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6 <br /> <br />PLATTE RIVER BASIN <br /> <br />06706000 NORTH FORK SOUTH PLATTE RIVER BELOW GENEVA CREEK, AT GRANT, CO <br /> <br />LOCATION.--Lat 39°27'26", long 105°39'29" in NW¼ sec. 10, T.7 S., R.74 W., Park County, Hydrologic Unit <br />10190002, on left bank at Grant, 1,550 ft downstream from Geneva Creek, and 1.3 mi downstream from <br />east portal of Harold D. Roberts tunnel. <br /> <br />DRAINAGE AREA.--127 mi². <br /> <br />GAGE.--Water-stage recorder with satellite telemetry in a wooden shelter at a concrete control section. <br />Station is owned and maintained by the Denver Water Dept. Satellite telemetry is maintained by the <br />U.S. Army Corps of Engineers and the USGS. <br /> <br />REMARKS.--The primary record is taken from the hourly satellite data and is complete. The record is <br />reliable except for Mar. 8-11, 14, 25-26, 28, 30-31; Apr. 3, 5-8, 1997 when ice accumulated on the <br />control. Daily mean gage heights agreed to within 0.02 ft with the chart data. Record is good. <br />Record developed by Robert Cooper. <br /> <br />RATING TABLE.--PLAGRACO11 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 /> 1 326 107 113 105 105 27 30 125 381 303 153 145 <br /> 2 429 110 113 106 105 26 30 40 427 285 153 124 <br /> 3 280 90 108 106 104 26 36 42 441 272 143 172 <br /> 4 209 90 110 107 104 25 33 47 477 260 164 179 <br /> 5 255 116 112 107 104 24 32 107 492 252 168 118 <br /> 6 254 130 114 108 105 25 32 180 472 240 172 75 <br /> 7 168 121 114 108 106 22 32 191 574 232 189 76 <br /> 8 38 127 114 108 104 19 33 200 560 240 160 71 <br /> 9 37 135 114 108 104 18 133 139 529 225 163 69 <br /> 10 93 135 114 108 104 18 90 112 495 272 221 68 <br /> 11 197 126 114 108 104 18 47 132 482 383 179 69 <br /> 12 289 112 114 108 104 18 52 127 456 430 162 68 <br /> 13 300 110 113 108 104 19 60 130 496 471 150 63 <br /> 14 305 109 111 108 103 21 122 157 492 519 140 61 <br /> 15 305 125 114 108 103 21 147 168 469 626 126 60 <br /> 16 258 127 110 107 78 24 160 214 458 562 116 110 <br /> 17 127 134 104 106 45 26 166 257 463 647 114 208 <br /> 18 64 141 104 106 37 26 196 280 475 648 118 258 <br /> 19 45 137 105 106 45 65 236 285 510 650 105 280 <br /> 20 43 98 105 105 85 113 244 285 518 642 99 290 <br /> 21 41 42 105 105 44 66 234 268 491 651 98 280 <br /> 22 154 42 105 105 28 37 171 303 488 660 94 253 <br /> 23 246 93 105 105 29 41 179 290 478 483 89 215 <br /> 24 223 122 105 105 28 43 256 310 452 625 87 98 <br /> 25 240 115 105 105 28 33 261 288 402 636 96 56 <br /> 26 187 110 106 105 28 33 259 278 381 634 94 55 <br /> 27 36 110 108 105 28 42 256 249 365 641 91 58 <br /> 28 35 108 106 104 27 36 185 236 352 614 95 56 <br /> 29 54 110 107 105 --- 38 266 248 338 253 117 77 <br /> 30 74 112 108 105 --- 34 264 266 318 167 175 108 <br /> 31 74 --- 108 105 --- 34 --- 315 --- 205 189 --- <br /> <br /> TOTAL 5386 3344 3388 3295 2093 1018 4242 6269 13732 13728 4220 3820 <br /> MEAN 174 111 109 106 74.8 32.8 141 202 458 443 136 127 <br /> AC-FT 10680 6630 6720 6540 4150 2020 8410 12430 27240 27230 8370 7580 <br /> MAX 429 141 114 108 106 113 266 315 574 660 221 290 <br /> MIN 35 42 104 104 27 18 30 40 318 167 87 55 <br /> <br /> CAL YR 1996 TOTAL 54298 MEAN 148 MAX 677 MIN 25 AC-FT 107700 <br /> WTR YR 1997 TOTAL 64535 MEAN 177 MAX 660 MIN 18 AC-FT 128000 <br /> <br /> MAX DISCH 691 CFS AT 1600 28-JUL-1997 GH 1.98 FT. SHIFT 0.01 FT. MAX GH 1.98 FT. AT 1600 28-JUL-1997 <br /> <br /> FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br />0 <br />100 <br />200 <br />300 <br />400 <br />500 <br />600 <br />700 <br />OctNovDecJanFebMarAprMayJunJulAugSep