condition	mean	min	max
4 h after light	6.08287	5.38478	6.78096
8 h after light	5.745595	5.49951	5.99168
12 h after light	5.773105	5.26363	6.28258
4 h after dark	11.606633333333333	11.2815	12.1717
8 h after dark	9.27646	8.53903	10.1602
12 h after dark	9.029566666666666	7.80641	10.2732