condition	mean	min	max
4 h after light	1.9043450000000002	1.531	2.27769
8 h after light	1.402115	1.36916	1.43507
12 h after light	2.57421	2.54461	2.60381
4 h after dark	4.030505	3.80342	4.25759
8 h after dark	2.823525	2.39889	3.24816
12 h after dark	2.662935	2.63349	2.69238