condition	mean	min	max
4 h after light	3.1	3.1	3.1
8 h after light	4.05	1.5	6.6
12 h after light	21.95	5.6	38.3
4 h after dark	39.05	35.2	42.9
8 h after dark	23.650000000000002	8.6	38.7
12 h after dark	34.05	7.0	61.1