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<br /> <br /> <br /> 7 <br /> <br /> PLATTE RIVER BASIN <br /> <br /> 06707500 SOUTH PLATTE RIVER AT SOUTH PLATTE, CO <br /> <br />LOCATION.--Lat 39°24'33", long 105°10'10", SE¼ sec.25, T.7 S., R.70 W., Jefferson County, Hydrologic Unit 10190002, on <br />left bank at South Platte, 200 ft downstream from bridge on State Highway 75, and 400 ft downstream from North <br />Fork. <br /> <br />DRAINAGE AREA.--2,579 mi2. <br /> <br />GAGE.--Graphic water-stage recorder with satellite telemetry in a wooden shelter on a natural channel. Datum of gage is <br />6,078.43 ft above mean sea level. Road access is controlled by the U.S. Forest Service and the Denver Water <br />Dept. Satellite telemetry is maintained by the U. S. Army Corps of Engineers and the USGS. <br /> <br />REMARKS.--Primary record is chart data. The record is complete and reliable except for the following period: Jan. 16- <br />27, 1992 when there was backwater from ice. Discharge was estimated for this period from Denver Water Dept. <br />records for computed inflow to Strontia Springs Res. Record is good, except for the ice period, which is fair. <br />Station is maintained and records developed by Robert Cooper. <br /> <br />RATING TABLE.--PLASPLCO14 USED FROM 01-OCT-1991 TO 30-SEP-1992 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 <br /> MEAN VALUES <br /> <br />DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 451 231 236 244 247 247 234 760 591 625 558 435 <br /> 2 272 255 239 239 247 247 234 760 591 695 630 572 <br /> 3 250 253 255 244 253 253 231 745 572 630 675 630 <br /> 4 244 290 272 321 250 278 255 740 620 610 670 695 <br /> 5 244 290 287 348 250 231 270 740 620 600 562 695 <br /> 6 244 275 299 331 242 228 275 740 615 591 562 770 <br /> 7 247 278 321 321 250 228 302 765 376 600 567 745 <br /> 8 354 270 287 253 236 231 309 800 338 610 630 740 <br /> 9 372 309 281 244 236 234 325 760 348 610 635 655 <br /> 10 372 315 278 247 236 218 427 690 525 586 640 581 <br /> 11 365 315 281 255 242 231 515 530 595 591 685 480 <br /> 12 365 302 244 258 236 239 515 615 665 600 690 472 <br /> 13 358 302 226 250 239 239 476 664 645 635 586 447 <br /> 14 338 296 214 261 242 247 511 650 630 595 480 459 <br /> 15 281 312 239 315 239 244 520 645 615 591 463 459 <br /> 16 287 306 244 305 239 255 459 640 645 640 463 467 <br /> 17 321 306 250 269 239 261 451 640 720 685 591 427 <br /> 18 331 299 242 259 231 258 431 650 720 680 586 325 <br /> 19 348 302 242 259 231 250 408 700 730 670 497 358 <br /> 20 348 239 244 262 247 244 376 725 725 675 476 600 <br /> 21 348 272 239 259 255 247 393 800 640 670 476 404 <br /> 22 328 264 242 256 255 250 451 730 635 586 562 472 <br /> 23 275 228 239 226 255 253 548 675 630 576 562 467 <br /> 24 281 242 231 291 255 261 567 625 685 534 680 463 <br /> 25 258 284 234 257 255 253 544 615 765 530 610 463 <br /> 26 201 318 236 276 253 247 539 615 685 539 365 463 <br /> 27 192 299 234 275 258 253 605 670 680 443 515 463 <br /> 28 192 258 231 275 258 278 645 620 620 459 515 459 <br /> 29 160 258 236 244 247 287 670 539 610 586 439 427 <br /> 30 151 247 244 247 --- 281 725 558 581 581 397 423 <br /> 31 149 --- 236 247 --- 275 --- 581 --- 544 365 --- <br /> <br />TOTAL 8927 8415 7783 8338 7123 7748 13211 20987 18417 18567 17132 15516 <br />MEAN 288 281 251 269 246 250 440 677 614 599 553 517 <br />AC-FT 17710 16690 15440 16540 14130 15370 26200 41630 36530 36830 33980 30780 <br />MAX 451 318 321 348 258 287 725 800 765 695 690 770 <br />MIN 149 228 214 226 231 218 231 530 338 443 365 325 <br /> <br />CAL YR 1991 TOTAL 147836 MEAN 405 MAX 912 MIN 149 AC-FT 293200 <br />WTR YR 1992 TOTAL 152164 MEAN 416 MAX 800 MIN 149 AC-FT 301800 <br /> <br />MAX DISCH 866 CFS AT 2045 24-AUG-1992 GH 3.59 FT. SHIFT 0.02 FT. MAX GH 3.59 FT. AT 2045 <br />24-AUG-1992 <br />