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3 <br /> <br />PLATTE RIVER BASIN <br /> <br />06695000 SOUTH PLATTE RIVER ABOVE ELEVENMILE CANYON RESERVOIR, NEAR HARTSEL, CO <br /> <br />LOCATION.--Lat 38°58'03", long 105°34'51", in NE¼ sec. 32, T.12 S., R.73 W., Park County, Hydrologic Unit <br />10190001, on left bank 200 ft downstream from highway bridge, 2.5 mi upstream from water line of <br />Elevenmile Canyon Reservoir, at elevation 8,561 ft. and 13 mi southeast of Hartsel. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--880 mi²; 1933 to present. <br /> <br />GAGE.--Water-stage recorder with satellite telemetry in a wooden shelter at a 25' Parshall flume. Datum of <br />gage is 8,612.83 ft,(Denver Board of Water Commissioners Datum). Station is owned and maintained by <br />the Denver Water Dept. Satellite telemetry is maintained by the U. S. Army Corps of Engineers and <br />the USGS. <br /> <br />REMARKS.--Record is taken from hourly satellite readings, with chart back-up. Record is complete and <br />reliable. Spinney Reservoir is 2 miles upstream. Spinney release keeps this gage open year round. <br />Chart gage heights used Oct. 10-14, 1998; Aug. 27-31; Sep. 1-8, 1999 when problems occurred with the <br />satellite system. Ice effect days of Dec. 7-8, 10-11, 15-16, 19-23, 25, 1998 and Jan. 3-4, 27, 29, <br />1999 were corrected back to the baseline stage present without loss of accuracy. Record is <br />developed by Rodger Burcher. <br /> <br />RATING TABLE.--PLAHARCO15 USED FROM 01-OCT-1998 TO 30-SEP-1999 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 <br />MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 157 174 91 78 62 86 93 256 59 471 379 213 <br /> 2 175 169 112 78 62 80 95 227 60 496 406 199 <br /> 3 180 124 136 78 61 75 95 176 107 513 405 173 <br /> 4 175 108 136 78 68 75 95 111 138 513 404 157 <br /> 5 138 108 136 83 76 74 95 70 137 507 406 130 <br /> 6 131 103 136 88 76 75 95 50 194 525 436 102 <br /> 7 138 100 135 89 76 75 94 44 229 570 507 73 <br /> 8 135 101 135 90 76 75 94 44 196 553 505 75 <br /> 9 137 100 135 90 76 75 94 44 233 539 443 91 <br /> 10 141 99 134 90 76 75 93 44 439 480 376 143 <br /> 11 136 99 134 90 85 75 94 45 477 467 313 183 <br /> 12 136 95 134 90 85 75 93 45 577 452 235 184 <br /> 13 137 90 134 90 86 76 93 45 631 549 296 184 <br /> 14 142 90 104 90 86 75 93 45 629 439 305 184 <br /> 15 149 90 79 90 86 76 93 45 630 349 303 196 <br /> 16 148 90 79 90 85 76 93 45 629 345 310 194 <br /> 17 150 90 79 90 85 74 93 45 630 278 278 127 <br /> 18 148 90 78 90 86 74 93 45 662 302 230 80 <br /> 19 126 90 78 90 86 74 93 45 639 371 195 77 <br /> 20 129 90 78 90 86 75 88 46 572 372 200 77 <br /> 21 126 90 78 90 86 74 82 47 608 341 220 60 <br /> 22 112 90 78 90 85 74 67 48 641 332 246 49 <br /> 23 114 90 78 90 86 86 56 48 647 347 258 73 <br /> 24 103 89 78 90 86 94 52 140 635 378 194 90 <br /> 25 110 89 78 80 86 95 52 258 649 369 115 184 <br /> 26 104 89 78 62 86 95 65 202 696 349 91 193 <br /> 27 112 89 78 62 86 96 105 133 711 347 93 172 <br /> 28 132 89 78 62 86 95 145 79 692 315 93 129 <br /> 29 169 89 78 62 --- 95 229 60 628 359 93 127 <br /> 30 186 89 78 62 --- 95 278 59 540 325 92 131 <br /> 31 171 --- 78 62 --- 93 --- 59 --- 316 155 --- <br /> <br /> TOTAL 4347 2993 3121 2554 2252 2507 3000 2650 14315 12869 8582 4050 <br /> MEAN 140 99.8 101 82.4 80.4 80.9 100 85.5 477 415 277 135 <br /> AC-FT 8620 5940 6190 5070 4470 4970 5950 5260 28390 25530 17020 8030 <br /> MAX 186 174 136 90 86 96 278 258 711 570 507 213 <br /> MIN 103 89 78 62 61 74 52 44 59 278 91 49 <br /> <br /> CAL YR 1998 TOTAL 35584 MEAN 97.5 MAX 325 MIN 42 AC-FT 70580 <br /> WTR YR 1999 TOTAL 63240 MEAN 173 MAX 711 MIN 44 AC-FT 125400 <br /> <br /> MAX DISCH 719 CFS AT 1500 27-JUN-1999 GH 3.52 FT. SHIFT 0.03 FT. MAX GH 3.52 FT. AT 1500 27-JUN-1999 <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 />OctNovDecJanFebMarAprMayJunJulAugSep