condition	mean	min	max
4 h after light	6.2	6.2	6.2
8 h after light	16.0	13.1	18.9
12 h after light	11.85	3.2	20.5
4 h after dark	2.3	2.1	2.5
8 h after dark	17.4	3.6	31.2
12 h after dark	21.099999999999998	3.4	38.8