Mystery Class Data Sheet Location _________________________ (Mystery Class # 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 or Home) DATE Sunrise Sunset Photoperiod Feb. 9       Feb. 16       Feb. 23       Mar. 2       Mar. 9       Mar.16       Mar. 23       Mar. 30       Apr. 6       Apr. 13       Apr. 20       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.