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-FREQUENCY CURVE USING ALL DATA
AVAILABLE 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 1926
intervals less than 5 years to increase '
readability

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AVERAGE RECURRENCE INTERVAL, IN YEARS

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PRECIPITA TION-FREQUENCY CURVE,

Using a" data ava"abl. through 1986

Using only data availabl. through 1984

AREA INCLUDED 8ETWEEN 95 PERCENT
CONFIDENCE LIMITS:

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Using a" data ava"abl. through 19-86

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~mm

Using only data avallabl. tnrough 198,4

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AVERAGE RECURRENCE INTERVAL, IN YEARS

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Figure 4e.--Precipitation-frequency curves for 1-hour

duration, Pearson Type III distribution.

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