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<br />22 <br /> <br />PLATTE RIVER BASIN <br /> <br />06724000 ST. VRAIN CREEK AT LYONS, CO <br /> <br />LOCATION.--Lat 40013'05", long 105015'34", in ~ sec. 20, T.3 N" R.70 W., Boulder County, Hydrologic <br />Unit 10190005, on left bank 75 ft southwest of U.S. Highway 36 (State Highways 7 and 66) at <br />southeast edge of Lyons, 400 ft upstream from St. Vrain Supply Canal, and 0.4 mi downstream from <br />confluence of North and South St. Vrain Creeks. <br /> <br />DRAiNAGE .AREA. --212 mi a. <br /> <br />GAGE.--water-stage recorder with satellite telemetry in timber shelter. The DCP is the primary record with <br />chart recorder as backup. <br /> <br />REMARKS.--Record is complete and reliable. <br />1996; June 25, 1996. Record is good. <br /> <br />Graphic chart record was used on Dec. 31, 1995; Jan. 1-10, <br />Station maintained and record developed by Fred Renner. <br /> <br />RATZNG TABLE.--SVCLYOC020 USED FROM Ol-OCT-1995 TO 30-SEP-1996 <br /> <br />DAY <br /> <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 <br />27 <br />28 <br />29 <br />30 <br />31 <br /> <br />DCT <br /> <br />54 <br />49 <br />44 <br />45 <br />46 <br />41 <br />47 <br />45 <br />38 <br />41 <br />36 <br />38 <br />45 <br />45 <br />44 <br />45 <br />49 <br />48 <br />42 <br />40 <br />36 <br />38 <br />37 <br />34 <br />32 <br />30 <br />31 <br />27 <br />30 <br />31 <br />37 <br /> <br />TOTAL 1245 <br />MEAN 40.2 <br />AC-FT 2470 <br />MAX 54 <br />MIN 27 <br /> <br />NOV <br /> <br />39 <br />34 <br />32 <br />35 <br />33 <br />35 <br />33 <br />29 <br />27 <br />30 <br />27 <br />32 <br />33 <br />34 <br />31 <br />29 <br />28 <br />27 <br />28 <br />27 <br />26 <br />26 <br />25 <br />24 <br />26 <br />24 <br />25 <br />21 <br />28 <br />31 <br /> <br />879 <br />29.3 <br />1740 <br />39 <br />21 <br /> <br />CAL YR 1995 TOTAL <br />WTR YR 1996 TOTAL <br /> <br />DISCHARGE, IN crs, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 <br />MEAN VALUES <br /> <br />DEe <br /> <br />30 <br />29 <br />27 <br />25 <br />25 <br />27 <br />26 <br />20 <br />15 <br />33 <br />34 <br />28 <br />27 <br />24 <br />22 <br />24 <br />27 <br />24 <br />18 <br />18 <br />18 <br />23 <br />20 <br />25 <br />26 <br />22 <br />18 <br />18 <br />18 <br />21 <br />22 <br /> <br />734 <br />23.7 <br />1460 <br />34 <br />15 <br /> <br />78787 MEAN <br />52420 MEAN <br /> <br />JAN <br /> <br />22 <br />20 <br />20 <br />19 <br />19 <br />18 <br />22 <br />22 <br />20 <br />20 <br />20 <br />20 <br />21 <br />20 <br />21 <br />20 <br />19 <br />17 <br />21 <br />21 <br />22 <br />21 <br />19 <br />20 <br />20 <br />18 <br />21 <br />21 <br />20 <br />19 <br />20 <br /> <br />623 <br />20.1 <br />1240 <br />22 <br />17 <br /> <br />FEB <br /> <br />21 <br />21 <br />21 <br />21 <br />21 <br />21 <br />23 <br />25 <br />23 <br />22 <br />18 <br />18 <br />19 <br />20 <br />21 <br />19 <br />20 <br />23 <br />23 <br />23 <br />24 <br />25 <br />24 <br />25 <br />24 <br />23 <br />23 <br />20 <br />22 <br /> <br />633 <br />21.8 <br />1260 <br />25 <br />18 <br /> <br />216 <br />143 <br /> <br />MAX <br />MAX <br /> <br />MAR <br /> <br />924 <br />29.8 <br />1830 <br />59 <br />22 <br />1900 <br />934 <br /> <br />APR <br /> <br />25 <br />25 <br />26 <br />27 <br />26 <br />22 <br />25 <br />28 <br />26 <br />28 <br />24 <br />26 <br />24 <br />26 <br />24 <br />25 <br />27 <br />26 <br />24 <br />25 <br />26 <br />27 <br />33 <br />36 <br />29 <br />37 <br />36 <br />37 <br />44 <br />51 <br />59 <br /> <br />60 <br />66 <br />74 <br />80 <br />80 <br />88 <br />96 <br />104 <br />125 <br />140 <br />131 <br />100 <br />97 <br />89 <br />84 <br />81 <br />82 <br />80 <br />82 <br />78 <br />74 <br />70 <br />51 <br />44 <br />75 <br />95 <br />91 <br />91 <br />86 <br />77 <br /> <br />MAY <br /> <br />82 <br />91 <br />90 <br />101 <br />117 <br />137 <br />160 <br />177 <br />192 <br />196 <br />195 <br />214 <br />237 <br />246 <br />231 <br />293 <br />514 <br />490 <br />505 <br />497 <br />427 <br />395 <br />449 <br />524 <br />801 <br />934 <br />929 <br />716 <br />613 <br />583 <br />534 <br /> <br />11670 <br />376 <br />23150 <br />934 <br />82 <br /> <br />13 AC- FT <br />15 AC-FT <br /> <br />JON <br /> <br />484 <br />438 <br />440 <br />488 <br />591 <br />729 <br />678 <br />667 <br />675 <br />676 <br />659 <br />681 <br />111 <br />685 <br />709 <br />783 <br />784 <br />746 <br />668 <br />634 <br />701 <br />856 <br />686 <br />604 <br />578 <br />520 <br />510 <br />493 <br />443 <br />423 <br /> <br />18740 <br />625 <br />37170 <br />856 <br />423 <br /> <br />JUL <br /> <br />418 <br />431 <br />414 <br />419 <br />415 <br />448 <br />476 <br />410 <br />369 <br />318 <br />277 <br />276 <br />260 <br />245 <br />250 <br />240 <br />224 <br />244 <br />273 <br />262 <br />239 <br />216 <br />202 <br />190 <br />182 <br />172 <br />161 <br />153 <br />185 <br />221 <br />191 <br /> <br />8781 <br />283 <br />17420 <br />476 <br />153 <br /> <br />156300 <br />104000 <br /> <br />AUG <br /> <br />172 <br />163 <br />111 <br />172 <br />158 <br />139 <br />132 <br />127 <br />128 <br />128 <br />121 <br />110 <br />97 <br />93 <br />97 <br />96 <br />91 <br />85 <br />96 <br />106 <br />91 <br />90 <br />89 <br />90 <br />88 <br />84 <br />78 <br />70 <br />70 <br />74 <br />70 <br /> <br />3376 <br />109 <br />6700 <br />172 <br />70 <br /> <br />MAX DISCH 1120 crs AT 1700 26-MAY-1996 GH 5.24 FT. SHIFT -0.09 FT. MAX GH 5.24 FT. AT 1700,26-MAY-1996 <br />FOR MORE COMPLETE OR DETAILED INFORMATION SEE DAILY OR MONTHLY RECORD. <br /> <br />1000 <br />800 <br />600 <br />400 <br />200 <br />o <br /> <br />2571 <br />85.7 <br />5100 <br />140 <br />44 <br /> <br />MIN <br />MIN <br /> <br /> <br />Oct <br /> <br />Nov <br /> <br />Dee <br /> <br />Jan <br /> <br />Feb <br /> <br />Mar <br /> <br />Apr <br /> <br />May <br /> <br />Jun <br /> <br />Jul <br /> <br />Aug <br /> <br />Sep <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />SEP <br /> <br />I <br /> <br />68 <br />70 <br />55 <br />43 <br />43 <br />52 <br />67 <br />76 <br />66 <br />71 <br />76 <br />65 <br />63 <br />61 <br />61 <br />57 <br />57 <br />67 <br />84 <br />68 <br />62 <br />58 <br />60 <br />94 <br />113 <br />133 <br />123 <br />106 <br />III <br />114 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />2244 <br />74.8 <br />4450 <br />133 <br />43 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br />