1916,31,29,31,30,10.9,4,2,2,16.6,27.8,30,31
1918,31,28,31,30,13.9,4,1,1,8.6,20.8,30,31
1926,31,28,31,30,6.9,2,2,1,12.6,27.8,30,31
1950,31,28,31,19.6,6.9,4,3,1,6.6,25.8,30,31
