condition	mean	min	max
4 h after light	4.617083333333333	4.5575	4.67617
8 h after light	4.558730000000001	4.385280000000001	4.68612
12 h after light	4.7329300000000005	4.57268	4.82786
4 h after dark	4.5642499999999995	4.4770199999999996	4.61586
8 h after dark	4.70061	4.54655	4.95531
12 h after dark	4.676886666666666	4.57385	4.81522