year	month	CO2	time
1975	9	328.4	1975.67
1975	10	328.17	1975.75
1975	11	329.32	1975.83
1975	12	330.59	1975.92
1976	1	331.58	1976
1976	2	332.39	1976.08
1976	3	333.33	1976.17
1976	4	334.41	1976.25
1976	5	334.71	1976.33
1976	6	334.17	1976.42
1976	7	332.89	1976.5
1976	8	330.77	1976.58
1976	9	329.14	1976.67
1976	10	328.78	1976.75
1976	11	330.14	1976.83
1976	12	331.52	1976.92
1977	1	332.75	1977
1977	2	333.24	1977.08
1977	3	334.53	1977.17
1977	4	335.9	1977.25
1977	5	336.57	1977.33
1977	6	336.1	1977.42
1977	7	334.76	1977.5
1977	8	332.59	1977.58
1977	9	331.42	1977.67
1977	10	330.98	1977.75
1977	11	332.24	1977.83
1977	12	333.68	1977.92
1978	1	334.8	1978
1978	2	335.22	1978.08
1978	3	336.47	1978.17
1978	4	337.59	1978.25
1978	5	337.84	1978.33
1978	6	337.72	1978.42
1978	7	336.37	1978.5
1978	8	334.51	1978.58
1978	9	332.6	1978.67
1978	10	332.38	1978.75
1978	11	333.75	1978.83
1978	12	334.78	1978.92
1979	1	336.05	1979
1979	2	336.59	1979.08
1979	3	337.79	1979.17
1979	4	338.71	1979.25
1979	5	339.3	1979.33
1979	6	339.12	1979.42
1979	7	337.56	1979.5
1979	8	335.92	1979.58
1979	9	333.75	1979.67
1979	10	333.7	1979.75
1979	11	335.12	1979.83
1979	12	336.56	1979.92
1980	1	337.84	1980
1980	2	338.19	1980.08
1980	3	339.91	1980.17
1980	4	340.6	1980.25
1980	5	341.29	1980.33
1980	6	341	1980.42
1980	7	339.39	1980.5
1980	8	337.43	1980.58
1980	9	335.72	1980.67
1980	10	335.84	1980.75
1980	11	336.93	1980.83
1980	12	338.04	1980.92
1981	1	339.06	1981
1981	2	340.3	1981.08
1981	3	341.21	1981.17
1981	4	342.33	1981.25
1981	5	342.74	1981.33
1981	6	342.08	1981.42
1981	7	340.32	1981.5
1981	8	338.26	1981.58
1981	9	336.52	1981.67
1981	10	336.68	1981.75
1981	11	338.19	1981.83
1981	12	339.44	1981.92
1982	1	340.57	1982
1982	2	341.44	1982.08
1982	3	342.53	1982.17
1982	4	343.39	1982.25
1982	5	343.96	1982.33
1982	6	343.18	1982.42
1982	7	341.88	1982.5
1982	8	339.65	1982.58
1982	9	337.81	1982.67
1982	10	337.69	1982.75
1982	11	339.09	1982.83
1982	12	340.32	1982.92
1983	1	341.2	1983
1983	2	342.35	1983.08
1983	3	342.93	1983.17
1983	4	344.77	1983.25
1983	5	345.58	1983.33
1983	6	345.14	1983.42
1983	7	343.81	1983.5
1983	8	342.21	1983.58
1983	9	339.69	1983.67
1983	10	339.82	1983.75
1983	11	340.98	1983.83
1983	12	342.82	1983.92
1984	1	343.52	1984
1984	2	344.33	1984.08
1984	3	345.11	1984.17
1984	4	346.88	1984.25
1984	5	347.25	1984.33
1984	6	346.62	1984.42
1984	7	345.22	1984.5
1984	8	343.11	1984.58
1984	9	340.9	1984.67
1984	10	341.18	1984.75
1984	11	342.8	1984.83
1984	12	344.04	1984.92
1985	1	344.79	1985
1985	2	345.82	1985.08
1985	3	347.25	1985.17
1985	4	348.17	1985.25
1985	5	348.74	1985.33
1985	6	348.07	1985.42
1985	7	346.38	1985.5
1985	8	344.51	1985.58
1985	9	342.92	1985.67
1985	10	342.62	1985.75
1985	11	344.06	1985.83
1985	12	345.38	1985.92
1986	1	346.11	1986
1986	2	346.78	1986.08
1986	3	347.68	1986.17
1986	4	349.37	1986.25
1986	5	350.03	1986.33
1986	6	349.37	1986.42
1986	7	347.76	1986.5
1986	8	345.73	1986.58
1986	9	344.68	1986.67
1986	10	343.99	1986.75
1986	11	345.48	1986.83
1986	12	346.72	1986.92
1987	1	347.84	1987
1987	2	348.29	1987.08
1987	3	349.23	1987.17
1987	4	350.8	1987.25
1987	5	351.66	1987.33
1987	6	351.07	1987.42
1987	7	349.33	1987.5
1987	8	347.92	1987.58
1987	9	346.27	1987.67
1987	10	346.18	1987.75
1987	11	347.64	1987.83
1987	12	348.78	1987.92
1988	1	350.25	1988
1988	2	351.54	1988.08