condition	mean	min	max
4 h after light	3.706615	3.36504	4.04819
8 h after light	3.27488	3.21796	3.3318
12 h after light	4.395215	4.27077	4.51966
4 h after dark	5.009285	4.90551	5.11306
8 h after dark	5.38586	5.27635	5.49537
12 h after dark	5.342415000000001	5.2407	5.44413