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<br />Table 14.-Daily mean discharge, SW093 (Walnut Creek below Portal 3), water year 1996
<br />
<br />
<br /> WALNUT CREEK BELOW PORTAL 3
<br />SITE NUMBER.-'SW093
<br />STATION IDENTIFICATION.--395349105114900
<br />LQCATION.--Lat 39053' 49" , long 105011'4911, in NE1/4NW1/4 sec.11, T.2 S. , R.70 W., Jefferson
<br /> County, Hydrologic Unit 10190003, Rocky Flats Environmental Technology Site, 1,000 feet above
<br /> the A-l Bypass 1 and 15 feet below a 60-inch corrugated metal culvert.
<br />DRAINAGE AREA. -.0.36 mi2.
<br />PERIOD OF RECORD. . - March 199' to current year.
<br />GAGE.--Water-stage recorder and Parshall flume with weir plate. Elevation of gage is 5,895 it
<br />above sea level.
<br />REMARKS.--Records good except for estimated daily discharges, which are poor.
<br /> DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
<br /> DAILY MEAN VALUES
<br />DAY OCT NOV DEe JAN FEB MAR APR MAY JlJN JUL AUG SEP
<br />1 ,10 ,05 ,08 .05 .09 .05 ,15 ,11 .2' .08 ,08 .OS
<br />2 ,07 ,10 ,OS .05 .11 .05 ,12 .0' .21 .08 .DB .04
<br />3 ,05 ,0' ,05 .05 ,13 .04 ,12 .DB ,1' .07 .08 .0'
<br />4 ,0' ,0' .04 .OS ,15 .04 .32 .DB ,18 .07 .12 .07
<br />5 .05 .OS .04 .DB ,lJ .03 1.. ,DB ,1' .DB .01 ,07
<br />. .03 .04 .03 .DB .11 ,04 .52 .DB .14 ,10 .01 .35
<br />7 ,03 .03 .03 ,0' .DB ,OS .33 .DB .14 ,OS .02 .10
<br />, ,03 .04 ,03 ,06 .01 .DB .2' .08 .13 .05 .01 .08
<br />. .03 ,05 ,03 ,05 .04 .07 .21 1.0 .11 .55 .02 .08
<br />10 ,03 ,10 ,0' ,04 .04 .0' .17 ,24 .12 .18 ,05 .DB
<br />11 ,03 ,04 ,03 .02 .04 .06 ,1' ,lJ .11 .10 .05 .32
<br />12 ,03 ,03 ,03 .01 ,04 .OS .16 ,10 ,11 .0' .06 ,22
<br />lJ ,03 ,06 .03 .02 ,06 ,17 ,22 .10 ,11 ,0' .06 .11
<br />14 ,03 ,03 .03 .07 ,11 ,68 .1' .09 ,11 ,0' .06 .13
<br />15 ,03 ,03 .03 .06 ,10 .82 .15 .DB ,83 ,DB .07 .20
<br />16 .04 ,03 .03 ,03 .DB ,37 .lJ .DB .21 ,DB ,32 .10
<br />17 .03 .0-3 .03 ,03 .DB ,31 .11 .07 .15 .0' ,08 .40
<br />18 .04 ,03 .03 ,03 ,DB .22 .11 .07 .lJ .08 ,73 3,6
<br />19 .04 ,03 ,03 .04 .DB .18 ,11 ,0' .10 .08 ,11 .75
<br />20 ,05 .03 ,03 .05 .DB .15 ,11 ,07 .11 .DB .0' ,17
<br />21 ,05 ,03 ,04 .04 ,d' .lJ ,lJ .07 ,lJ ,DB .07 .lJ
<br />22 ,21 .03 .05 .03 ,07 .12 .69 .07 .31 .DB ,05 .11
<br />23 ,31 ,03 .05 .05 ,03 ,lJ ,20 .12 .lJ .07 ,05 .11
<br />24 ,06 ,03 .05 ,OS ,04 ,71 .14 .56 .11 .DB ,os .11
<br />25 e.l0 .03 ,05 ,05 .03 .56 .11 3.' .10 .DB .06 .26
<br />26 e.10 ,03 ,05 .06 ,04 .52 ,11 7,4 .09 .DB .07 ,47
<br />27 e.10 ,36 ,05 .DB ,05 .50 ,11 ,'2 ,10 .07 .08 1.2
<br />28 e.10 .10 ,os ,DB ,05 ,27 .11 .94 ,10 ,lJ .08 .29
<br />29 e.10 .18 .05 ,DB .05 ,22 .11 .61 .10 ,30 .08 .18
<br />30 e.10 .09 .05 ,08 ,22 .11 .42 .DB ,10 ,07 .16
<br />31 ,05 .05 ,08 ,17 .34 .DB ,07
<br />TOTAL 2.11 1.86 1.26 1.63 2.09 7.07 7.40 18.02 4.86 3.32 2.83 10.00
<br />MEAN .068 .062 .041 .053 .072 .23 .25 .58 .16 .11 .091 ,33
<br />MAX ,31 ,36 ,08 ,DB .15 .82 1.9 7.4 ,'3 .55 .73 3.6
<br />MIN ,03 ,03 ,03 ,01 ,01 .03 .11 .06 ,08 .OS .01 ,04
<br />AC-FT 4,2 3.7 2,5 3,2 4,1 14 15 36 9,6 6.6 5.6 20
<br />
<br />STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1994 1996. BY WATER YEAR (WY)
<br />MEAN .069 .095 .043 .041 .087 .16 .55 .75 .34 .074 .075
<br />MAX .070 .13 .045 .053 .10 .23 ,93 1.45 .77 .11 .091
<br />(m) 1995 1995 1995 1996 1995 1996 1995 1995 1995 1996 1996
<br />MIN .068 .062 .041 .030 .072 .086 ,25 ,21 .090 .054 .056
<br />(WY) 1996 1996 1996 1995 1996 1995 1996 1994 1994 1994 1995
<br />
<br />.18
<br />.33
<br />1996
<br />.040
<br />1994
<br />
<br />
<br />SUMMARY STATISTICS FDR 1995 C1I.LENDAR YEAR FOR 1996 WATER YEAR
<br />ANNUAL TOTAL 115.69 62.45
<br />ANNUAL MEAN ,32 ,17
<br />HIGHEST ANNUAL MEAN
<br />LOWEST ANNUAL MEAN
<br />HIGHEST DAILY MEAN ell May 17 7,4 May 26
<br />LOWEST DAILY MEAN a.OO Jan 1 b.01 Jan 12
<br />ANNUAL SEVEN-DAY MINIMUM .00 Jan 1 .02 Aug 5
<br />ANNUAL RUNOFF (1I.C-FT) 229 124
<br />10 PERCENT EXCEEDS .75 ,30
<br />50 PERCENT EXCEEDS ,06 .08
<br />90 PERCENT EXCEEDS ,03 .03
<br />a No flow many days
<br />b Also occurred Feb. ,
<br />c No flow at time! moat years
<br />a Estimated
<br />
<br />WATER YEARS 1994 1996
<br />
<br />.25
<br />.32
<br />.17
<br />all
<br />c.OO
<br />.00
<br />17'
<br />.44
<br />.08
<br />,03
<br />
<br />1995
<br />1996
<br />May 17 1995
<br />Dee 23 1994
<br />Dee 23 1994
<br />
<br />Surface-Water Dala 21
<br />
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