WSP05885

• File Number: 8240.200.38.A
• Description: Coordinated Reservoir Operations
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1998
• Author: CWCB
• Title: 1998 Coordinated Reservoir Operations Bypasses for Endangered Fish - Annual Summary of Operations for 1998 to Benefit the Endangered Fishes of the Upper Colorado River Basin
• Water Supply Pro - Doc Type: Publication

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Table I shows the snowpack update readings from the Natural Resource Conservation Service's automated
SNOTEL (SNOwpack TELemetry) sites. This system has replaced many of the manual measurements at remote
sites. The 1961-1990 is the period used to calculate averages.

Table 1
Snow-Water Accumulation

May I Snow-Water
Watershed Content (inches) Corrmarative Mav I Snow-Water Content
1961-95
%of
CBT Project 1998 Avg. Avg. 1997 1996 1995 1994
WS - Blue River
13.3 14.6 91 20.5 23.4 18.5 13.1
Green Mountain
WS - Upper Colo. R. 6.5 7.7 84 13.2 10.4 7.5 5.3
Willow Creek
WS - Upper Color. R. 8.1 10.4 78 15.7 15.6 10.8 7.6
Lake Granby
ES - Big Thompson 9.3 10.3 90 15.4 14.4 11.3 8.4
Lake Estes
ES 10.5 9.9 106 15.7 14.9 11.6 9.2
St. Vrain
ES 10.9 12.9 84 15.4 16.9 14.0 12.5
Poudre
Fry-Ark Pro_iect
ES 13.0 13.0 100 18.6 15.5 15.6 9.0
UDDer Arkansas
WS 13.1 13.5 97 17.5 16.9 17.7 11.4
Fryingpan R.

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