condition	mean	min	max
4 h after light	13.16048	13.08232	13.27687
8 h after light	13.116716666666667	12.99956	13.217529999999998
12 h after light	13.289200000000001	13.177610000000001	13.362670000000001
4 h after dark	13.33832	13.05588	13.51634
8 h after dark	13.419253333333334	13.262129999999999	13.54446
12 h after dark	13.189300000000001	13.06783	13.278570000000002