condition	mean	min	max
4 h after light	6.1008000000000004	5.8441	6.37938
8 h after light	5.992563333333333	5.69724	6.42875
12 h after light	6.0055700000000005	5.783580000000001	6.3107
4 h after dark	6.031926666666667	5.86359	6.36451
8 h after dark	6.0771999999999995	5.86918	6.44647
12 h after dark	5.850473333333333	5.72461	6.00405