condition	mean	min	max
4 h after light	13.787500000000001	12.9722	14.6028
8 h after light	10.03363	9.47516	10.5921
12 h after light	11.963149999999999	11.3317	12.5946
4 h after dark	15.090250000000001	12.9854	17.1951
8 h after dark	16.53765	14.7509	18.3244
12 h after dark	19.39345	19.1139	19.673