TABLE 2 - Cont'd. South Dakota, Vermillion Collection Period 1957 me Sr?0/ni 2 Cumulative 0650 ms Sr?0/nie Sr? April to December --< 9-18 * 0.19 -~ Pebruary 0038 * 0202 9.44 2 0.19 13 March 0020 2 0.01 9.84 2 0.19 13 April 254 41.00 12.38 3 0.19 12 1958 June July August September October November December * Values extrapolated to midpoint of collection period. -15- Precipitation (inches) =