Year	MBH	NGDC	diff
1400	NA	NA	NA
1401	NA	NA	NA
1402	NA	NA	NA
1403	NA	NA	NA
1404	NA	NA	NA
1405	NA	NA	NA
1406	NA	NA	NA
1407	NA	NA	NA
1408	NA	NA	NA
1409	NA	NA	NA
1410	NA	NA	NA
1411	NA	NA	NA
1412	NA	NA	NA
1413	NA	NA	NA
1414	NA	NA	NA
1415	NA	NA	NA
1416	NA	NA	NA
1417	NA	NA	NA
1418	NA	NA	NA
1419	NA	NA	NA
1420	NA	NA	NA
1421	NA	NA	NA
1422	NA	NA	NA
1423	NA	NA	NA
1424	NA	NA	NA
1425	NA	NA	NA
1426	NA	NA	NA
1427	NA	NA	NA
1428	NA	NA	NA
1429	NA	NA	NA
1430	NA	NA	NA
1431	NA	NA	NA
1432	NA	NA	NA
1433	NA	NA	NA
1434	NA	NA	NA
1435	NA	NA	NA
1436	NA	NA	NA
1437	NA	NA	NA
1438	NA	NA	NA
1439	NA	NA	NA
1440	NA	NA	NA
1441	NA	NA	NA
1442	NA	NA	NA
1443	NA	NA	NA
1444	NA	NA	NA
1445	NA	NA	NA
1446	NA	NA	NA
1447	NA	NA	NA
1448	NA	NA	NA
1449	NA	NA	NA
1450	NA	NA	NA
1451	NA	NA	NA
1452	NA	NA	NA
1453	NA	NA	NA
1454	NA	NA	NA
1455	NA	NA	NA
1456	NA	NA	NA
1457	NA	NA	NA
1458	NA	NA	NA
1459	NA	NA	NA
1460	NA	NA	NA
1461	NA	NA	NA
1462	NA	NA	NA
1463	NA	NA	NA
1464	NA	NA	NA
1465	NA	NA	NA
1466	NA	NA	NA
1467	NA	NA	NA
1468	NA	NA	NA
1469	NA	NA	NA
1470	NA	NA	NA
1471	NA	NA	NA
1472	NA	NA	NA
1473	NA	NA	NA
1474	NA	NA	NA
1475	NA	NA	NA
1476	NA	NA	NA
1477	NA	NA	NA
1478	NA	NA	NA
1479	NA	NA	NA
1480	NA	NA	NA
1481	NA	NA	NA
1482	NA	NA	NA
1483	NA	NA	NA
1484	NA	NA	NA
1485	NA	NA	NA
1486	NA	NA	NA
1487	NA	NA	NA
1488	NA	NA	NA
1489	NA	NA	NA
1490	NA	NA	NA
1491	NA	NA	NA
1492	NA	NA	NA
1493	NA	NA	NA
1494	NA	NA	NA
1495	NA	NA	NA
1496	NA	NA	NA
1497	NA	NA	NA
1498	NA	NA	NA
1499	NA	NA	NA
1500	NA	NA	NA
1501	NA	NA	NA
1502	NA	NA	NA
1503	NA	NA	NA
1504	NA	NA	NA
1505	NA	NA	NA
1506	NA	NA	NA
1507	NA	NA	NA
1508	NA	NA	NA
1509	NA	NA	NA
1510	NA	NA	NA
1511	NA	NA	NA
1512	NA	NA	NA
1513	NA	NA	NA
1514	NA	NA	NA
1515	NA	NA	NA
1516	NA	NA	NA
1517	NA	NA	NA
1518	NA	NA	NA
1519	NA	NA	NA
1520	NA	NA	NA
1521	NA	NA	NA
1522	NA	NA	NA
1523	NA	NA	NA
1524	NA	NA	NA
1525	NA	NA	NA
1526	NA	NA	NA
1527	NA	NA	NA
1528	NA	NA	NA
1529	NA	NA	NA
1530	NA	NA	NA
1531	NA	NA	NA
1532	0.852	852	0
1533	0.90100002	901	2.00000000631917e-05
1534	0.55800003	558	2.99999999242573e-05
1535	1.393	1393	0
1536	0.89200002	892	1.99999999495049e-05
1537	1.804	1804	0
1538	1.036	1036	0
1539	0.98100001	981	1.00000000884393e-05
1540	0.75700003	757	3.00000000379441e-05
1541	0.47099999	471	-1.00000000315958e-05
1542	0.57499999	395	179.99999
1543	0.546	377	169
1544	0.66100001	528	133.00001
1545	0.71200001	515	197.00001
1546	0.67900002	462	217.00002
1547	0.68300003	460	223.00003
1548	0.81699997	674	142.99997
1549	0.89300001	814	79.00001
1550	0.92799997	868	59.99997
1551	0.90499997	839	65.99997
1552	0.84500003	794	51.00003
1553	0.95999998	900	59.9999799999999
1554	0.833	773	60
1555	1.0039999	943	60.9998999999999
1556	1.007	990	16.9999999999999
1557	0.87400001	953	-78.9999899999999
1558	1.146	1272	-126
1559	1.051	1122	-71
1560	1.22	1317	-97
1561	1.147	1229	-82
1562	1.091	1193	-102
1563	1.0700001	1157	-86.9999
1564	1.057	1099	-42
1565	1.126	1204	-78
1566	0.954	963	-9
1567	0.917	941	-24
1568	1.158	1268	-110
1569	1.018	1093	-75
1570	1.174	1300	-126
1571	1.097	1148	-51
1572	1.312	1301	11
1573	1.303	1348	-45
1574	0.84899998	835	13.9999799999999
1575	1.446	1502	-56
1576	1.198	1214	-16
1577	1.1059999	1082	23.9999
1578	1.02	990	30
1579	1.244	1291	-47
1580	0.72000003	746	-25.9999700000000
1581	1.041	1057	-16
1582	1.223	1292	-69
1583	1.2079999	1224	-16.0001000000002
1584	1.219	1203	16
1585	1.337	1396	-59
1586	1.2589999	1327	-68.0001
1587	1.086	1144	-58
1588	1.188	1245	-57
1589	1.018	1076	-58
1590	0.72899997	749	-20.0000299999999
1591	1.074	1077	-3
1592	1.212	1241	-29
1593	0.97500002	987	-11.9999800000001
1594	1.2869999	1265	21.9999000000000
1595	0.97799999	946	31.99999
1596	1.1849999	1112	72.9999
1597	1.14	1107	33
1598	0.92500001	897	28.00001
1599	1.242	1238	4
1600	1.276	1306	-30
1601	0.56900001	565	4.00000999999997
1602	0.97600001	980	-3.99999000000003
1603	1.079	1087	-8
1604	0.94700003	1018	-70.99997
1605	0.71499997	761	-46.0000299999999
1606	0.98199999	1037	-55.00001
1607	0.73199999	792	-60.00001
1608	0.80299997	877	-74.00003
1609	0.60900003	653	-43.99997
1610	0.792	822	-30
1611	0.78500003	883	-97.99997
1612	0.72600001	805	-78.99999
1613	0.88999999	971	-81.0000100000001
1614	0.87199998	921	-49.0000200000000
1615	0.74800003	747	1.00003000000004
1616	0.90600002	933	-26.9999799999999
1617	1.095	1118	-23
1618	1.031	1072	-41
1619	1.082	1115	-33
1620	0.935	963	-28
1621	1.316	1363	-47
1622	1.133	1192	-59
1623	1.006	1071	-65
1624	1.136	1165	-29
1625	1.22	1295	-75
1626	1.346	1423	-77
1627	1.17	1201	-31
1628	1.0650001	1050	15.0001000000000
1629	1.154	1180	-26
1630	0.898	928	-30
1631	0.85699999	869	-12.0000100000000
1632	1.012	978	34
1633	0.829	770	59
1634	1.0829999	1011	71.9998999999998
1635	0.884	909	-25
1636	1.006	1005	1
1637	1.052	1052	0
1638	1.041	1007	34
1639	0.97600001	962	14.0000100000000
1640	1.01	979	31
1641	0.65200001	641	11.0000100000000
1642	0.52499998	502	22.9999800000001
1643	0.95499998	953	1.99997999999994
1644	0.824	833	-9
1645	0.69700003	717	-19.9999700000000
1646	0.85100001	851	9.99999997475243e-06
1647	1.041	1047	-6
1648	1.1619999	1162	-9.9999999974898e-05
1649	1.1210001	1114	7.00009999999997
1650	1.029	1042	-13
1651	1.005	992	12.9999999999999
1652	1.026	1037	-11
1653	1.096	1088	8
1654	1.031	991	40
1655	1.585	1455	130
1656	1.115	1066	49
1657	1.102	1040	62
1658	1.227	1173	54
1659	0.70300001	654	49.00001
1660	0.89899999	876	22.9999900000000
1661	0.89499998	847	47.9999800000001
1662	0.77600002	759	17.0000200000001
1663	1.001	941	59.9999999999999
1664	0.91100001	859	52.00001
1665	1.049	981	68
1666	0.95599997	911	44.9999700000001
1667	0.92400002	871	53.0000200000001
1668	1.011	936	74.9999999999999
1669	0.87900001	835	44.0000100000001
1670	0.91000003	880	30.0000299999999
1671	1.063	1004	59
1672	0.84899998	812	36.9999799999999
1673	0.76300001	704	59.00001
1674	0.77100003	699	72.0000300
1675	0.88999999	841	48.9999899999999
1676	0.84100002	850	-8.99998000000005
1677	0.49900001	452	47.00001
1678	0.58899999	543	45.99999
1679	0.59299999	603	-10.0000100000000
1680	0.31400001	299	15.0000100000000
1681	0.50300002	477	26.00002
1682	0.73900002	716	23.0000200000000
1683	0.87800002	874	4.00001999999995
1684	0.94999999	976	-26.0000100000000
1685	0.96200001	1094	-131.99999
1686	1.219	1340	-121
1687	1.306	1427	-121
1688	0.97000003	997	-26.9999700000000
1689	1.365	1294	71
1690	1.27	1318	-48
1691	1.558	1571	-13
1692	1.322	1313	9
1693	1.5	1444	56
1694	1.3660001	1340	26.0001
1695	0.91900003	868	51.0000299999999
1696	0.477	408	69
1697	1.05	936	114
1698	1.186	1160	26
1699	0.80400002	797	7.00002000000006
1700	0.89499998	820	74.99998
1701	1.025	948	77
1702	1.341	1151	190
1703	1.35	1245	105
1704	1.018	984	34
1705	0.68800002	652	36.0000200000001
1706	0.963	924	39
1707	1.105	1047	58
1708	0.81300002	790	23.0000200000001
1709	0.49000001	460	30.00001
1710	0.78899997	802	-13.0000300000000
1711	0.92799997	954	-26.0000300000000
1712	0.91100001	944	-32.99999
1713	0.93300003	948	-14.9999700000001
1714	1.0549999	1048	6.99990000000003
1715	1.1059999	1079	26.9999
1716	0.92900002	907	22.0000200000001
1717	0.89999998	885	14.9999800000001
1718	0.90700001	884	23.0000100000000
1719	0.87400001	850	24.0000100000001
1720	0.95700002	934	23.0000200000000
1721	0.815	815	0
1722	0.89999998	925	-25.0000200000000
1723	1.057	1104	-47
1724	0.98900002	1014	-24.9999800000001
1725	1.124	1180	-56
1726	0.97799999	1011	-33.00001
1727	1.087	1105	-18
1728	0.80800003	825	-16.9999700000001
1729	0.93000001	921	9.00000999999997
1730	1.192	1182	10
1731	0.99400002	1036	-41.9999800000001
1732	0.96200001	977	-14.9999900000000
1733	0.93199998	958	-26.0000200000001
1734	0.72600001	743	-16.9999900000000
1735	0.85100001	863	-11.9999900000000
1736	1.095	1130	-35
1737	0.83499998	861	-26.0000200000001
1738	1.2539999	1281	-27.0001
1739	1.204	1217	-13
1740	0.81599998	804	11.9999799999999
1741	0.57700002	546	31.0000200000000
1742	0.815	802	13
1743	0.903	902	1
1744	1.005	1040	-35.0000000000001
1745	0.82499999	847	-22.0000100000000
1746	0.87800002	916	-37.9999800000001
1747	0.72000003	736	-15.9999700000000
1748	0.99800003	1012	-13.9999700000000
1749	1.016	1027	-11
1750	1.234	1280	-46
1751	1.175	1177	-2
1752	1.3329999	1343	-10.0001000000002
1753	1.173	1204	-31
1754	1.113	1149	-36
1755	1.416	1484	-68
1756	1.3279999	1401	-73.0001
1757	1.385	1443	-58
1758	1.072	1124	-52
1759	1.2130001	1263	-49.9999
1760	1.346	1414	-68
1761	1.248	1309	-61
1762	1.304	1399	-95
1763	1.267	1348	-81
1764	1.165	1224	-59
1765	1.02	1075	-55
1766	1.488	1540	-52
1767	1.141	1204	-63
1768	0.88200003	935	-52.99997
1769	0.847	901	-54
1770	0.76499999	762	2.99998999999991
1771	0.79000002	801	-10.9999799999999
1772	0.99599999	1074	-78.0000100000001
1773	0.98900002	1057	-67.99998
1774	1.01	1067	-57
1775	1.1160001	1158	-41.9999
1776	1.155	1156	-1
1777	1.089	1112	-23
1778	1.2029999	1243	-40.0001
1779	1.101	1077	24
1780	1.216	1228	-12
1781	0.97899997	1001	-22.0000299999999
1782	1.127	1182	-55
1783	0.81900001	813	6.00000999999997
1784	1.038	1017	21
1785	1.164	1127	37
1786	0.71100003	687	24.0000300000000
1787	0.75999999	768	-8.00001000000009
1788	1.006	988	18
1789	1.095	1066	29
1790	0.773	771	2
1791	0.875	880	-5
1792	0.85000002	842	8.00001999999995
1793	0.773	752	21
1794	0.954	929	25
1795	1.136	1137	-1
1796	0.99199998	985	6.99998000000005
1797	0.94400001	949	-4.99999000000003
1798	1.186	1194	-8
1799	1.372	1388	-16
1800	0.76999998	750	19.9999800000001
1801	0.88999999	880	9.9999899999999
1802	1.0650001	1107	-41.9999
1803	0.69700003	723	-25.9999700000000
1804	1.0700001	1101	-30.9999
1805	1.141	1186	-45
1806	0.528	560	-32
1807	0.83399999	851	-17.0000100000000
1808	0.93599999	937	-1.00000999999997
1809	0.89700001	896	1.00000999999997
1810	0.833	859	-26
1811	1.033	1069	-36
1812	0.73000002	743	-12.9999800000001
1813	0.82800001	870	-41.99999
1814	0.94499999	958	-13.0000100000000
1815	0.898	920	-22
1816	1.149	1143	6
1817	1.117	1102	15
1818	1.289	1272	17
1819	1.48	1449	31
1820	1.11	1092	18
1821	0.58399999	542	41.99999
1822	0.72100002	712	9.00001999999995
1823	1.138	1168	-30
1824	0.89999998	923	-23.0000200000000
1825	0.96700001	1009	-41.99999
1826	1.512	1561	-49
1827	1.428	1458	-30
1828	1.2359999	1261	-25.0001
1829	1.296	1314	-18
1830	1.072	1066	6
1831	1.3839999	1354	29.9999
1832	1.102	1095	7
1833	1.097	1080	17
1834	1.285	1279	6
1835	0.90899998	884	24.9999800000001
1836	1.028	1001	27
1837	0.34400001	353	-8.99998999999997
1838	0.93800002	898	40.0000200000001
1839	0.94700003	927	20.0000300000000
1840	0.91000003	829	81.00003
1841	0.699	651	48
1842	0.78899997	739	49.99997
1843	0.96399999	915	48.99999
1844	0.70099998	662	38.9999799999999
1845	1.123	1095	28
1846	1.084	1074	10
1847	1.025	1017	8
1848	0.90899998	904	4.99998000000005
1849	0.889	862	27
1850	0.69800001	692	6.00000999999997
1851	0.97799999	952	25.9999900000000
1852	1.15	1129	21
1853	1.021	985	35.9999999999999
1854	1.472	1417	55
1855	1.318	1305	13
1856	1.071	1078	-7
1857	0.676	679	-3
1858	1.2970001	1262	35.0001
1859	1.25	1212	38
1860	1.181	1144	37
1861	1.538	1454	84
1862	1.052	1004	48
1863	1.161	1084	77
1864	1.2029999	1136	66.9999
1865	0.98400003	900	84.00003
1866	1.14	1095	45
1867	1.006	966	40
1868	1.051	1034	17
1869	0.94199997	904	37.9999700000001
1870	0.852	810	42
1871	0.87099999	851	19.9999899999999
1872	0.83899999	833	5.99999000000003
1873	1.26	1225	35
1874	0.94800001	949	-0.999990000000025
1875	0.91500002	922	-6.99997999999994
1876	1.059	998	61
1877	0.98799998	954	33.9999800000001
1878	1.015	958	56.9999999999999
1879	1.17	1123	47
1880	0.75599998	742	13.9999800000001
1881	0.58099997	542	38.9999700000001
1882	0.86000001	800	60.0000100000001
1883	0.98900002	910	79.00002
1884	0.99800003	939	59.00003
1885	1.0039999	988	15.9998999999999
1886	0.86799997	830	37.99997
1887	0.83200002	787	45.0000200000000
1888	0.66299999	639	23.9999900000000
1889	0.83499998	786	48.9999799999999
1890	1.1289999	1093	35.9999
1891	0.98500001	906	79.0000100000001
1892	0.84500003	809	36.00003
1893	0.69700003	642	55.00003
1894	1.003	892	111.000000000000
1895	1.071	1000	71
1896	1.271	1244	27
1897	0.93400002	940	-5.99997999999994
1898	1.225	1184	41
1899	1.1950001	1188	7.00009999999997
1900	0.77600002	775	1.00002000000006
1901	1.1720001	1078	94.0001
1902	0.92900002	884	45.0000200000001
1903	0.63999999	628	11.9999899999999
1904	0.63200003	619	13.0000300000000
1905	0.80199999	796	5.99999000000003
1906	0.87	870	0
1907	0.87099999	832	38.9999899999999
1908	1.003	965	37.9999999999999
1909	0.89899999	847	51.99999
1910	0.764	728	36
1911	0.699	667	32
1912	0.92900002	927	2.00002000000006
1913	0.83399999	824	9.99999000000003
1914	1.074	1037	37
1915	1.133	1113	20
1916	1.1390001	1156	-16.9999000000000
1917	0.92900002	943	-13.9999799999999
1918	0.88999999	897	-7.00001000000009
1919	0.98900002	966	23.0000200000000
1920	1.021	1020	0.999999999999886
1921	0.98100001	1006	-24.9999899999999
1922	1.109	1162	-53
1923	1.101	1129	-28
1924	1.0650001	1153	-87.9999
1925	1.15	1203	-53
1926	0.991	1032	-41
1927	1.103	1130	-27
1928	0.58099997	579	1.99997000000008
1929	0.71899998	730	-11.0000200000001
1930	1.222	1266	-44
1931	1.003	994	8.99999999999989
1932	0.98199999	983	-1.00000999999997
1933	1.025	1010	15
1934	1.402	1386	16
1935	1.169	1147	22
1936	1.036	1060	-24
1937	1.304	1380	-76
1938	1.243	1266	-23
1939	1.018	994	24
1940	0.88800001	907	-18.9999900000000
1941	1.243	1257	-14
1942	0.93699998	966	-29.0000200000001
1943	1.057	1096	-39
1944	1.176	1231	-55
1945	1.197	1213	-16
1946	1.045	1048	-3
1947	1.3559999	1402	-46.0001
1948	1.189	1257	-68
1949	1.0700001	1166	-95.9999
1950	1.074	1134	-60
1951	0.92900002	960	-30.9999799999999
1952	0.884	937	-53
1953	1.057	1112	-55
1954	1.278	1325	-47
1955	1.077	1139	-62
1956	0.85699999	895	-38.00001
1957	0.88800001	909	-20.9999900000000
1958	0.838	857	-19
1959	0.958	968	-10
1960	1.166	1174	-8
1961	0.838	803	35
1962	0.92799997	903	24.9999700000000
1963	0.70899999	727	-18.0000100000000
1964	1.054	1040	14
1965	0.83499998	855	-20.0000200000001
1966	0.852	888	-36
1967	1.179	1220	-41
1968	1.1339999	1171	-37.0001
1969	0.99900001	1018	-18.9999899999999
1970	1.125	1135	-10
1971	1.0420001	1071	-28.9998999999998
1972	1.273	1312	-39
1973	NA	NA	NA
1974	NA	NA	NA
1975	NA	NA	NA
1976	NA	NA	NA
1977	NA	NA	NA
1978	NA	NA	NA
1979	NA	NA	NA
1980	NA	NA	NA
1981	NA	NA	NA
1982	NA	NA	NA
1983	NA	NA	NA
1984	NA	NA	NA
1985	NA	NA	NA
1986	NA	NA	NA
1987	NA	NA	NA
1988	NA	NA	NA
1989	NA	NA	NA
1990	NA	NA	NA
1991	NA	NA	NA
1992	NA	NA	NA
1993	NA	NA	NA
1994	NA	NA	NA