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10 <br /> <br />PLATTE RIVER BASIN <br /> <br />06709610 SOUTH PLATTE RIVER BELOW CHATFIELD RESERVOIR, CO <br /> <br />LOCATION.--Lat 39°33'26", long 105°03'27", SE¼, sec. 1, T.6 S., R.69 W., Jefferson County, Hydrologic Unit <br />10190002. <br /> <br />DRAINAGE AREA.--3,018 mi². <br /> <br />GAGE.--Steven’s A-70 Graphic water-stage recorder with satellite telemetry with electric drop tape for <br />reference. <br /> <br />REMARKS.--The record is complete and reliable and is considered good. The satellite is the primary record <br />with the recorder chart as back-up. Chart gage heights were use on May 13-15; Aug. 11-13, 18, 22, <br />1997. Measurements were plotted against Rating No. 2 by computer. A hydrograph was plotted by <br />computer. Station maintained and record developed by Rodger Burcher. <br /> <br />RATING TABLE.--PLACHACO02 USED FROM 01-OCT-1996 TO 30-SEP-1997 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 6.2 0.10 24 0.31 0.53 57 38 149 292 496 563 78 <br /> 2 6.0 0.10 24 0.37 0.42 57 38 140 331 440 605 115 <br /> 3 6.0 0.10 24 0.26 0.46 58 53 130 431 372 469 118 <br /> 4 6.0 0.10 24 0.12 0.44 57 50 130 403 306 438 78 <br /> 5 6.0 0.10 24 0.12 0.38 57 39 107 353 279 439 78 <br /> 6 6.3 0.10 24 0.12 0.38 38 39 62 301 257 612 120 <br /> 7 6.6 0.10 24 1.2 2.2 27 56 50 116 276 760 203 <br /> 8 6.5 0.10 24 1.6 5.0 27 72 113 32 306 735 148 <br /> 9 3.4 0.10 38 1.6 4.9 26 72 143 33 286 679 78 <br /> 10 0.87 0.10 24 1.3 22 31 72 113 353 235 687 50 <br /> 11 0.77 0.10 4.4 1.3 36 37 53 114 545 206 735 16 <br /> 12 0.69 0.10 4.3 1.2 42 37 36 128 545 153 741 63 <br /> 13 0.65 0.10 3.0 1.2 53 38 36 156 545 101 741 104 <br /> 14 0.64 0.10 1.00 1.1 58 39 26 165 672 122 566 29 <br /> 15 0.49 42 0.69 0.78 58 39 9.3 166 883 142 407 28 <br /> 16 0.39 94 0.43 0.44 58 39 9.0 167 828 192 306 16 <br /> 17 0.36 94 0.40 0.77 58 39 8.9 168 879 180 138 1.1 <br /> 18 0.29 94 0.29 1.0 48 39 8.9 169 816 153 57 1.1 <br /> 19 0.25 116 0.14 1.0 35 39 8.9 221 771 196 92 0.94 <br /> 20 0.27 143 0.12 0.95 46 39 8.8 281 706 303 107 0.83 <br /> 21 0.20 143 0.12 0.96 58 39 8.9 214 586 357 99 0.83 <br /> 22 0.18 127 0.12 0.68 57 39 8.8 192 500 411 165 0.79 <br /> 23 0.16 107 0.13 0.92 58 39 15 283 500 417 127 0.77 <br /> 24 0.15 107 0.12 1.0 57 39 63 371 500 329 51 0.68 <br /> 25 0.15 90 0.13 1.0 57 39 105 362 543 250 23 19 <br /> 26 0.17 55 0.12 1.0 57 39 120 333 569 175 1.3 37 <br /> 27 0.15 41 0.13 1.1 57 39 120 235 547 136 1.2 17 <br /> 28 0.15 24 0.12 1.0 57 39 132 155 601 171 69 17 <br /> 29 0.15 24 0.12 0.79 --- 38 148 140 560 97 149 12 <br /> 30 0.14 24 0.12 0.69 --- 38 149 164 524 214 173 8.5 <br /> 31 0.14 --- 0.19 0.68 --- 38 --- 230 --- 449 125 --- <br /> <br /> TOTAL 60.38 1326.40 270.21 26.58 986.72 1246 1603.5 5551 15265 8007 10860.5 1439.53 <br /> MEAN 1.95 44.2 8.72 0.86 35.2 40.2 53.5 179 509 258 350 48.0 <br /> AC-FT 120 2630 536 53 1960 2470 3180 11010 30280 15880 21540 2860 <br /> MAX 6.6 143 38 1.6 58 58 149 371 883 496 760 203 <br /> MIN 0.14 0.10 0.12 0.12 0.38 26 8.8 50 32 97 1.2 0.68 <br /> <br /> CAL YR 1996 TOTAL 27147.08 MEAN 74.2 MAX 548 MIN 0.10 AC-FT 53850 <br /> WTR YR 1997 TOTAL 46642.82 MEAN 128 MAX 883 MIN 0.10 AC-FT 92520 <br /> <br /> MAX DISCH 886 CFS AT 1545 14-JUN-1997 GH 3.79 FT. SHIFT -0.01 FT. MAX GH 3.79 FT. AT 1545 14-JUN-1997 <br /> <br /> FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br />0 <br />200 <br />400 <br />600 <br />800 <br />1000 <br />OctNovDecJanFebMarAprMayJunJulAugSep