condition	mean	min	max
0 h after light	4.843635	3.87905	5.80822
4 h after light	5.05626	3.94543	6.16709
8 h after light	5.811225	5.40684	6.21561
4 h after dark	7.84291	6.72828	8.95754
8 h after dark	7.37275	5.42702	9.31848
12 h after dark	6.85271	5.67407	8.03135