condition	mean	min	max
4 h after light	3.700533	2.5243599999999997	6.007354
8 h after light	2.0046956666666667	1.502583	2.2994470000000002
12 h after light	2.5972103333333334	1.427842	3.2177119999999997
16 h after light	3.0759646666666667	2.640718	3.4861690000000003
4 h after dark	3.284937	2.476731	4.168204
8 h after dark	1.8858043333333334	1.356233	2.4600880000000003