condition	mean	min	max
4 h after light	16.453678500000002	16.376346	16.531011
8 h after light	16.424109	15.701037	17.147181
12 h after light	16.807935999999998	16.693276	16.922596
4 h after dark	18.2680915	16.376346	20.159837
8 h after dark	18.033016	16.01117	20.054862
12 h after dark	15.443383	15.443383	15.443383