WSP02796

• File Number: 8056
• Description: Drought Preparedness
• State: CO
• Basin: Statewide
• Date: 11/1/1990
• Author: BOR
• Title: The Drought of 1990 in the Western States and the Outlook for 1991
• Water Supply Pro - Doc Type: Report/Study

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Table 1
SNOW WATER EQUIVALENTS'

River Basin
Number Basin

Februarv 1. 1990 Mav 1. 1990
----------percent of average---------

1 South Fork Flathead
2 Yakima
4 Upper Snake
5 Boise'
6 Payette
7 Owyhee'
8 Malheur
9 Umatilla
10 Deschutes
11 Rogue'
13 Sacramento
14 Trinity
16 American
17 San Joaquin
18 Stanislaus
20 Colorado Headwaters
21 Upper Rio Grande
22 Upper Missouri
23 Bighorn
24 North Platte
26 South Platte
27 Arkansas
28 Upper Green
29 Gunnison
30 San Juan'
31 Salt
32 Little Colorado
33 Verde
34 San Francisco-Gila
35 Dolores

N/A
83
79
55
55
40
40
17
17
13
54
43
49
61
39
71
53
N/A'
100
80
80
62
87
44
23
17
23
67
45
23

94
76
50
40
40
13
13
9
40
13
28
1
17
23
12
78
59
96
109
77
100
79
49
68
76
o
22
1
41
76

, Equivalent depth of water contained in the snow. Basio numbers correspond to numbers on
the map.

, Data for the Boise River basin are combined with Payette River basin data prior to averaging,

, Owyhee River basin data are combined with Malheur basin data prior to averaging,

· Rogue River basin data are combined with Umpqua River basin data prior to averaging.

, Not available.

, San Juan basin data is combined with Dolores River basin data prior to averaging.

16