurement #75." # //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 1.02 7.06 0.00 1.16 7.07 -0.01 1.29 7.08 -0.01 1.43 7.09 -0.01 1.57 7.10 -0.01 1.70 7.11 -0.02 1.84 7.12 -0.02 1.98 7.13 -0.02 2.11 7.14 -0.02 2.25 7.15 -0.02 2.39 7.16 -0.03 2.52 7.17 -0.03 2.66 7.18 -0.03 2.79 7.19 -0.03 2.93 * 7.20 -0.04 3.07 7.21 -0.04 3.20 7.22 -0.04 3.34 7.23 -0.04 3.48 7.24 -0.05 3.63 7.25 -0.05 3.81 7.26 -0.05 3.98 7.27 -0.05 4.16 7.28 -0.06 4.35 7.29 -0.06 4.54 7.30 -0.06 4.73 7.31 -0.06 4.92 7.32 -0.06 5.12 7.33 -0.07 5.32 7.34 -0.07 5.52 7.35 -0.07 5.73 7.36 -0.07 5.94 7.37 -0.08 6.15 7.38 -0.08 6.37 7.39 -0.08 6.59 7.40 -0.08 6.81 7.41 -0.08 7.04 7.42 -0.09 7.26 7.43 -0.09 7.49 * 7.44 -0.09 7.73 7.45 -0.09 7.96 7.46 -0.10 8.20 7.47 -0.10 8.45 7.48 -0.10 8.69 7.49 -0.10 8.94 7.50 -0.11 9.19 7.51 -0.11 9.45 7.52 -0.11 9.70 7.53 -0.11 9.96 7.54 -0.11 10.23 7.55 -0.12 10.51 7.56 -0.12 10.83 7.57 -0.12 11.15 7.58 -0.12 11.47 7.59 -0.13 11.79 7.60 -0.13 12.11 7.61 -0.13 12.43 7.62 -0.13 12.74 7.63 -0.14 13.06 7.64 -0.14 13.37 7.65 -0.14 13.69 7.66 -0.14 14.18 7.67 -0.14 14.68 7.68 -0.13 15.17 7.69 -0.13 15.66 7.70 -0.13 16.15 7.71 -0.13 16.64 7.72 -0.12 17.12 7.73 -0.12 17.61 7.74 -0.12 18.09 7.75 -0.12 18.58 7.76 -0.12 19.06 7.77 -0.11 19.54 7.78 -0.11 20.02 7.79 -0.11 20.50 7.80 -0.11 20.98 7.81 -0.11 21.46 7.82 -0.10 21.93 7.83 -0.10 22.41 7.84 -0.10 22.88 7.85 -0.10 23.36 7.86 -0.09 23.83 * 7.87 -0.09 24.31 7.88 -0.09 24.78 7.89 -0.09 25.25 7.90 -0.09 25.72 7.91 -0.08 26.19 7.92 -0.08 26.66 7.93 -0.08 27.13 7.94 -0.08 27.59 7.95 -0.08 28.06 7.96 -0.07 28.53 7.97 -0.07 28.99 7.98 -0.07 29.46 7.99 -0.07 29.92 8.00 -0.06 30.39 8.01 -0.06 30.85 8.02 -0.06 31.31 8.03 -0.06 31.78 8.04 -0.06 32.24 8.05 -0.05 32.70 8.06 -0.05 33.16 8.07 -0.05 33.62 8.08 -0.05 34.08 8.09 -0.05 34.54 8.10 -0.04 35.00 8.11 -0.04 35.46 8.12 -0.04 35.91 8.13 -0.04 36.37 8.14 -0.03 36.83 8.15 -0.03 37.28 8.16 -0.03 37.74 8.17 -0.03 38.19 8.18 -0.03 38.65 8.19 -0.02 39.10 8.20 -0.02 39.56 8.21 -0.02 40.01 8.22 -0.02 40.46 8.23 -0.01 40.92 8.24 -0.01 41.37 8.25 -0.01 41.82 8.26 -0.01 42.27 8.27 -0.01 42.72 8.28 0.00 43.17 8.29 0.00 43.62 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