condition	mean	min	max
4 h after light	3.259192	3.1206490000000002	3.5361269999999996
8 h after light	2.356996666666667	1.6715810000000002	2.719595
12 h after light	1.575611	1.428308	1.7153990000000001
16 h after light	3.2496516666666664	2.84326	3.7280629999999997
4 h after dark	2.581474	2.3685669999999996	2.971547
8 h after dark	1.680607	1.62162	1.7189139999999998