condition	mean	min	max
4 h after light	12.70815	10.6313	14.785
8 h after light	11.27775	11.1848	11.3707
12 h after light	13.21335	12.8683	13.5584
4 h after dark	19.3336	18.6792	19.8991
8 h after dark	19.5594	17.5909	21.4945
12 h after dark	15.354966666666668	14.5988	15.8839