condition	mean	min	max
4 h after light	6.863522333333333	5.954959	7.647994000000001
8 h after light	2.982256	1.484728	4.945246
12 h after light	6.923488333333332	6.596228999999999	7.100743
16 h after light	12.41984	11.24361	13.66295
4 h after dark	6.4418196666666665	5.568681	7.475184
8 h after dark	6.149114333333333	2.839309	11.028260000000001