FLOOD00005

• County: Statewide
• Title: Precipitation Records and Flood-Producing Storms in Cheyenne Wyoming
• Date: 10/23/2003
• Prepared For: Cheyenne
• Floodplain - Doc Type: Educational/Technical/Reference Information

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PRECIPITATION-FREOUENCY CURVE USING ALL OAT A
AVAILA8LE THROUGH 1986

95 PERCENT CONFIDENCE LIMIT

'1985 ANNUAL MAXIMUM PRECIPITATiON VALUE AND
YEAR--Year only shown for largest storms,
only selected data points shown for recurrence
intervals less than 5 years to increase
readability

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AVERAGE RECURRENCE INTERVAL, IN YEARS

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PRECIPIT A TION-FREQUENCY OURVE:

Using all data available through 1986

Using only data available through 1984

AREA INCLUDED 8ETWEEN 95 PERCENT
CONFIDENCE LIMITS.

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Using all data available through 1986

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AVERAGE RECURRENCE INTERVAL, IN YEARS

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Figure 4d. --Precipitation-frequency curves for 3D-minute
duration, Pearson Type III distribution.

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