condition	mean	min	max
4 h after light	4.102930000000001	4.048430000000001	4.14343
8 h after light	3.99836	3.7676199999999995	4.1807
12 h after light	4.018933333333334	3.94993	4.05494
4 h after dark	4.069576666666667	3.98536	4.14153
8 h after dark	3.957513333333333	3.80976	4.0456199999999995
12 h after dark	3.958963333333333	3.88864	4.00519