condition	mean	min	max
4 h after light	4.39246	4.3577699999999995	4.43365
8 h after light	4.264483333333334	4.1870199999999995	4.3369
12 h after light	4.22389	4.1484	4.32549
4 h after dark	4.36824	4.35418	4.39391
8 h after dark	4.313283333333334	4.087359999999999	4.52451
12 h after dark	4.3572766666666665	4.20043	4.54204