condition	mean	min	max
4 h after light	1.8888135	0.804557	2.97307
8 h after light	0.987368	0.879836	1.0949
12 h after light	1.0233615	0.709503	1.33722
4 h after dark	3.6452299999999997	3.0828	4.20766
8 h after dark	4.550015	4.18002	4.92001
12 h after dark	3.46542	2.07589	4.85495