condition	mean	min	max
4 h after light	9.9	9.9	9.9
8 h after light	9.8	3.3	16.3
12 h after light	28.35	27.9	28.8
4 h after dark	16.3	4.1	28.5
8 h after dark	44.95	43.7	46.2
12 h after dark	29.6	26.0	33.2