condition	mean	min	max
4 h after light	4.54143	4.34138	4.74148
8 h after light	2.9585850000000002	2.55708	3.36009
12 h after light	2.633475	2.60991	2.65704
4 h after dark	3.36983	2.70663	4.3103
8 h after dark	4.84409	4.13741	5.60054
12 h after dark	4.549623333333334	3.7744	5.67804