condition	mean	min	max
4 h after light	3.4677337699999997	0.00203131	6.14194
8 h after light	4.65448	1.95322	6.72069
12 h after light	6.648023333333334	4.97341	7.91511
4 h after dark	6.309683333333333	5.11764	7.41145
8 h after dark	6.707816666666667	6.02939	7.17802
12 h after dark	10.97632	8.33046	13.5213