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WSP05247
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Last modified
7/29/2009 10:24:21 PM
Creation date
10/12/2006 12:55:39 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8210.140.20.A
Description
Colorado River Basin Organizations/Entities - CRBSF - Colorado River Board of California
Date
2/28/2002
Author
CRBC
Title
Colorado River Water Report
Water Supply Pro - Doc Type
Report/Study
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<br />00130.3 . <br /> <br />,~ <br /> <br />, <br /> <br />. <br /> <br />March 1, 2002 Preliminary Forecast of Colorado River Flow into <br />Lake Powell (1) (Million Acre-feet) <br /> <br /> Change From Last <br /> USSR and National Weather Service Month's Forecast <br /> April-Julv Water Year 2002 April-Julv Wat Yr 2002 <br />Maximum (2) 7.300 10.816 -1.000 -0.600 <br />Mean 4.000 * 7.116 - -OAOO 0.000 <br />Minimum (2) 1.200 3.916 0.000 0.400 <br /> <br />. This month's A-J forecast is 50 % of the 30-year A-J average shown below. <br />*" This month's WY forecast is 59 % of the 30-year W-Y average shown below. <br /> <br />Comparison with past records <br />of Colorado River <br />inflow into Lake Powell <br />(at Lee Ferry prior to 1962) <br /> <br />Long-Time Average (1922-2001) <br />30-yr. Average (1961-90) <br />10-yr. Average (1992-2001) <br />Max. of Record <br />Min. of Record <br /> <br />Last Year (2001) <br /> <br />April-Julv Flow <br /> <br />Water Year Flow <br /> <br />8.018 <br />7.735 <br />7.672 <br />15A04 (1984) <br />1.286 (1977) <br />4.301 <br /> <br />11.869 <br />11.724 <br />11.739 <br />21.873 (1984) <br />3.663 (1977) <br />6.955 <br /> <br />(1) Under conditions of no other Upper Basin reservoirs. <br /> <br />(2) USSR and NWS forecasts indicate the probability of 19 chances out of <br />20 that the actual flow will not exceed the maximum value, and will not be <br />less than the minimum value. <br /> <br />-5- <br /> <br />" <br />
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