condition	mean	min	max
4 h after light	19.5	19.5	19.5
8 h after light	2.6500000000000004	2.6	2.7
12 h after light	19.799999999999997	16.7	22.9
4 h after dark	31.200000000000003	24.2	38.2
8 h after dark	38.1	37.0	39.2
12 h after dark	14.4	3.3	25.5