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19 <br />PLATTE RIVER BASIN <br /> <br />06707501 SOUTH PLATTE RIVER BELOW STRONTIA SPRINGS RESERVOIR, CO <br /> <br />LOCATION.--Lat 39°26'00", long 105°07'30", SW¼SW¼ sec. 16, T.7 S., R.69 W., Douglas County, on right bank 1/4 mi <br />downstream from Strontia Springs Dam. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--2,596 mi²; 1983 to present. <br /> <br />GAGE.--Data Collection Platform (DCP), shaft encoder and a continuous chart recorder in a formed concrete shelter <br />and stilling well. The primary reference gage is a drop tape with adjustable reference point. A <br />supplemental outside staff gage is present. A cableway is used for high water measurement. The gage is <br />owned and operated by the Denver Water Department. <br /> <br />REMARKS.--Primary record is hourly averages of 15-minute satellite data. Chart data are used for backup. <br />Record is complete and reliable, except for Dec. 26, 2007 – Jan 5, 2008; Jan. 10-28, 31; Feb 3, 5-10; <br />and March 3 and 6, 2008, when ice affected the stage-discharge relationship. The record is good, except <br />for periods of ice affected record, which were estimated and are considered fair. Station maintained by <br />Jana Ash and Patrick Tyler and record developed by Jana Ash. <br /> <br />RATING TABLE.--PLASTRCO04 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 /> 1 128 74 136 186 145 159 174 853 347 786 248 144 <br /> 2 129 51 162 186 151 157 173 852 389 786 207 143 <br /> 3 131 32 195 186 154 158 174 834 471 795 161 143 <br /> 4 131 32 195 184 154 157 188 801 497 817 169 141 <br /> 5 131 33 189 184 154 157 198 719 576 833 175 139 <br /> 6 130 33 183 185 154 157 198 597 728 836 177 132 <br /> 7 131 33 219 181 154 137 198 579 756 818 202 130 <br /> 8 109 33 242 163 154 124 198 576 698 747 227 128 <br /> 9 96 34 241 152 154 123 198 576 675 691 226 110 <br /> 10 96 35 239 151 154 139 200 552 566 689 235 114 <br /> 11 96 34 238 150 157 156 195 486 496 633 254 131 <br /> 12 96 57 238 150 156 157 189 456 495 572 252 131 <br /> 13 96 70 203 150 153 158 189 458 467 530 251 131 <br /> 14 97 76 170 160 151 157 189 460 439 474 252 130 <br /> 15 167 87 160 170 169 155 190 461 394 442 254 131 <br /> 16 158 76 160 170 180 155 193 419 370 400 338 112 <br /> 17 48 70 160 170 178 156 192 328 370 377 848 100 <br /> 18 38 70 160 151 180 164 229 289 344 378 983 97 <br /> 19 31 70 160 139 153 174 275 289 330 381 870 97 <br /> 20 33 124 160 142 136 174 290 270 397 380 702 99 <br /> 21 35 170 185 145 136 174 350 260 442 346 462 98 <br /> 22 35 170 201 175 135 175 384 363 440 327 307 97 <br /> 23 34 167 199 201 133 175 320 466 440 321 268 84 <br /> 24 34 167 198 201 132 174 278 466 437 397 270 70 <br /> 25 34 167 199 201 131 175 277 405 435 544 270 68 <br /> 26 35 145 198 201 131 175 332 375 438 664 271 68 <br /> 27 37 103 198 201 131 175 442 404 494 685 271 68 <br /> 28 35 81 194 200 132 189 495 537 545 573 241 68 <br /> 29 50 105 186 199 150 178 646 537 646 445 138 48 <br /> 30 75 127 186 168 --- 175 811 413 787 400 75 35 <br /> 31 75 --- 186 152 --- 173 --- 346 --- 298 114 --- <br /> <br />TOTAL 2551 2526 5940 5354 4352 5012 8365 15427 14909 17365 9718 3187 <br />MEAN 82.3 84.2 192 173 150 162 279 498 497 560 313 106 <br />AC-FT 5060 5010 11780 10620 8630 9940 16590 30600 29570 34440 19280 6320 <br />MAX 167 170 242 201 180 189 811 853 787 836 983 144 <br />MIN 31 32 136 139 131 123 173 260 330 298 75 35 <br /> <br />CAL YR 2007 TOTAL 151321 MEAN 415 MAX 1820 MIN 27 AC-FT 300100 <br />WTR YR 2008 TOTAL 94706 MEAN 259 MAX 983 MIN 31 AC-FT 187800 <br /> <br />MAX DISCH: 1150 CFS AT 10:15 ON Jul. 3, 2008 GH 5.41 FT. SHIFT 0 FT. <br />MAX GH: 5.41 FT. AT 10:15 ON Jul. 3, 2008 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br /> <br /> <br /> <br />