condition	mean	min	max
4 h after light	4.294073333333333	4.232080000000001	4.40191
8 h after light	4.3624133333333335	4.283530000000001	4.4596800000000005
12 h after light	4.29566	4.1493199999999995	4.4106
4 h after dark	4.401773333333334	4.32506	4.49783
8 h after dark	4.32052	4.28956	4.338019999999999
12 h after dark	4.313546666666666	4.21446	4.3979