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3 <br />PLATTE RIVER BASIN <br /> <br />06694920 SOUTH PLATTE RIVER ABOVE SPINNEY MOUNTAIN RESERVOIR, CO <br /> <br />LOCATION.--Lat 38°59'10", long 105°40'52". <br /> <br />DRAINAGE AREA.--N/A <br /> <br />GAGE.--Graphic water-stage recorder and satellite monitoring (DCP and shaft encoder) at a 25-foot concrete Parshall <br />flume with a wooden shelter and concrete well with inside electric tape gage and in-flume staff gage. Gage <br />is operated and equipment is maintained by the city of Aurora. <br /> <br />REMARKS.--Record is taken from hourly satellite readings and is complete except for November 16, 2004 to April <br />11, 2005 when the station was closed for the winter. Gage height was affected by ice during the periods <br />of October 31 to November 7 and November 14 & 15. The record is good, except for November 3-7, and 14, <br />which are fair, due to possible ice effect, and October 31-November 2 and November 15 to April 10, which are <br />estimated and poor. Station operated and record developed by Garver Brown. <br /> <br />RATING TABLE.--STD25FTPF USED FROM 01-OCT-2004 TO 30-SEP-2005 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 37 26 20 5 5 5 40 32 136 152 51 34 <br /> 2 40 18 20 5 5 5 40 34 121 150 45 33 <br /> 3 42 28 20 5 5 10 40 35 111 137 40 30 <br /> 4 43 32 20 5 5 10 40 35 109 127 71 29 <br /> 5 47 36 20 5 5 10 40 33 97 116 124 28 <br /> 6 46 40 20 5 5 10 40 33 85 110 113 27 <br /> 7 46 40 20 5 5 10 40 33 88 105 104 28 <br /> 8 43 43 20 5 5 10 40 32 88 100 85 27 <br /> 9 40 36 20 5 5 10 40 32 86 98 69 30 <br /> 10 38 33 20 5 5 10 40 32 92 98 62 31 <br /> 11 37 34 20 5 5 10 35 32 95 95 61 27 <br /> 12 36 33 20 5 5 10 30 32 86 92 75 25 <br /> 13 39 33 20 5 5 10 30 32 78 92 73 25 <br /> 14 49 28 20 5 5 10 31 31 73 101 94 27 <br /> 15 49 26 5 5 5 10 33 31 69 112 84 30 <br /> 16 45 28 5 5 5 10 32 31 78 110 73 28 <br /> 17 42 30 5 5 5 10 33 30 94 97 78 25 <br /> 18 39 30 5 5 5 10 32 31 110 90 61 24 <br /> 19 37 30 5 5 5 10 31 35 138 92 56 23 <br /> 20 39 30 5 5 5 10 30 42 156 88 53 23 <br /> 21 35 30 5 5 5 10 27 64 174 83 60 23 <br /> 22 35 30 5 5 5 15 27 97 186 75 60 28 <br /> 23 31 30 5 5 5 15 27 146 200 64 53 31 <br /> 24 33 30 5 5 5 15 30 182 200 68 48 29 <br /> 25 36 30 5 5 5 40 45 189 186 98 47 26 <br /> 26 37 20 5 5 5 40 46 182 175 123 54 24 <br /> 27 36 20 5 5 5 40 39 172 159 95 49 22 <br /> 28 37 20 5 5 5 40 35 160 141 80 50 29 <br /> 29 37 20 5 5 --- 40 33 146 139 72 48 37 <br /> 30 28 20 5 5 --- 40 33 152 148 62 42 25 <br /> 31 28 --- 5 5 --- 40 --- 151 --- 54 37 --- <br /> <br />TOTAL 1207 884 365 155 140 525 1059 2299 3698 3036 2020 828 <br />MEAN 39 30 11.8 5 5 16.9 35 74 123 98 65 28 <br />AC-FT 2390 1750 724 307 278 1040 2100 4560 7330 6020 4010 1640 <br />MAX 49 43 20 5 5 40 46 189 200 152 124 37 <br />MIN 28 18 5 5 5 5 27 30 69 54 37 22 <br /> <br />WTR YR 2005 TOTAL 16216 MEAN 44.4 MAX 200 MIN 5 AC-FT 32160 <br /> <br />MAX DISCH: 215 CFS AT 19:30 ON Jun. 23, 2005 GH 1.63 FT. SHIFT 0.04 FT. <br />MAX GH: 1.63 FT. AT 19:30 ON Jun. 23, 2005 <br /> <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br /> <br />