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13 <br />PLATTE RIVER BASIN <br /> <br />06701500 SOUTH PLATTE RIVER BELOW CHEESMAN LAKE, CO <br /> <br />LOCATION.--Lat 39°12'33", long 105°16'02", in SE¼NW¼ sec.6, T.10 S., R.70 W., Jefferson County, Hydrologic Unit <br />10190002, on left bank 1,400 ft downstream from toe of Cheesman Dam and 3.8 mi southwest of Deckers. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--1,752 mi². Oct.1, 1924-May 13, 1956 at site 370 feet upstream and 0.50 ft. <br />higher. May 14, 1956 to present at current site. Unreliable record from 1909 to 1924 unpublished. <br /> <br />GAGE.--Water-stage recorder with satellite telemetry in a wooden shelter at a 30 ft Parshall flume. Datum of <br />gage is 6,609 ft. Station is owned and maintained by the Denver Water Dept. Satellite telemetry is <br />maintained by the U.S. Army Corps of Engineers and the USGS. <br /> <br />REMARKS.--The primary record is hourly data taken from satellite monitoring with chart back up. Satellite data <br />agreed with the recorder data within ±0.02 foot. The record is reliable and complete. Missing DCP data <br />were filled in using the chart data on 10/9-10/10/05, 1/17-1/18/06, 8/15/06, and 9/15/06 without loss of <br />accuracy. Shaft encoder corrections ranging from -.02 to +.01 were also applied as datum corrections on <br />12/2/05, 12/22/05, 1/6/06, 3/15/06 and 3/29/06. The record is considered good. Station maintained and <br />record developed by Steve Barrett. <br /> <br />RATING TABLE.--PLACHECO11 USED FROM 01-OCT-2005 TO 30-SEP-2006 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2005 TO SEPTEMBER 2006 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 98 45 78 98 53 211 156 224 53 233 244 340 <br /> 2 98 45 64 98 53 207 156 223 62 231 288 340 <br /> 3 99 45 51 98 53 189 158 223 83 243 308 340 <br /> 4 99 45 51 98 53 166 158 223 99 255 303 292 <br /> 5 99 45 67 112 54 166 160 171 99 295 277 262 <br /> 6 116 45 79 137 54 166 160 126 99 337 315 288 <br /> 7 154 45 79 146 54 128 160 99 99 317 370 356 <br /> 8 154 45 79 146 67 109 162 79 122 335 379 342 <br /> 9 155 45 97 164 96 79 162 79 254 380 371 215 <br /> 10 104 45 110 177 117 59 162 79 320 469 367 150 <br /> 11 48 45 110 155 117 59 162 64 323 473 344 184 <br /> 12 44 45 111 122 117 59 162 53 304 404 328 208 <br /> 13 44 45 113 122 128 59 162 53 276 361 337 263 <br /> 14 44 45 113 122 140 102 162 53 254 309 363 305 <br /> 15 44 45 137 122 140 146 162 53 220 274 374 346 <br /> 16 44 45 186 121 142 146 160 53 204 256 346 377 <br /> 17 45 44 207 120 151 146 135 53 208 247 338 377 <br /> 18 45 44 207 120 160 146 117 53 211 261 332 376 <br /> 19 45 44 161 120 160 146 116 51 214 272 330 374 <br /> 20 44 44 121 120 160 146 116 51 215 283 325 374 <br /> 21 44 39 96 107 160 117 117 51 223 291 314 373 <br /> 22 44 39 66 100 143 98 115 52 234 294 301 337 <br /> 23 44 38 53 100 122 98 115 51 238 286 289 319 <br /> 24 44 38 54 101 142 114 115 51 236 274 316 317 <br /> 25 44 38 54 90 164 138 96 52 216 282 317 317 <br /> 26 45 38 54 73 187 138 68 52 252 317 313 316 <br /> 27 45 38 53 73 214 138 69 52 275 317 326 363 <br /> 28 45 38 53 73 214 155 136 53 270 306 315 395 <br /> 29 45 60 53 73 --- 186 225 53 259 281 324 479 <br /> 30 45 75 79 73 --- 200 225 53 244 261 342 552 <br /> 31 45 --- 99 61 --- 184 --- 53 --- 244 341 --- <br /> <br />TOTAL 2113 1337 2935 3442 3415 4201 4329 2636 6167 9388 10137 9877 <br />MEAN 68.2 44.6 94.7 111 122 136 144 85.0 206 303 327 329 <br />AC-FT 4190 2650 5820 6830 6770 8330 8590 5230 12230 18620 20110 19590 <br />MAX 155 75 207 177 214 211 225 224 323 473 379 552 <br />MIN 44 38 51 61 53 59 68 51 53 231 244 150 <br /> <br />CAL YR 2005 TOTAL 55416 MEAN 151 MAX 466 MIN 38 AC-FT 109900 <br />WTR YR 2006 TOTAL 59977 MEAN 164 MAX 552 MIN 38 AC-FT 119000 <br /> <br />MAX DISCH: 554 CFS AT 13:00 ON Sep. 29, 2006 GH 2.74 FT. SHIFT 0 FT. <br />MAX GH: 2.74 FT. AT 13:00 ON Sep. 29, 2006 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br />