Chronology file name : MEX132.CRN Measurement file name : MEX132.RWL Date checked : 16JAN25 Checked by : NOAA-Paleoclimatology Beginning year : 1478 Ending year : 2013 Principal investigators: Cerano-Paredes Vázquez-Selem Cervantes-MartÃnez Villanueva-DÃaz Franco-Ramos Esquivel-Arriaga Site name : Cofre de Perote, Veracruz (COH) Site location : Mexico Species information : PIHR MEXICAN MOUNTAIN PINE Latitude : 320.0M Longitude : 1709 Elevation : pine3 Series intercorrelation: 0.443 Avg mean sensitivity : 0.259 Avg standard deviation : 0.598 Avg autocorrelation : 0.834 Number dated series : 60 Segment length tested : 50 Number problem segments: 111 Pct problem segments : 21.10 PART 5: CORRELATION OF SERIES BY SEGMENTS: MEX132 22:06 Thu 16 Jan 2025 Page 5 ------------------------------------------------------------------------------------------------------------------------------------ Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 COH01B 1690 1810 .48 .37 .25A .41B .44B 2 COH01A 1676 1779 .37 .42 .34 .30A 3 COH03A 1932 2012 .45 .54 4 COH03B 1926 2012 .48 .45 5 COH04A 1625 1830 .30B .35 .36 .45 .45 .55 .42 .41 6 COH04B 1587 2013 .33 .45 .47 .51 .56 .47 .17A .34B .50 .53 .53 .53 .70 .38 .35 .27A 7 COH04C 1641 1940 .38 .32A .42 .52 .40 .44 .40 .32B .64 .31A .29A .35 8 COH05A 1616 2012 .60 .63 .46 .66 .48 .14B .45 .66 .52 .33 .40 .48 .54 .63 .64 9 COH05B 1614 2012 .54 .57 .46 .47 .39 .36 .60 .58 .33 .33A .54 .61 .64 .59 .61 10 COH06A 1850 2013 .35 .49 .48 .59 .60 11 COH06B 1850 1960 .42 .57 .45 .20B 12 COH10 1841 2013 .52 .62 .42 .36 .60 .70 13 COH18 1850 2013 .18B .33 .45 .75 .77 14 COH25A 1628 2012 .24B .35 .44 .46 .22A .48 .65 .52 .37B .43 .52 .54 .60 .70 15 COH25B 1657 1830 .53 .31B .26B .25B .25B .38 .33 16 COH25C 1658 1858 .47 .40 .38 .35 .35 .44 .51 .43 17 COH35A 1802 1950 .64 .54 .45 .53 .45 .43 18 COH35B 1714 1950 .53 .47 .49 .45 .33 .40 .53 .60 .29A .29A 19 COH35C 1744 1950 .26A .43 .46 .33 .39 .49 .47 .24A .23A 20 COH40A 1478 1820 .78 .76 .66 .54 .64 .66 .50 .55 .68 .71 .42 .57 .67 21 COH40B 1482 1840 .78 .73 .57 .44 .56 .62 .48 .41 .52 .61 .45 .49 .50 .33 22 COH40C 1545 2013 .59 .58 .39 .47 .54 .46 .48 .50 .35 .57 .57 .46 .53 .49 .58 .40B .05B .28A 23 COH41A 1550 1760 .44 .14B .10B .41 .57 .54 .45 .52 24 COH41B 1532 1735 .25A .22A .07B .24A .38 .46 .49 .42 25 COH44A 1743 1950 .46 .47 .67 .45 .31A .39 .57 .41 .43 26 COH44B 1681 1950 .54 .63 .38 .45 .57 .49 .33A .37 .53 .58 .61 27 COH45C 1681 1800 .62 .58 .28A .64 .64 28 COH45D 1675 1770 .52 .35 .14B 29 COH50A 1774 2013 .46 .46 .54 .56 .00B .00A .00A .62 .54 30 COH50B 1766 2013 .44 .45 .37 .17B .00A .00A .00A .55 .60 31 COH55B 1875 2013 .41 .37 .37 .52 32 COH56B 1900 2013 .50 .63 .56 33 COH58A 1613 1990 .50 .53 .30A .30A .40B .42 .35 .50 .51 .35 .23B .34 .45 .54 .72 34 COH58B 1631 1990 .42 .35B .32A .56 .57 .41 .44 .39 .24B .10B .28A .50 .58 .79 35 COH61A 1757 1800 .41 36 COH61B 1748 2013 .58 .51 .50 .34B .36 .38 .30A .30A .44 .53 37 COHF03 1816 2012 .32A .20B .33B .45 .44 .37 .47 38 COHF04 1779 1900 .56 .40 .41 .27A .30A 39 COHF07 1809 2012 .43 .45 .65 .56 .49 .51 .67 40 COHF08 1836 2013 .41 .38 .51 .45 .58 .80 41 COHF12 1806 2013 .44 .34 .40 .49 .36 .32A .62 42 COHF14 1814 2012 .42 .35 .48 .57 .62 .63 .62 43 COHF10 1654 1854 .28A .46 .42 .42 .62 .58 .37 .42 44 COHF11 1600 2013 .43 .47 .23A .36 .46 .34 .41 .51 .46 .38 .36 .35B .30A .37 .61 45 COHF18 1789 2012 .30B .37 .44 .48 .45 .45 .62 .74 46 COHF35 1690 2013 .52 .56 .32A .50 .59 .48 .43 .52 .66 .62 .68 .61 47 COH37A 1690 1750 .45 .38 .36 48 COH37B 1680 1750 .29A .31A .32A 49 COHF39 1792 2013 .40B .42 .30A .38 .54 .44 .53 .59 50 COHF42 1850 2013 .21A .67 .68 .54 .77 51 COHF44 1643 2013 .20B .31B .45 .39 .07B .33A .48 .26A .07B .38 .61 .62 .67 .79 52 COPF87 1890 2013 .17B .24A .67 .52 53 COPF98 1801 2013 .18B .30A .20A .23B .38 .38 .51 54 COHFSD 1683 1808 .42 .45 .33 .45 .45 55 COHSN 1780 2013 .36 .51 .42 .42 .41 .40 .48 .51 56 COP13A 1618 1750 .45 .48 .42 .50 .43 .43 57 COP13B 1603 1838 .41 .53 .42 .31A .20A .03B .17A .28A .23A 58 COP13C 1631 2010 .30B .35 .39 .44 .16B .16A .39 .57 .50 .41 .61 .63 .52 .62 59 COP13D 1572 1990 .31A .26B .43 .44 .41 .45 .45 .17B .16A .30A .39 .30A .27A .42 .54 .43 .50 60 COP16C 1550 1650 .24B .42 .31A .31A Av segment correlation .78 .74 .52 .39 .35 .44 .43 .41 .45 .45 .33 .43 .49 .41 .38 .37 .45 .43 .50 .60 PART 5: CORRELATION OF SERIES BY SEGMENTS: MEX132 22:06 Thu 16 Jan 2025 Page 6 ------------------------------------------------------------------------------------------------------------------------------------ Correlations of 50-year dated segments, lagged 25 years Flags: A = correlation under .3281 but highest as dated; B = correlation higher at other than dated position Seq Series Time_span 1975 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 3 COH03A 1932 2012 .57 4 COH03B 1926 2012 .41 6 COH04B 1587 2013 .23A 8 COH05A 1616 2012 .59 9 COH05B 1614 2012 .60 10 COH06A 1850 2013 .63 12 COH10 1841 2013 .61 13 COH18 1850 2013 .76 14 COH25A 1628 2012 .69 22 COH40C 1545 2013 .10B 29 COH50A 1774 2013 .55 30 COH50B 1766 2013 .63 31 COH55B 1875 2013 .47 32 COH56B 1900 2013 .59 36 COH61B 1748 2013 .57 37 COHF03 1816 2012 .46 39 COHF07 1809 2012 .63 40 COHF08 1836 2013 .74 41 COHF12 1806 2013 .68 42 COHF14 1814 2012 .58 44 COHF11 1600 2013 .65 45 COHF18 1789 2012 .78 46 COHF35 1690 2013 .62 49 COHF39 1792 2013 .55 50 COHF42 1850 2013 .73 51 COHF44 1643 2013 .74 52 COPF87 1890 2013 .45 53 COPF98 1801 2013 .50 55 COHSN 1780 2013 .55 58 COP13C 1631 2010 .62 Av segment correlation .58 PART 7: DESCRIPTIVE STATISTICS: MEX132 22:06 Thu 16 Jan 2025 Page 9 ------------------------------------------------------------------------------------------------------------------------------------ Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 COH01B 1690 1810 121 5 3 .427 1.19 4.16 .738 .933 .173 2.78 .527 .059 1 2 COH01A 1676 1779 104 4 1 .315 1.82 5.05 .904 .870 .203 2.63 .371 -.045 2 3 COH03A 1932 2012 81 3 0 .468 1.26 2.74 .548 .790 .227 2.51 .415 .018 1 4 COH03B 1926 2012 87 3 0 .393 1.29 2.58 .530 .772 .213 2.46 .343 -.034 1 5 COH04A 1625 1830 206 8 1 .365 .67 2.14 .472 .914 .253 2.53 .275 -.005 2 6 COH04B 1587 2013 427 17 4 .411 .72 3.45 .520 .889 .271 2.50 .265 -.033 2 7 COH04C 1641 1940 300 12 4 .396 .73 1.91 .371 .873 .234 2.82 .463 .040 2 8 COH05A 1616 2012 397 16 1 .513 .70 2.41 .381 .877 .225 2.44 .294 -.011 3 9 COH05B 1614 2012 399 16 1 .526 .60 2.37 .420 .936 .204 2.66 .353 .027 1 10 COH06A 1850 2013 164 6 0 .492 1.09 3.12 .613 .834 .299 2.58 .385 -.013 1 11 COH06B 1850 1960 111 4 1 .342 1.23 3.08 .753 .900 .263 2.54 .427 -.003 1 12 COH10 1841 2013 173 7 0 .523 1.55 4.63 .919 .867 .265 2.49 .349 -.011 1 13 COH18 1850 2013 164 6 1 .555 1.06 2.47 .420 .781 .232 2.62 .452 -.033 3 14 COH25A 1628 2012 385 15 3 .504 .68 2.60 .467 .893 .245 2.51 .300 .012 1 15 COH25B 1657 1830 174 7 4 .352 .91 2.20 .523 .883 .260 2.78 .451 -.012 2 16 COH25C 1658 1858 201 8 0 .391 1.01 2.78 .536 .867 .231 2.64 .320 .013 2 17 COH35A 1802 1950 149 6 0 .500 .61 1.43 .277 .730 .329 2.59 .399 -.048 1 18 COH35B 1714 1950 237 10 2 .401 .49 1.08 .181 .665 .272 2.53 .338 .027 1 19 COH35C 1744 1950 207 9 3 .328 .91 90.96 6.293 -.002 .327 3.20 .367 -.082 1 20 COH40A 1478 1820 343 13 0 .604 .60 2.89 .490 .897 .331 2.54 .375 -.004 1 21 COH40B 1482 1840 359 14 0 .526 .61 3.21 .524 .898 .343 2.47 .298 -.028 2 22 COH40C 1545 2013 469 19 4 .395 .50 2.45 .445 .925 .281 2.55 .300 -.029 1 23 COH41A 1550 1760 211 8 2 .355 .76 2.64 .673 .964 .259 2.45 .295 -.019 3 24 COH41B 1532 1735 204 8 4 .293 .97 4.05 .872 .963 .233 2.78 .471 .076 1 25 COH44A 1743 1950 208 9 1 .434 .84 2.40 .487 .822 .336 2.56 .393 .002 1 26 COH44B 1681 1950 270 11 1 .464 .57 1.97 .321 .786 .324 2.53 .324 -.005 1 27 COH45C 1681 1800 120 5 1 .589 .84 1.98 .464 .831 .252 2.48 .452 -.021 3 28 COH45D 1675 1770 96 3 1 .313 1.01 1.93 .369 .788 .197 2.53 .425 -.013 3 29 COH50A 1774 2013 240 10 3 .371 .64 3.53 .805 .956 .158 2.52 .272 -.042 1 30 COH50B 1766 2013 248 10 4 .352 .57 2.91 .736 .950 .152 2.52 .278 -.005 1 31 COH55B 1875 2013 139 5 0 .406 .95 2.28 .341 .644 .215 2.76 .397 -.026 1 32 COH56B 1900 2013 114 4 0 .471 .40 .79 .184 .483 .453 2.58 .453 .037 1 33 COH58A 1613 1990 378 15 4 .451 .86 2.13 .349 .803 .207 2.44 .278 -.048 2 34 COH58B 1631 1990 360 14 5 .477 .80 1.70 .324 .774 .222 2.72 .372 -.028 2 35 COH61A 1757 1800 44 1 0 .414 1.60 3.26 .642 .646 .232 2.56 .472 -.064 2 36 COH61B 1748 2013 266 11 3 .452 .68 2.62 .605 .888 .322 2.67 .383 -.049 3 37 COHF03 1816 2012 197 8 3 .363 .92 3.85 .642 .862 .296 2.72 .431 -.018 3 38 COHF04 1779 1900 122 5 2 .423 1.23 3.61 .696 .880 .245 2.59 .426 -.014 4 39 COHF07 1809 2012 204 8 0 .566 1.25 2.88 .443 .751 .216 2.38 .263 -.036 2 40 COHF08 1836 2013 178 7 0 .561 1.47 7.10 1.207 .872 .310 2.60 .454 -.004 4 41 COHF12 1806 2013 208 8 1 .497 .81 1.82 .352 .832 .197 2.49 .309 -.024 2 42 COHF14 1814 2012 199 8 0 .528 1.14 3.29 .564 .849 .200 2.50 .331 -.050 1 43 COHF10 1654 1854 201 8 1 .424 .74 1.52 .281 .731 .222 2.65 .391 .005 1 44 COHF11 1600 2013 414 16 3 .408 .61 2.66 .421 .860 .311 2.50 .280 .018 1 45 COHF18 1789 2012 224 9 1 .520 .98 2.63 .458 .846 .223 2.54 .334 -.006 2 46 COHF35 1690 2013 324 13 1 .552 .88 2.91 .560 .907 .257 2.55 .313 -.019 1 47 COH37A 1690 1750 61 3 0 .384 .85 1.82 .392 .587 .365 2.53 .598 -.052 1 48 COH37B 1680 1750 71 3 3 .250 1.04 2.21 .403 .631 .284 2.70 .495 -.058 1 PART 7: DESCRIPTIVE STATISTICS: MEX132 22:06 Thu 16 Jan 2025 Page 10 ------------------------------------------------------------------------------------------------------------------------------------ Corr //-------- Unfiltered --------\\ //---- Filtered -----\\ No. No. No. with Mean Max Std Auto Mean Max Std Auto AR Seq Series Interval Years Segmt Flags Master msmt msmt dev corr sens value dev corr () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 COHF39 1792 2013 222 9 2 .468 .82 2.70 .523 .866 .305 2.58 .367 -.033 1 50 COHF42 1850 2013 164 6 1 .602 1.11 2.90 .559 .810 .246 2.57 .364 -.029 1 51 COHF44 1643 2013 371 15 6 .448 .72 4.12 .516 .812 .348 2.89 .431 -.003 1 52 COPF87 1890 2013 124 5 2 .405 .75 2.77 .607 .941 .240 2.43 .312 -.068 1 53 COPF98 1801 2013 213 8 4 .331 1.34 4.06 .761 .864 .237 2.61 .361 .015 2 54 COHFSD 1683 1808 126 5 0 .438 1.01 1.90 .347 .501 .287 2.50 .355 -.016 1 55 COHSN 1780 2013 234 9 0 .439 .89 2.02 .385 .864 .188 2.60 .388 -.005 1 56 COP13A 1618 1750 133 6 0 .419 .81 2.02 .451 .769 .338 2.53 .398 -.059 1 57 COP13B 1603 1838 236 9 6 .292 .89 2.38 .492 .766 .303 2.48 .318 -.041 1 58 COP13C 1631 2010 380 15 3 .452 .80 2.62 .473 .874 .218 2.50 .291 -.013 1 59 COP13D 1572 1990 419 17 7 .379 .78 3.42 .507 .900 .228 2.46 .281 -.025 1 60 COP16C 1550 1650 101 4 3 .277 1.67 3.92 .846 .861 .235 2.46 .434 -.040 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 13282 526 111 .443 .84 90.96 .598 .834 .259 3.20 .350 -.014