condition	mean	min	max
4 h after light	8.669015	7.30893	10.0291
8 h after light	8.577304999999999	8.46725	8.68736
12 h after light	9.539484999999999	8.94887	10.1301
4 h after dark	11.743433333333334	11.5272	11.9104
8 h after dark	10.68993	9.81549	11.5378
12 h after dark	8.641443333333333	7.39453	9.68932