condition	mean	min	max
4 h after light	17.5865735	16.218377	18.95477
8 h after light	16.589026500000003	16.218377	16.959676
12 h after light	14.895329	12.215821	17.574837
4 h after dark	14.18413	13.494084	14.874176
8 h after dark	14.1154405	11.501639	16.729242
12 h after dark	15.373313	15.373313	15.373313