condition	mean	min	max
4 h after light	9.21361	6.28002	12.1472
8 h after light	3.54981	3.36408	3.73554
12 h after light	1.75295	1.46074	2.04516
4 h after dark	1.28037	1.18569	1.37505
8 h after dark	1.9184899999999998	1.37815	2.45883
12 h after dark	3.486205	2.9171	4.05531