FLOOD10000

• County: Bent
• Community: Las Animas
• Stream Name: Arkansas River
• Basin: Arkansas
• Title: Las Animas Local Protection Project Design Memo Number 1 Hydrology
• Date: 9/1/1967
• Prepared For: Las Animas
• Prepared By: US Army Corps of Engineers
• Floodplain - Doc Type: Project

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Table

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Plate

TABLE OF CONTENTS (Cont'd)

TABLES

Page

1
2

Drainage Area Data. 2
Streamflow Data - Selected Stations - Arkansas
River Watershed Above John Martin Dam, Colorado 4
Average Monthly and Annual Precipitation Data for
Selected Stations 6
Precipitation Data - Las .Animas 1 N, Colorado 7
Temperature Data - Las Animas 1 N, Colorado 8
Temperature Data - Monument 2 WSW, Colorado 8
Average Relative Humidity - Pueblo Memorial Airport 9
Evaporation Data - John Martin Dam and Reservoir 9
Wind Data - Pueblo Memorial Airport 10
Arkansas River Flow Data 13
Arkansas River Flow Comparison 14
Standard Project Flood - Pertinent Data 21
Maximum Annual Peak Discharges - Arkansas River at
Las Animas (192l~65) 22
Maximum Annual Peak Discharges - Purgatoire River at
Las Animas (1922-65) 24
Interior Drainage Data - Las Animas, Colorado, and
Vicinity 32

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15

PLATES

1 Watershed Map
2 Hydrological and Meteorological Data - Gaging Stations,
Weather Data Stations, and Average Annual Isohyets
3 Hydrographs 1940-1942, Las Animas, Colorado
4 Hydrographs 1943-1946, Las Animas, Co lorado
5 Hydrographs 1947-1950, Las Animas, Colorado
6 Hydrographs 1951-1954, Las Animas, Colorado
7 Hydrographs 1955-1957, Las Animas, Colorado
8 Hydrographs 1958-1963, Las Animas, Colorado
9 Hydrographs 1964-1965, Las Animas, Colorado
10 Unit Hydrograph Basic Data and Rainfall-Runoff Relationship
11 Unit Hydrographs
12 Standard Project Flood, Arkansas River at Las Animas, Colo.
13 Peak Frequency Curve
14 Peak Frequency Curve
15 Peak Frequency Curve
16 Peak Frequency Curve

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