WMOD00320

• Project Name: Colorado River Basin Pilot Project
• Title: Comprehensive Evaluation Report - Five Winter Seasons 1970-1971...1974-1975
• Date: 10/1/1976
• Weather Modification - Doc Type: Report

Tables

1-2

1-3

1-4

1-5
1-6

1-7

1-8

2-1

2-2

2-3

2-4

2-5

2-6

2-7

3-1

3-2

3-3

3-4

3-5

Precipitation gages of Colorado River Basin Pilot Project
by elevation and subtarget . . . . . . .... . . .

Evolution of experimental day criteria and variations in
decision time deadlines in the CRBPP . . . . . .

Maximum number of generators used on anyone experimental

day, by years . . . . . . . . . . . . . .

Decision times on experimental days

Maximum and minimum temperatures on treated and control
days with observed differences and t-test value . . . .

Average lifted cloud top temperature for each experimental
day of the CRBPP . . . . . . . . . . . . . . . . . . .

Mean lifted cloud top temperature on treated and control
days with results of Student's t-test . . . . . .

Numbers of precipitation measurements for CRBPP by types,

agency and year . . . . . . . . . .. . . . . . . .. . . . .

Precipitation totals on all experimental days and

experimental day totals; also the five-year total . . . . . . .

Total precipitation on treated and control days
during each of the five years and five-year totals

Average daily precipitation on treated, untreated days
suspected of unintentional nucleation and on control days
clear of any contamination . . . . . . . . . . . . . . . .

. . .

Estimated total change in precipitation expected if all
147 experimental days had been treated during the five years

of the CRBPP .. .. .. .. . .. .. .. .. . .. .. .. .. .. .. .. .. .. .. .. ..

Probability from stretch-shrink rank-sum test comparing
71 treated days and 54 control days

Estimated total change in precipitation on the basis
of seeding all experimental days . . . . . . . . . .

Precipitation distribution by experimental days and storm
type category for Wolf Creek IE . . . . . . . . . . . . .

Precipitation distribution by experimental days and storm
type category for Runlett Park . . . . . . . . . . . . . .

Precipitation
type category

distribution by experimental days and storm
for Summitville 2W . . . . . . . . . . . . .
distribution by experimental days and storm
for Trout Creek . . . . . . . . . . . . . .

Precipitation
type category

Precipitation distribution by experimental days and storm
type category for Crested Butte . . . . . . . . . . . . .

vii

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Page

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