condition	mean	min	max
4 h after light	2.887882	2.8256069999999998	2.976867
8 h after light	2.118492	1.476864	2.581734
12 h after light	1.4287746666666665	1.336119	1.5545229999999999
16 h after light	2.8825273333333334	2.4426080000000003	3.438517
4 h after dark	2.459096	2.2015569999999998	2.727777
8 h after dark	1.5486613333333332	1.481391	1.582487