condition	mean	min	max
4 h after light	2.7156183333333335	2.615825	2.8109740000000003
8 h after light	1.991303	1.510255	2.34108
12 h after light	1.34912	1.267015	1.438128
16 h after light	2.7908856666666666	2.4833790000000002	3.248856
4 h after dark	2.250937	2.1114599999999997	2.477328
8 h after dark	1.5022303333333333	1.4488290000000001	1.531367