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15 <br /> <br />PLATTE RIVER BASIN <br /> <br />06720000 CLEAR CREEK AT DERBY, CO <br /> <br />LOCATION.--Lat 39°49'42", long 104°57'30", in SW¼SW¼ sec. 36, T.2 S., R.68 W., Adams County, Hydrologic <br />Unit 10190004, on right bank 875 ft downstream from York Street bridge, 0.5 mi upstream from mouth, <br />and 2.5 mi west of Derby. <br /> <br />DRAINAGE AREA.--575 mi². <br /> <br />GAGE.--Graphic water-stage recorder with satellite monitoring DCP with digital shaft encoder and Telemark <br />in a 60 inch corrugated metal shelter and well. New station location on June 26, 1992. Primary <br />reference is by electric drop tape. <br /> <br />REMARKS.--The record is complete and reliable except for Jan. 8-31; Feb. 1-4, 1997 when control and well <br />frozen. The stage-discharge relation was ice affected Dec. 17-31, 1996; Jan. 1-7, 1997. The <br />satellite record is the primary record. Chart values were used Oct. 10, 26-31, 1996; Apr. 25, 27- <br />30; May 5-11, 14, 1997. Station maintained and record developed by Rodger Burcher. <br /> <br />RATING TABLE.--CLEDERCO33 USED FROM 01-OCT-1996 TO 30-SEP-1997 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 <br /> MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 7.2 30 20 15 15 24 15 65 564 516 337 40 <br /> 2 7.6 22 24 15 15 21 44 37 771 419 258 65 <br /> 3 12 13 20 15 15 21 25 24 821 378 210 49 <br /> 4 15 20 16 12 15 21 116 11 984 362 671 98 <br /> 5 8.5 38 16 11 16 22 110 22 1040 406 642 95 <br /> 6 5.6 36 15 13 23 21 38 32 1110 385 727 15 <br /> 7 6.8 21 17 14 20 20 24 29 1540 307 461 11 <br /> 8 7.4 19 16 15 18 19 31 56 1570 198 313 9.6 <br /> 9 7.7 22 15 15 17 19 47 121 1590 183 276 9.4 <br /> 10 7.0 22 16 15 17 20 33 133 1440 187 295 9.2 <br /> 11 6.2 16 16 15 18 20 34 172 1360 173 336 17 <br /> 12 6.0 23 16 15 19 19 25 177 1350 205 280 19 <br /> 13 6.3 26 16 15 18 13 24 143 1470 208 231 16 <br /> 14 6.6 25 15 15 18 6.4 24 149 1420 175 182 14 <br /> 15 6.4 23 13 15 15 7.3 22 184 1400 139 152 13 <br /> 16 5.8 29 14 15 14 6.7 22 193 1300 105 133 11 <br /> 17 5.5 24 15 15 15 6.4 14 227 1140 97 137 10 <br /> 18 4.5 26 15 15 27 5.8 13 259 1130 93 153 10 <br /> 19 7.6 28 15 15 24 4.7 14 271 1210 95 128 28 <br /> 20 15 21 15 15 34 4.5 16 227 1330 106 100 66 <br /> 21 22 20 15 15 26 4.5 31 170 1290 76 79 46 <br /> 22 17 20 15 15 20 4.8 42 352 1220 61 91 58 <br /> 23 22 19 15 15 22 4.9 27 292 1240 75 66 167 <br /> 24 41 18 15 15 19 10 486 280 1120 63 54 69 <br /> 25 39 19 14 15 19 8.7 239 263 1040 55 48 39 <br /> 26 88 21 14 15 26 14 140 253 903 49 41 32 <br /> 27 52 23 15 15 24 12 101 196 778 86 27 35 <br /> 28 44 21 15 15 24 12 111 205 688 269 15 35 <br /> 29 41 19 15 15 --- 13 120 310 617 235 14 32 <br /> 30 41 16 15 15 --- 9.1 104 349 580 298 19 28 <br /> 31 29 --- 15 15 --- 9.0 --- 370 --- 326 24 --- <br /> <br /> TOTAL 590.7 680 488 455 553 403.8 2092 5572 34016 6330 6500 1146.2 <br /> MEAN 19.1 22.7 15.7 14.7 19.8 13.0 69.7 180 1134 204 210 38.2 <br /> AC-FT 1170 1350 968 902 1100 801 4150 11050 67470 12560 12890 2270 <br /> MAX 88 38 24 15 34 24 486 370 1590 516 727 167 <br /> MIN 4.5 13 13 11 14 4.5 13 11 564 49 14 9.2 <br /> <br /> CAL YR 1996 TOTAL 42976.4 MEAN 117 MAX 1090 MIN 4.5 AC-FT 85240 <br /> WTR YR 1997 TOTAL 58826.7 MEAN 161 MAX 1590 MIN 4.5 AC-FT 116700 <br /> <br /> MAX DISCH 2114 CFS AT 1930 04-AUG-1997 GH 4.10 FT. SHIFT 0.08 FT. MAX GH 4.10 FT. AT 1930 04-AUG-1997 <br /> <br /> FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br />0 <br />500 <br />1000 <br />1500 <br />2000 <br />OctNovDecJanFebMarAprMayJunJulAugSep