<br />r'1 r" "}:~ 'i:;
<br />, )'~ ~ ~ . ,
<br />
<br />Table a.-Daily mean discharge, GS09 (South Walnut Creek Below Pond B-4), water year 1996
<br />
<br />SITE NUMBER.--GS09
<br />
<br />SOUTH WALNUT CREEK BELOW POND B-4
<br />
<br />STATION IDENTIFICATION.--395342105110800
<br />
<br />SEP
<br />
<br />
<br />LOCATION.--Lat 39053'42", long 105011'08", in SE1/4NE1/4 sec.ll, T.2 S., R.70 W., Jefferson County,
<br />Hydrologic Unit 10190003, Rocky Flats Environmental Technology Site, just downstream from Pond
<br />B-4 dam.
<br />DRAINAGE AREA.--O.33 mi2.
<br />
<br />PERIOD OF RECORD.--March 1994 to current year.
<br />
<br />GAGE.--Water-stage recorder and rectangular weir. Elevation of gage is 5,820 ft above sea level.
<br />
<br />REMARKS.--Records fair except for estimated daily discharges, which are poor. Flow is regulated by
<br />B-Series ponds.
<br />
<br />DAY
<br />
<br />TOTAL
<br />MEAN
<br />MAX
<br />MIN
<br />AC-FT
<br />
<br />OCT
<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 />
<br />16
<br />17
<br />16
<br />19
<br />20
<br />
<br />21
<br />22
<br />23
<br />24
<br />25
<br />26
<br />27
<br />28
<br />29
<br />30
<br />31
<br />
<br />.38
<br />.06
<br />...
<br />,41
<br />.30
<br />.10
<br />.22
<br />.21
<br />.05
<br />.35
<br />.06
<br />7.44
<br />.24
<br />...
<br />.05
<br />15
<br />
<br />NDV
<br />
<br />DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
<br />DAILY MEAN VALUES
<br />
<br />JUN
<br />
<br />JUL
<br />
<br />,27
<br />,20
<br />,40
<br />,25
<br />,25
<br />
<br />,42
<br />,36
<br />,24
<br />,33
<br />,24
<br />,14
<br />,29
<br />.40
<br />.30
<br />,12
<br />.21
<br />.20
<br />.35
<br />.10
<br />.16
<br />.19
<br />.19
<br />.10
<br />.39
<br />,10
<br />
<br />DEC
<br />
<br />.14
<br />.09
<br />.22
<br />.23
<br />.49
<br />.28
<br />.07
<br />.17
<br />.17
<br />.07
<br />.18
<br />.10
<br />.40
<br />.14
<br />.02
<br />.04
<br />5.97
<br />.19
<br />.49
<br />.02
<br />12
<br />
<br />JAN
<br />
<br />,27
<br />,05
<br />,14
<br />,28
<br />,32
<br />,42
<br />,14
<br />,10
<br />.14
<br />,25
<br />.26
<br />.17
<br />.15
<br />.33
<br />.14
<br />
<br />.19
<br />.13
<br />.26
<br />.19
<br />,18
<br />,24
<br />,40
<br />,31
<br />,14
<br />.23
<br />,36
<br />,21
<br />,23
<br />,10
<br />,35
<br />
<br />.10
<br />e.24
<br />e.26
<br />,28
<br />.10
<br />
<br />7.49
<br />,26
<br />,54
<br />.10
<br />15
<br />
<br />FEE
<br />
<br />.21
<br />.54
<br />.35
<br />.22
<br />.13
<br />.23
<br />.53
<br />.26
<br />.38
<br />.13
<br />.11
<br />,14
<br />.22
<br />.38
<br />.23
<br />
<br />.50
<br />.31
<br />.22
<br />.15
<br />.12
<br />
<br />.14
<br />.42
<br />.13
<br />.46
<br />
<br />.58
<br />.43
<br />,53
<br />,11
<br />.34
<br />,42
<br />11.70
<br />.38
<br />.87
<br />.09
<br />23
<br />
<br />.25
<br />,06
<br />.20
<br />.28
<br />.26
<br />.21
<br />.27
<br />,34
<br />.21
<br />.21
<br />
<br />.16
<br />.09
<br />.22
<br />.23
<br />,44
<br />
<br />.36
<br />.20
<br />.04
<br />.04
<br />.13
<br />.13
<br />.57
<br />.29
<br />.27
<br />.34
<br />
<br />7.20
<br />.24
<br />.57
<br />.04
<br />14
<br />
<br />.31
<br />.27
<br />,24
<br />.33
<br />,05
<br />
<br />,27
<br />.19
<br />,10
<br />,20
<br />.39
<br />,45
<br />.06
<br />,05
<br />,24
<br />.39
<br />,21
<br />
<br />7.27
<br />,23
<br />.45
<br />.05
<br />14
<br />
<br />MAR
<br />
<br />.35
<br />.31
<br />.09
<br />.24
<br />.35
<br />.42
<br />.13
<br />,09
<br />.26
<br />.18
<br />.43
<br />.27
<br />.39
<br />.87
<br />,'70
<br />,29
<br />.40
<br />.59
<br />,46
<br />.40
<br />
<br />.54
<br />.14
<br />.57
<br />.40
<br />1.6
<br />
<br />APR
<br />
<br />MAY
<br />
<br />,19
<br />.42
<br />,18
<br />,78
<br />.50
<br />
<br />13.55
<br />.45
<br />1.6
<br />.12
<br />27
<br />
<br />.38
<br />.52
<br />.49
<br />,42
<br />.57
<br />
<br />.73
<br />.34
<br />.51
<br />.20
<br />.25
<br />.44
<br />.28
<br />.41
<br />1.2
<br />.67
<br />
<br />.80
<br />.52
<br />.28
<br />.35
<br />.28
<br />.44
<br />.36
<br />.42
<br />.47
<br />.26
<br />
<br />.24
<br />.11
<br />.49
<br />.34
<br />.35
<br />.23
<br />.42
<br />.12
<br />.19
<br />.44
<br />.12
<br />.45
<br />.43
<br />.80
<br />3.8
<br />
<br />.20
<br />.73
<br />.20
<br />.65
<br />.37
<br />
<br />.44
<br />.12
<br />.27
<br />.33
<br />.43
<br />
<br />6.0
<br />1.0
<br />1.1
<br />.78
<br />.77
<br />.15
<br />
<br />23.36
<br />.75
<br />6.0
<br />.11
<br />46
<br />
<br />STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1994
<br />
<br />1996, BY WATER YEAR (WY)
<br />
<br />MEAN
<br />MAX
<br />(W'll
<br />MIN
<br />(W'll
<br />
<br />.25
<br />.25
<br />1995
<br />.24
<br />1996
<br />
<br />.24
<br />.24
<br />1995
<br />.24
<br />1996
<br />
<br />SUMMARY STATISTICS
<br />
<br />ANNUAL TOTAL
<br />ANNUAL MEAN
<br />HIGHEST ANNUAL MEAN
<br />LOWEST ANNUAL MEAN
<br />HIGHEST DAILY MEAN
<br />LOWEST DAILY MEAN
<br />ANNUAL SEVEN-DAY MINIMUM
<br />ANNUAL RUNOFF (AC-FT)
<br />10 PERCENT EXCEEDS
<br />50 PERCENT EXCEEDS
<br />90 PERCENT EXCEEDS
<br />
<br />.16
<br />.19
<br />1996
<br />.13
<br />1995
<br />
<br />.19
<br />.23
<br />1996
<br />.15
<br />1995
<br />
<br />.23
<br />.26
<br />1996
<br />.19
<br />1995
<br />
<br />FOR 1995 CALENDAR YEAR
<br />147.89
<br />.41
<br />
<br />a also occurred Sep. 20-21
<br />b No flow at times most years
<br />e Estimated
<br />
<br />.14
<br />,01
<br />.12
<br />293
<br />.78
<br />.25
<br />.09
<br />
<br />May 17
<br />Jan 7
<br />Jan 1
<br />
<br />.30
<br />,38
<br />1996
<br />,23
<br />1995
<br />
<br />.60
<br />.80
<br />1995
<br />.45
<br />1996
<br />
<br />.79
<br />1.19
<br />1995
<br />.44
<br />1994
<br />
<br />FOR 1996 WATER YEAR
<br />120.76
<br />.33
<br />
<br />6.0
<br />a.OO
<br />.14
<br />240
<br />.54
<br />.26
<br />,10
<br />
<br />May 26
<br />Sep 19
<br />Dee 25
<br />
<br />.11
<br />.50
<br />.27
<br />.25
<br />.46
<br />.58
<br />.45
<br />.19
<br />.21
<br />1.0
<br />
<br />11.63
<br />.39
<br />1.0
<br />.11
<br />23
<br />
<br />.45
<br />.74
<br />1995
<br />.24
<br />1994
<br />
<br />.69
<br />.32
<br />.41
<br />.54
<br />.31
<br />
<br />.38
<br />.35
<br />.12
<br />.16
<br />,20
<br />,24
<br />.24
<br />.38
<br />.83
<br />.58
<br />.18
<br />.33
<br />.19
<br />.14
<br />.29
<br />
<br />.59
<br />.51
<br />.25
<br />.43
<br />.51
<br />
<br />.30
<br />.37
<br />.30
<br />.07
<br />.35
<br />.02
<br />.39
<br />.16
<br />.18
<br />.31
<br />
<br />.15
<br />.45
<br />.41
<br />.38
<br />.18
<br />
<br />.57
<br />.28
<br />.21
<br />.21
<br />.21
<br />
<br />.17
<br />.23
<br />.11
<br />.60
<br />.20
<br />,41
<br />8.78
<br />.28
<br />.83
<br />.02
<br />17
<br />
<br />.26
<br />.32
<br />1995
<br />.17
<br />1994
<br />
<br />AUG
<br />
<br />7.45
<br />.24
<br />.88
<br />.04
<br />15
<br />
<br />.25
<br />.27
<br />1995
<br />.24
<br />1996
<br />
<br />WATER YEARS 1994
<br />
<br />.37
<br />.40
<br />.33
<br />.14
<br />b.OO
<br />.06
<br />265
<br />.60
<br />.24
<br />.10
<br />
<br />.23
<br />.13
<br />.12
<br />.14
<br />.31
<br />.47
<br />.21
<br />.28
<br />.04
<br />.13
<br />.17
<br />.21
<br />.12
<br />.23
<br />.28
<br />
<br />.13
<br />.24
<br />.24
<br />.34
<br />.03
<br />.58
<br />.19
<br />.11
<br />.24
<br />.10
<br />.34
<br />.51
<br />.19
<br />.38
<br />.12
<br />
<br />.47
<br />.12
<br />.88
<br />.37
<br />.24
<br />.31
<br />.20
<br />.24
<br />.18
<br />.12
<br />.22
<br />.29
<br />.42
<br />.11
<br />.09
<br />.12
<br />
<br />.27
<br />.45
<br />.52
<br />.00
<br />.00
<br />.00
<br />.04
<br />.48
<br />.38
<br />.23
<br />.73
<br />.93
<br />.37
<br />.25
<br />.53
<br />
<br />8.92
<br />.30
<br />.93
<br />.00
<br />18
<br />
<br />.28
<br />.30
<br />1995
<br />,24
<br />1994
<br />1996
<br />
<br />1995
<br />1996
<br />May 17 1995
<br />Jul 7 1994
<br />Dee 28 1994
<br />
<br />Surface-Water Data 15
<br />
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