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<br />33 <br /> <br /> <br />.. I <br />IJOlg~)'t <br /> <br /> Table 2 - Rainfall amounts for variousperi~ and <br /> fr~enoies for Paoifio Southwe$~! <br /> Maximum rainfall for interval and return period <br /> 30min.1! 1 hour 24 hours <br /> Subregion I-year 2-year I-year 2-year l-'-year 2-year <br /> ", <br /> . ~. - - - - ~- -i n c h e s - - - - - - - - - <br /> ;,,'.., <br /> , <br /> Cent. Colo. 0.5 0.7 0.7 0#8.. 1.3 1.6 <br />. W. Colo. 0.3 0.4 0.4 0.6 1.0 1.2 <br />Central Utah 0.3 Q.4 0.4 0.5 0.8 1.0 <br /> W. Utah 0.2 0.3 0.3 . ,0.4~ 0.75 1.0 <br /> Nevada 0,2 0.3 0.25 0.35. 0.75 +.0 <br /> N. Calif. 0.4 0.6 0.6 0.7 4.0 5.0 <br />/ S.E. Calif. 0.2 0.4 0.3- 0.4 0.8 1.0 <br /> S.W. Calif. 0.4 0.6 0.6 0.7 2.0 3.0 <br /> W. & 1>1. Ariz. 0.4 0.6 0.5 0.7 1.2 1.5 <br /> S.E. Ariz. 0.6 0.8 0.8 1.0 1.6 2.0 <br /> N.W.New Mex. 0.4 0.6 0.6 0,8 1.2 1.5 <br /> E. New Mex. 0.6 0.8 ' 0.8 1.0 1.6 2.0 <br /> <br />. <br /> <br />1/ See reference Pi. ,tO$, U.S. Weather Bureau <br />1/ <br /> <br />For 5-minute i~terval multiply by 0.37, for 10-minute <br />interval by 0.57, and for 15-minute interval by 0.72. <br />