condition	mean	min	max
4 h after light	3.50808	3.26945	3.74671
8 h after light	3.35161	3.3447	3.35852
12 h after light	4.581405	4.32478	4.83803
4 h after dark	4.52137	3.98672	5.05602
8 h after dark	3.824345	3.72144	3.92725
12 h after dark	4.25625	4.18126	4.33124