condition	mean	min	max
4 h after light	23.8103	16.2576	30.0962
8 h after light	30.094	13.1934	45.5583
12 h after light	44.4338	26.6128	60.9951
4 h after dark	47.5729	43.0989	50.9598
8 h after dark	38.3366	34.541	40.8839
12 h after dark	27.897266666666667	20.7256	36.7364