condition	mean	min	max
4 h after light	13.53075	12.5528	14.5087
8 h after light	5.33861	5.05792	5.6193
12 h after light	7.7268550000000005	7.62574	7.82797
4 h after dark	11.4401	10.7967	11.8365
8 h after dark	14.098933333333333	12.6051	16.8989
12 h after dark	13.291033333333333	10.4781	14.8719