# Northern Galápagos Coral Sr/Ca Data and SST Reconstruction from 1940-2010 CE #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # NOTE: Please cite original publication, online resource and date accessed when using this data. # If there is no publication information, please cite Investigator, title, online resource and date accessed. # # Description/Documentation lines begin with # # Data lines have no # # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/23351 # Description: NOAA Landing Page # Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/coral/east_pacific/jimenez2018/jimenez2018.txt # Description: NOAA location of the template # # Archive: Corals and Sclerosponges # # Dataset_DOI: # # Parameter_Keywords: trace metals #--------------------------------------- # Contribution_Date # Date: 2018-02-21 #--------------------------------------- # File_Last_Modified_Date # Date: 2018-02-21 #--------------------------------------- # Title # Study_Name: Northern Galápagos Coral Sr/Ca Data and SST Reconstruction from 1940-2010 CE #--------------------------------------- # Investigators # Investigators: Jimenez, Gloria; Cole, Julia; Thompson, Diane; Tudhope, Alexander #--------------------------------------- # Description_Notes_and_Keywords # Description: # Provided Keywords: corals, eastern tropical Pacific, ocean dynamical thermostat, sea surface temperature, climate change #--------------------------------------- # Publication # Authors: Jimenez, Gloria, Julia E. Cole, Diane M. Thompson, and Alexander W. Tudhope # Published_Date_or_Year: 2018 # Published_Title: Northern Galápagos corals reveal twentieth century warming in the eastern tropical Pacific # Journal_Name: Geophysical Research Letters # Volume: 45 # Edition: # Issue: # Pages: # Report Number: # DOI: 10.1002/2017GL075323 # Online_Resource: # Full_Citation: # Abstract: Models and observations disagree regarding sea surface temperature (SST) trends in the eastern tropical Pacific (ETP). We present a new Sr/Ca-SST record that spans 1940-2010 from two Wolf Island corals (northern Galápagos). Trend analysis of the Wolf record shows significant warming on multiple timescales, which is also present in several other records and gridded instrumental products. Together, these datasets suggest that most of the ETP has warmed over the 20th century. In contrast, recent decades have been characterized by warming during boreal spring and summer (especially north of the equator), and subtropical cooling during boreal fall and winter (especially south of the equator). These SST trends are consistent with the effects of radiative forcing, mitigated by cooling due to wind forcing during boreal winter, as well as intensified upwelling and a strengthened Equatorial Undercurrent. #--------------------------------------- # Funding_Agency # Funding_Agency_Name: National Science Foundation # Grant: 1401326, 957881 #--------------------------------------- # Funding_Agency # Funding_Agency_Name: Natural Environment Research Council # Grant: NE/H009957/1 #--------------------------------------- # Site Information # Site_Name: Wolf Island # Location: Galápagos Islands # Country: Ecuador # Northernmost_Latitude: 1.385833 # Southernmost_Latitude: 1.385833 # Easternmost_Longitude: -91.831667 # Westernmost_Longitude: -91.831667 # Elevation: -10 #--------------------------------------- # Data_Collection # Collection_Name: GW10-3 GW10-10 Sr/Ca Jimenez2018 # First_Year: 1940 # Last_Year: 2010 # Time_Unit: AD # Core_Length: # Notes: #--------------------------------------- # Chronology_Information # Chronology: #--------------------------------------- # Variables # Data variables follow that are preceded by "##" in columns one and two. # Variables list, one per line, shortname-tab-longname components (9 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data) ## age_AD age,,year Common Era,,Corals and Sclerosponges,,,N,, ## Sr/Ca-GW10-3 strontium/calcium,,mmol/mol,,Corals and Sclerosponges,,inductively-coupled plasma atomic emission spectroscopy,N,From GW10-3; smoothed to bimonthly resolution, ## Sr/Ca-GW10-10 strontium/calcium,,mmol/mol,,Corals and Sclerosponges,,inductively-coupled plasma atomic emission spectroscopy,N,From GW10-10; smoothed to bimonthly resolution, ## Sr/Ca-composite strontium/calcium,,mmol/mol,,Corals and Sclerosponges,,inductively-coupled plasma atomic emission spectroscopy,N,composite of GW10-3 and GW10-10; smoothed to bimonthly resolution, ## Sr/Ca-SST-composite sea surface temperature,,degree Celsius,Dec-Mar,climate reconstruction,smoothed,inductively-coupled plasma atomic emission spectroscopy,N,composite of GW10-3 and GW10-10; smoothed to bimonthly resolution, #------------------------ # Data # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing Value: NaN age_AD Sr/Ca-GW10-3 Sr/Ca-GW10-10 Sr/Ca-composite Sr/Ca-SST-composite 2010.249997 9.19902 9.15258 9.174555 26.18436 2010.08333 9.17288 9.137885 9.153809 26.55051 2009.916663 9.186135 9.196415 9.188683 25.93501 2009.749997 9.199915 9.21129 9.203017 25.682 2009.58333 9.226815 9.15531 9.190465 25.90355 2009.416663 9.20772 9.085205 9.147003 26.67064 2009.249997 9.146495 9.10921 9.12627 27.03658 2009.08333 9.217485 9.13083 9.173889 26.19611 2008.916663 9.214285 9.20393 9.207061 25.61063 2008.749997 9.19699 9.31489 9.250876 24.83731 2008.58333 9.15976 9.3349 9.240849 25.01428 2008.416663 9.134795 9.27306 9.198243 25.76627 2008.249997 9.10528 9.050635 9.07668 27.91184 2008.08333 9.191455 9.10954 9.150057 26.61673 2007.916663 9.31176 9.112315 9.214611 25.47738 2007.749997 9.389445 9.177415 9.28648 24.2089 2007.58333 9.445905 9.23211 9.342232 23.22488 2007.416663 9.328635 9.27008 9.298701 23.9932 2007.249997 9.065615 9.17761 9.116373 27.21126 2007.08333 9.114915 9.178105 9.14252 26.74976 2006.916663 9.176725 9.22292 9.196374 25.79925 2006.749997 9.20165 9.20391 9.200411 25.72801 2006.58333 9.266715 9.180775 9.223577 25.31912 2006.416663 9.27914 9.177555 9.228572 25.23096 2006.249997 9.183175 9.126875 9.153971 26.54766 2006.08333 9.19981 9.139695 9.168826 26.28547 2005.916663 9.27117 9.18653 9.228662 25.22937 2005.749997 9.25038 9.25454 9.250162 24.8499 2005.58333 9.23723 9.308645 9.269048 24.51658 2005.416663 9.240385 9.13619 9.188481 25.93857 2005.249997 9.15933 9.08702 9.122436 27.10425 2005.08333 NaN 9.126935 9.175686 26.1644 2004.916663 9.22923 9.2055 9.215664 25.45878 2004.749997 9.338245 9.19035 9.265737 24.575 2004.58333 9.394335 9.418235 9.403871 22.13697 2004.416663 9.33229 9.232185 9.282554 24.27819 2004.249997 9.17436 9.06359 9.119164 27.162 2004.08333 9.14713 9.080965 9.113137 27.26838 2003.916663 9.191705 9.132655 9.16121 26.4199 2003.749997 9.26966 9.25859 9.262226 24.63697 2003.58333 9.412725 9.31983 9.366618 22.79448 2003.416663 9.191065 9.23935 9.211745 25.52796 2003.249997 9.12003 8.98483 9.053057 28.32878 2003.08333 9.148995 9.132745 9.138805 26.81534 2002.916663 9.21441 9.191905 9.201393 25.71067 2002.749997 9.331235 9.21005 9.271446 24.47425 2002.58333 9.32583 9.322695 9.322313 23.57645 2002.416663 9.27699 9.26251 9.267948 24.53599 2002.249997 9.0598 9.16891 9.109169 27.33841 2002.08333 9.074405 9.130945 9.098744 27.52241 2001.916663 9.222385 9.182185 9.20095 25.71848 2001.749997 9.29791 9.17416 9.236819 25.08541 2001.58333 9.370255 9.183245 9.279174 24.33785 2001.416663 9.311195 9.222725 9.266956 24.55349 2001.249997 9.18839 9.22149 9.201823 25.70308 2001.08333 9.242685 9.15533 9.198815 25.75617 2000.916663 9.263 9.2522 9.255679 24.75252 2000.749997 9.26892 9.19656 9.232262 25.16583 2000.58333 9.288695 9.16671 9.228423 25.23359 2000.416663 9.28701 9.23959 9.262286 24.63591 2000.249997 9.23482 9.201925 9.216898 25.43701 2000.08333 9.273735 9.18959 9.23147 25.17982 1999.916663 9.304795 9.29828 9.299617 23.97704 1999.749997 9.309715 9.28971 9.298116 24.00352 1999.58333 9.358025 9.256375 9.307614 23.8359 1999.416663 9.321465 9.19804 9.260585 24.66595 1999.249997 9.253115 9.16046 9.206743 25.61624 1999.08333 9.203825 9.151705 9.176663 26.14715 1998.916663 9.217685 9.21561 9.214417 25.4808 1998.749997 9.27224 9.26181 9.265118 24.58594 1998.58333 9.33231 9.192415 9.263603 24.61268 1998.416663 9.104035 8.9995 9.051645 28.3537 1998.249997 8.96625 8.908675 8.935923 30.39618 1998.08333 9.006535 8.92789 8.966257 29.86077 1997.916663 9.040485 8.9841 9.010901 29.07282 1997.749997 9.08448 9.017925 9.050152 28.38005 1997.58333 9.09535 9.007765 9.051021 28.36471 1997.416663 9.159335 9.07465 9.11654 27.2083 1997.249997 9.12698 9.101635 9.112401 27.28136 1997.08333 9.24452 9.105365 9.175957 26.15961 1996.916663 9.301955 9.22909 9.265135 24.58564 1996.749997 9.38177 9.271195 9.32716 23.49091 1996.58333 9.390895 9.36817 9.378192 22.59019 1996.416663 9.27116 9.31821 9.291441 24.12134 1996.249997 9.171 9.18998 9.17766 26.12956 1996.08333 9.239475 9.16051 9.199598 25.74235 1995.916663 9.31879 9.22994 9.274388 24.42232 1995.749997 9.37355 9.33171 9.351692 23.05791 1995.58333 9.38709 9.38394 9.383712 22.49278 1995.416663 9.30891 9.3655 9.333829 23.37319 1995.249997 9.124755 9.10213 9.111468 27.29783 1995.08333 9.187615 9.047645 9.118528 27.17322 1994.916663 9.201745 9.12728 9.163924 26.37199 1994.749997 9.365455 9.325295 9.344379 23.18699 1994.58333 9.425965 9.416935 9.419875 21.85449 1994.416663 9.461325 9.232305 9.35043 23.08019 1994.249997 9.26655 9.14007 9.204083 25.6632 1994.08333 9.229385 9.12515 9.177436 26.13352 1993.916663 9.25829 9.1779 9.217778 25.42147 1993.749997 9.26765 9.280595 9.271662 24.47044 1993.58333 9.29698 9.20168 9.249451 24.86245 1993.416663 9.168865 9.12448 9.145308 26.70057 1993.249997 9.112035 9.013675 9.062608 28.1602 1993.08333 9.182555 9.093805 9.137877 26.83171 1992.916663 9.30769 9.204715 9.256527 24.73756 1992.749997 9.367755 9.226845 9.298648 23.99414 1992.58333 9.44055 9.333485 9.387753 22.42145 1992.416663 9.30292 9.11617 9.211803 25.52694 1992.249997 9.07561 8.970785 9.023014 28.85903 1992.08333 9.088515 9.03736 9.061539 28.17907 1991.916663 9.1154 9.14743 9.12815 27.0034 1991.749997 9.15594 9.164575 9.157632 26.48305 1991.58333 9.173285 9.228105 9.197038 25.78753 1991.416663 9.22461 9.18693 9.204382 25.65791 1991.249997 9.23629 9.220005 9.226291 25.27123 1991.08333 9.28957 9.07619 9.185724 25.98722 1990.916663 9.287335 9.18494 9.2364 25.09279 1990.749997 9.3381 9.262505 9.300064 23.96914 1990.58333 9.36847 9.30557 9.336559 23.32501 1990.416663 9.305195 9.199585 9.25277 24.80387 1990.249997 9.24804 9.1966 9.221307 25.35919 1990.08333 9.28185 9.065905 9.176763 26.14539 1989.916663 9.294135 9.23791 9.26523 24.58396 1989.749997 9.344465 9.28999 9.316514 23.6788 1989.58333 9.35211 9.371015 9.359164 22.92604 1989.416663 9.307895 9.237465 9.27225 24.46006 1989.249997 9.25603 9.23394 9.24331 24.97084 1989.08333 9.32431 9.206655 9.266187 24.56706 1988.916663 9.34651 9.288445 9.316852 23.67284 1988.749997 9.50766 9.396755 9.453191 21.26647 1988.58333 9.48184 9.41202 9.446899 21.37753 1988.416663 9.287505 9.31953 9.300661 23.9586 1988.249997 9.218755 9.155755 9.186441 25.97457 1988.08333 9.25507 9.106405 9.181998 26.05299 1987.916663 9.32652 9.1532 9.241862 24.9964 1987.749997 9.372065 9.225685 9.30036 23.96392 1987.58333 9.34426 9.19894 9.272994 24.44692 1987.416663 9.32096 9.036755 9.18342 26.02789 1987.249997 NaN 8.98141 9.036916 28.61367 1987.08333 NaN 9.018755 9.072527 27.98513 1986.916663 NaN 9.11745 9.166641 26.32403 1986.749997 NaN 9.214835 9.259506 24.68499 1986.58333 NaN 9.298315 9.339111 23.27997 1986.416663 NaN 9.287225 9.328536 23.46662 1986.249997 NaN 9.25935 9.301955 23.93578 1986.08333 NaN 9.19759 9.243061 24.97523 1985.916663 NaN 9.252575 9.295494 24.0498 1985.749997 NaN 9.41492 9.450303 21.31744 1985.58333 NaN NaN NaN NaN 1985.416663 NaN NaN NaN NaN 1985.249997 NaN NaN NaN NaN 1985.08333 NaN NaN NaN NaN 1984.916663 NaN NaN NaN NaN 1984.749997 NaN NaN NaN NaN 1984.58333 NaN NaN NaN NaN 1984.416663 NaN NaN NaN NaN 1984.249997 NaN NaN NaN NaN 1984.08333 NaN NaN NaN NaN 1983.916663 NaN NaN NaN NaN 1983.749997 NaN NaN NaN NaN 1983.58333 NaN NaN NaN NaN 1983.416663 NaN NaN NaN NaN 1983.249997 NaN NaN NaN NaN 1983.08333 9.2512 NaN 9.203819 25.66786 1982.916663 9.326045 NaN 9.282493 24.27927 1982.749997 9.377285 9.098615 9.242518 24.98483 1982.58333 9.358165 9.218865 9.289803 24.15025 1982.416663 9.30417 9.15797 9.23239 25.16359 1982.249997 9.217605 9.10994 9.163992 26.37079 1982.08333 9.240655 9.18077 9.209878 25.56091 1981.916663 9.24489 9.279595 9.259223 24.68998 1981.749997 9.29763 9.272015 9.283328 24.26453 1981.58333 9.31827 9.27329 9.294784 24.06234 1981.416663 9.267725 9.196425 9.23157 25.17806 1981.249997 9.15739 9.19739 9.17404 26.19345 1981.08333 9.202945 9.267155 9.231246 25.18377 1980.916663 9.27006 9.241815 9.254439 24.77443 1980.749997 9.311845 9.183095 9.248403 24.88095 1980.58333 9.229955 9.183005 9.20532 25.64136 1980.416663 9.180465 9.231005 9.202195 25.69652 1980.249997 9.079595 9.1842 9.126863 27.02611 1980.08333 9.124915 9.219085 9.167315 26.31214 1979.916663 9.29693 9.285615 9.289444 24.15658 1979.749997 9.37849 9.39089 9.382505 22.51407 1979.58333 9.281995 9.25341 9.26624 24.56614 1979.416663 9.21375 9.14994 9.181038 26.06994 1979.249997 9.192715 9.114135 9.152911 26.56638 1979.08333 9.20902 9.206045 9.205302 25.64168 1978.916663 9.312625 9.21964 9.266237 24.56618 1978.749997 9.399605 9.23313 9.318384 23.64579 1978.58333 9.42804 9.226085 9.32997 23.4413 1978.416663 9.304045 9.15488 9.230851 25.19075 1978.249997 9.197565 9.156535 9.175676 26.16458 1978.08333 9.225805 9.24058 9.23059 25.19535 1977.916663 9.300895 9.30421 9.300394 23.96331 1977.749997 9.300715 9.318415 9.307072 23.84544 1977.58333 9.313055 9.36934 9.337839 23.30242 1977.416663 9.299225 9.227975 9.263168 24.62035 1977.249997 9.180065 9.05528 9.1182 27.17901 1977.08333 9.294975 9.15113 9.224296 25.30644 1976.916663 9.34774 9.23507 9.29205 24.11059 1976.749997 9.332825 9.359265 9.343426 23.20381 1976.58333 9.36441 9.312835 9.337889 23.30154 1976.416663 9.320315 9.15078 9.237447 25.07432 1976.249997 9.278225 9.114885 9.198211 25.76684 1976.08333 9.47829 9.195755 9.34192 23.2304 1975.916663 9.450425 9.14857 9.347517 23.13161 1975.749997 9.337345 NaN 9.294371 24.06962 1975.58333 9.35057 NaN 9.308273 23.82426 1975.416663 9.282325 NaN 9.236536 25.0904 1975.249997 9.23838 NaN 9.190343 25.90571 1975.08333 9.298245 NaN 9.253271 24.79504 1974.916663 9.36956 NaN 9.328235 23.47194 1974.749997 9.43038 NaN 9.392167 22.34355 1974.58333 9.3652 NaN 9.323652 23.55283 1974.416663 9.31525 NaN 9.271146 24.47955 1974.249997 9.260145 NaN 9.213221 25.5019 1974.08333 9.29848 NaN 9.253518 24.79068 1973.916663 9.367775 NaN 9.326358 23.50505 1973.749997 9.37505 NaN 9.334006 23.37008 1973.58333 9.354715 NaN 9.31263 23.74735 1973.416663 9.322955 NaN 9.279245 24.3366 1973.249997 9.2845 NaN 9.238822 25.05005 1973.08333 9.3117 NaN 9.267414 24.54541 1972.916663 9.376375 NaN 9.335398 23.3455 1972.749997 9.39319 NaN 9.353074 23.03353 1972.58333 9.3619 NaN 9.320183 23.61405 1972.416663 9.31745 NaN 9.273458 24.43873 1972.249997 9.309835 NaN 9.265454 24.58001 1972.08333 9.406725 NaN 9.367301 22.78242 1971.916663 9.36731 NaN 9.32587 23.51368 1971.749997 9.28087 NaN 9.235007 25.11739 1971.58333 9.3206 NaN 9.27677 24.38029 1971.416663 9.297265 NaN 9.252241 24.81322 1971.249997 9.244495 NaN 9.19677 25.79226 1971.08333 9.345205 NaN 9.302633 23.92379 1970.916663 9.37537 NaN 9.334342 23.36414 1970.749997 9.315875 NaN 9.271803 24.46795 1970.58333 9.363045 NaN 9.321386 23.59281 1970.416663 9.27378 NaN 9.227554 25.24894 1970.249997 9.220905 NaN 9.171973 26.22992 1970.08333 9.247395 NaN 9.199819 25.73845 1969.916663 9.22576 NaN 9.177077 26.13985 1969.749997 9.436635 NaN 9.398742 22.2275 1969.58333 9.454045 NaN 9.417043 21.90449 1969.416663 9.329595 NaN 9.286225 24.2134 1969.249997 9.220315 NaN 9.171353 26.24087 1969.08333 9.271725 NaN 9.225394 25.28706 1968.916663 9.284855 NaN 9.239196 25.04346 1968.749997 9.416595 NaN 9.377676 22.5993 1968.58333 9.42427 NaN 9.385744 22.45691 1968.416663 9.36223 NaN 9.32053 23.60793 1968.249997 9.308685 NaN 9.264245 24.60135 1968.08333 9.277935 NaN 9.231921 25.17185 1967.916663 9.38301 NaN 9.342373 23.2224 1967.749997 9.38576 NaN 9.345264 23.17138 1967.58333 9.354845 NaN 9.312767 23.74494 1967.416663 9.23838 NaN 9.190343 25.90571 1967.249997 9.19149 NaN 9.141053 26.77566 1967.08333 9.30885 NaN 9.264418 24.59828 1966.916663 9.326445 NaN 9.282914 24.27185 1966.749997 9.338065 NaN 9.295128 24.05626 1966.58333 9.298355 NaN 9.253386 24.793 1966.416663 9.18243 NaN 9.13153 26.94374 1966.249997 9.14553 NaN 9.092742 27.62835 1966.08333 9.14861 NaN 9.095979 27.5712 1965.916663 9.21222 NaN 9.162844 26.39105 1965.749997 9.234435 NaN 9.186196 25.9789 1965.58333 9.233025 NaN 9.184714 26.00506 1965.416663 9.160815 NaN 9.108809 27.34477 1965.249997 9.10958 NaN 9.054952 28.29533 1965.08333 9.31717 NaN 9.273164 24.44392 1964.916663 9.451825 NaN 9.414709 21.94568 1964.749997 9.34157 NaN 9.298812 23.99123 1964.58333 9.302985 NaN 9.258253 24.7071 1964.416663 NaN NaN NaN NaN 1964.249997 9.148025 NaN 9.095364 27.58206 1964.08333 9.18198 NaN 9.131057 26.95209 1963.916663 9.40284 NaN 9.363218 22.85449 1963.749997 9.42432 NaN 9.385797 22.45598 1963.58333 9.42128 NaN 9.382601 22.51238 1963.416663 9.33217 NaN 9.288932 24.16563 1963.249997 9.271575 NaN 9.225236 25.28984 1963.08333 9.310675 NaN 9.266337 24.56443 1962.916663 9.385475 NaN 9.344964 23.17667 1962.749997 9.40693 NaN 9.367517 22.77861 1962.58333 9.357115 NaN 9.315153 23.70283 1962.416663 9.30258 NaN 9.257827 24.71461 1962.249997 9.270165 NaN 9.223754 25.316 1962.08333 9.28261 NaN 9.236836 25.08511 1961.916663 9.351715 NaN 9.309477 23.80301 1961.749997 9.40865 NaN 9.369325 22.7467 1961.58333 9.394695 NaN 9.354656 23.00561 1961.416663 9.34517 NaN 9.302597 23.92444 1961.249997 9.3032 NaN 9.258479 24.70311 1961.08333 9.290585 NaN 9.245219 24.93715 1960.916663 9.293685 NaN 9.248477 24.87964 1960.749997 9.3157 NaN 9.271619 24.4712 1960.58333 9.32502 NaN 9.281416 24.29828 1960.416663 9.28707 NaN 9.241524 25.00237 1960.249997 9.26858 NaN 9.222088 25.34541 1960.08333 9.253695 NaN 9.206441 25.62157 1959.916663 9.32292 NaN 9.279208 24.33724 1959.749997 9.39301 NaN 9.352885 23.03687 1959.58333 9.32857 NaN 9.285147 24.23242 1959.416663 9.25672 NaN 9.209621 25.56545 1959.249997 9.209965 NaN 9.160474 26.43289 1959.08333 9.208955 NaN 9.159412 26.45163 1958.916663 9.34115 NaN 9.298371 23.99902 1958.749997 9.42943 NaN 9.391168 22.36117 1958.58333 9.364895 NaN 9.323331 23.55849 1958.416663 9.28132 NaN 9.23548 25.10905 1958.249997 9.20597 NaN 9.156274 26.50701 1958.08333 9.22806 NaN 9.179495 26.09717 1957.916663 9.246405 NaN 9.198778 25.75682 1957.749997 9.38106 NaN 9.340323 23.25858 1957.58333 9.5079 NaN 9.473653 20.90532 1957.416663 9.39627 NaN 9.356311 22.97639 1957.249997 9.33921 NaN 9.296332 24.03502 1957.08333 9.346945 NaN 9.304463 23.89151 1956.916663 9.424045 NaN 9.385508 22.46108 1956.749997 9.482235 NaN 9.446675 21.38149 1956.58333 9.54136 NaN 9.508825 20.28454 1956.416663 9.477195 NaN 9.441377 21.47499 1956.249997 9.452145 NaN 9.415045 21.93974 1956.08333 9.46407 NaN 9.42758 21.7185 1955.916663 9.498295 NaN 9.463557 21.08353 1955.749997 9.44993 NaN 9.412717 21.98084 1955.58333 9.34881 NaN 9.306423 23.85691 1955.416663 9.289145 NaN 9.243705 24.96387 1955.249997 9.262945 NaN 9.216164 25.44996 1955.08333 9.24741 NaN 9.199835 25.73818 1954.916663 9.25696 NaN 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NaN 9.153741 26.55172 1946.749997 9.239685 NaN 9.191714 25.8815 1946.58333 9.28129 NaN 9.235448 25.1096 1946.416663 9.278515 NaN 9.232531 25.16109 1946.249997 9.20462 NaN 9.154855 26.53206 1946.08333 9.28414 NaN 9.238444 25.05673 1945.916663 9.395545 NaN 9.355549 22.98984 1945.749997 9.407785 NaN 9.368416 22.76275 1945.58333 9.371765 NaN 9.330552 23.43103 1945.416663 9.28249 NaN 9.23671 25.08734 1945.249997 9.221725 NaN 9.172835 26.21471 1945.08333 9.246235 NaN 9.198599 25.75998 1944.916663 9.423655 NaN 9.385098 22.46832 1944.749997 9.385555 NaN 9.345048 23.17518 1944.58333 9.36753 NaN 9.326101 23.5096 1944.416663 9.27576 NaN 9.229635 25.2122 1944.249997 9.262005 NaN 9.215176 25.4674 1944.08333 9.20747 NaN 9.157851 26.47918 1943.916663 9.264745 NaN 9.218057 25.41656 1943.749997 9.28892 NaN 9.243469 24.96804 1943.58333 9.275995 NaN 9.229882 25.20784 1943.416663 9.243645 NaN 9.195877 25.80803 1943.249997 9.21131 NaN 9.161887 26.40794 1943.08333 9.234215 NaN 9.185964 25.98298 1942.916663 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