condition	mean	min	max
4 h after light	2.089785	1.53392	2.64565
8 h after light	7.9627300000000005	6.14226	9.7832
12 h after light	11.942235	9.77207	14.1124
4 h after dark	13.6312	11.5845	15.518
8 h after dark	9.31447	7.15894	11.5919
12 h after dark	5.90344	3.5426	7.85461