condition	mean	min	max
4 h after light	14.06075	12.944	15.1775
8 h after light	12.38515	11.796	12.9743
12 h after light	15.92245	15.5855	16.2594
4 h after dark	17.912	16.9115	18.9125
8 h after dark	17.1553	16.6719	17.6387
12 h after dark	17.214599999999997	17.1238	17.3054