month   31 days 77.75 hour
January 04 30  2 3.75
February 08 09  2 2.75
March 12 13 24 25  4 10
April 12 15  2 5
May 13 21 29  3 7.25
June 02 15  2 4.5
July 02 03  2 5.25
August 02 06  2 7.25
September 18  1 4.25
October 03 07 11 13 14  5 13
November 03 05 15 19  4 11.25
December 21 28  2 3.5