condition	mean	min	max
4 h after light	0.006271	0.0	0.012542
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.0108473	0.0	0.0216946
8 h after dark	0.005388	0.0	0.010776
12 h after dark	0.0090115	0.0	0.018023