condition	mean	min	max
4 h after light	63.8	56.6167	70.9833
8 h after light	38.9584	37.9807	39.9361
12 h after light	55.83005	53.9329	57.7272
4 h after dark	71.4209	69.4155	72.8062
8 h after dark	100.75883333333333	98.0285	103.121
12 h after dark	100.54306666666666	96.8992	102.989