TABLE @ = Cont'd. Illinois, Lemont Collection Period December 1956 to December 19, 1957 1958 January February and Cumulative sr°? * me Sr90/mi= me $190 /mi © sr70 --~ 5.94 2 0207 ~~ 0030 20.00 6.2), 2 0.07 9 March April 0.57 * 0.05 19 May 0079 * 0.03 17 June July August September October November December * Values extrapolated to midpoint of collection period. - ll-- Precipitation (inches ) --