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23 <br /> <br /> <br />06729450 SOUTH BOULDER CREEK BELOW GROSS RESERVOIR NEAR COAL CREEK, CO <br /> <br />LOCATION.--Lat 39°56'19", long 105°20'55", SW¼ sec. 21, T.1 S., R.71 W., Boulder County. Measures releases <br />from Gross Reservoir; which is filled by South Boulder Creek and transmountain diversions from <br />Moffat Tunnel. <br /> <br />DRAINAGE AREA.--N/A <br /> <br />GAGE.--Graphic water stage recorder and satellite monitoring DCP with shaft encoder in timber shelter and <br />concrete well at 25' Parshall flume with supplemental outside staff.. The primary reference is an <br />electric tape gage. The DCP, updated to high data rate in 2002, is the primary record with chart <br />backup. Station is owned and maintained by Denver Water Board personnel. <br /> <br />REMARKS.--The record is complete and reliable. The only noteworthy correction occurred on May 6, 2002, -0.03 <br />feet for flume cleaning. This was applied back to February 6, 2002 the last time the flume was known <br />to have been cleaned. The record is good. Record developed by M. L. Cunning. <br /> <br />RATING TABLE.--STD25FTPF USED FROM 01-OCT-2001 TO 30-SEP-2002 <br /> <br /> DISCHARGE, IN CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 92 112 85 84 5.7 9.4 141 36 368 122 113 114 <br /> 2 92 126 86 84 3 9 145 36 372 114 113 115 <br /> 3 92 125 86 84 2.8 8.9 146 39 372 112 113 86 <br /> 4 92 125 86 84 5 8.8 146 42 373 112 113 65 <br /> 5 92 139 85 84 6.6 9 148 42 384 112 113 65 <br /> 6 92 149 84 84 6.6 9 148 42 396 112 91 65 <br /> 7 92 149 84 119 6.6 50 148 50 401 112 74 65 <br /> 8 92 149 84 141 6.6 76 149 63 402 115 74 65 <br /> 9 92 149 84 141 6.7 86 149 66 401 117 45 65 <br /> 10 92 149 84 141 6.7 86 152 66 401 117 24 74 <br /> 11 92 148 84 141 5.2 85 156 66 400 117 24 79 <br /> 12 92 149 85 141 4.1 99 157 66 400 119 20 79 <br /> 13 92 149 86 141 4.1 110 157 60 255 117 13 79 <br /> 14 92 149 86 141 4.1 110 157 56 140 114 9.9 79 <br /> 15 92 149 86 150 4.1 111 76 108 138 115 10 79 <br /> 16 92 128 86 154 4.1 110 33 132 130 116 41 79 <br /> 17 92 115 86 154 4.1 110 33 132 125 116 64 75 <br /> 18 92 115 86 155 4.1 110 32 136 122 116 64 73 <br /> 19 92 115 86 155 4.1 110 30 139 113 117 64 73 <br /> 20 92 115 86 155 4.1 110 28 169 110 116 64 77 <br /> 21 92 115 85 155 4.1 126 27 196 110 117 63 79 <br /> 22 92 115 84 155 4.1 137 27 204 112 117 64 79 <br /> 23 92 100 84 155 4.1 137 27 250 112 117 64 79 <br /> 24 92 90 84 154 4.1 137 27 293 105 115 64 79 <br /> 25 91 90 84 153 6.8 137 27 301 101 113 63 79 <br /> 26 90 90 84 153 8.5 137 27 301 101 113 66 79 <br /> 27 90 90 84 153 8.4 136 27 300 114 113 68 79 <br /> 28 90 90 84 70 17 136 27 284 123 113 97 79 <br /> 29 90 87 84 10 --- 139 27 273 123 113 115 79 <br /> 30 90 85 84 9 --- 139 33 283 122 113 114 79 <br /> 31 90 --- 84 9 --- 139 --- 332 --- 113 113 --- <br /> <br />TOTAL 2839 3656 2630 3709 155.5 2917.1 2607 4563 6926 3565 2137.9 2341 <br />MEAN 92 122 85 120 5.6 94.1 87 147 231 115 69 78 <br />AC-FT 5630 7250 5220 7360 308 5790 5170 9050 13740 7070 4240 4640 <br />MAX 92 149 86 155 17 139 157 332 402 122 115 115 <br />MIN 90 85 84 9 2.8 8.8 27 36 101 112 9.9 65 <br /> <br />WTR YR 2002 TOTAL 38046.5 MEAN 104 MAX 402 MIN 2.8 AC-FT 75470 <br /> <br />MAX DISCH: 405 CFS AT 20:45 ON Jun. 7, 2002 GH 2.47 FT. SHIFT 0 FT. <br />MAX GH: 2.47 FT. AT 20:45 ON Jun. 7, 2002 <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 />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />