condition	mean	min	max
4 h after light	8.4	8.4	8.4
8 h after light	31.900000000000002	25.1	38.7
12 h after light	19.2	7.2	31.2
4 h after dark	20.099999999999998	7.4	32.8
8 h after dark	16.0	10.5	21.5
12 h after dark	21.6	4.0	39.2