"------------------------------------------------------------------------------------------ " " Daily average atmospheric CO2 concentrations (ppm) derived from flask air samples " " For Baja California Sur, Mexico: Latitude 23.3°N Longitude 110.2°W Elevation 4m " " " " Source: R. F. Keeling, S. C. Piper, A. F. Bollenbacher and S. J. Walker " " Scripps CO2 Program ( http://scrippsco2.ucsd.edu ) " " Scripps Institution of Oceanography (SIO) " " University of California " " La Jolla, California USA 92093-0244 " " " " Status of data and correspondence: " " " " These data are subject to revision based on recalibration of standard gases. Questions " " about the data should be directed to Dr. Ralph Keeling (rkeeling@ucsd.edu) and " " and Dr. Stephen Piper (scpiper@popmail.ucsd.edu), Scripps CO2 Program. " " " "Flask data in this file last updated 27-Oct-2011 " " " "-------------------------------------------------------------------------------------------" " " " Please cite as: " " " " C. D. Keeling, S. C. Piper, R. B. Bacastow, M. Wahlen, T. P. Whorf, M. Heimann, and " " H. A. Meijer, Exchanges of atmospheric CO2 and 13CO2 with the terrestrial biosphere and " " oceans from 1978 to 2000. I. Global aspects, SIO Reference Series, No. 01-06, Scripps " " Institution of Oceanography, San Diego, 88 pages, 2001. " " " " If it is necessary to cite a peer-reviewed article, please cite as: " " " " C. D. Keeling, S. C. Piper, R. B. Bacastow, M. Wahlen, T. P. Whorf, M. Heimann, and " " H. A. Meijer, Atmospheric CO2 and 13CO2 exchange with the terrestrial biosphere and " " oceans from 1978 to 2000: observations and carbon cycle implications, pages 83-113, " " in 'A History of Atmospheric CO2 and its effects on Plants, Animals, and Ecosystems', " " editors, Ehleringer, J.R., T. E. Cerling, M. D. Dearing, Springer Verlag, " " New York, 2005. " " " "-------------------------------------------------------------------------------------------" " Sampling dates are reported in 3 formats: Year, Month, Day, Hour and Minute " " M$Excel spreadsheet date format " " Decimal year and fractional year " " N - Number of flasks used in daily average " " " " FLG - Flags " " -1 - Accepted Value retained although individual measurements deviated " " by more than selected tolerance " " 0 - Accepted Continuous Value " " 1 - Accepted Value " " 2 - Rejected unacceptably large flask-analyzer differences associated " " with night sampling (used only at MLO between Dec 1962 and Sep 1968) " " 3 - Rejected used continuous data instead " " 4 - Rejected Replicates do not agree to selected tolerance " " 5 - Rejected Daily average deviates from fit by more than 3 standard deviations " " 6 - Rejected to improve local distribution of data such as too many " " data of generally poor quality (used only at two stations: " " KUM Aug 1979 - Jun 1980 and LJO Apr 1979 - Sep 1985) " " 7 - Rejected Unsteady air at site (La Jolla only) " " 8 - Rejected manually (see input/flag_flasks.csv) " " " " Cx - CO2 value (ppm) " " " " CO2 concentrations are measured on the '08A' Calibration Scale " " " " Sample,Sample, Excel, Sample, N,FLG, Cx " " Date, Time, Date, Date, " 1997-01-21, 13:40, 35451.57, 1997.056, 4, 1, 365.82 1997-02-08, 15:03, 35469.63, 1997.106, 2, 1, 365.57 1997-02-22, 15:07, 35483.63, 1997.144, 2, 1, 366.28 1997-03-07, 14:23, 35496.60, 1997.180, 3, 1, 367.85 1997-03-22, 14:16, 35511.59, 1997.221, 2, 1, 365.28 1997-04-05, 13:37, 35525.57, 1997.259, 3, 1, 368.96 1997-04-19, 14:56, 35539.62, 1997.298, 3, 1, 368.14 1997-05-03, 14:38, 35553.61, 1997.336, 2, 1, 370.19 1997-05-17, 14:07, 35567.59, 1997.374, 0, 4, 369.95 1997-05-31, 13:22, 35581.56, 1997.412, 3, 1, 368.85 1997-06-14, 14:43, 35595.61, 1997.451, 2, 1, 366.54 1997-06-27, 16:57, 35608.71, 1997.487, 2, 1, 366.04 1997-07-12, 14:56, 35623.62, 1997.528, 0, 4, 375.16 1997-08-02, 14:51, 35644.62, 1997.585, 0, 4, 389.42 1997-08-09, 14:10, 35651.59, 1997.604, 3, 1, 362.46 1997-08-23, 13:55, 35665.58, 1997.643, 3, 1, 362.56 1997-09-11, 13:58, 35684.58, 1997.695, 2, 1, 363.72 1997-09-20, 15:00, 35693.62, 1997.720, 2, 1, 362.42 1997-10-04, 14:43, 35707.61, 1997.758, 3, 1, 362.55 1997-10-18, 16:23, 35721.68, 1997.796, 0, 4, 363.12 1997-11-01, 12:49, 35735.53, 1997.834, 3, 1, 364.53 1997-11-15, 14:17, 35749.60, 1997.873, 2, 1, 362.73 1997-11-29, 14:44, 35763.61, 1997.911, 3, 1, 364.27 1997-12-13, 17:12, 35777.72, 1997.950, 3, 1, 365.53 1997-12-27, 13:24, 35791.56, 1997.988, 3, 1, 367.41 1998-01-10, 15:00, 35805.62, 1998.026, 3, 1, 366.23 1998-01-24, 14:29, 35819.60, 1998.065, 3, 1, 366.09 1998-02-07, 14:27, 35833.60, 1998.103, 3, 1, 367.44 1998-02-21, 14:39, 35847.61, 1998.141, 3, 1, 368.00 1998-03-07, 15:04, 35861.63, 1998.180, 3, 1, 368.16 1998-03-21, 13:08, 35875.55, 1998.218, 3, 1, 368.05 1998-04-04, 14:36, 35889.61, 1998.256, 3, 1, 369.46 1998-04-18, 13:46, 35903.57, 1998.295, 3, 1, 369.56 1998-05-02, 15:05, 35917.63, 1998.333, 2, 1, 368.59 1998-05-16, 13:51, 35931.58, 1998.371, 3, 1, 370.87 1998-05-30, 15:20, 35945.64, 1998.410, 2, 1, 371.29 1998-06-13, 15:10, 35959.63, 1998.448, 2, 1, 367.98 1998-06-27, 14:40, 35973.61, 1998.487, 3, 1, 368.97 1998-07-11, 14:26, 35987.60, 1998.525, 3, 1, 367.24 1998-07-25, 13:28, 36001.56, 1998.563, 6, 1, 366.97 1998-08-09, 13:51, 36016.58, 1998.604, 2, 1, 366.01 1998-08-22, 15:35, 36029.65, 1998.640, 3, 1, 364.24 1998-09-05, 14:22, 36043.60, 1998.678, 0, 4, 370.08 1998-09-19, 14:32, 36057.61, 1998.717, 0, 4, 363.88 1998-10-03, 14:13, 36071.59, 1998.755, 0, 4, 366.30 1998-10-17, 13:54, 36085.58, 1998.793, 3, 1, 365.77 1998-11-14, 15:17, 36113.64, 1998.870, 3, 1, 368.06 1998-11-28, 12:05, 36127.50, 1998.908, 3, 1, 368.34 1998-12-12, 15:12, 36141.63, 1998.947, 3, 1, 368.82 1998-12-26, 17:53, 36155.75, 1998.986, 0, 4, 380.17 1999-01-27, 12:22, 36187.52, 1999.073, 3, 1, 370.53 1999-02-07, 15:01, 36198.63, 1999.103, 3, 1, 370.28 1999-02-20, 16:15, 36211.68, 1999.139, 2, 1, 373.29 1999-03-06, 15:14, 36225.63, 1999.177, 2, 1, 371.47 1999-03-20, 15:40, 36239.65, 1999.215, 2, 1, 372.62 1999-04-03, 15:40, 36253.65, 1999.254, 0, 4, 374.62 1999-04-17, 15:44, 36267.66, 1999.292, 2, 1, 374.00 1999-05-01, 12:12, 36281.51, 1999.330, 3, 1, 373.06 1999-05-15, 15:40, 36295.65, 1999.369, 0, 4, 374.15 1999-05-29, 14:57, 36309.62, 1999.407, 3, 1, 372.28 1999-06-12, 16:30, 36323.69, 1999.446, 2, 1, 371.40 1999-06-26, 15:16, 36337.64, 1999.484, 3, 1, 368.89 1999-07-10, 14:18, 36351.60, 1999.522, 2, 1, 367.30 1999-07-26, 13:41, 36367.57, 1999.566, 3, 1, 366.73 1999-08-07, 15:15, 36379.64, 1999.599, 0, 4, 366.08 1999-08-22, 17:04, 36394.71, 1999.640, 2, 1, 368.90 1999-09-18, 14:36, 36421.61, 1999.714, 2, 1, 365.75 1999-10-02, 17:49, 36435.74, 1999.753, 3, 1, 366.03 1999-10-16, 14:39, 36449.61, 1999.791, 3, 1, 367.20 1999-10-30, 17:14, 36463.72, 1999.829, 3, 1, 366.54 1999-11-13, 17:23, 36477.72, 1999.868, 0, 4, 370.68 1999-11-27, 15:10, 36491.63, 1999.906, 3, 1, 368.88 1999-12-11, 15:35, 36505.65, 1999.944, 3, 1, 369.74 1999-12-27, 16:05, 36521.67, 1999.988, 3, 1, 371.77 2000-01-08, 15:19, 36533.64, 2000.021, 3, 1, 371.42 2000-01-22, 14:43, 36547.61, 2000.059, 3, 1, 369.54 2000-02-05, 13:50, 36561.58, 2000.097, 2, 1, 371.63 2000-02-19, 15:29, 36575.65, 2000.136, 3, 1, 372.52 2000-03-04, 14:25, 36589.60, 2000.174, 3, 1, 373.47 2000-03-18, 12:25, 36603.52, 2000.212, 0, 4, 373.61 2000-04-01, 14:05, 36617.59, 2000.250, 3, 1, 373.35 2000-04-15, 13:13, 36631.55, 2000.288, 3, 1, 374.36 2000-05-06, 15:20, 36652.64, 2000.346, 2, 1, 374.08 2000-05-13, 13:38, 36659.57, 2000.365, 0, 4, 380.43 2000-05-27, 13:13, 36673.55, 2000.403, 2, 1, 374.33 2000-06-10, 16:44, 36687.70, 2000.442, 3, 1, 372.46 2000-06-24, 16:46, 36701.70, 2000.480, 2, 1, 372.62 2000-07-08, 12:59, 36715.54, 2000.518, 2, 1, 367.97 2000-07-22, 13:47, 36729.57, 2000.556, 2, 1, 370.44 2000-08-05, 16:51, 36743.70, 2000.595, 3, 1, 370.57 2000-08-19, 14:57, 36757.62, 2000.633, 3, 1, 368.61 2000-09-03, 12:40, 36772.53, 2000.674, 3, 5, 375.57 2000-09-16, 13:06, 36785.55, 2000.709, 2, 1, 368.27 2000-09-30, 12:01, 36799.50, 2000.747, 0, 4, 379.30 2000-10-14, 16:49, 36813.70, 2000.786, 3, 1, 368.56 2000-10-28, 13:24, 36827.56, 2000.824, 3, 1, 368.59 2000-11-11, 17:20, 36841.72, 2000.863, 3, 1, 370.08 2000-11-25, 13:35, 36855.57, 2000.900, 3, 1, 372.50 2000-12-09, 17:35, 36869.73, 2000.939, 3, 1, 372.90 2000-12-23, 14:38, 36883.61, 2000.977, 3, 1, 371.80 2001-01-07, 07:48, 36898.32, 2001.017, 2, 1, 371.08 2001-01-20, 14:07, 36911.59, 2001.054, 3, 1, 375.20 2001-02-17, 15:11, 36939.63, 2001.131, 3, 1, 374.85 2001-03-04, 14:15, 36954.59, 2001.171, 3, 1, 375.50 2001-03-17, 15:42, 36967.65, 2001.207, 3, 1, 375.45 2001-03-31, 11:14, 36981.47, 2001.245, 2, 1, 374.17 2001-04-14, 15:54, 36995.66, 2001.284, 2, 1, 375.61 2001-04-28, 16:51, 37009.70, 2001.322, 3, 1, 374.50 2001-05-12, 13:58, 37023.58, 2001.360, 0, 4, 381.73 2001-05-26, 13:14, 37037.55, 2001.399, 2, 1, 376.39 2001-06-09, 15:36, 37051.65, 2001.437, 2, 1, 374.90 2001-06-24, 14:26, 37066.60, 2001.478, 2, 1, 374.55 2001-07-14, 14:09, 37086.59, 2001.533, 3, 1, 373.13 2001-07-28, 15:13, 37100.63, 2001.572, 0, 4, 396.29 2001-08-12, 15:48, 37115.66, 2001.613, 3, 1, 368.25 2001-08-25, 15:15, 37128.64, 2001.648, 2, 1, 367.85 2001-09-08, 14:17, 37142.60, 2001.687, 3, 5, 364.05 2001-09-22, 14:54, 37156.62, 2001.725, 3, 1, 368.77 2001-10-06, 12:31, 37170.52, 2001.763, 2, 1, 372.45 2001-10-20, 14:46, 37184.62, 2001.802, 2, 1, 372.60 2001-11-04, 15:45, 37199.66, 2001.843, 2, 1, 370.32 2001-11-17, 14:55, 37212.62, 2001.878, 2, 1, 372.38 2001-12-01, 12:48, 37226.53, 2001.917, 3, 1, 370.68 2001-12-15, 15:51, 37240.66, 2001.955, 2, 1, 374.09 2001-12-29, 15:00, 37254.62, 2001.993, 3, 1, 374.15 2002-01-12, 12:30, 37268.52, 2002.032, 2, 1, 372.63 2002-01-26, 13:49, 37282.58, 2002.070, 3, 1, 375.24 2002-02-09, 13:13, 37296.55, 2002.108, 0, 4, 379.56 2002-03-02, 15:14, 37317.63, 2002.166, 3, 1, 375.92 2002-03-16, 15:15, 37331.64, 2002.204, 3, 1, 376.34 2002-03-30, 13:42, 37345.57, 2002.243, 0, 4, 381.50 2002-04-13, 14:23, 37359.60, 2002.281, 3, 1, 375.72 2002-05-18, 13:50, 37394.58, 2002.377, 2, 1, 377.45 2002-06-01, 17:27, 37408.73, 2002.416, 2, 1, 377.02 2002-06-15, 13:35, 37422.57, 2002.454, 0, 4, 376.44 2002-06-29, 14:02, 37436.58, 2002.492, 2, 1, 374.82 2002-07-13, 14:46, 37450.62, 2002.530, 2, 1, 373.01 2002-07-27, 15:06, 37464.63, 2002.569, 2, 1, 371.37 2002-08-10, 14:19, 37478.60, 2002.607, 3, 5, 368.07 2002-08-29, 15:09, 37497.63, 2002.659, 2, 1, 370.09 2002-09-14, 14:18, 37513.60, 2002.703, 3, 1, 371.46 2002-09-28, 14:42, 37527.61, 2002.741, 2, 1, 372.78 2002-10-12, 17:39, 37541.74, 2002.780, 0, 4, 373.95 2002-10-26, 15:38, 37555.65, 2002.818, 3, 1, 372.85 2002-11-11, 13:16, 37571.55, 2002.862, 3, 1, 373.25 2002-11-23, 15:42, 37583.65, 2002.895, 3, 1, 375.38 2002-12-07, 16:54, 37597.70, 2002.933, 3, 1, 376.25 2002-12-23, 13:35, 37613.57, 2002.977, 3, 1, 376.55 2003-01-11, 14:43, 37632.61, 2003.029, 3, 1, 375.79 2003-01-25, 13:51, 37646.58, 2003.067, 3, 1, 376.69 2003-02-08, 13:01, 37660.54, 2003.106, 3, 1, 376.73 2003-02-22, 13:39, 37674.57, 2003.144, 3, 1, 378.27 2003-04-26, 14:49, 37737.62, 2003.317, 2, 1, 380.73 2003-05-10, 14:34, 37751.61, 2003.355, 3, 1, 382.09 2003-05-24, 17:04, 37765.71, 2003.394, 3, 1, 381.21 2003-06-07, 12:50, 37779.53, 2003.432, 0, 4, 381.49 2003-06-21, 13:32, 37793.56, 2003.470, 3, 1, 378.31 2003-07-05, 17:00, 37807.71, 2003.509, 0, 4, 378.50 2003-07-19, 13:33, 37821.56, 2003.547, 2, 5, 380.36 2003-08-02, 13:27, 37835.56, 2003.585, 2, 1, 376.65 2003-09-20, 13:29, 37884.56, 2003.719, 0, 4, 375.61 2003-10-04, 14:12, 37898.59, 2003.758, 0, 4, 378.92 2003-10-18, 12:11, 37912.51, 2003.796, 0, 4, 390.43 2003-11-02, 14:13, 37927.59, 2003.837, 2, 1, 375.59 2003-11-15, 13:50, 37940.58, 2003.873, 2, 1, 380.00 2003-11-30, 16:18, 37955.68, 2003.914, 3, 1, 377.44 2003-12-18, 15:32, 37973.65, 2003.963, 3, 1, 378.44 2003-12-29, 11:12, 37984.47, 2003.993, 3, 1, 378.79 2004-01-10, 14:24, 37996.60, 2004.026, 3, 1, 379.70 2004-01-24, 15:07, 38010.63, 2004.065, 3, 1, 380.07 2004-02-07, 12:58, 38024.54, 2004.103, 3, 1, 379.30 2004-02-22, 13:32, 38039.56, 2004.144, 2, 1, 379.79 2004-03-06, 16:34, 38052.69, 2004.179, 0, 4, 382.18 2004-03-20, 11:33, 38066.48, 2004.217, 2, 1, 380.55 2004-04-04, 17:23, 38081.72, 2004.259, 3, 1, 381.85 2004-04-17, 13:52, 38094.58, 2004.294, 3, 1, 382.19 2004-05-02, 16:54, 38109.70, 2004.335, 2, 1, 383.86 2004-05-16, 13:41, 38123.57, 2004.373, 2, 1, 382.02 2004-05-29, 12:47, 38136.53, 2004.409, 2, 1, 380.10 2004-06-12, 13:28, 38150.56, 2004.447, 2, 5, 386.29 2004-06-25, 13:04, 38163.54, 2004.482, 2, 1, 380.99 2004-07-12, 14:05, 38180.59, 2004.529, 0, 4, 383.07 2004-07-24, 00:00, 38192.00, 2004.560, 1, 1, 376.58 2004-08-08, 15:08, 38207.63, 2004.603, 0, 4, 387.11 2004-08-25, 12:17, 38224.51, 2004.649, 2, 1, 377.35 2004-09-05, 14:29, 38235.60, 2004.679, 0, 4, 388.86 2004-09-18, 14:15, 38248.59, 2004.715, 0, 4, 386.34 2005-01-29, 13:13, 38381.55, 2005.078, 3, 1, 380.17 2005-02-12, 13:43, 38395.57, 2005.117, 3, 1, 380.32 2005-02-26, 15:50, 38409.66, 2005.155, 3, 1, 382.04 2005-03-16, 13:36, 38427.57, 2005.204, 2, 1, 383.04 2005-03-26, 13:27, 38437.56, 2005.232, 3, 1, 383.15 2005-04-09, 13:59, 38451.58, 2005.270, 0, 4, 384.04 2005-04-23, 15:37, 38465.65, 2005.309, 2, 1, 384.18 2005-05-07, 14:41, 38479.61, 2005.347, 0, 4, 387.20 2005-05-28, 13:02, 38500.54, 2005.404, 3, 1, 384.38 2005-06-03, 13:11, 38506.55, 2005.421, 2, 1, 384.59 2005-06-18, 13:48, 38521.57, 2005.462, 2, 1, 383.60 2005-07-06, 13:10, 38539.55, 2005.511, 0, 4, 383.07 2005-07-17, 13:58, 38550.58, 2005.541, 2, 1, 379.44 2005-08-03, 14:37, 38567.61, 2005.588, 2, 1, 379.85 2005-08-13, 13:15, 38577.55, 2005.615, 0, 4, 392.76 2005-09-18, 14:07, 38613.59, 2005.714, 0, 4, 381.79 2005-10-28, 13:18, 38653.55, 2005.823, 2, 1, 380.71 2005-11-05, 13:15, 38661.55, 2005.845, 3, 1, 379.95 2005-11-19, 13:25, 38675.56, 2005.884, 2, 1, 380.44 2005-12-03, 12:26, 38689.52, 2005.922, 0, 4, 383.41 2006-03-29, 13:57, 38805.58, 2006.240, 2, 1, 385.66 2006-04-29, 13:13, 38836.55, 2006.325, 0, 4, 388.90 2006-05-20, 13:28, 38857.56, 2006.382, 0, 4, 390.19 2006-06-03, 13:31, 38871.56, 2006.421, 2, 1, 387.02 2006-06-17, 13:53, 38885.58, 2006.459, 0, 4, 385.37 2006-07-01, 14:57, 38899.62, 2006.498, 0, 4, 395.02 2006-07-08, 15:10, 38906.63, 2006.517, 2, 1, 385.42 2006-08-12, 15:21, 38941.64, 2006.613, 2, 1, 380.08 2006-08-26, 11:35, 38955.48, 2006.651, 3, 1, 379.82 2006-09-13, 13:56, 38973.58, 2006.700, 2, 1, 379.26 2006-10-07, 12:20, 38997.51, 2006.766, 0, 4, 392.01 2006-10-21, 13:07, 39011.55, 2006.804, 2, 1, 381.11 2006-12-10, 14:47, 39061.62, 2006.941, 3, 1, 384.16 2006-12-22, 14:25, 39073.60, 2006.974, 0, 4, 393.00 2007-01-07, 13:05, 39089.55, 2007.018, 0, 4, 387.27 2007-01-20, 14:07, 39102.59, 2007.054, 3, 1, 387.50 2007-02-03, 16:14, 39116.68, 2007.092, 0, 4, 386.90 2007-02-17, 14:33, 39130.61, 2007.130, 0, 4, 390.39 2007-03-03, 12:19, 39144.51, 2007.169, 2, 1, 387.62 2007-03-26, 12:34, 39167.52, 2007.232, 3, 1, 387.14 2007-04-07, 12:35, 39179.52, 2007.264, 3, 1, 387.45 2007-04-21, 16:30, 39193.69, 2007.303, 2, 1, 389.06 2007-05-06, 15:56, 39208.66, 2007.344, 2, 1, 389.56 2008-04-08, 16:15, 39546.68, 2008.270, 3, 1, 391.07 2008-04-10, 10:45, 39548.45, 2008.274, 2, 1, 390.77 2008-06-21, 13:30, 39620.56, 2008.471, 2, 1, 389.36 2008-07-04, 14:23, 39633.60, 2008.507, 0, 4, 389.83 2008-07-20, 14:49, 39649.62, 2008.551, 0, 4, 389.49 2008-07-31, 14:26, 39660.60, 2008.581, 0, 4, 384.02 2008-10-04, 14:16, 39725.59, 2008.758, 0, 4, 383.26 2008-10-18, 14:17, 39739.60, 2008.797, 0, 4, 387.78 2008-11-01, 12:34, 39753.52, 2008.835, 3, 1, 387.21 2008-11-15, 13:10, 39767.55, 2008.873, 3, 1, 387.76 2008-12-13, 14:02, 39795.58, 2008.950, 3, 1, 387.85 2009-01-24, 13:04, 39837.54, 2009.065, 3, 1, 387.59 2009-02-14, 14:56, 39858.62, 2009.122, 3, 1, 390.12 2009-02-21, 13:57, 39865.58, 2009.141, 2, 1, 391.04 2009-03-07, 12:34, 39879.52, 2009.180, 3, 1, 390.51 2009-03-21, 13:13, 39893.55, 2009.218, 0, 4, 391.17