condition	mean	min	max
4 h after light	3.613663	3.4792120000000004	3.7962919999999998
8 h after light	2.5968256666666667	1.767856	3.1051860000000002
12 h after light	1.724315	1.479079	1.934234
16 h after light	3.467867	3.0663259999999997	3.9638120000000003
4 h after dark	2.909806	2.560402	3.3802160000000003
8 h after dark	1.832612	1.632292	1.975569