DWR_4151893

• Title: JANUARY 1994 SWSI: COLORADO WATER SUPPLY CONDITIONS UPDATE, SURFACE WATER SUPPLY INDEX
• Year: 1994
• Document Type - Publications and Reports: SWSI Monthly Report

r
f
.40
SAN JUAN/DOLORES/ANIMAS BASIN
Basinwide Conditions Assessment:
The SWSI value of-1.8 indicates that for December 5AN.JUAN/DOLORES/AN I MAS RIVER BASINS
sin water supplies were below normal. The Soil 1:a face Water Supply Ina's History•
t ' S :1 c
Conservation Service reports January 1 snoW pack atfi 67% of ` 4 -,
normal. Storage in McPhee, Vallecito, and Lemon reservoirs ' ```' II
totaled 122% of normal on December 31. The National 3 Y' ' .1 `
Weather Service reports basin precipitation as 44%of normal 2 , **v. l
during December. Flow at the gaging station Animas River y. 1 1�1' i I I 1 1
near Durango averaged 194 cfs as compared to the 1961-1992 n -' „,.,/,,,, ,1,,4•4 - 4,, , li-J.
, , ,
December average of 227 cfs. ' 1
..
Administrative/Management Concerns o .ii - 1
December was much drier than normal in the San
Juan basin. Durango received 26%of average precipitation to -4
JAMS JAlNN JAN97 JAMB JAMS JAN90 JAN91 JAN92 JAN93 JAN04
bring its water year cumulative to 73% of average. SONTW YEAR
Temperatures were near normal for the entire basin. There is " ' '"`_ '' �'' ' = -
very little snowpack at the lower elevations. The higher than 'f �l '�' r
normal reservoir storage continues to be the only highlight in :,. ' if I .. '':-..' . 1` ' r • - '
the water supply picture.
ANIMAS R I V.ER Nii. DURANGO
_ - , !flow BY WATER YEAR
190 I
190 •
-
170
150
py �Q 140 ,
w��vtG° ii
,10
Y 120
110
gm 100
.2 90
i 90
f
70 `
EO
50
40
0 �J
10-,
Oct Npv Dec Jan Fab Wrch
M01lTH
0 CEO(1973) O 0RY(1977) 0 AVG C 1994
REPRESENTATIVE RESERVOIRS
OOLORES-ANC IMS SAS INS
920
900- j
280-E
^7
3 izoa
u
190
1 i 152-:A
h2 140
ri v
s 120
i 100
g 9D
el) 1
r,..0
1ACPhaa V.Ilsclto Lemon
IZZI Avg. 12/91 COMO.• ® 12/31/99 contacts
9