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. . . c:.:> 0 CA' n W x Estimated runoff of Piedra River tributaries intercepted ,.. I " ~ C;O by potential inlet canal to Perry Draw Reservoir t'1 (Unit--l,OOO acre-feet) Drainage area --17.1 square miles ;>:J Water H H year Jj Nov. Dec. Jan. Feb. Mar. Apr. Ma.y June July Au.e:. Sept. Oct. Total 1928 0.4 0.3 0.2 0.3 0,6 1,0 3.4 2.0 0.6 0.3 0.2 0.2 9.5 1929 .3 .3 .2 .2 .4 1.7 5.3 3.9 1.6 2.0 1.3 .7 17.9 1930 .3 .2 .1 .2 .4 2.1 2.2 2.1 .8 .9 .3 .2 9.8 1931 .2 .1 .1 .1 .3 .7 1.7 1.9 .6 .4 .4 .6 7.1 1932 ,2 .3 .2 .3 .6 2.9 6.3 4.4 2.0 1.2 .4 .2 19.0 1933 .2 ,1 .1 .2 .4 ,6 1.6 3.0 .8 .4 .5 .4 8.3 1934 .2 .2 .1 .2 .4 2.1 1.4 .5 .2 .2 .3 .2 6.0 1935 .1 .1 .1 .2 .5 1.3 2.0 7.1 2.4 1.0 .5 .4 15.7 1936 .2 .2 .1 .2 .5 3.6 4.7 1.6 .6 .9 .5 .3 13.4 1937 .3 .2 .2 .2 .4 3.4 7.3 2.3 .8 .4 .3 .2 16.0 1938 .2 .1 .1 .2 .4 3.2 4.5 6.0 1.8 1.6 1.0 .8 19.9 1939 .4 ,2 .2 .2 .6 1.7 2.2 1.2 .3 .3 .7 .2 8.2 ~ 1940 .2 .1 .2 .2 .5 1.2 2.5 .8 .3 .2 .4 .6 7.2 +- 1941 .2 .3 ,2 .2 .4 1.3 9.8 10.1 5.4 1.1 .8 2.2 32.0 1942 .9 .5 .3 .2 .3 3.4 4.6 4.9 1.0 .3 .2 .2 16.6 1943 .2 .2 .2 ,2 .4 2.2 2.6 2.0 .6 .7 .2 .2 9.7 1944 .2 .2 .2 .2 .2 1.4 7.1 6.4 2.4 .3 .2 .2 19.0 1945 .2 .2 .2 .2 .2 1.2 5.0 3.9 1.0 .4 .1 .2 12.6 ~ 1946 .1 .1 .1 .2 .3 1.1 1.5 1.8 .3 .5 .3 .4 6.7 z 1947 ,3 .2 .2 .2 .4 .7 3.5 2.4 .6 .8 .8 .8 10.9 C1 "- 1946 .3 .3 .2 .2 .3 2.6 6.1 5.0 1.1 .4 .2 .2 17.1 z '" 1949 .2 .2 .2 .2 .3 2.3 5.0 6.6 2.9 .4 .2 .2 16.7 ~ 1950 .2 .2 .2 .2 ~4 1.7 2.2 1.6 .5 .2 .2 .2 8.0 ..., 1951 .1 .1 .1 .1 .3 .5 2.1 1.5 .2 ,4 .2 .1 5.7 lri 1952 .1 .2 .2 .2 .2 2.6 5.8 7.4 1.9 .7 .3 .2 19.6 ~ Total 6.2 5.1 4.2 5.0 9.7 46.7 100.4 90.6 30.7 16.0 10.5 10.1 335.2 Mean .2 .20 .17 .20 . 1.67 4.02 3.62 1,23 .64 .42 .40 13.41 ~ c: 1 Beginning November 1 of preceding calendar year and ending October 31 of calendar year fl indicated. t'1 en