condition	mean	min	max
4 h after light	6.7259150000000005	6.08854	7.36329
8 h after light	8.131515	7.99574	8.26729
12 h after light	6.26051	5.23498	7.28604
4 h after dark	6.540345	5.51827	7.56242
8 h after dark	5.61452	5.42974	5.7993
12 h after dark	5.877765	5.10556	6.64997