condition	mean	min	max
4 h after light	5.836443333333333	5.53488	6.28869
8 h after light	5.6732	5.5349699999999995	5.752759999999999
12 h after light	5.62435	5.36573	5.90065
4 h after dark	5.723846666666667	5.60837	5.881130000000001
8 h after dark	5.59717	5.51625	5.64735
12 h after dark	5.7507600000000005	5.54881	6.085430000000001