condition	mean	min	max
4 h after light	3.6771100000000003	3.6569300000000005	3.7090400000000003
8 h after light	3.73979	3.70385	3.7795300000000003
12 h after light	3.70351	3.65046	3.76655
4 h after dark	3.676083333333333	3.63829	3.71256
8 h after dark	3.71136	3.6630199999999995	3.76862
12 h after dark	3.7475866666666664	3.69467	3.83563