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<br />TABLE OF CONTENTS <br /> <br />Page <br /> <br />INTRODUCTION <br /> <br />REVIEW OF LITERATURE 2 <br /> <br />Rainfall Intensity-Duration-Frequency Formulas 3 <br />Design Storm Temporal Patterns. 4 <br /> <br />Determination of design storm parameters 5 <br />Time concentration. . 5 <br />Storm pattern skewness 5 <br /> <br />SYNTHETIC HYET(X;RAPH EQUATIONS _ 7 <br /> <br />Formulation of Hyetograph Equations _ 7 <br /> <br />Hyetograph equations for positive b 7 <br />Hyetograph equations for negative b 8 <br /> <br />Evaluation of Hyetograph Parameters 8 <br /> <br />Parametric values, a, b, and c 8 <br />Duration of rainfall, td 9 <br />Pattern skewness, 'Y. . 9 <br /> <br />Normalized (Dimensionless) Hyetograph Equations 9 <br /> <br />STANDARD INTENSITY-DURATION RELATIONSHIPS 13 <br /> <br />PATTERN SKEWNESS IN ACTUAL STORMS, , , _ 29 <br /> <br />Major Storms for Selected Stations from ARS Experimental Agricultural <br />Watersheds, _, _ , _ _ , , , _ , _ , , , 30 <br />Major Storms for Two Salt Lake City Urban Highway Watersheds, 30 <br /> <br />SUMMARY AND CONCLUSIONS, 47 <br /> <br />RECOMMENDATIONS 49 <br /> <br />REFERENCES 51 <br /> <br />APPENDICES _ 53 <br /> <br />Appendix A: Rainfall Depth Tables of 23 Major Cities in the United Sta<es <br />and 1 i Capitals of the Western States _ _ , _ 55 <br />Appendix B: Rainfall Intensity Tables of 23 Major Cities in the United States <br />and 11 capitals of the Western States 69 <br />Appendix C: Relationships Between Various-Duration Rainfall Intensities <br />and 60-Minute Intensity for the Same Frequency in 23 <br />Major Cities and I I Western State Capitals ' 83 <br /> <br />vii <br />