condition	mean	min	max
3 h after light	3.20519	2.30956	3.98413
6 h after light	5.20414	3.53853	7.67273
9 h after light	6.18572	5.09107	8.19421
12 h after light	4.680576666666667	3.49853	5.79454
3 h after dark	5.682836666666667	3.97767	7.44306
6 h after dark	3.162986666666667	2.15317	3.88051
9 h after dark	3.83234	3.46092	4.11445
12 h after dark	1.74272	1.15049	2.64877