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<br /> <br />PLATTE RIVER BASIN <br /> <br />06729450 SOUTH BOULDER CREEK BELOW GROSS RESERVOIR NEAR COAL CREEK, CO <br /> <br />LOCATION.--Lat 39°56'19", long 105°20'55", SW¼ sec. 21, T.1 S., R.71 W., Boulder County. Measures releases <br />from Gross Reservoir; which is filled by South Boulder Creek and transmountain diversions from <br />Moffat Tunnel. <br /> <br />DRAINAGE AREA.--N/A <br /> <br />GAGE.--Graphic water stage recorder and satellite monitoring DCP with shaft encoder in timber shelter and <br />concrete well at 25' Parshall flume with supplemental outside staff.. The primary reference is an <br />electric tape gage. The DCP, updated to high data rate in 2002, is the primary record with chart <br />backup. Station is owned and maintained by Denver Water Board personnel. <br /> <br />REMARKS.--Primary record is hourly DCP data with chart back up. The record is complete and reliable. The <br />record is good. Record developed by M. L. Cunning. <br /> <br />RATING TABLE.--STD25FTPF USED FROM 01-OCT-2002 TO 03-OCT-2003 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 79 5 12 6.1 81 8.4 31 214 681 481 200 99 <br /> 2 85 5.1 12 6.1 81 8.4 31 225 686 509 230 25 <br /> 3 89 5.2 12 6.1 81 8.4 38 225 609 525 219 32 <br /> 4 90 5.5 12 6.1 81 8.4 46 225 534 535 213 38 <br /> 5 90 6.6 12 6.2 127 8.4 49 225 494 522 173 40 <br /> 6 90 7.8 12 6.3 157 8.4 49 165 415 517 146 40 <br /> 7 90 7.8 12 6.1 156 8.4 49 124 281 506 146 40 <br /> 8 90 7.8 12 6.1 156 8.4 42 167 215 492 130 40 <br /> 9 90 7.8 10 6.1 156 8.4 46 189 248 458 121 40 <br /> 10 45 7.8 9.7 6.1 68 8.4 82 189 276 431 116 144 <br /> 11 13 7.9 9.7 6.1 6.6 8.4 120 189 310 411 94 193 <br /> 12 13 7.8 9.7 6.1 6.6 8.4 124 189 372 368 79 193 <br /> 13 13 9.3 9.7 5.9 6.6 9.9 124 189 473 345 77 193 <br /> 14 12 10 9.7 5.6 6.8 12 138 198 530 307 77 192 <br /> 15 10 11 9.7 5.6 7.2 13 164 213 531 223 77 191 <br /> 16 9.7 9.7 9.7 5.6 7.1 13 176 221 479 181 136 192 <br /> 17 9.7 10 9.9 5.6 6.9 13 177 221 469 226 181 193 <br /> 18 9.7 11 8.7 5.6 7.2 14 177 223 513 292 182 193 <br /> 19 9.7 12 7.8 5.6 6.8 13 177 238 459 299 181 193 <br /> 20 9.1 12 7.8 5.6 6.6 13 177 300 410 292 181 193 <br /> 21 9 12 7.8 5 6.8 14 164 352 390 292 181 194 <br /> 22 9 12 7.8 4.8 7 14 149 396 378 292 181 194 <br /> 23 9 12 6.9 4.5 6.8 14 145 477 396 283 181 194 <br /> 24 9 12 6.3 4.6 6.6 18 148 559 413 278 181 194 <br /> 25 9 12 6.1 4.6 6.3 25 147 577 419 259 181 193 <br /> 26 9 12 6.1 4.6 6.6 28 147 621 409 247 180 144 <br /> 27 9.3 12 6.1 4.5 6.7 28 147 656 407 248 182 113 <br /> 28 7.3 12 6.1 4.9 7.6 28 179 649 412 291 183 113 <br /> 29 5.3 12 6.1 6 --- 28 199 678 412 186 182 113 <br /> 30 4.9 12 6.1 7.3 --- 28 199 718 416 54 182 60 <br /> 31 5 --- 6.1 64 --- 29 --- 678 --- 116 181 --- <br /> <br />TOTAL 1032.7 287.1 279.6 233.4 1266.8 455.7 3641 10490 13037 10466 4954 3976 <br />MEAN 33.3 9.6 9 7.5 45.2 14.7 121 338 435 338 160 133 <br />AC-FT 2050 569 555 463 2510 904 7220 20810 25860 20760 9830 7890 <br />MAX 90 12 12 64 157 29 199 718 686 535 230 194 <br />MIN 4.9 5 6.1 4.5 6.3 8.4 31 124 215 54 77 25 <br /> <br />WTR YR 2003 TOTAL 50119.3 MEAN 137 MAX 718 MIN 4.5 AC-FT 99410 <br /> <br />MAX DISCH: 775 CFS AT 15:30 ON May. 30, 2003 GH 3.72 FT. SHIFT 0 FT. <br />MAX GH: 3.72 FT. AT 15:30 ON May. 30, 2003 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br /> <br />0 <br />200 <br />400 <br />600 <br />800 <br />OctNovDecJanFebMarAprMayJunJulAugSep