condition	mean	min	max
4 h after light	67.93625	66.636	69.2365
8 h after light	32.91455	30.6553	35.1738
12 h after light	30.622349999999997	30.4162	30.8285
4 h after dark	48.100699999999996	46.1376	49.3356
8 h after dark	65.12893333333334	62.8868	67.1308
12 h after dark	71.9088	69.2868	74.3995