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13 <br />PLATTE RIVER BASIN <br /> <br />06701500 SOUTH PLATTE RIVER BELOW CHEESMAN LAKE, CO <br /> <br />LOCATION.--Lat 39°12'33", long 105°16'06", in SE¼NW¼ sec.6, T.10 S., R.70 W., Jefferson County, Hydrologic Unit <br />10190002, on left bank 1,400 ft downstream from toe of Cheesman Dam and 3.8 mi southwest of Deckers. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--1,752 mi². Oct.1, 1924-May 13, 1956 at site 370 feet upstream and 0.50 ft. <br />higher. May 14, 1956 to present at current site. Unreliable record from 1909 to 1924 unpublished. <br /> <br />GAGE.--Data Collection Platform (DCP), shaft encoder and a continuous chart recorder in a wooden shelter at a 30 <br />ft Parshall flume. Gage is owned and maintained by the Denver Water Dept. Datum of gage is 6,609 ft. <br /> <br />REMARKS.--The primary record is hourly averages of 15-minute satellite monitoring data with chart back up. <br />Satellite data agreed with the recorder data within ±0.02 foot. The record is complete and reliable. <br />Any missing satellite data were filled in using the chart data without loss of accuracy. The record is <br />considered good. Station maintained by Steve Barrett and Mike Wild and record developed Mike Wild. <br /> <br />RATING TABLE.--PLACHECO11 USED FROM 01-Oct-2007 TO 30-Sep-2008 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2007 TO SEPTEMBER 2008 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 371 111 198 51 39 39 90 922 214 515 393 453 <br /> 2 371 84 198 51 39 40 81 915 180 548 376 432 <br /> 3 371 75 198 51 39 40 81 910 147 591 367 414 <br /> 4 370 130 144 51 39 39 91 905 147 601 362 415 <br /> 5 395 169 92 51 39 40 103 808 147 584 357 417 <br /> 6 422 115 61 51 39 40 104 696 148 577 358 417 <br /> 7 420 108 50 51 39 41 104 633 146 585 361 414 <br /> 8 382 108 50 51 39 41 104 529 145 597 349 414 <br /> 9 354 145 50 54 39 41 104 457 146 598 348 412 <br /> 10 353 170 51 50 39 41 104 432 144 571 358 408 <br /> 11 354 170 51 51 39 41 104 432 144 541 374 404 <br /> 12 354 170 51 51 39 41 104 422 144 508 365 400 <br /> 13 354 154 51 51 39 41 104 376 144 470 360 346 <br /> 14 354 140 51 51 39 50 107 343 144 440 357 307 <br /> 15 265 140 51 51 39 65 108 315 144 425 368 303 <br /> 16 117 150 51 51 39 65 108 289 144 423 399 281 <br /> 17 87 156 51 51 39 65 153 290 144 430 511 240 <br /> 18 112 156 51 51 39 66 239 290 144 444 694 205 <br /> 19 274 125 51 51 39 80 259 289 128 452 756 263 <br /> 20 319 147 51 51 39 99 262 345 111 452 850 310 <br /> 21 318 200 51 51 39 99 286 349 111 445 756 310 <br /> 22 230 200 51 51 39 99 244 289 112 444 653 343 <br /> 23 127 226 51 45 39 99 130 251 111 441 652 366 <br /> 24 110 247 51 39 39 99 132 203 144 441 579 366 <br /> 25 123 246 51 39 39 113 296 203 233 467 469 366 <br /> 26 162 245 51 39 39 124 584 204 264 462 453 393 <br /> 27 208 192 51 39 39 110 583 205 276 443 453 413 <br /> 28 228 123 51 39 39 101 626 207 393 435 453 411 <br /> 29 203 99 51 39 39 101 850 208 455 430 453 329 <br /> 30 187 129 51 39 --- 101 924 211 485 421 453 259 <br /> 31 153 --- 51 39 --- 101 --- 213 --- 410 453 --- <br /> <br />TOTAL 8448 4630 2163 1481 1131 2162 7169 13141 5539 15191 14490 10811 <br />MEAN 273 154 69.8 47.8 39.0 69.7 239 424 185 490 467 360 <br />AC-FT 16760 9180 4290 2940 2240 4290 14220 26070 10990 30130 28740 21440 <br />MAX 422 247 198 54 39 124 924 922 485 601 850 453 <br />MIN 87 75 50 39 39 39 81 203 111 410 348 205 <br /> <br />CAL YR 2007 TOTAL 109172 MEAN 299 MAX 719 MIN 47 AC-FT 216500 <br />WTR YR 2008 TOTAL 86356 MEAN 236 MAX 924 MIN 39 AC-FT 171300 <br /> <br />MAX DISCH: 926 CFS AT 13:00 ON Apr. 29, 2008 GH 3.65 FT. SHIFT 0.13 FT. <br />MAX GH: 3.65 FT. AT 13:00 ON Apr. 29, 2008 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br />