condition	mean	min	max
4 h after light	6.902335	6.64798	7.15669
8 h after light	11.98335	11.9051	12.0616
12 h after light	12.29865	12.0915	12.5058
4 h after dark	13.589649999999999	12.7587	14.4206
8 h after dark	9.52701	9.50344	9.55058
12 h after dark	8.731259999999999	8.04144	9.42108