DJF	MAM	JJA	SON
1905	688.213	674.245	676.323	678.899
1906	687.827	680.076	678.897	677.947
1907	684.879	677.587	680.613	679.104
1908	689.101	677.247	675.885	678.028
1909	689.665	678.765	678.023	679.04
1910	686.976	677.39	680.781	677.842
1911	693.925	678.66	673.522	679.044
1912	688.106	677.874	677.667	678.676
1913	683.785	681.578	679.922	678.456
1914	688.553	678.029	677.344	676.349
1915	686.611	680.028	679.514	681.18
1916	688.177	680.562	680.964	678.43
1917	685.059	677.328	683.907	679.039
1918	688.054	677.517	679.631	679.719
1919	686.777	673.994	677.294	677.636
1920	685.969	676.059	679.412	678.645
1921	688.519	677.198	680.55	678.731
1922	690.967	680.625	677.399	678.765
1923	687.293	680.557	680.409	679.904
1924	687.75	678.096	678.127	678.974
1925	693.385	678.31	676.396	678.618
1926	689.94	678.757	680.457	679.633
1927	682.493	681.223	678.239	678.099
1928	692.131	676.738	677.253	680.403
1929	689.517	679.367	674.512	678.021
1930	689.594	674.434	679.61	679.572
1931	688.312	675.726	677.967	678.824
1932	691.462	676.65	679.605	676.517
1933	685.413	680.994	678.377	677
1934	687.482	677.166	675.435	677.78
1935	688.075	680.525	680.732	678.27
1936	691.91	677.005	678.195	679.176
1937	689.648	680.459	678.272	676.914
1938	692.259	680.408	676.314	677.396
1939	692.662	676.463	680.479	677.576
1940	685.513	681.929	673.999	678.748
1941	689.976	678.992	679.733	678.744
1942	688.186	676.607	679.725	680.792
1943	685.231	676.242	677.005	677.924
1944	690.57	676.143	676.89	680.626
1945	691.107	679.035	681.084	678.76
1946	692.647	676.753	680.008	679.203
1947	688.836	675.059	680.741	677.573
1948	692.672	679.515	680.14	679.586
1949	692.414	677.374	680.081	677.211
1950	686.318	680.193	678.151	677.958
1951	690.905	680.682	675.723	679.841
1952	685.56	680.875	678.999	678.455
1953	687.701	681.261	676.258	678.797
1954	688.343	679.883	679.621	677.732
1955	689.227	681.164	679.121	679.04
1956	690.821	684.219	680.378	678.708
1957	691.53	681.398	678.367	679.937
1958	685.098	682.809	678.739	677.489
1959	687.664	683.159	680.343	676.49
1960	686.853	678.332	677.232	677.582
1961	685.991	681.313	677.837	676.056
1962	684.596	679.893	680.661	680.016
1963	689.686	679.096	680.403	678.122
1964	693.625	677.817	684.877	679.942
1965	689.335	680.479	677.519	676.958
1966	690.402	681.784	676.938	677.53
1967	689.273	681.281	677.957	677.925
1968	691.415	684.16	676.087	679.88
1969	687.567	681.101	676.862	676.881
1970	690.351	683.798	676.947	679.322
1971	691.446	682.876	678.633	680.091
1972	687.242	683.716	679.754	678.187
1973	683.886	680.127	676.808	679.088
1974	689.993	680.567	682.999	678.243
1975	687.997	683.207	679.516	678.251
1976	691.928	677.429	677.48	679.283
1977	685.574	681.495	678.575	677.607
1978	686.461	681.601	677.236	677.847
1979	690.912	681.639	674.58	678.3
1980	686.973	682.919	676.531	679.653
1981	687.338	679.997	679.446	678.196
1982	691.33	677.466	674.512	677.828
1983	688.349	684.506	677.013	678.066
1984	689.945	681.593	678.354	678.973
1985	689.598	682.953	676.255	677.842
1986	688.648	682.554	677.086	678.071
1987	686.608	682.84	675.168	678.258
1988	686.234	682.151	681.819	680.414
1989	687.336	680.401	676.236	678.025
1990	689.335	683.296	675.868	676.66
1991	689.867	679.573	679.087	679.985
1992	688.135	680.537	681.101	678.915
1993	686.098	678.318	673.621	677.287
1994	684.96	679.993	676.633	679.573
1995	687.753	678.33	679.879	677.899
1996	685.587	678.716	681.77	679.743
1997	686.752	675.352	674.523	678.395
1998	684.347	677.353	675.456	677.74
1999	684.095	676.682	677.014	677.135
2000	690.133	678.288	678.612	679.744
2001	687.827	679.89	676.452	677.844
2002	686.926	684.149	677.164	680.77
2003	688.831	679.48	676.209	678.925
2004	689.113	677.254	675.154	678.383
2005	690.427	678.208	676.287	679.376
2006	684.853	678.496	678.065	678.202
2007	682.749	683.027	683.357	678.835
2008	684.212	681.92	677.126	679.286
2009	688.774	681.946	677.945	678.336
2010	686.232	679.897	671.577	679.073
2011		680.529	684.527	679.247