condition	mean	min	max
0 h after light	0.0	0.0	0.0
4 h after light	0.0416636	0.0	0.0833272
8 h after light	0.02022705	0.0	0.0404541
4 h after dark	0.0201588	0.0	0.0403176
8 h after dark	0.0	0.0	0.0
12 h after dark	0.01997265	0.0	0.0399453