DWR_4151824

• Title: SEPTEMBER 1997 SWSI: COLORADO WATER SUPPLY CONDITIONS UPDATE, SURFACE WATER SUPPLY INDEX
• Year: 1997
• Document Type - Publications and Reports: SWSI Monthly Report

ARKANSAS BASIN September, 1997
Basinwide Conditions Assessment:
The SWSI value of 2.9 indicates that for August the ARKANSAS RIVER BASIN
basin water supplies were above normal. Flow at the gaging S _ surf..8StK supply Index Hiatt-,
station Arkansas River near Portland averaged 1,264 cfs, as 4
compared to the long term average of 1,008 cfs. Storage in ;° ; J`'
Turquoise, Twin Lakes, Pueblo, and John Martin reservoirs _ [ 7
3- ,I . _
totaled 221% of normal as of the end of August. 2- _ ' , _ 1-
g . - li ' ' 1-
1 „.„ ..........lit
."11imbilll' 4,lr
11 pi 1-- '
1 -,
..,-, .
G 1:1 :
_4 ,.. ..
JAN89 JAN99 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JANS7
N9NTW YEAR
ARKANSAS RIVER NR. PORTLAND
FLOW BY WATER YEAR
1
O.9
O.8
//-7-----'41
i O.7 r
e
■
0 0.5 -
it.u p 4 _
1 0.a
0.1
0
Ott Nov Ore Jan Feb 'arch Nor 11 'Any Juno Ju ty Aug Soot
LgNTH
0 WET C1904) O DRY C1977) G AVG % 1997
REPRESENTATIVE RESERVOIRS
320 ARKANSAS RIVER BASIN
lUll
70 re r 1
2:_.'Al S k A 6 I k A I 01. r:/.41.
John Nartln Pueblo Turquolco Twin L*ASN
® Avg. 19,31 Content+ ® 8/31/97 Content*
4