Mystery Class Data Sheet 2005 Location _________________________ (Mystery Class # 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or Home) DATE Sunrise Sunset Photoperiod Jan. 31       Feb. 7       Feb. 14       Feb. 21       Feb. 28       Mar. 7       Mar. 14       Mar. 21       Mar. 28       Apr. 4       Apr. 11       Instructions: Make 11 copies of this data sheet. Record your own sunrise/sunset data on one, and use one for each of the other 10 Mystery Sites.