condition	mean	min	max
4 h after light	6.715	6.285	7.25
8 h after light	7.006111111	6.435	7.41
12 h after light	6.4799999999999995	4.64	9.74
1.5 h after dark	6.072222221	3.2	10.27333333
5.5 h after dark	7.352222222333333	2.716666667	11.02
9.5 h after dark	7.3133333333333335	5.6	8.8