condition	mean	min	max
4 h after light	5.71837	5.36541	6.07133
8 h after light	13.1145	13.001	13.228
12 h after light	15.91225	15.3182	16.5063
4 h after dark	16.387666666666668	15.2708	17.7192
8 h after dark	10.22238	9.61984	10.8073
12 h after dark	9.653256666666666	9.1504	9.99574