condition	mean	min	max
4 h after light	14370.425554333333	8406.393333	18773.8
8 h after light	14095.463889999999	12389.95667	14992.635
12 h after light	10873.497776666667	8320.27	12962.17333
1.5 h after dark	7343.71	5561.26	9740.82
5.5 h after dark	4841.682222333333	3381.643333	7206.896667
9.5 h after dark	7480.160000333333	6086.416667	8454.586667