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<br /> <br /> <br /> 3 <br /> <br /> PLATTE RIVER BASIN <br /> <br /> 06695000 SOUTH PLATTE RIVER ABOVE ELEVENMILE CANYON RESERVOIR, NEAR HARTSEL, CO <br /> <br />LOCATlON.--Lat 38°58'03", long 105°34'51", in NE¼ sec.32, T.12 S., R.73 W., Park County, Hydrologic Unit 10190001, on left <br />bank 200 ft downstream from highway bridge, 2.5 mi upstream from water line of Elevenmile Canyon Reservoir, at <br />elevation 8,561 ft. and 13 mi southeast of Hartsel. <br /> <br />DRAINAGE AREA.--880 mi2. <br /> <br />GAGE.--Water-stage recorder with satellite telemetry in a wooden shelter at a 25' Parshall flume. Datum of gage is <br />8,612.83 ft,(Denver Board of Water Commissioners Datum). Station is owned and maintained by the Denver Water Dept. <br />Satellite telemetry is maintained by the U. S. Army Corps of Engineers and the USGS. <br /> <br />REMARKS.--Hourly record from satellite data is complete and agrees with available chart record. Where gaps exist in the <br />chart record, the satellite data was found to check closely with release records from Spinney Mountain Reservoir, <br />just upstream. Record is good. Record developed by Robert Cooper. <br /> <br />RATING TABLE.--PLAHARCO15 USED FROM 01-OCT-1990 TO 30-SEP-1991 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 <br /> MEAN VALUES <br /> <br />DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 142 65 73 65 48 37 77 36 38 116 151 142 <br /> 2 142 68 73 65 48 38 78 36 39 184 152 144 <br /> 3 142 75 72 65 47 38 78 36 33 184 133 140 <br /> 4 141 71 73 65 47 38 78 36 28 184 126 140 <br /> 5 141 66 66 64 44 38 78 37 28 176 169 141 <br /> 6 128 66 67 64 37 38 78 38 30 167 175 133 <br /> 7 120 66 75 65 37 37 78 38 29 168 99 120 <br /> 8 101 71 67 64 36 38 115 38 29 177 57 114 <br /> 9 48 75 66 64 36 38 143 38 29 186 57 115 <br /> 10 46 75 65 65 37 38 143 38 29 170 58 115 <br /> 11 57 75 65 65 37 38 143 38 28 157 58 115 <br /> 12 90 75 65 66 37 38 120 38 29 157 58 118 <br /> 13 90 75 65 65 38 38 107 38 39 157 71 116 <br /> 14 85 75 64 65 36 38 107 39 58 157 106 128 <br /> 15 81 76 68 65 36 38 107 39 38 155 152 136 <br /> 16 80 76 66 65 36 38 74 43 38 155 167 131 <br /> 17 79 76 65 60 36 38 39 50 38 155 160 131 <br /> 18 80 76 66 49 38 38 38 50 38 141 157 119 <br /> 19 80 94 65 50 37 41 43 50 38 130 185 111 <br /> 20 89 101 65 50 36 48 52 44 37 124 167 111 <br /> 21 95 95 66 49 36 48 53 39 38 116 149 121 <br /> 22 95 100 66 50 37 48 53 38 38 115 159 125 <br /> 23 99 96 67 50 37 47 66 39 37 168 155 124 <br /> 24 102 95 68 50 37 46 75 47 37 210 151 124 <br /> 25 102 93 68 49 38 47 74 45 37 153 153 103 <br /> 26 102 80 67 49 37 47 74 40 37 46 179 50 <br /> 27 99 65 67 48 37 47 74 40 36 47 196 68 <br /> 28 93 69 63 49 38 64 73 40 59 47 185 112 <br /> 29 92 71 62 48 --- 77 53 39 76 47 176 112 <br /> 30 91 73 66 50 --- 77 36 36 75 72 168 112 <br /> 31 76 --- 64 50 --- 77 --- 37 --- 135 141 --- <br /> <br />TOTAL 3008 2334 2075 1788 1081 1396 2407 1240 1163 4356 4270 3571 <br />MEAN 97.0 77.8 66.9 57.7 38.6 45.0 80.2 40.0 38.8 141 138 119 <br />AC-FT 5970 4630 4120 3550 2140 2770 4770 2460 2310 8640 8470 7080 <br />MAX 142 101 75 66 48 77 143 50 76 210 196 144 <br />MIN 46 65 62 48 36 37 36 36 28 46 57 50 <br /> <br />CAL YR 1990 TOTAL 42496 MEAN 116 MAX 345 MIN 31 AC-FT 84290 <br />WTR YR 1991 TOTAL 28689 MEAN 78.6 MAX 210 MIN 28 AC-FT 56900 <br /> <br />MAX DISCH 234 CFS AT 1700 23-JUL-1991 GH 1.80 FT. SHIFT -0.04 FT. MAX GH 1.80 FT. AT 1700 <br />23-JUL-1991