DWR_4151715

• Title: DECEMBER 1993 SWSI: COLORADO WATER SUPPLY CONDITIONS UPDATE, SURFACE WATER SUPPLY INDEX
• Year: 1993
• Document Type - Publications and Reports: SWSI Monthly Report

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YAMPA/WHITE BASIN
Basinwide Conditions Assessment:
The SWSI value of +2.9 indicates that for November YAMPA-WHITE RIVER BASINS
the basin water supplies were above normal. The Soil 5 S, ...liter Supply Index History
f
Conservation Service reports December 1 snow pack at 104% 4
of normal. Flow at the gaging station Yampa River at 1
w 3
Steamboat averaged 132 cfs as compared to the 1961-1993 : - .
November average of 124 cfs. Colder temperatures during 2
November signaled the coming of winter. Several good
storms, augmented by manmade snow, provided a sufficient o 0 I .— 1. 1 . ..
Z Iii I II ii 1/1 ij Ill
base for the ski area to open the week before Thanksgiving. _,_ I� 1 ' - ,1N •• �I�1 " 'l I Mhi I
I I ry
Snow depths at higher elevations reached 3.5 feet, and i ' IP
approximately one foot in the valleys. Cold temperatures have c 2 I • I0 '
streams and reservoirs beginning to freeze. Stream flows 3_ - , ; • _
remain at normal levels,with little change in reservoir storage -4 ,...........-. ....... . ....•................ ......m�.
JANB4 JANB5 JAN86 JAN67 JANBB JAN89 JAN90 JAN91 JAN92 JAN93
from the preceding month. IJON711/YEAR
Outlook
Steam flows will continue at, or near,base flow levels
for the remainder of the winter season. Snow fall for
November has provided a good base,although additional snow YAMPA RIVER AT STEAMBOAT
is required to reach an average snowpack. fiD FLOW BY WATER YEAR
Administrative/Management Concerns SD
Administration requirements are expected to remain i
normal for the rest of the winter. t 49
u�
c
O22;' 32
Public Use Impacts
Adverse impacts on public use will be minimal for the s 20
remainder of the year. l V""--x
1O
0
Oct Nov D. Jan Feb Nik cn
MONTH
0 WET C1984) 4 DRY C1977) A AVG X 1994
8