condition	mean	min	max
4 h after light	33.6364	16.5834	47.4986
8 h after light	27.7038	11.6398	39.7442
12 h after light	30.12786666666667	20.7981	37.4559
4 h after dark	44.744366666666664	33.3455	56.0818
8 h after dark	47.9908	34.4752	59.0111
12 h after dark	52.5827	45.6602	60.7304