condition	mean	min	max
4 h after light	6.342675	6.22767	6.45768
8 h after light	3.88938	3.5272	4.25156
12 h after light	5.13884	4.857	5.42068
4 h after dark	6.39717	6.07965	6.71469
8 h after dark	6.4265550000000005	6.32769	6.52542
12 h after dark	6.21106	5.7347	6.68742