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7 <br />PLATTE RIVER BASIN <br /> <br />06696000 SOUTH PLATTE RIVER (below Elevenmile Reservoir) NEAR LAKE GEORGE, CO <br /> <br />LOCATION.--Lat 38°54'19", long 105°28'22". in SW¼ sec. 20, T.13 S., R.72 W., Park County, Hydrologic Unit <br />10190001, on left bank 700 ft downstream from Elevenmile Canyon Reservoir and 8.2 mi southwest of town of <br />Lake George. <br /> <br />DRAINAGE AREA AND PERIOD OF RECORD.--963 mi². October 1929 to current year. Monthly data only for some <br />periods. <br /> <br />GAGE.--Water-stage recorder and satellite monitoring (Sutron Satlink 2 DCP and shaft encoder)in a concrete shelter <br />at a 15' Parshall flume with outside staff gage. Elevation of gage is 8,458 ft from topographic map. <br />Station is owned and maintained by the Denver Water Dept. A 10-foot rectangular bypass channel is <br />located beside the upper right wingwall of the 15-foot Parshall. The channel is normally kept closed by <br />boards. At a gage height of 3.26 in the Parshall, water reaches the floor of the bypass channel. <br /> <br />REMARKS.--Record is taken from hourly satellite data and is complete and reliable for the period of operation. <br />The record is good. Station operated and record developed by Garver Brown. <br /> <br />RATING TABLE.--STD15FTPF USED FROM 01-OCT-2005 TO 30-SEP-2006 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2005 TO SEPTEMBER 2006 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 67 76 69 38 37 54 63 53 180 136 159 151 <br /> 2 68 75 66 38 37 50 62 53 188 141 188 145 <br /> 3 67 77 67 37 37 49 52 51 186 149 185 143 <br /> 4 69 68 65 36 37 47 51 57 178 153 157 139 <br /> 5 67 66 65 35 38 44 52 64 175 161 181 100 <br /> 6 66 63 60 35 37 43 57 76 182 161 213 73 <br /> 7 67 61 59 35 37 42 51 82 194 152 209 76 <br /> 8 67 62 57 34 37 40 51 86 186 150 213 81 <br /> 9 68 59 57 34 37 41 51 86 186 155 212 92 <br /> 10 77 59 57 33 37 40 52 89 183 152 216 98 <br /> 11 81 63 56 33 37 40 52 89 170 146 213 102 <br /> 12 80 68 57 33 41 40 52 94 154 144 213 104 <br /> 13 79 62 57 33 47 39 58 98 138 142 214 104 <br /> 14 78 67 54 33 52 40 62 99 114 139 212 105 <br /> 15 77 66 52 33 56 49 76 100 99 140 211 104 <br /> 16 77 67 50 33 60 56 70 102 99 144 208 102 <br /> 17 77 67 48 33 62 64 74 109 110 141 204 95 <br /> 18 76 70 47 35 65 69 80 117 119 160 199 91 <br /> 19 78 71 45 34 68 80 79 124 125 174 191 87 <br /> 20 77 70 45 37 69 86 82 139 127 177 184 85 <br /> 21 76 71 43 37 71 91 86 159 130 176 177 96 <br /> 22 76 72 42 36 71 96 82 176 136 170 174 88 <br /> 23 76 73 41 37 72 99 76 204 142 172 168 89 <br /> 24 76 75 40 37 73 99 67 213 145 171 164 86 <br /> 25 76 77 39 36 68 97 67 219 154 168 161 85 <br /> 26 76 79 39 37 63 99 63 211 160 167 169 89 <br /> 27 76 83 38 37 60 92 66 198 165 162 172 80 <br /> 28 77 77 38 37 56 90 55 190 160 157 166 79 <br /> 29 77 68 38 38 --- 84 58 181 149 157 164 77 <br /> 30 76 71 39 37 --- 78 55 179 142 158 158 77 <br /> 31 76 --- 38 37 --- 67 --- 179 --- 157 155 --- <br /> <br />TOTAL 2301 2083 1568 1098 1462 2005 1902 3877 4576 4832 5810 2923 <br />MEAN 74.2 69.4 50.6 35.4 52.2 64.7 63.4 125 153 156 187 97.4 <br />AC-FT 4560 4130 3110 2180 2900 3980 3770 7690 9080 9580 11520 5800 <br />MAX 81 83 69 38 73 99 86 219 194 177 216 151 <br />MIN 66 59 38 33 37 39 51 51 99 136 155 73 <br /> <br />CAL YR 2005 TOTAL 25838 MEAN 70.8 MAX 160 MIN 17 AC-FT 51250 <br />WTR YR 2006 TOTAL 34437 MEAN 94.3 MAX 219 MIN 33 AC-FT 68310 <br /> <br />MAX DISCH: 561 CFS AT 11:45 ON Sep. 26, 2006 GH 4.12 FT. SHIFT 0.02 FT. <br />MAX GH: 4.12 FT. AT 11:45 ON Sep. 26, 2006 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br />