condition	mean	min	max
4 h after light	22.03993	20.952526	23.127334
8 h after light	14.2747985	13.232665	15.316932
12 h after light	16.4104155	15.575213	17.245618
4 h after dark	11.897788	11.311771	12.483805
8 h after dark	14.2367395	12.523151	15.950328
12 h after dark	17.666168	17.666168	17.666168