condition	mean	min	max
4 h after light	74.356998	68.019807	80.694189
8 h after light	69.1256735	61.223145	77.028202
12 h after light	67.821876	62.373956	73.269796
4 h after dark	65.123192	59.241066	71.005318
8 h after dark	59.312238	58.36451	60.259966
12 h after dark	44.432498	44.432498	44.432498