DJF	MAM	JJA	SON
1905	687.392	678.209	674.605	680.446
1906	686.215	679.421	683.808	675.643
1907	685.267	678.827	681.718	676.155
1908	687.814	679.622	678.52	680.407
1909	688.79	679.639	679.398	683.918
1910	687.481	680.973	684.364	680.699
1911	692.611	682.701	667.232	678.008
1912	687.441	679.927	674.902	678.804
1913	684.448	682.536	675.933	678.543
1914	688.994	682.272	675.356	679.857
1915	687.959	683.301	678.222	684.037
1916	688.9	682.996	676.599	679.01
1917	684.828	681.957	683.495	679.47
1918	687.804	681.339	682.018	680.649
1919	686.59	677.533	679.657	680.772
1920	687.308	678.546	680.891	678.885
1921	688.911	680.317	682.354	676.096
1922	689.967	681.707	678.488	679.145
1923	687.986	684.222	680.216	680.666
1924	688.686	680.69	676.111	677.579
1925	693.045	680.122	674.418	681.562
1926	687.887	679.185	678.29	682.411
1927	683.769	685.438	677.914	678.387
1928	691.027	678.005	678.44	680.622
1929	688.116	680.343	677.851	678.98
1930	690.326	675.183	677.102	676.785
1931	687.71	676.661	676.479	678.014
1932	691.365	678.704	678.937	677.77
1933	686.166	680.114	676.658	677.732
1934	686.922	679.188	674.213	677.497
1935	687.553	681.145	676.354	678.085
1936	691.921	679.685	676.362	677.737
1937	687.913	683.18	675.302	677.682
1938	692.365	681.265	670.605	677.393
1939	690.602	678.245	682.053	679.101
1940	685.694	682.087	673.127	678.268
1941	689.398	681.299	678.838	680.897
1942	688.318	678.775	678.399	683.58
1943	686.079	680.555	678.045	677.422
1944	690.723	678.786	679.13	683.104
1945	691.873	681.108	679.534	681.081
1946	691.135	680.495	678.104	683.503
1947	687.395	677.303	678.03	678.469
1948	691.247	680.974	677.967	681.398
1949	691.877	678.419	680.361	678.471
1950	686.415	681.453	679.317	677.606
1951	689.262	683.352	677.648	682.646
1952	685.612	681.047	676.596	678.343
1953	688.36	680.339	675.081	681.287
1954	689.178	683.415	679.459	677.179
1955	690.856	681.927	678.456	679.017
1956	689.747	684.938	677.835	678.079
1957	691.015	682.415	678.536	679.288
1958	685.267	682.278	677.089	680.231
1959	688.163	683.36	677.171	678.653
1960	686.41	680.497	676.397	677.676
1961	684.967	681.401	678.315	678.028
1962	684.339	680.108	679.221	679.725
1963	689.739	678.559	680.889	677.53
1964	693.126	678.326	683.753	679.381
1965	688.517	680.164	679.901	677.244
1966	690.266	682.648	675.62	677.352
1967	689.377	680.534	677.855	677.64
1968	691.203	683.547	677.785	680.647
1969	688.296	680.441	677.715	677.948
1970	691.499	681.913	677.2	680.88
1971	691.692	683.137	677.148	681.358
1972	687.159	682.51	680.334	680.334
1973	684.521	681.771	676.97	678.533
1974	688.135	680.019	681.283	676.125
1975	688.423	683.196	680.581	679.285
1976	691.433	679.56	677.165	677.448
1977	685.643	683.248	676.642	675.839
1978	687.168	681.669	677.331	677.109
1979	690.514	680.759	674.202	678.528
1980	688.098	681.732	677.947	679.95
1981	687.717	680.98	679.574	677.368
1982	691.061	680.421	673.624	677.265
1983	688.491	683.891	678.54	676.316
1984	690.153	681.645	675.743	678.651
1985	690.161	683.471	675.302	678.923
1986	688.708	681.628	678.714	675.252
1987	686.532	680.736	679.405	677.524
1988	687.236	680.014	679.693	683.132
1989	688.469	679.833	675.633	677.169
1990	689.42	683.213	677.147	676.811
1991	690.113	680.667	680.483	680.311
1992	689.345	681.093	680.873	677.072
1993	686.706	679.923	675.513	678.634
1994	683.12	680.782	675.91	680.773
1995	688.052	678.126	681.947	677.448
1996	686.972	677.669	681.419	680.441
1997	686.35	676.758	675.346	680.254
1998	684.88	677.769	676.039	677.139
1999	684.022	677.263	679.311	675.895
2000	690.497	678.089	676.733	680.199
2001	687.456	679.568	675.886	677.05
2002	687.321	682.359	678.41	681.927
2003	688.334	677.392	675.001	678.856
2004	688.633	676.852	677.668	678.93
2005	688.985	678.634	677.256	677.629
2006	684.487	679.634	677.145	678.147
2007	683.4	680.55	683.882	679.804
2008	684.245	683.294	679.069	679.456
2009	687.578	680.969	678.389	679.008
2010	685.744	680.108	673.782	677.762
2011	682.806	680.574	679.491	679.525
2012	685.028		676.606	679.617
2013	685.906		678.693	680.204