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53 <br />PLATTE RIVER BASIN <br /> <br />SOUTH BOULDER CREEK DIVERSION NEAR ELDORADO SPRINGS, CO <br /> <br />LOCATION.--Lat 39°55'58", long 105°18'29", SW¼ sec. 26, T.1 S., R.71 W., Boulder County. Diverts Denver Water <br />Board rights released from Gross Reservoir to South Boulder Creek. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--N/A; Oct. 1958 to present. <br /> <br />GAGE.--Data Collection Platform (DCP), shaft encoder and a weekly chart recorder at a 12-ft Parshall flume in a <br />timber shelter and concrete well. The primary reference gage is an electric tape gage with a <br />supplemental outside staff. Gage is owned and maintained by Denver Water Dept. <br /> <br />REMARKS.--The primary record is hourly averages of 15-minute satellite data with chart back up. Satellite data <br />agreed with the recorder data within ±0.02 feet. The record is reliable and complete. Trickle flow (GH <br />less than 0.10 ft.) record was zeroed out per agreement with Denver Water. The record is good. Station <br />maintained by Denver Water, operated by Stever Barrett and record developed by Jana Ash. <br /> <br />RATING TABLE.--STD12FTPF USED FROM 01-Oct-2007 TO 01-Oct-2008 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2007 TO SEPTEMBER 2008 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 0 150 0 0 0 0 135 100 175 269 197 119 <br /> 2 0 211 0 0 0 0 131 86 161 274 198 119 <br /> 3 0 167 0 0 0 0 127 75 150 243 198 119 <br /> 4 0 61 0 0 0 0 126 74 150 224 201 119 <br /> 5 0 0 0 0 0 0 126 74 109 216 204 119 <br /> 6 0 0 0 0 0 0 126 74 67 209 216 119 <br /> 7 0 0 0 0 0 0 126 74 61 175 202 119 <br /> 8 0 0 0 0 0 0 126 74 60 150 184 122 <br /> 9 0 0 0 0 25 0 128 74 60 149 171 124 <br /> 10 0 0 0 0 100 0 129 75 60 148 171 124 <br /> 11 1.0 0 0 0 100 0 129 75 61 149 171 124 <br /> 12 36 0 0 0 157 0 129 75 85 150 171 124 <br /> 13 90 0 0 0 254 0 129 76 103 151 141 124 <br /> 14 164 0 0 0 289 0 128 76 103 162 120 124 <br /> 15 202 0 0 0 295 0 128 76 103 173 120 124 <br /> 16 252 0 44 0 295 0 129 76 131 184 96 126 <br /> 17 295 0 207 0 295 0 129 76 179 193 74 128 <br /> 18 295 0 317 0 296 0 129 76 229 195 75 127 <br /> 19 294 0 326 0 294 0 129 90 250 194 76 114 <br /> 20 268 0 326 0 292 0 129 100 265 194 77 99 <br /> 21 152 0 326 0 222 0 66 129 276 194 77 99 <br /> 22 61 0 326 0 47 0 0 165 274 195 77 99 <br /> 23 51 0 327 0 0 0 50 175 274 198 77 99 <br /> 24 52 0 327 0 0 0 91 184 284 200 77 102 <br /> 25 23 0 327 0 0 51 91 190 289 200 77 103 <br /> 26 0 0 327 0 0 119 90 181 291 203 77 103 <br /> 27 0 0 185 0 0 139 90 175 273 206 77 103 <br /> 28 0 0 49 0 0 137 92 175 261 197 101 103 <br /> 29 0 0 0 0 0 135 95 175 261 191 119 103 <br /> 30 40 0 0 0 --- 135 98 175 261 191 119 103 <br /> 31 76 --- 0 0 --- 135 --- 175 --- 193 119 --- <br /> <br />TOTAL 2352.0 589 3414 0 2961 851 3331 3475 5306 5970 4060 3434 <br />MEAN 75.9 19.6 110 0 102 27.5 111 112 177 193 131 114 <br />AC-FT 4670 1170 6770 0 5870 1690 6610 6890 10520 11840 8050 6810 <br />MAX 295 211 327 0 296 139 135 190 291 274 216 128 <br />MIN 0 0 0 0 0 0 0 74 60 148 74 99 <br /> <br />CAL YR 2007 TOTAL 22749 MEAN 62.3 MAX 327 MIN 0 AC-FT 45120 <br />WTR YR 2008 TOTAL 35743 MEAN 97.7 MAX 327 MIN 0 AC-FT 70900 <br /> <br />MAX DISCH: 331 CFS AT 02:45 ON Dec. 19, 2007 GH 3.4 FT. SHIFT 0 FT. <br />MAX GH: 3.4 FT. AT 02:45 ON Dec. 19, 2007 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br /> <br /> <br /> <br />