condition	mean	min	max
4 h after light	18.9	18.9	18.9
8 h after light	12.7	3.9	21.5
12 h after light	19.35	10.9	27.8
4 h after dark	6.300000000000001	4.3	8.3
8 h after dark	8.9	8.8	9.0
12 h after dark	24.2	7.1	41.3