condition	mean	min	max
4 h after light	3.87429	3.79841	3.9228199999999998
8 h after light	3.8641633333333334	3.7723699999999996	3.95514
12 h after light	3.8099266666666667	3.7478599999999997	3.88878
4 h after dark	3.9743399999999998	3.83567	4.05583
8 h after dark	3.8639	3.8094	3.9045199999999998
12 h after dark	3.9892366666666668	3.90905	4.06482