condition	mean	min	max
4 h after light	19.4	19.4	19.4
8 h after light	4.800000000000001	4.4	5.2
12 h after light	4.35	3.9	4.8
4 h after dark	3.3	2.1	4.5
8 h after dark	13.049999999999999	4.7	21.4
12 h after dark	5.2	3.1	7.3