condition	mean	min	max
4 h after light	3.082615	1.85747	4.30776
8 h after light	1.3732704999999998	0.784071	1.96247
12 h after light	2.92185	2.28694	3.55676
4 h after dark	7.01957	5.53286	8.07034
8 h after dark	8.21373	6.70158	9.32239
12 h after dark	7.632786666666666	4.97441	11.0292