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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 <br />10190002, on left bank at South Platte, 200 ft downstream from bridge on State Highway 75, and 400 <br />ft downstream from North Fork. <br /> <br />DRAINAGE AREA.--2,579 mi². <br /> <br />GAGE.--Graphic water-stage recorder with satellite telemetry in a new concrete shelter and CMP well. A new <br />cableway also installed. Satellite telemetry is maintained by the U. S. Army Corps of Engineers and <br />the USGS. <br /> <br />REMARKS.--The primary record is hourly satellite readings. The record is complete. Open water record is <br />reliable, and agrees with the chart record to within 0.02 ft. when encoder and pen corrections are <br />applied. Discharges were estimated for Dec. 17-27 and Jan. 6-26 when the stage discharge <br />relationship was ice affected. The Buffalo Creek flood still is creating residual problems. The <br />record is good for open water conditions, poor for estimated winter conditions. Station maintained <br />and record developed by Robert Cooper. <br /> <br />RATING TABLE.--PLASPLCO15 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 /> 1 442 199 196 252 255 233 259 513 896 1050 768 582 <br /> 2 627 229 203 253 250 230 268 314 973 992 732 595 <br /> 3 642 203 217 255 248 236 253 291 978 934 687 426 <br /> 4 315 200 258 249 241 232 310 284 1000 898 692 524 <br /> 5 387 175 268 230 248 223 375 308 1050 894 825 607 <br /> 6 389 217 260 226 248 230 340 480 1060 860 891 560 <br /> 7 392 205 244 232 225 254 337 520 1530 822 882 539 <br /> 8 327 226 248 277 225 252 344 538 1350 811 832 521 <br /> 9 294 271 250 256 226 250 365 544 1310 799 788 524 <br /> 10 290 269 252 256 223 250 446 491 1230 798 898 552 <br /> 11 360 264 250 228 226 254 359 523 1170 869 874 542 <br /> 12 412 250 251 223 225 263 344 537 1140 924 828 548 <br /> 13 488 243 249 287 228 261 353 525 1150 944 801 536 <br /> 14 497 242 246 267 221 239 363 556 1160 954 734 527 <br /> 15 525 231 233 270 225 234 439 559 1130 1040 675 513 <br /> 16 442 245 245 252 225 236 445 633 1130 1040 652 455 <br /> 17 327 225 197 264 192 245 464 788 1270 990 696 552 <br /> 18 225 253 202 281 172 244 489 870 1240 1040 661 630 <br /> 19 176 259 238 281 184 243 607 852 1240 1060 558 647 <br /> 20 156 235 280 278 228 276 636 866 1230 1060 539 588 <br /> 21 156 172 292 261 297 297 656 772 1150 1060 534 586 <br /> 22 200 140 287 244 233 259 593 859 1160 1090 523 529 <br /> 23 364 140 269 252 232 263 470 734 1160 1070 538 505 <br /> 24 362 209 270 232 229 272 575 744 1210 1000 567 444 <br /> 25 331 220 279 252 214 261 566 703 1250 1110 612 375 <br /> 26 410 199 289 255 242 255 510 676 1200 1090 723 381 <br /> 27 226 196 293 251 224 261 484 624 1180 1090 650 423 <br /> 28 163 186 273 251 229 262 433 597 1160 1160 536 466 <br /> 29 155 198 270 253 --- 265 537 656 1150 973 527 472 <br /> 30 175 206 271 249 --- 254 554 749 1100 729 552 512 <br /> 31 194 --- 270 253 --- 253 --- 767 --- 781 680 --- <br /> <br /> TOTAL 10449 6507 7850 7870 6415 7787 13174 18873 34957 29932 21455 15661 <br /> MEAN 337 217 253 254 229 251 439 609 1165 966 692 522 <br /> AC-FT 20730 12910 15570 15610 12720 15450 26130 37430 69340 59370 42560 31060 <br /> MAX 642 271 293 287 297 297 656 870 1530 1160 898 647 <br /> MIN 155 140 196 223 172 223 253 284 896 729 523 375 <br /> <br /> CAL YR 1996 TOTAL 165164 MEAN 451 MAX 1140 MIN 133 AC-FT 327600 <br /> WTR YR 1997 TOTAL 180930 MEAN 496 MAX 1530 MIN 140 AC-FT 358900 <br /> <br /> MAX DISCH 1639 CFS AT 0830 07-JUN-1997 GH 4.93 FT. SHIFT -0.06 FT. MAX GH 4.97 FT. AT 1730 31-AUG-1997 <br /> <br /> FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br />0 <br />500 <br />1000 <br />1500 <br />2000 <br />OctNovDecJanFebMarAprMayJunJulAugSep