condition	mean	min	max
4 h after light	0.021009299999999998	0.0	0.0335771
8 h after light	0.0	0.0	0.0
12 h after light	0.0305169	0.0	0.0915507
4 h after dark	0.021412633333333334	0.0	0.0642379
8 h after dark	0.0084344	0.0	0.0253032
12 h after dark	0.020983866666666667	0.0	0.0332847