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83 PLATTE RIVER BASIN 06729450 SOUTH BOULDER CREEK BELOW GROSS RESERVOIR NEAR COAL CREEK, CO (1986) LOCATION. - -Lat 39 °56'19 ", long 105 °20'55 ", SW% sec. 21, T.1 S., R.71 W., Boulder County. Diverts flow from South Boulder Creek and transmountain diversions from Moffat Tunnel. DRAINAGE AREA.--N /A GAGE. -- Graphic water -stage recorder with satellite telemetry at 25' Parshall flume with supplemental outside staff. The DCP is the primary record with chart backup. Station is owned and maintained by Denver Water Board personnel. RATING TABLE.-- BOCBGRC002 USED FROM 01 -OCT -1985 TO 30 -SEP -1986 DISCHARGE, IN CPS, WATER YEAR OCTOBER 1985 TO SEPTEMBER 1986 MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 146 69 84 12 89 110 72 164 408 492 337 276 2 137 69 84 12 89 110 81 177 408 514 349 276 3 110 69 84 12 89 110 101 177 410 486 349 238 4 96 69 84 12 89 110 109 177 402 453 349 217 5 96 69 84 12 89 106 93 179 400 434 310 217 6 95 69 84 12 89 104 86 273 387 434 285 217 7 96 69 84 12 89 104 93 329 379 377 289 217 8 96 69 52 12 89 104 109 327 384 344 289 170 9 96 69 87 12 89 104 130 310 384 344 289 142 10 96 69 139 12 89 104 141 301 332 344 289 142 11 96 69 139 12 93 104 141 301 301 344 287 142 12 96 69 137 12 95 101 141 282 301 344 287 142 13 96 69 139 12 95 99 137 276 301 344 285 142 14 96 69 139 10 98 99 146 276 301 344 285 142 15 96 69 139 67 99 99 118 276 301 344 285 141 16 96 69 137 87 99 99 102 299 301 344 285 141 17 76 69 81 87 99 99 101 310 349 344 285 141 18 65 69 11 87 99 99 101 310 377 344 285 109 19 65 80 11 87 99 81 101 285 377 325 282 92 20 65 84 11 87 99 72 101 271 382 325 282 92 21 49 84 10 87 104 72 84 271 384 276 282 92 22 14 84 10 87 106 73 66 271 387 226 282 92 23 50 84 35 87 106 73 61 315 387 217 282 92 24 69 84 51 87 106 73 61 352 389 232 203 92 25 69 84 51 87 106 73 80 356 467 230 158 92 26 69 84 51 87 109 72 90 366 514 230 158 92 27 69 84 51 87 112 72 90 392 503 230 158 92 28 69 84 51 87 112 72 90 405 497 230 158 92 29 69 84 51 87 - -- 72 123 408 509 276 230 92 30 69 84 51 89 - -- 72 146 408 500 306 278 92 31 69 - -- 27 89 - -- 72 - -- 408 - -- 306 276 - -- TOTAL 2576 2246 2249 1629 2726 2814 3095 9252 11722 10383 8448 4316 MEAN 83.1 74.9 72.5 52.5 97.4 90.8 103 298 391 335 273 144 AC -FT 5110 4450 4460 3230 5410 5580 6140 18350 23250 20590 16760 8560 MAX 146 84 139 89 112 110 146 408 514 514 349 276 MIN 14 69 10 10 89 72 61 164 301 217 158 92 CAL YR 1985 TOTAL 65252.9 MEAN 179 MAX 486 MIN 5.0 AC -FT 129400 WTR YR 1986 TOTAL 61456 MEAN 168 MAX 514 MIN 10 AC -FT 121900 600 500 400 300 200 100 0 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep