condition	mean	min	max
4 h after light	19.6297	16.0429	23.0837
8 h after light	14.56684	6.33882	21.2597
12 h after light	13.94573	9.45839	19.762
4 h after dark	19.642466666666667	13.4141	24.8392
8 h after dark	25.056366666666666	17.4706	28.9557
12 h after dark	28.0945	25.9762	30.5024