condition	mean	min	max
0 h after light	0.0	0.0	0.0
4 h after light	3.81913	2.49055	5.14771
8 h after light	1.24957	0.0	2.49914
4 h after dark	0.0	0.0	0.0
8 h after dark	3.763215	0.0	7.52643
12 h after dark	1.26133	0.0	2.52266