condition	mean	min	max
4 h after light	16.913297	15.453171	18.373423
8 h after light	18.009314	16.735935	19.282693
12 h after light	17.4143275	17.241257	17.587398
4 h after dark	16.570603	15.649958	17.491248
8 h after dark	16.3643165	15.609945	17.118688
12 h after dark	16.232774	16.232774	16.232774