condition	mean	min	max
4 h after light	13.4665	12.5115	14.4215
8 h after light	13.4317	12.8366	14.0268
12 h after light	14.0942	13.1581	15.0303
4 h after dark	10.723823333333334	9.32877	12.818
8 h after dark	19.8479	18.5556	22.0779
12 h after dark	15.304933333333334	13.7733	16.7165