condition	mean	min	max
0 h after light	2.993875	2.79694	3.19081
4 h after light	7.9596599999999995	7.66828	8.25104
8 h after light	15.916350000000001	15.3895	16.4432
4 h after dark	10.279315	8.88533	11.6733
8 h after dark	6.99984	6.53613	7.46355
12 h after dark	3.833685	3.18652	4.48085