condition	mean	min	max
4 h after light	0.1467945	0.090992	0.202597
8 h after light	0.0260091	0.0231042	0.028914
12 h after light	0.01497245	0.0	0.0299449
4 h after dark	0.0271728	0.0	0.0815184
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0324853	0.0	0.0974559