condition	mean	min	max
3 h after light	6.711756666666667	6.43816	7.15493
6 h after light	2.98412	2.77561	3.34074
9 h after light	2.26187	1.69727	2.90787
12 h after light	5.4868524999999995	2.94402	11.1373
3 h after dark	5.8617333333333335	5.66095	6.22735
6 h after dark	7.9961166666666665	7.20931	8.65656
9 h after dark	10.7737	10.4144	11.3433
12 h after dark	10.28007	9.12334	11.4368