condition	mean	min	max
4 h after light	1.9911499999999998	1.71443	2.26787
8 h after light	3.47025	3.44061	3.49989
12 h after light	4.611245	4.53767	4.68482
4 h after dark	7.091823333333333	6.61632	7.36808
8 h after dark	6.430313333333333	5.82329	6.9587
12 h after dark	3.397133333333333	3.05083	3.75542