condition	mean	min	max
4 h after light	1.4	1.4	1.4
8 h after light	23.55	17.1	30.0
12 h after light	32.35	17.3	47.4
4 h after dark	47.55	21.0	74.1
8 h after dark	24.1	1.5	46.7
12 h after dark	17.4	10.4	24.4