condition	mean	min	max
4 h after light	3.8	3.8	3.8
8 h after light	28.75	4.1	53.4
12 h after light	4.45	2.2	6.7
4 h after dark	20.9	7.9	33.9
8 h after dark	21.15	13.0	29.3
12 h after dark	21.8	16.5	27.1