condition	mean	min	max
4 h after light	6.5	6.5	6.5
8 h after light	17.4	1.4	33.4
12 h after light	15.45	3.9	27.0
4 h after dark	32.9	31.0	34.8
8 h after dark	31.35	21.0	41.7
12 h after dark	24.25	23.4	25.1