WMOD00104

• Applicant: North American Weather Consultants, Inc.
• Sponsor Name: Denver Water
• Project Name: Cloud Seeding Evaluation
• Title: Development of Traget/Control Evaluation Procedures For the Denver Board of Water Commissioners Winter Snowpack Enhancement Project
• Prepared For: Denver Water
• Prepared By: NAWC
• Date: 12/31/2002
• County: Summit
• County: Clear Creek
• Weather Modification - Doc Type: Report

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2. Project-Specific Target and Control Area Considerations

The TarQet Area

Denver Water's region of interest. the target area for which the subject seeding
effects assessment technique has been developed, encompasses mountainous areas
above the 9,000' elevation, as shown in Figure 1. Although it is part of a larger seeding
project, only the Denver Water target area is shown.

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Figure 1. Area map showing Denver Water target area

Base Period Determination

The first step in developing a targeUcontrol regression analysis is to establish a
ma1hernatical relationship between the target and control areas during a collection of
not-seeded historic peri(Kts. Ideally, this historic base period will encompass twenty or

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