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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Figure 5. Graph showing intensity-duration curves for 100-year
storm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6. Graph showing dimensionless hyetographs for 10
flood-producing storms................................... 42

Table 1.
2.
3.
4.
5.

TABLES

Annual maximum precipitation for selected durations,
1871-1986. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . 4
Summary of statistics describing observed annual maximum
precipitation values for selected durations.............. 13
Intensity-duration data for 100-year storm................. 39
Precipitation intensity for storms of selected recurrence
intervals and durations, using data available through
1986. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Storm characteristics for 10 flood-producing storms........ 41

CONVERSION FACTORS

For use of
inch-pound units
be used:

readers who prefer to use metric units, rather than the
used in this report. the following conversion factors may

!l
25.40
25.40

To obtain metric unit

Multiply inch-pound unit

inch
inch per hour

millimeter
millimeter per hour

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