condition	mean	min	max
4 h after light	21.7	21.7	21.7
8 h after light	8.25	8.0	8.5
12 h after light	7.8500000000000005	4.4	11.3
4 h after dark	12.299999999999999	2.4	22.2
8 h after dark	39.8	38.5	41.1
12 h after dark	18.3	15.9	20.7