condition	mean	min	max
4 h after light	7.22515	7.04358	7.40672
8 h after light	7.315675000000001	7.28516	7.34619
12 h after light	10.651399999999999	10.514	10.7888
4 h after dark	15.2001	14.8711	15.695
8 h after dark	13.950933333333333	11.9507	16.4863
12 h after dark	11.987366666666667	10.547	13.8823