condition	mean	min	max
4 h after light	4.644986666666667	2.17135	6.13252
8 h after light	2.820414	0.711072	5.07355
12 h after light	5.279123333333334	2.80381	8.56827
4 h after dark	10.439823333333333	6.97677	13.2628
8 h after dark	13.06404	7.61572	16.0353
12 h after dark	16.7422	14.2406	21.6992