CWCB Wintertime Weather Mod Report

• Project Type: General OWC
• Applicant: Weather Modificaton
• Project Name: Colorado Weather Modification Program
• Title: CWCB Wintertime Weather Modification Report Fall 2002 - Spring 2003
• Date: 7/1/2003
• Water Conservation - Doc Type: Final Report

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Table 2-1 Average monthly precipitation (inches)

I SITE DOCT INOV IDEC I IAN IFEB I MAR I APR I
BUTTE (10160') 1.8 2.7 4.1 2.9 2.7 3.4 2.6
MC CLURE 3.4 2.7 3.3 3.0 2.8 3.9 2.9
PASS (9500')
NORTH LOST 3.4 3.2 4.2 3.2 3.4 4.2 4.3
TRAIL (9200')
SCHOFIELD 4.2 5.6 4.4 4.5 7.7 6.0 4,7
PASS (10,700')

Table 2-2 Average cumulative snow water content (inches at the first of each month)

SITE NOV DEC IAN FEB MAR APR MAY
BUTTE 1.2 3.6 6.4 9.5 12.6 15,7 7.6
MC CLURE
0.8 3.0 6.6 11.0 14.9 18.4 14.1
PASS
NORTH LOST 4.0 10.8
1.0 7.2 15.0 18.2 13.2
TRAIL
SCHOFIELD
3.6 9,2 14.4 20.3 27.6 35.0 38.3
PASS

2.2 Storm Types

More than 30 significant storm events in Gunnison County were analyzed to
determine the weather patterns and types of storm systems likely to produce significant
snowfall during the winter season. It was found that these heavier precipitation amounts

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