WSP05420

• File Number: 8407.500
• Description: Platte River Basin - River Basin General Publications - Missouri River
• State: CO
• Basin: South Platte
• Water Division: 1
• Date: 8/1/1966
• Author: Missouri Basin IAC
• Title: Missouri River Basin Comprehensive Framework Study - Streamflow Characteristics - Platte-Niobrara Basins - For Selected Stations through 1963
• Water Supply Pro - Doc Type: Data

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Niobrara River at Wyoming~Nebraska State line

(06-4540)

Location.--tat 42039', long 104004', in SW\' see.IS, T.31 N., R.60 W., on left bank a quarter of a mile downstream from Van Tassel Creek,
0,3 mile upstream from Wyoming-Nebraska State line, and 3 miles east of Van Tassel, Wyo.
Avera~e discharge.--B years, 4.56 cfs (3,300 acre-ft per year).

<::)
DURATION TARLE OF DAILY DISCHARGE <::>
CLASS 0 2 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 (;:;>
c.:;,1
YEa.R NU~BER OF DAYS I N CLASS CFS-DAys on
1956 3 29 32 14 19 2 11 5 21 4 16 4 23 10 33 27 12 12 11 24 27 13 4 9 I 1400.7 CJI
1957 10 21 14 22 26 19 34 9 24 2 25 11 3 5 3 12 18 7 31 13 35 12 6 2 1872.9
1958 3 14 26 38 16 21 19 29 33 31 13 12 22 19 27 14 16 3 5 4 17t15.8
19'59 16 9 7 20 5 12 11 4 " 39 41 40 J8 13 7 4 10 2 8 30 25 II 7 2 1457.5
1960 19 40 15 30 5 18 39 28 19 48 12 8 8 13 12 4 3 8 21 6 I 3 4 1787.5
1961 4 17 4 32 26115 13 7 8 9 27 16 9 15 16 ; 8 7 9 4 ; 4 2 2 t184.4
1962 62 '4 63 20 13 13 21 13 22 10 8 6 9 7 12 II 13 4 5 , 1 , 2 , Pi7'. A
1963 15 '6 11 16 26 34 26 23 43 11 11 8 2 9 5 2~ 24 21 6 2 ; , lQ7A.q
CLASS CF5 TOTAL ACCU"" DF.Q(T ClA5S (FS TOTAL ACCU~ PFRCT ("LASS CF~ TOTAL A('(U'" P~R(T (l6,SS ("FS T()T~L ^(('U~ P~q("T
.0 1t'J95 10.....0 09 3.1 638 58.3 18 4.0 48 3'36 3n.7 27 8.0 27 " ,.-
I 1.4 4 1095 10".0 10 3.2 54 6'8 58., 19 4,2 4' 2R8 2(..3 ?8 In " '^ '.'
2 1.7 17 1091 99.6 11 3.' 584 5,.::\ 20 4,4 ?J 247 2'.1 29 12 , " 2.1 !;j
3 2.0 4 1074 91hl 12 3.4 56 584 53.3 21 4,6 16 721 2n.2 '0 14 6 1_ 1.6
4 2.2 32 11')70 97.7 13 3.' I 528 48.2 >? 4.8 ,^ 20J; lA.7 " 20 8 12 1.1 '"
5 2.4 41 10"38 94.8 14 3.6 66 527 4R.l 2' 5.0 25 1R9 17., 32 80 2 4 .4 ;
6 2.6 213 997 91.1 15 3.7 on 461 42.1 24 5.5 21 "4 1~.n JJ 140 2 2 .2
7 2.8 60 784 71..6 16 3.8 401 36.6 " 0.0 39 14' 13.1 34 .0
8 ,.0 86 7::'4 6(,.1 j7 3.9 ^' 4~1 ':In.6 26 7,0 4' 104 9.5 35 '"
,
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HIGHEST MEAN DISCHARGE. IN tFS. FOR THE FOLLOWING NUMBER OF CONSECUTIVE DAYS IN YEAR ENDING SEPTEMBER 30 I
YEAR 1 3 7 t5 30 60 90 120 150 t83 274 ANNUAL PEAK
1956 12.0 ..1 7.3 6.3 5. . 5.1 4.9 4.7 4.7 4.6 4.3 3.83 21
1951 35.0 18.6 11.6 10.5 10.3 9.7 8.6 8.0 7.5 6.9 5.8 5.13 220 ~
1958 19.0 14.3 13.6 11.7 10.2 8.6 7.5 6.7 6.3 6.1 5.4 4.89 52 H
1959 14.0 10.8 8.1 7.9 7.1 6.5 6.0 5.7 5.3 5.0 4.5 3.99 140 '"
1960 140.0 105.0 49.9 34.7 20.3 13.6 10.5 8.. 7.7 7.0 5.8 4.88 322
1961 11'.0 10.1 ~.8 7.1 5.8 5.1 4.8 4.6 4.' 4.1 '.6 j.~4 lL
1962 149.0 84.7 38.7 7.1.6 12.8 9., 7.6 7.0 8.0 7.3 '.- 5.13 465
1963 150.0 75.0 44.6 7.6.5 11.4 !;:l.? 1l.3 9.5 8.5 7.6 6.' 5.42 200
lOWEST MEAN. DISCHARGE. IN CFS. FOR THE FOLLOWING NUMBER OF CONSECUTIVE DAYS IN YEAR BEGINNING APRIL
YEAR 1 3 7 14 30 60 90 120 t50 183 274
1956 2.1 2.2 2.3 2.3 2.4 2.5 2.5 2.6 2.8 2.9 3.2
1957 3.0 3.0 3.0 3.0 3.1 3.2 1.4 3.5 308 4.0 4.4
1958 2.6 2.6 2.7 2.9 3.1 3.2 3.3 304 304 3.5 3.5
1959 1.4 1.4 t.4 1.5 1.7 2.0 2.3 2.6 2.8 2.9 3.3
1960 2.0 2.0 2..... 2.0 2.1 '.2 2.' 2.4 '.4 2.5 7.7
1961 1.4 t.4 t.6 1.7 1.8 2.t 2.2 2.3 :?4 2.5 :?9
1962 2.6 7..6 7..6 2.6 2.7 2.9 3.1 3.3 3.4 ,.4 ~.7
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