Mystery Class Data Sheet Location _________________________ (Mystery Class # 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or Home) DATE Sunrise Sunset Photoperiod Feb. 7       Feb. 14       Feb. 21       Feb. 28       Mar. 6       Mar.13       Mar. 20       Mar. 27       Apr. 3       Apr. 10       Apr. 17       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.