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<br /> <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 Nov. 29, 1994-Frb. 6, 1995 when control and well <br />were frozen. The stage-discharge relation was affected by ice on Nov. 27-28, 1994. Winter record, <br />when both stilling well and control were frozen, was estimated on the basis of record prior to <br />freeze and after freeze, a hydrograph, on measurement made during period of ‘b’ record and one <br />measurement made during period of freeze. Chart values were used Oct. 19, 26-31; Nov. 1-13, 15-26, <br />1994; Apr. 7-9, 11; May 1-7, 23, 30-31; June 21-24; July 12-13, 1995. The satellite record is the <br />primary record. Station maintained and records developed by Rodger L. Burcher. <br /> <br />RATING TABLE.--CLEDERCO33 USED FROM 01-OCT-1994 TO 30-SEP-1995 <br /> <br />DISCHARGE, IN CFS, WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 <br />MEAN VALUES <br /> <br /> DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP <br /> <br /> 1 43 2.1 1.4 27 20 5.4 27 73 1100 1180 360 11 <br /> 2 10 2.0 1.6 27 19 5.1 28 79 1100 1080 286 8.7 <br /> 3 5.7 3.8 1.8 26 19 4.6 28 61 1390 1010 269 18 <br /> 4 8.4 7.0 2.2 26 19 4.2 21 49 1350 964 253 14 <br /> 5 13 4.5 2.5 26 18 3.8 19 49 1400 801 234 17 <br /> 6 6.2 3.4 2.9 26 18 15 18 49 1450 762 209 17 <br /> 7 3.3 1.7 3.3 26 21 6.1 17 49 1410 843 184 19 <br /> 8 4.4 5.2 3.8 26 21 4.9 18 153 1450 940 167 19 <br /> 9 4.8 4.2 4.5 25 21 5.2 28 71 1880 1050 157 89 <br /> 10 4.5 1.7 5.0 25 21 7.0 74 51 1420 1040 119 67 <br /> 11 4.8 1.4 6.0 25 19 6.8 31 27 1290 1320 101 31 <br /> 12 4.8 1.5 6.8 25 17 5.7 17 32 1230 1330 116 20 <br /> 13 4.3 1.4 8.8 25 15 8.0 15 36 1230 1390 89 15 <br /> 14 5.4 23 9.2 24 14 15 8.5 31 1380 1510 76 12 <br /> 15 6.3 8.8 10 24 12 8.1 8.5 41 1610 1370 60 15 <br /> 16 5.1 4.5 12 24 12 4.8 8.9 54 1650 1310 46 8.2 <br /> 17 41 2.0 14 24 10 4.9 17 1150 1930 1150 32 7.5 <br /> 18 9.6 1.4 16 24 9.2 5.2 43 314 2280 1140 38 10 <br /> 19 3.8 1.1 19 24 8.3 5.0 116 164 1900 1060 96 31 <br /> 20 4.2 1.4 22 24 7.6 10 34 172 1730 981 44 51 <br /> 21 4.8 1.4 25 23 7.1 19 71 175 1700 785 55 165 <br /> 22 5.4 1.1 28 23 6.2 14 56 156 1710 680 56 111 <br /> 23 5.0 1.2 28 23 3.5 11 31 213 1710 780 44 78 <br /> 24 4.9 1.2 28 23 2.2 11 38 461 1680 507 29 60 <br /> 25 4.6 1.5 28 22 8.5 2.4 38 153 1530 427 21 49 <br /> 26 3.4 1.2 28 22 2.1 4.5 276 252 1460 387 17 45 <br /> 27 2.7 1.1 28 22 2.1 9.3 73 566 1280 345 11 40 <br /> 28 1.4 0.90 28 21 6.7 19 59 481 1320 299 9.1 23 <br /> 29 2.4 0.90 27 21 --- 16 144 601 1620 290 8.5 15 <br /> 30 2.4 0.90 27 20 --- 34 128 624 1310 266 9.0 44 <br /> 31 1.7 --- 27 20 --- 30 --- 1070 --- 340 7.7 --- <br /> <br /> TOTAL 231.3 93.50 454.8 743 359.5 305.0 1490.9 7457 45500 27337 3203.3 1110.4 <br /> MEAN 7.46 3.12 14.7 24.0 12.8 9.84 49.7 241 1517 882 103 37.0 <br /> AC-FT 459 185 902 1470 713 605 2960 14790 90250 54220 6350 2200 <br /> MAX 43 23 28 27 21 34 276 1150 2280 1510 360 165 <br /> MIN 1.4 0.90 1.4 20 2.1 2.4 8.5 27 1100 266 7.7 7.5 <br /> <br /> CAL YR 1994 TOTAL 16421.90 MEAN 45.0 MAX 423 MIN 0.90 AC-FT 32570 <br /> WTR YR 1995 TOTAL 88285.70 MEAN 242 MAX 2280 MIN 0.90 AC-FT 175100 <br /> <br /> MAX DISCH 2515 CFS AT 2400 15-JUL-1995 GH 4.52 FT. SHIFT 0.06 FT. MAX GH 4.55 FT. AT 0800 09-JUN-1995 <br />0 <br />500 <br />1000 <br />1500 <br />2000 <br />2500 <br />OctNovDecJanFebMarAprMayJunJulAugSep <br />