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15 <br />PLATTE RIVER BASIN <br />06720000 CLEAR CREEK AT DERBY, CO <br />LOCATION.--Lat <br />39°49142", long <br />104°57'30", <br />in SW;iSW;, sec. <br />36, T.2 S., R.68 W., Adams County, Hydrologic <br />Unit 10190004, <br />on right <br />bank 875 ft <br />downstream from <br />York Street bridge, 0.5 <br />mi upstream from mouth, <br />and 2.5 <br />mi west <br />of Derby. <br />DRAINAGE AREA AND PERIOD OF RECORD. --575 miz; <br />1927 <br />to present. <br />GAGE. --Graphic <br />water -stage recorder with satellite <br />monitoring DCP <br />with digital <br />shaft encoder and <br />Telemark <br />in a 60 <br />inch corrugated <br />metal shelter and well. Station <br />at <br />this datum since <br />June 26, <br />1992. <br />Primary <br />reference <br />is by <br />electric drop tape. <br />REMARKS. --The primary record is <br />hourly satellite <br />data <br />and mean daily gage <br />heights from the chart. Where DCP <br />data was <br />missing, data <br />was entered <br />hourly from the <br />chart. <br />There <br />were several <br />instances of maximum <br />stage in <br />the DCP data <br />being elevated <br />from <br />the actual stage. For <br />these days of missing <br />data and <br />erroneous data <br />the mean daily gage <br />height <br />was taken from <br />the chart. <br />The <br />control <br />was cleaned <br />of <br />debris <br />on February 24, <br />resulting in <br />a -0.05 <br />correction <br />to <br />the record. <br />This <br />was applied within the <br />shift program. <br />The record is good. <br />Station maintained <br />and <br />record <br />developed <br />by Brent <br />Schantz. <br />RATING <br />TABLE.--CLEDERC034 <br />USED <br />FROM 01 -OCT -1999 TO 30 <br />-SEP -2000 <br />DISCHARGE, IN CFS, <br />WATER YEAR OCTOBER 1999 <br />TO SEPTEMBER 2000 <br />MEAN VALUES <br />DAY <br />OCT <br />NOV <br />DEC <br />JAN <br />FEB <br />MAR <br />APR <br />MAY <br />JUN <br />JUL <br />AUG <br />SEP <br />1 <br />9.2 <br />96 <br />16 <br />54 <br />21 <br />25 <br />106 <br />37 <br />316 <br />155 <br />6.6 <br />51 <br />2 <br />13 <br />86 <br />13 <br />54 <br />30 <br />25 <br />75 <br />3.4 <br />257 <br />147 <br />9.6 <br />36 <br />3 <br />19 <br />91 <br />35 <br />56 <br />52 <br />27 <br />56 <br />6.3 <br />217 <br />137 <br />8.2 <br />132 <br />4 <br />20 <br />86 <br />40 <br />34 <br />37 <br />25 <br />28 <br />38 <br />225 <br />102 <br />22 <br />121 <br />5 <br />21 <br />85 <br />21 <br />42 <br />34 <br />28 <br />19 <br />79 <br />243 <br />41 <br />30 <br />96 <br />6 <br />11 <br />77 <br />37 <br />45 <br />39 <br />39 <br />17 <br />143 <br />199 <br />22 <br />11 <br />65 <br />7 <br />14 <br />75 <br />32 <br />37 <br />35 <br />53 <br />11 <br />176 <br />348 <br />36 <br />7.7 <br />55 <br />8 <br />16 <br />71 <br />43 <br />54 <br />31 <br />47 <br />9.7 <br />529 <br />326 <br />17 <br />7.8 <br />24 <br />9 <br />8.9 <br />72 <br />32 <br />51 <br />34 <br />18 <br />6.5 <br />379 <br />288 <br />23 <br />6.3 <br />19 <br />10 <br />7.1 <br />67 <br />29 <br />46 <br />49 <br />15 <br />6.6 <br />332 <br />349 <br />65 <br />6.1 <br />20 <br />11 <br />7.9 <br />60 <br />30 <br />35 <br />52 <br />19 <br />21 <br />250 <br />286 <br />30 <br />6.6 <br />12 <br />12 <br />46 <br />57 <br />16 <br />35 <br />62 <br />18 <br />35 <br />268 <br />231 <br />27 <br />8.4 <br />8.8 <br />13 <br />14 <br />62 <br />15 <br />31 <br />52 <br />16 <br />7.3 <br />184 <br />186 <br />23 <br />8.3 <br />8.6 <br />14 <br />9.7 <br />62 <br />25 <br />24 <br />46 <br />13 <br />9.9 <br />214 <br />146 <br />13 <br />8.8 <br />9 <br />15 <br />12 <br />44 <br />11 <br />21 <br />55 <br />35 <br />28 <br />180 <br />126 <br />12 <br />8.9 <br />9 <br />16 <br />49 <br />16 <br />11 <br />24 <br />49 <br />99 <br />29 <br />150 <br />124 <br />256 <br />39 <br />7.1 <br />17 <br />38 <br />13 <br />38 <br />25 <br />52 <br />43 <br />10 <br />383 <br />210 <br />1070 <br />403 <br />7.2 <br />18 <br />36 <br />16 <br />29 <br />28 <br />71 <br />33 <br />30 <br />347 <br />136 <br />224 <br />263 <br />7.3 <br />19 <br />50 <br />24 <br />26 <br />30 <br />56 <br />25 <br />68 <br />198 <br />126 <br />57 <br />58 <br />5.3 <br />20 <br />41 <br />18 <br />21 <br />28 <br />46 <br />26 <br />37 <br />161 <br />239 <br />47 <br />21 <br />88 <br />21 <br />47 <br />17 <br />27 <br />26 <br />28 <br />38 <br />26 <br />138 <br />83 <br />15 <br />21 <br />22 <br />22 <br />53 <br />67 <br />25 <br />27 <br />15 <br />23 <br />52 <br />134 <br />38 <br />11 <br />23 <br />33 <br />23 <br />49 <br />28 <br />42 <br />23 <br />16 <br />17 <br />104 <br />218 <br />43 <br />10 <br />17 <br />61 <br />24 <br />45 <br />19 <br />48 <br />17 <br />19 <br />17 <br />95 <br />395 <br />66 <br />10 <br />18 <br />64 <br />25 <br />46 <br />16 <br />46 <br />26 <br />41 <br />17 <br />29 <br />542 <br />134 <br />9.7 <br />24 <br />24 <br />26 <br />40 <br />28 <br />48 <br />44 <br />38 <br />14 <br />20 <br />350 <br />312 <br />9.3 <br />57 <br />16 <br />27 <br />39 <br />35 <br />51 <br />66 <br />33 <br />9.2 <br />8.3 <br />95 <br />270 <br />8.7 <br />55 <br />15 <br />28 <br />40 <br />25 <br />57 <br />40 <br />39 <br />8.3 <br />11 <br />44 <br />146 <br />8.5 <br />60 <br />13 <br />29 <br />46 <br />22 <br />56 <br />25 <br />27 <br />33 <br />22 <br />153 <br />71 <br />8.2 <br />145 <br />13 <br />30 <br />53 <br />17 <br />54 <br />20 <br />--- <br />35 <br />142 <br />325 <br />40 <br />7.4 <br />100 <br />20 <br />31 <br />64 <br />--- <br />50 <br />21 <br />--- <br />117 <br />--- <br />363 <br />--- <br />7.3 <br />61 <br />--- <br />TOTAL <br />964.8 <br />1452 <br />1024 <br />1089 <br />1159 <br />957.5 1119.3 <br />6814.7 <br />5781 <br />2609.1 <br />1521.3 <br />1062.3 <br />MEAN <br />31.1 <br />48.4 <br />33 <br />35.1 <br />40 <br />30.9 <br />37.3 <br />220 <br />193 <br />84.2 <br />49.1 <br />35.4 <br />AC -FT <br />1910 <br />2880 <br />2030 <br />2160 <br />2300 <br />1900 <br />2220 <br />13520 <br />11470 <br />5180 <br />3020 <br />2110 <br />MAX <br />64 <br />96 <br />57 <br />66 <br />71 <br />117 <br />142 <br />542 <br />349 <br />1070 <br />403 <br />132 <br />MIN <br />7.1 <br />13 <br />11 <br />17 <br />15 <br />8.3 <br />6.5 <br />3.4 <br />38 <br />7.3 <br />6.1 <br />5.3 <br />CAL YR <br />1999 <br />TOTAL <br />0 <br />MEAN <br />0 MAX <br />0 <br />MIN <br />0 <br />AC -FT <br />0 <br />WTR YR <br />2000 <br />TOTAL <br />25554 <br />MEAN 69.8 <br />MAX <br />1070 <br />MIN <br />3.4 <br />AC -FT <br />50690 <br />MAX DISCH: <br />2800 CFS AT <br />00:45 ON Jul. 17, <br />2000 GH <br />4.13 FT. <br />SHIFT <br />0.05 FT. <br />MAX GH: <br />4.13 FT. AT 00:45 ON <br />Jul. 17, 2000 <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br />1500 <br />1000 <br />500 <br />0 -�V wv <br />Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep <br />