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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 and 0.4 mi downstream from <br />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.--The shelter is 72 inch by 72 inch precast concrete structure with a 48 inch corrugated steel well. The <br />station uses an electric drop tape, Sutron 8210 satellite telemetry with a phone modem interface (303- <br />297-9505), a continuous chart recorder and a supplemental outside wire weight. A city water line is <br />plumbed to the gage for flushing the inlets. The gage and chart recorder are maintained by DWR. The <br />USGS Lakewood Field Office maintains the satellite equipment and phone interface for the USCOE. <br /> <br />REMARKS.--The primary record is fifteen minute data taken from satellite monitoring with chart backup. Daily <br />maximum & minimum stages for the satellite record checked to within ±0.02 with the chart. The record is <br />complete and reliable. The record is considered good, except for April 26-May 26, which are fair due to <br />lack of confirming measurements above 574 cfs since 1999, and the possible inaccuracies with flows being <br />too fast for the 50-lb weight bridge measurement and too shallow for the 75-lb weight. The yearly peak <br />flow recorded on August 4 is also considered fair. Station maintained and record developed by Jana Ash. <br /> <br />RATING TABLE.--PLADENCO33 USED FROM 01-OCT-2004 TO 30-SEP-2005 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 326 350 148 134 171 123 204 1320 1210 338 117 150 <br /> 2 217 208 154 132 136 114 176 1040 1030 195 132 151 <br /> 3 180 173 161 133 135 116 178 773 1230 242 238 147 <br /> 4 180 166 165 130 148 115 181 1030 1270 188 2220 164 <br /> 5 168 159 173 145 149 108 267 1170 734 149 679 169 <br /> 6 933 160 164 148 149 106 354 1040 543 134 621 175 <br /> 7 331 166 168 138 146 108 449 844 484 138 346 186 <br /> 8 238 164 173 149 141 113 326 838 464 199 205 141 <br /> 9 218 253 168 154 141 121 359 895 452 242 244 148 <br /> 10 213 313 166 153 138 88 626 1030 942 237 317 168 <br /> 11 207 264 166 147 138 83 978 1130 954 164 294 163 <br /> 12 205 219 168 173 141 115 554 1190 1170 123 364 171 <br /> 13 695 220 167 164 144 244 477 1250 876 112 362 165 <br /> 14 313 215 164 154 150 174 421 1000 739 146 477 227 <br /> 15 292 220 164 145 148 164 445 1000 536 147 383 170 <br /> 16 250 270 178 142 146 138 495 875 354 172 350 122 <br /> 17 236 212 165 146 132 130 492 699 281 119 237 113 <br /> 18 231 212 158 160 129 125 489 677 309 137 161 108 <br /> 19 225 193 157 179 132 109 658 659 340 170 195 106 <br /> 20 222 233 160 179 136 110 741 657 403 171 265 103 <br /> 21 224 220 144 168 134 204 715 672 478 127 303 99 <br /> 22 212 207 139 153 129 128 718 610 456 124 279 99 <br /> 23 189 205 140 149 126 140 567 669 428 110 312 119 <br /> 24 186 190 132 145 122 217 667 994 444 169 373 110 <br /> 25 194 179 138 127 135 223 1320 910 455 263 316 110 <br /> 26 174 171 149 124 131 158 1060 492 551 436 272 109 <br /> 27 161 156 147 124 130 133 1190 415 533 411 290 109 <br /> 28 157 155 146 122 131 120 1030 658 420 322 283 156 <br /> 29 167 162 145 127 --- 127 1040 688 363 227 264 133 <br /> 30 161 154 142 156 --- 163 1400 803 323 174 212 157 <br /> 31 173 --- 136 242 --- 244 --- 1210 --- 127 181 --- <br /> <br />TOTAL 7878 6169 4845 4642 3888 4361 18577 27238 18772 6013 11292 4248 <br />MEAN 254 206 156 150 139 141 619 879 626 194 364 142 <br />AC-FT 15630 12240 9610 9210 7710 8650 36850 54030 37230 11930 22400 8430 <br />MAX 933 350 178 242 171 244 1400 1320 1270 436 2220 227 <br />MIN 157 154 132 122 122 83 176 415 281 110 117 99 <br /> <br />CAL YR 2004 TOTAL 92282 MEAN 251 MAX 1890 MIN 62 AC-FT 183060 <br />WTR YR 2005 TOTAL 117923 MEAN 323 MAX 2220 MIN 83 AC-FT 233900 <br /> <br />MAX DISCH: 4980 CFS AT 06:10 ON Aug. 4, 2005 GH 8.16 FT. SHIFT 0.02 FT. <br />MAX GH: 8.16 FT. AT 06:10 ON Aug. 4, 2005 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD.