condition	mean	min	max
4 h after light	3.4	3.4	3.4
8 h after light	4.55	2.1	7.0
12 h after light	3.6999999999999997	3.3	4.1
4 h after dark	27.75	17.8	37.7
8 h after dark	2.45	2.3	2.6
12 h after dark	18.7	2.9	34.5