WMOD00285 ‎(2)‎

• Title: Feasibility Study of Wintertime Cloud Seeding to Augment Arizona Water Supplies
• Date: 1/1/1987
• State: AZ
• Weather Modification - Doc Type: Report

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Table 3. - Daily precipitation frequencies for each of a wet, normal and dry
winter at station ST1, and station groups GP1 and GP2.*

PRECIPITATION FREQUENCY

Station STl Winter Condition
Preclpitatlon
range (in) Wet (1982 -83) Norm (1981-82) Dry (1980-81)
0 97 72 127
>0 - 0.2 16 7 7
>0.2 - 0.4 11 3 4
>0.4 - 0.6 4 2 2
>0.6 - 0.8 5 4 1
>0.8 - 1.0 3 1 2
> 1.0 - 1.5 1 0
>1.5 - 2.0 0 1
>2.0 - 2.5 3
Total cases 140 90 143
Group GP1
0 92 115 130
>0 - 0.2 53 41 40
>0.2 - 0.4 16 12 5
>0.4 - 0.6 10 6 3
>0.6 - 0.8 4 1 2
>0.8 - 1.0 2 3 1
>1.0 - 1.5 3 2
>1.5 - 2.0 1 1
>2.0 - 2.5
Total 181 181 181
Group GP2
0 105 130 133
>0 - 0.2 56 38 39
>0.2 - 0.4 14 6 7
>0.4 - 0.6 1 3 1
>0.6 - 0.8 2 0 0
>0.8 - 1.0 1 4 1
>1.0 - 1.5 2
>1.5 - 2.0
Total 181 181 181 I
----L-

*Precipitation measurements were generally taken at 1800 local.

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