condition	mean	min	max
4 h after light	3.507834	3.3320239999999997	3.7445120000000003
8 h after light	2.9831676666666667	2.794627	3.28617
12 h after light	1.663988	1.451741	1.823843
16 h after light	3.34615	2.827339	3.9224940000000004
4 h after dark	2.9142870000000003	2.5626	3.2400990000000003
8 h after dark	1.7661419999999999	1.681717	1.821392