condition	mean	min	max
0 h after light	10.717220000000001	7.66924	13.7652
4 h after light	19.6766	18.5592	20.794
8 h after light	15.20885	13.6619	16.7558
4 h after dark	13.515600000000001	10.3977	16.6335
8 h after dark	11.68705	10.1559	13.2182
12 h after dark	9.29944	8.29718	10.3017