condition	mean	min	max
4 h after light	7.661149999999999	6.66876	8.65354
8 h after light	5.8657699999999995	5.59885	6.13269
12 h after light	5.04158	4.95149	5.13167
4 h after dark	7.356373333333333	6.91704	7.90846
8 h after dark	6.411833333333333	5.58543	7.85724
12 h after dark	5.07119	4.92551	5.18539