Mystery Class Data Sheet Location _________________________ (Mystery Class # 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or Home) DATE Sunrise Sunset Photoperiod Feb. 3       Feb. 10       Feb. 17       Feb. 24       Mar. 3       Mar.10       Mar. 17       Mar. 24       Mar. 31       Apr. 7       Apr. 14       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.