condition	mean	min	max
4 h after light	4.2654700000000005	4.22388	4.34633
8 h after light	4.326466666666667	4.26621	4.3640099999999995
12 h after light	4.25309	4.04727	4.4609
4 h after dark	4.240716666666667	4.17837	4.27612
8 h after dark	4.1547	4.07073	4.219469999999999
12 h after dark	4.157076666666667	4.0868400000000005	4.20414