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25 <br /> <br />PLATTE RIVER BASIN <br /> <br />06725500 MIDDLE BOULDER CREEK AT NEDERLAND, CO <br /> <br />LOCATION.--Lat 39°57'42", long 105°30'14", in NE¼SE¼ sec. 13, T.l S., R.73 W., Boulder County, Hydrologic <br />Unit 10190005, on left bank at Nederland just downstream from North Beaver Creek and 1,000 ft <br />upstream from Barker Reservoir. <br /> <br />DRAINAGE AREA.--36.2 mi². <br /> <br />GAGE.--Water-stage recorder in timber shelter and concrete well at a compound sharp-crested weir. Graphic <br />chart is primary record. <br /> <br />REMARKS.--Record is complete and reliable except for the following period: Jun. 21-22, 1994 when clock <br />stopped. Stage-discharge relation affected by ice Nov. 26-29; Dec. 18-20, 22-27, 1993; Jan. 3, 30- <br />31; Feb. 1-2, 6-7, 1994. Record good except for periods of no gage-height record and ice affect <br />which is fair. Station maintained by Public Service Co. of Co. and records developed by Fred Renner. <br /> <br />RATING TABLE.--BOCMIDCO07 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 24 18 8.3 6.1 5.5 5.1 11 42 308 110 54 22 <br /> 2 22 15 8.3 5.9 5.3 5.5 10 41 292 99 51 23 <br /> 3 22 15 7.7 5.9 5.3 5.9 12 38 276 120 48 20 <br /> 4 21 14 7.9 5.9 5.7 6.3 12 40 284 97 46 18 <br /> 5 21 14 8.5 6.1 5.7 6.7 10 50 252 92 45 16 <br /> 6 21 13 8.1 6.1 5.5 6.3 12 72 246 85 42 15 <br /> 7 21 15 7.5 5.9 4.9 6.1 11 106 227 77 40 14 <br /> 8 27 13 7.5 6.5 4.9 6.7 11 134 222 62 38 14 <br /> 9 25 12 7.9 6.5 5.1 5.5 11 132 197 58 37 13 <br /> 10 26 12 7.7 6.1 5.1 5.9 10 136 183 59 41 12 <br /> 11 22 12 7.5 5.5 5.0 6.3 10 164 192 61 41 12 <br /> 12 26 12 7.3 5.7 4.5 7.7 12 197 199 59 41 13 <br /> 13 24 13 6.5 5.3 5.3 6.3 12 204 187 56 40 18 <br /> 14 23 13 6.8 5.3 4.9 6.1 14 204 174 54 38 23 <br /> 15 24 12 6.5 5.5 4.3 6.5 12 187 171 54 36 18 <br /> 16 22 12 6.7 5.7 4.3 6.9 15 197 178 53 34 15 <br /> 17 22 11 6.7 5.9 4.5 7.5 23 213 178 50 33 13 <br /> 18 24 11 6.8 6.3 4.5 9.7 24 215 190 50 31 12 <br /> 19 22 10 6.7 6.5 4.2 9.3 31 212 192 48 32 12 <br /> 20 20 11 6.5 6.7 4.5 10 40 217 206 52 34 13 <br /> 21 17 10 6.1 6.7 4.3 10 51 204 229 53 29 20 <br /> 22 19 10 6.1 6.7 4.5 10 71 195 242 51 28 16 <br /> 23 17 10 6.1 6.7 4.9 10 92 183 208 48 26 13 <br /> 24 16 9.5 6.1 6.7 5.1 9.3 110 178 180 51 25 12 <br /> 25 17 9.1 6.1 6.7 5.1 9.3 106 192 158 48 23 12 <br /> 26 17 9.1 6.1 6.7 5.1 8.1 71 215 149 45 22 11 <br /> 27 13 9.1 6.1 6.8 5.1 8.7 59 197 149 44 21 10 <br /> 28 16 9.1 6.1 6.5 5.1 7.9 53 222 132 42 22 10 <br /> 29 12 9.1 6.3 6.1 --- 8.7 45 231 120 42 24 9.5 <br /> 30 12 8.7 6.1 6.1 --- 9.3 43 252 116 48 23 9.8 <br /> 31 18 --- 6.1 5.9 --- 10 --- 274 --- 47 22 --- <br /> <br /> TOTAL 633 351.7 214.7 191.0 138.2 237.6 1004 5144 6037 1915 1067 439.3 <br /> MEAN 20.4 11.7 6.93 6.16 4.94 7.66 33.5 166 201 61.8 34.4 14.6 <br /> AC-FT 1260 698 426 379 274 471 1990 10200 11970 3800 2120 871 <br /> MAX 27 18 8.5 6.8 5.7 10 110 274 308 120 54 23 <br /> MIN 12 8.7 6.1 5.3 4.2 5.1 10 38 116 42 21 9.5 <br /> <br /> CAL YR 1993 TOTAL 21078.5 MEAN 57.7 MAX 312 MIN 4.5 AC-FT 41810 <br /> WTR YR 1994 TOTAL 17372.5 MEAN 47.6 MAX 308 MIN 4.2 AC-FT 34460 <br /> <br /> MAX DISCH 385 CFS AT 2100 01-JUN-1994 GH 2.87 FT. SHIFT 0.00 FT. MAX GH 2.87 FT. AT 2100 01-JUN-1994 <br />0 <br />100 <br />200 <br />300 <br />400 <br />OctNovDecJanFebMarAprMayJunJulAugSep <br />