condition	mean	min	max
0 h after light	0.0359142	0.0	0.0718284
4 h after light	0.0365939	0.0	0.0731878
8 h after light	0.0	0.0	0.0
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0