condition	mean	min	max
4 h after light	14.36045	12.3789	16.342
8 h after light	13.388349999999999	13.3694	13.4073
12 h after light	17.2008	12.5178	21.8838
4 h after dark	37.06675	27.2289	46.9046
8 h after dark	22.39395	20.9581	23.8298
12 h after dark	19.3855	18.2135	20.5575