condition	mean	min	max
4 h after light	5.3	5.3	5.3
8 h after light	8.65	7.8	9.5
12 h after light	20.25	4.6	35.9
4 h after dark	12.85	2.5	23.2
8 h after dark	19.7	8.7	30.7
12 h after dark	25.85	21.9	29.8