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74 <br />PLATTE RIVER BASIN <br />06725500 MIDDLE BOULDER CREEK AT NEDERLAND, CO (1986) <br />LOCATION. - -Lat <br />39 °57'42 ", <br />long <br />105 °30'14 ", in <br />NE'4SE'4 sec. <br />13, <br />T.1 S., R.73 W., <br />Boulder <br />County, <br />Hydrologic <br />Unit 10190005, <br />on <br />left bank <br />at Nederland just downstream <br />from North <br />Beaver <br />Creek and <br />1,000 <br />ft upstream <br />from Barker <br />Reservoir. <br />DRAINAGE AREA.- <br />-36.2 mi'. <br />GAGE. -- <br />Water -stage recorder <br />in <br />timber <br />shelter <br />and concrete <br />well <br />at a compound <br />sharp- crested <br />weir. Graphic <br />chart is <br />primary record. <br />RATING <br />TABLE.-- <br />BOCMIDC007 <br />USED <br />FROM 01 -OCT <br />-1985 <br />TO 30 -SEP -1986 <br />DISCHARGE, IN <br />CFS, WATER YEAR OCTOBER 1985 TO SEPTEMBER <br />1986 <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 />22 <br />14 <br />10 <br />7.3 <br />5.7 <br />6.0 <br />71 <br />80 <br />225 <br />192 <br />69 <br />40 <br />2 <br />21 <br />13 <br />10 <br />7.1 <br />5.5 <br />6.1 <br />72 <br />93 <br />234 <br />190 <br />68 <br />36 <br />3 <br />22 <br />17 <br />9.0 <br />6.5 <br />5.5 <br />6.1 <br />72 <br />106 <br />259 <br />183 <br />68 <br />34 <br />4 <br />20 <br />16 <br />9.0 <br />6.5 <br />5.5 <br />6.5 <br />70 <br />134 <br />289 <br />220 <br />62 <br />32 <br />5 <br />17 <br />13 <br />9.0 <br />6.1 <br />5.3 <br />6.1 <br />40 <br />139 <br />315 <br />262 <br />59 <br />32 <br />6 <br />17 <br />12 <br />9.0 <br />6.1 <br />5.3 <br />6.3 <br />28 <br />118 <br />341 <br />254 <br />57 <br />30 <br />7 <br />23 <br />13 <br />8.5 <br />6.1 <br />5.3 <br />6.3 <br />29 <br />97 <br />346 <br />213 <br />58 <br />34 <br />8 <br />24 <br />13 <br />8.5 <br />6.5 <br />5.3 <br />6.7 <br />28 <br />88 <br />328 <br />187 <br />56 <br />53 <br />9 <br />24 <br />13 <br />8.5 <br />6.5 <br />5.3 <br />6.9 <br />28 <br />72 <br />320 <br />171 <br />62 <br />39 <br />10 <br />25 <br />13 <br />8.5 <br />6.5 <br />5.1 <br />6.7 <br />28 <br />64 <br />269 <br />167 <br />58 <br />39 <br />11 <br />28 <br />13 <br />8.5 <br />6.5 <br />5.1 <br />6.5 <br />28 <br />68 <br />215 <br />154 <br />56 <br />40 <br />12 <br />26 <br />13 <br />8.0 <br />6.5 <br />5.1 <br />6.5 <br />28 <br />75 <br />215 <br />156 <br />56 <br />34 <br />13 <br />26 <br />12 <br />8.0 <br />6.5 <br />5.1 <br />6.5 <br />28 <br />77 <br />246 <br />156 <br />59 <br />30 <br />14 <br />23 <br />12 <br />8.0 <br />6.5 <br />5.3 <br />6.5 <br />26 <br />85 <br />254 <br />160 <br />57 <br />28 <br />15 <br />19 <br />12 <br />8.0 <br />6.5 <br />5.5 <br />6.0 <br />25 <br />83 <br />264 <br />158 <br />48 <br />26 <br />16 <br />22 <br />12 <br />8.0 <br />6.3 <br />5.3 <br />6.0 <br />26 <br />86 <br />279 <br />158 <br />46 <br />26 <br />17 <br />20 <br />12 <br />7.5 <br />6.3 <br />5.7 <br />6.0 <br />25 <br />80 <br />274 <br />154 <br />44 <br />24 <br />18 <br />20 <br />12 <br />7.7 <br />6.5 <br />6.1 <br />6.0 <br />24 <br />80 <br />284 <br />149 <br />45 <br />22 <br />19 <br />20 <br />10 <br />7.9 <br />6.5 <br />6.3 <br />6.0 <br />22 <br />88 <br />312 <br />134 <br />44 <br />22 <br />20 <br />19 <br />12 <br />7.9 <br />6.1 <br />6.1 <br />6.5 <br />22 <br />110 <br />307 <br />128 <br />46 <br />20 <br />21 <br />19 <br />12 <br />7.9 <br />6.1 <br />6.0 <br />6.5 <br />25 <br />154 <br />272 <br />116 <br />48 <br />19 <br />22 <br />19 <br />12 <br />7.7 <br />6.3 <br />6.0 <br />6.9 <br />31 <br />183 <br />249 <br />108 <br />43 <br />20 <br />23 <br />17 <br />11 <br />7.7 <br />6.1 <br />6.0 <br />7.3 <br />45 <br />178 <br />256 <br />145 <br />45 <br />20 <br />24 <br />17 <br />11 <br />7.7 <br />5.7 <br />6.1 <br />7.9 <br />51 <br />167 <br />246 <br />132 <br />44 <br />20 <br />25 <br />17 <br />11 <br />7.7 <br />5.5 <br />6.5 <br />7.9 <br />54 <br />178 <br />229 <br />118 <br />40 <br />20 <br />26 <br />17 <br />11 <br />7.5 <br />5.5 <br />7.1 <br />22 <br />47 <br />204 <br />237 <br />101 <br />48 <br />22 <br />27 <br />18 <br />10 <br />7.1 <br />5.5 <br />6.3 <br />41 <br />42 <br />194 <br />237 <br />92 <br />42 <br />20 <br />28 <br />18 <br />10 <br />6.9 <br />5.5 <br />6.0 <br />47 <br />41 <br />178 <br />222 <br />83 <br />38 <br />21 <br />29 <br />18 <br />10 <br />7.1 <br />5.7 <br />- -- <br />56 <br />45 <br />192 <br />227 <br />78 <br />36 <br />22 <br />30 <br />18 <br />10 <br />6.9 <br />5.7 <br />- -- <br />62 <br />59 <br />165 <br />210 <br />72 <br />37 <br />21 <br />31 <br />18 <br />- -- <br />7.5 <br />5.7 <br />- -- <br />74 <br />- -- <br />187 <br />- -- <br />71 <br />39 <br />- -- <br />TOTAL <br />634 <br />365 <br />251.2 <br />192.7 <br />159.4 <br />464.7 <br />1160 <br />3803 <br />7961 <br />4662 <br />1578 <br />846 <br />MEAN <br />20.5 <br />12.2 <br />8.10 <br />6.22 <br />5.69 <br />15.0 <br />38.7 <br />123 <br />265 <br />150 <br />50.9 <br />28.2 <br />AC -FT <br />1260 <br />724 <br />498 <br />382 <br />316 <br />922 <br />2300 <br />7540 <br />15790 <br />9250 <br />3130 <br />1680 <br />MAX <br />28 <br />17 <br />10 <br />7.3 <br />7.1 <br />74 <br />72 <br />204 <br />346 <br />262 <br />69 <br />53 <br />MIN <br />17 <br />10 <br />6.9 <br />5.5 <br />5.1 <br />6.0 <br />22 <br />64 <br />210 <br />71 <br />36 <br />19 <br />WTR YR <br />1986 TOTAL 22077.0 <br />MEAN <br />60.5 <br />MAX <br />346 MIN <br />5.1 AC -FT <br />43790 <br />350 <br />300 <br />250 <br />200 <br />150 <br />100 <br />50 <br />0 <br />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />