condition	mean	min	max
4 h after light	18.155	16.3674	19.9426
8 h after light	23.644350000000003	21.1185	26.1702
12 h after light	31.707949999999997	29.7332	33.6827
4 h after dark	49.21123333333333	44.2787	55.5708
8 h after dark	30.899266666666666	29.6605	33.2396
12 h after dark	24.6933	20.3353	30.2674