1987,31,28,31,26.5,15.9,3,1,3,8.8,17.8,23.5,31
1990,31,28,30.2,26.5,11.9,1,3,1,11.8,20.8,29.5,31
1993,31,28,31,27.5,8.9,3,4,2,10.8,19.8,30,31
