condition	mean	min	max
4 h after light	31.8	31.8	31.8
8 h after light	3.4	2.3	4.5
12 h after light	2.55	2.5	2.6
4 h after dark	8.0	3.1	12.9
8 h after dark	3.65	3.4	3.9
12 h after dark	4.45	3.5	5.4