condition	mean	min	max
0 h after light	3.591375	2.78028	4.40247
4 h after light	3.408985	3.01566	3.80231
8 h after light	3.63976	3.28663	3.99289
4 h after dark	4.940325	3.89098	5.98967
8 h after dark	3.592995	3.44487	3.74112
12 h after dark	3.80061	3.04524	4.55598