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27 <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. Diverts flow from <br />South Boulder Creek and transmountain diversions from Moffat Tunnel. <br /> <br />DRAINAGE AREA.--N/A <br /> <br />GAGE.--Graphic water-stage recorder with satellite telemetry at 25' Parshall flume with supplemental <br />outside staff. The DCP is the primary record with chart backup. Station is owned and maintained by <br />Denver Water Board personnel. <br /> <br />REMARKS.--Record is complete and reliable except for the following period: Aug. 31; Sep. 1, 1994 when DCP <br />was not functioning and clock problem with chart record. Record was affected by ice on the control <br />Jan. 30-31; Feb. 1-2, 8-9, 12-13, 20, 1994. Graphic chart record was used on Sep. 27-30, 1994. <br />Record is good. Records developed by Fred H. Renner. <br /> <br />RATING TABLE.--BOCBGRCO02 USED FROM 01-OCT-1993 TO 30-SEP-1994 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 <br />MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 36 22 86 11 6.2 11 21 116 439 324 29 245 <br /> 2 46 22 86 11 6.2 11 21 172 508 319 108 245 <br /> 3 46 22 86 11 6.2 11 21 226 453 319 200 244 <br /> 4 46 22 86 11 6.2 11 21 301 411 299 254 119 <br /> 5 42 22 86 11 6.2 11 21 333 411 276 266 50 <br /> 6 40 22 87 11 6.2 11 21 338 412 269 266 25 <br /> 7 21 22 86 11 6.5 11 21 341 386 266 265 10 <br /> 8 10 33 86 11 4.0 11 21 340 416 226 265 10 <br /> 9 10 76 86 10 3.6 11 21 370 468 205 270 10 <br /> 10 10 96 86 8.8 3.6 11 21 397 501 205 268 10 <br /> 11 10 96 103 7.6 3.8 11 21 405 508 205 266 10 <br /> 12 10 96 128 7.3 3.8 11 21 398 487 98 266 10 <br /> 13 10 96 153 7.4 3.6 11 21 305 476 44 266 10 <br /> 14 10 96 196 7.3 3.6 11 21 215 459 41 87 10 <br /> 15 10 96 211 7.2 3.6 11 30 215 449 101 25 10 <br /> 16 10 96 28 7.5 3.6 11 35 214 482 113 21 10 <br /> 17 11 96 11 7.4 3.6 11 35 268 500 113 19 63 <br /> 18 10 96 11 7.2 3.6 15 37 298 449 159 19 119 <br /> 19 10 96 11 6.8 3.6 18 39 301 364 235 64 136 <br /> 20 10 96 11 7.1 3.6 18 40 365 364 258 95 168 <br /> 21 10 96 11 7.0 3.8 20 52 467 346 257 127 186 <br /> 22 10 89 11 6.8 3.9 21 71 503 317 256 181 186 <br /> 23 10 86 11 7.1 9.1 21 77 503 307 281 200 185 <br /> 24 10 98 11 7.0 8.2 21 77 555 347 294 199 185 <br /> 25 11 110 11 7.1 8.4 21 77 581 403 275 199 185 <br /> 26 17 110 11 7.2 8.4 21 103 569 405 263 198 185 <br /> 27 21 110 11 7.2 8.4 21 118 554 382 262 232 185 <br /> 28 21 110 11 7.2 10 21 118 436 370 262 249 185 <br /> 29 22 95 11 7.2 --- 21 117 379 369 262 248 185 <br /> 30 22 87 11 7.2 --- 21 116 379 346 261 247 185 <br /> 31 22 --- 11 7.2 --- 21 --- 393 --- 87 247 --- <br /> <br /> TOTAL 584 2310 1845 257.8 151.5 468 1436 11237 12535 6835 5646 3366 <br /> MEAN 18.8 77.0 59.5 8.32 5.41 15.1 47.9 362 418 220 182 112 <br /> AC-FT 1160 4580 3660 511 301 928 2850 22290 24860 13560 11200 6680 <br /> MAX 46 110 211 11 10 21 118 581 508 324 270 245 <br /> MIN 10 22 11 6.8 3.6 11 21 116 307 41 19 10 <br /> <br /> CAL YR 1993 TOTAL 39453.4 MEAN 108 MAX 500 MIN 6.1 AC-FT 78260 <br /> WTR YR 1994 TOTAL 46671.3 MEAN 128 MAX 581 MIN 3.6 AC-FT 92570 <br /> <br /> MAX DISCH 585 CFS AT 1400 24-MAY-1994 GH 3.12 FT. SHIFT 0.00 FT. MAX GH 3.12 FT. AT 1400 24-MAY-1994 <br /> <br />0 <br />100 <br />200 <br />300 <br />400 <br />500 <br />600 <br />OctNovDecJanFebMarAprMayJunJulAugSep