condition	mean	min	max
4 h after light	6.306195000000001	5.79272	6.81967
8 h after light	4.536099999999999	4.51711	4.55509
12 h after light	4.500195	4.35547	4.64492
4 h after dark	6.251273333333334	6.12481	6.41695
8 h after dark	6.267143333333333	6.04335	6.58099
12 h after dark	6.118766666666667	5.44	6.75004