condition	mean	min	max
4 h after light	1.7	1.7	1.7
8 h after light	14.1	9.3	18.9
12 h after light	4.6	2.0	7.2
4 h after dark	23.75	6.2	41.3
8 h after dark	6.45	6.2	6.7
12 h after dark	24.1	9.0	39.2