condition	mean	min	max
4 h after light	14.2262465	13.313081	15.139412
8 h after light	15.144421999999999	14.278089	16.010755
12 h after light	16.29128	15.881202	16.701358
4 h after dark	15.9977955	15.081498	16.914093
8 h after dark	15.7753225	15.632904	15.917741
12 h after dark	14.711302	14.711302	14.711302