condition	mean	min	max
4 h after light	3.5	3.5	3.5
8 h after light	14.399999999999999	6.9	21.9
12 h after light	7.6499999999999995	3.6	11.7
4 h after dark	3.45	2.7	4.2
8 h after dark	3.6	2.0	5.2
12 h after dark	3.35	2.7	4.0