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26 <br /> <br />PLATTE RIVER BASIN <br /> <br />06729500 SOUTH BOULDER CREEK NEAR ELDORADO SPRINGS, CO <br /> <br />LOCATION.--Lat 39°55'52", long 105°17'43", in SE¼ sec. 26, T.l S., R.71 W., Boulder County, Hydrologic <br />Unit 10190005, on left bank 0.2 mi downstream from South Draw, 1.0 mi west of Eldorado Springs, 1.8 <br />mi downstream from South Boulder diversion canal, 5.0 mi south of Boulder, and 6.7 mi downstream <br />from Gross Reservoir. <br /> <br />DRAINAGE AREA.--109 mi². <br /> <br />GAGE.--Water-stage recorder with satellite telemetry and shaft encoder in metal box shelter with <br />supplemental outside chain gage. <br /> <br />REMARKS.--Record is complete and reliable except for the following periods: Dec. 18-20, 1996 when float <br />was frozen; Dec. 21, 1996-Mar. 10, 1997 when station was closed; Apr. 13-14, 1997 when ice in well. <br />Record ice affected Dec. 16-17, 1996. Graphic chart record was used on Apr. 11-12, 29-30; May 1; <br />July 9-10, 23, 1997. Record is good, except for periods of no gage-height record and ice effect, <br />which is fair. Station maintained and record developed by Fred Renner. <br /> <br />RATING TABLE.--BOCELSCO22 USED FROM 01-OCT-1996 TO 30-SEP-1997 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 33 29 13 12 13 14 34 110 257 202 100 40 <br /> 2 33 29 13 12 13 14 34 85 237 215 101 38 <br /> 3 33 29 13 14 11 12 34 63 206 212 100 37 <br /> 4 33 28 11 18 10 14 35 62 198 211 96 37 <br /> 5 32 24 10 18 10 13 36 63 196 210 94 39 <br /> 6 33 19 10 18 10 13 35 66 200 210 115 41 <br /> 7 36 19 9.7 18 10 13 35 71 159 191 122 40 <br /> 8 40 19 9.2 15 10 14 35 80 108 162 120 40 <br /> 9 40 18 13 12 10 15 34 88 113 155 118 43 <br /> 10 33 19 17 11 10 15 32 96 148 155 119 36 <br /> 11 23 19 16 11 10 15 26 96 264 154 106 30 <br /> 12 20 15 17 11 9.0 17 25 102 373 143 96 26 <br /> 13 20 11 18 11 6.0 18 25 137 390 128 96 25 <br /> 14 21 12 17 11 10 18 26 176 388 127 83 27 <br /> 15 20 11 20 11 11 17 26 167 370 117 72 27 <br /> 16 22 10 13 12 11 17 27 175 362 112 66 27 <br /> 17 24 10 10 13 11 16 27 193 348 118 59 26 <br /> 18 24 10 8.0 14 10 18 28 192 410 109 60 26 <br /> 19 24 12 7.0 14 10 20 31 213 416 100 63 26 <br /> 20 24 18 6.0 14 18 23 31 256 362 108 59 27 <br /> 21 24 20 6.0 14 18 28 41 276 293 103 53 26 <br /> 22 24 18 6.0 14 14 27 48 280 236 94 51 33 <br /> 23 24 15 10 14 14 27 48 265 244 102 48 42 <br /> 24 24 15 12 14 17 31 72 250 257 100 46 39 <br /> 25 24 15 12 14 17 35 79 251 271 94 46 38 <br /> 26 24 15 12 14 15 35 80 231 241 96 46 34 <br /> 27 24 15 12 13 15 35 85 209 190 92 46 32 <br /> 28 24 15 12 13 15 34 99 209 144 87 47 32 <br /> 29 24 13 12 13 --- 33 110 235 160 87 45 26 <br /> 30 26 12 12 13 --- 33 113 257 191 85 45 18 <br /> 31 28 --- 12 13 --- 33 --- 256 --- 90 44 --- <br /> <br /> TOTAL 838 514 368.9 419 338.0 667 1391 5210 7732 4169 2362 978 <br /> MEAN 27.0 17.1 11.9 13.5 12.1 21.5 46.4 168 258 134 76.2 32.6 <br /> AC-FT 1660 1020 732 831 670 1320 2760 10330 15340 8270 4690 1940 <br /> MAX 40 29 20 18 18 35 113 280 416 215 122 43 <br /> MIN 20 10 6.0 11 6.0 12 25 62 108 85 44 18 <br /> <br /> CAL YR 1996 TOTAL 25399.1 MEAN 69.4 MAX 447 MIN 2.8 AC-FT 50380 <br /> WTR YR 1997 TOTAL 24986.9 MEAN 68.5 MAX 416 MIN 6.0 AC-FT 49560 <br /> <br /> MAX DISCH 461 CFS AT 0300 19-JUN-1997 GH 3.24 FT. SHIFT -0.03 FT. MAX GH 3.24 FT. AT 0300 19-JUN-1997 <br /> <br /> FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br />0 <br />100 <br />200 <br />300 <br />400 <br />500 <br />OctNovDecJanFebMarAprMayJunJulAugSep