condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	29.25	2.8	55.7
12 h after light	23.6	19.7	27.5
4 h after dark	5.5	4.5	6.5
8 h after dark	38.85	30.7	47.0
12 h after dark	32.15	4.7	59.6