condition	mean	min	max
4 h after light	10.455915000000001	9.36093	11.5509
8 h after light	12.8844	12.6427	13.1261
12 h after light	16.82875	15.1732	18.4843
4 h after dark	12.5808	11.8223	13.168
8 h after dark	11.272533333333334	10.8999	11.7926
12 h after dark	10.43713	9.82519	11.2482