condition	mean	min	max
4 h after light	50.25385	49.5325	50.9752
8 h after light	41.24165	32.931	49.5523
12 h after light	41.25635	39.6325	42.8802
4 h after dark	59.00976666666667	52.4572	63.7107
8 h after dark	66.9902	60.3142	74.6825
12 h after dark	66.41643333333333	53.1881	84.565