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77 <br />PLATTE RIVER BASIN <br />06729450 SOUTH BOULDER CREEK BELOW GROSS RESERVOIR NEAR COAL CREEK, CO (1980) <br />LOCATION. - -Lat <br />39 °56'19 ", <br />long <br />105 °20'55 ", <br />SW% <br />sec. 21, <br />T.1 S., <br />R.71 W., Boulder <br />County. <br />Diverts <br />flow from <br />South Boulder <br />Creek and <br />transmountain diversions <br />from Moffat Tunnel. <br />DRAINAGE AREA.--N <br />/A <br />GAGE. -- <br />Graphic <br />water -stage <br />recorder at 25' <br />Parshall flume <br />with <br />supplemental <br />outside <br />staff. <br />Station <br />is owned <br />and maintained <br />by <br />Denver <br />Water Board personnel. <br />RATING <br />TABLE. -- <br />BOCBGRCO <br />USED <br />FROM 01 -OCT <br />-1979 <br />TO 30 -SEP <br />-1980 <br />DISCHARGE, IN CFS, WATER <br />YEAR OCTOBER 1979 <br />TO SEPTEMBER 1980 <br />MEAN VALUES <br />DAY <br />OCT <br />NOV <br />DEC <br />JAN <br />FEB <br />MAR <br />APR <br />MAY <br />JUN <br />JUL <br />AUG <br />SEP <br />1 <br />189 <br />107 <br />90 <br />13 <br />9.6 <br />12 <br />84 <br />37 <br />292 <br />582 <br />356 <br />144 <br />2 <br />185 <br />90 <br />90 <br />11 <br />9.6 <br />12 <br />84 <br />5.0 <br />292 <br />483 <br />356 <br />151 <br />3 <br />162 <br />80 <br />84 <br />9.6 <br />9.6 <br />12 <br />84 <br />3.6 <br />292 <br />374 <br />356 <br />157 <br />4 <br />148 <br />80 <br />81 <br />9.6 <br />9.6 <br />14 <br />84 <br />2.8 <br />292 <br />461 <br />327 <br />173 <br />5 <br />146 <br />80 <br />81 <br />9.6 <br />9.6 <br />15 <br />84 <br />2.4 <br />337 <br />537 <br />306 <br />185 <br />6 <br />144 <br />80 <br />81 <br />9.6 <br />9.0 <br />15 <br />84 <br />2.0 <br />395 <br />540 <br />306 <br />185 <br />7 <br />68 <br />84 <br />90 <br />9.6 <br />9.0 <br />15 <br />84 <br />2.0 <br />423 <br />532 <br />306 <br />201 <br />8 <br />5.6 <br />87 <br />95 <br />9.6 <br />9.0 <br />15 <br />84 <br />2.4 <br />431 <br />509 <br />303 <br />211 <br />9 <br />5.0 <br />92 <br />95 <br />9.6 <br />9.0 <br />15 <br />89 <br />2.0 <br />442 <br />475 <br />303 <br />166 <br />10 <br />5.0 <br />93 <br />95 <br />9.6 <br />9.0 <br />15 <br />92 <br />2.0 <br />467 <br />464 <br />303 <br />110 <br />11 <br />4.6 <br />93 <br />95 <br />9.6 <br />9.0 <br />15 <br />92 <br />2.0 <br />500 <br />397 <br />303 <br />79 <br />12 <br />6.6 <br />95 <br />95 <br />9.6 <br />9.0 <br />15 <br />92 <br />2.0 <br />543 <br />327 <br />301 <br />72 <br />13 <br />8.4 <br />95 <br />95 <br />9.6 <br />9.0 <br />15 <br />92 <br />2.0 <br />543 <br />322 <br />301 <br />72 <br />14 <br />8.4 <br />89 <br />95 <br />9.6 <br />9.0 <br />15 <br />92 <br />2.0 <br />564 <br />329 <br />299 <br />72 <br />15 <br />8.4 <br />128 <br />95 <br />9.6 <br />9.0 <br />15 <br />93 <br />2.0 <br />600 <br />366 <br />236 <br />70 <br />16 <br />8.4 <br />158 <br />95 <br />12 <br />9.0 <br />15 <br />120 <br />2.4 <br />640 <br />405 <br />172 <br />28 <br />17 <br />7.2 <br />158 <br />95 <br />12 <br />9.0 <br />15 <br />144 <br />3.6 <br />655 <br />405 <br />153 <br />62 <br />18 <br />7.2 <br />158 <br />90 <br />12 <br />9.0 <br />63 <br />144 <br />3.6 <br />655 <br />384 <br />179 <br />86 <br />19 <br />7.2 <br />158 <br />86 <br />12 <br />9.0 <br />80 <br />144 <br />4.6 <br />684 <br />372 <br />232 <br />102 <br />20 <br />7.2 <br />135 <br />30 <br />12 <br />9.0 <br />90 <br />144 <br />4.6 <br />700 <br />379 <br />247 <br />107 <br />21 <br />7.8 <br />120 <br />12 <br />12 <br />9.0 <br />87 <br />144 <br />4.6 <br />693 <br />397 <br />245 <br />107 <br />22 <br />7.8 <br />120 <br />14 <br />12 <br />9.0 <br />86 <br />173 <br />4.1 <br />655 <br />402 <br />247 <br />125 <br />23 <br />7.8 <br />118 <br />14 <br />12 <br />9.0 <br />86 <br />191 <br />4.1 <br />606 <br />402 <br />249 <br />135 <br />24 <br />7.8 <br />102 <br />14 <br />12 <br />9.0 <br />86 <br />120 <br />4.1 <br />597 <br />389 <br />234 <br />124 <br />25 <br />7.8 <br />90 <br />13 <br />12 <br />9.0 <br />86 <br />77 <br />4.1 <br />618 <br />372 <br />197 <br />137 <br />26 <br />9.6 <br />90 <br />13 <br />12 <br />9.0 <br />86 <br />77 <br />3.6 <br />646 <br />364 <br />181 <br />120 <br />27 <br />11 <br />90 <br />13 <br />12 <br />9.0 <br />84 <br />77 <br />24 <br />655 <br />352 <br />170 <br />110 <br />28 <br />11 <br />90 <br />13 <br />12 <br />11 <br />84 <br />77 <br />60 <br />637 <br />339 <br />151 <br />110 <br />29 <br />14 <br />90 <br />13 <br />11 <br />12 <br />84 <br />77 <br />135 <br />603 <br />349 <br />146 <br />142 <br />30 <br />19 <br />90 <br />13 <br />9.6 <br />- -- <br />84 <br />79 <br />175 <br />579 <br />359 <br />146 <br />162 <br />31 <br />79 <br />- -- <br />13 <br />9.6 <br />- -- <br />84 <br />- -- <br />243 <br />- -- <br />356 <br />146 <br />- -- <br />TOTAL <br />1313.8 <br />3140 <br />1898 <br />335.0 <br />269.0 <br />1415 <br />3102 <br />751.6 <br />16036 <br />12724 <br />7757 <br />3705 <br />MEAN <br />42.4 <br />105 <br />61.2 <br />10.8 <br />9.28 <br />45.6 <br />103 <br />24.2 <br />535 <br />410 <br />250 <br />124 <br />AC -FT <br />2610 <br />6230 <br />3760 <br />664 <br />534 <br />2810 <br />6150 <br />1490 <br />31810 <br />25240 <br />15390 <br />7350 <br />MAX <br />189 <br />158 <br />95 <br />13 <br />12 <br />90 <br />191 <br />243 <br />700 <br />582 <br />356 <br />211 <br />MIN <br />4.6 <br />80 <br />12 <br />9.6 <br />9.0 <br />12 <br />77 <br />2.0 <br />292 <br />322 <br />146 <br />28 <br />WTR YR <br />1980 TOTAL 52446.4 <br />MEAN <br />143 <br />MAX <br />700 <br />MIN <br />2.0 AC -FT <br />104000 <br />700 <br />600 <br />500 <br />400 <br />300 <br />200 <br />100 <br />0 <br />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />