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29 <br />PLATTE RIVER BASIN <br /> <br />06714000 SOUTH PLATTE RIVER AT DENVER, CO <br /> <br />LOCATION.--Lat 39°45'35", long 105°00'10", in NW¼SE¼ sec. 28, T.3 S., R.68 W., Denver County, Hydrologic Unit <br />10190003, on right bank 90 ft Upstream from Nineteenth Street Bridge in Denver CO and 0.4 mi downstream <br />from mouth of Cherry Creek. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--3,861 mi². May 1889 to Oct. 1890 sporadic record. July 1895 to current <br />year continuous. Monthly data only for some periods. <br /> <br />GAGE.--Data Collection Platform (DCP), with telephone modem, shaft encoder and a continuous chart recorder in a <br />72-inch by 72-inch precast concrete structure with a 48-inch corrugated steel well at a grouted rock <br />grade control structure. The primary reference gage is an electric tape gage with a supplemental <br />outside wire weight. A city water line is plumbed to the gage for flushing the inlets. <br /> <br />REMARKS.--The primary record is hourly averages of 15-minute satellite data with chart backup. Daily maximum <br />and minimum stages for the satellite record were within ±0.02 ft of the chart record. The record is <br />complete and reliable. The record is considered good. Station maintained by Jana Ash and Patrick <br />Tyler and record developed by Jana Ash. <br /> <br />RATING TABLE.--PLADENCO33 USED FROM 01-Oct-2007 TO 30-Sept-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 /> 1 233 139 180 123 147 145 155 544 496 486 294 360 <br /> 2 272 138 199 123 141 238 164 463 427 445 287 263 <br /> 3 255 138 199 127 133 204 158 358 512 463 178 257 <br /> 4 190 138 147 159 126 239 144 340 572 561 182 218 <br /> 5 188 141 132 229 202 328 138 328 891 617 308 209 <br /> 6 181 182 171 192 244 442 136 237 604 634 363 215 <br /> 7 188 177 214 151 248 475 154 785 448 690 381 211 <br /> 8 196 174 238 148 217 279 140 334 425 677 961 212 <br /> 9 201 195 246 143 201 272 163 411 388 674 556 161 <br /> 10 244 194 245 138 189 298 475 595 375 636 338 121 <br /> 11 237 192 223 132 186 382 334 426 413 614 230 217 <br /> 12 236 196 242 180 179 371 231 414 409 529 320 1080 <br /> 13 273 192 221 191 211 380 218 749 395 450 362 384 <br /> 14 509 195 205 193 236 404 215 406 387 362 324 351 <br /> 15 382 195 192 214 234 308 223 612 377 180 990 277 <br /> 16 175 199 195 216 221 318 298 525 379 155 1870 233 <br /> 17 154 200 196 187 220 353 368 404 350 116 755 214 <br /> 18 156 203 139 148 215 293 315 382 269 316 305 185 <br /> 19 158 206 126 135 213 313 321 398 248 511 497 171 <br /> 20 155 133 133 129 205 194 329 532 260 487 454 161 <br /> 21 485 267 141 127 172 177 367 552 402 482 423 162 <br /> 22 252 274 140 123 163 173 468 627 427 428 221 161 <br /> 23 195 261 138 121 180 176 565 618 500 321 197 153 <br /> 24 184 198 137 116 186 159 586 454 579 269 192 145 <br /> 25 178 192 139 118 195 159 625 413 535 240 191 133 <br /> 26 168 140 131 121 202 148 544 363 556 261 373 126 <br /> 27 166 133 135 129 179 143 546 459 548 350 415 120 <br /> 28 164 144 134 139 155 173 522 432 443 378 355 117 <br /> 29 158 134 126 131 141 159 432 467 422 444 254 113 <br /> 30 152 132 127 129 --- 157 323 491 496 443 264 114 <br /> 31 150 --- 130 132 --- 171 --- 514 --- 419 353 --- <br /> <br />TOTAL 6835 5402 5321 4644 5541 8031 9657 14633 13533 13638 13193 6844 <br />MEAN 220 180 172 150 191 259 322 472 451 440 426 228 <br />AC-FT 13560 10710 10550 9210 10990 15930 19150 29020 26840 27050 26170 13580 <br />MAX 509 274 246 229 248 475 625 785 891 690 1870 1080 <br />MIN 150 132 126 116 126 143 136 237 248 116 178 113 <br /> <br />CAL YR 2007 TOTAL 248900 MEAN 682 MAX 3610 MIN 119 AC-FT 493800 <br />WTR YR 2008 TOTAL 107272 MEAN 293 MAX 1870 MIN 113 AC-FT 212800 <br /> <br />MAX DISCH: 5880 CFS AT 22:15 ON Aug. 8, 2008 GH 8.52 FT. SHIFT 0.07 FT. <br />MAX GH: 8.52 FT. AT 22:15 ON Aug. 8, 2008 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br />