condition	mean	min	max
0 h after light	4.032305	3.70596	4.35865
4 h after light	2.769985	2.68708	2.85289
8 h after light	1.7800150000000001	1.60323	1.9568
4 h after dark	1.40592	1.29502	1.51682
8 h after dark	2.808605	2.52513	3.09208
12 h after dark	3.54641	3.43501	3.65781