condition	mean	min	max
4 h after light	11.00258	5.94306	18.0436
8 h after light	9.49788	2.59844	15.0929
12 h after light	10.898813333333333	6.22834	15.1285
4 h after dark	17.3343	13.5733	20.1598
8 h after dark	14.5145	13.0427	16.6729
12 h after dark	15.407733333333333	13.5445	16.3749