Chronology file name : MEX125.CRN Measurement file name : MEX125.RWL Date checked : 16JAN25 Checked by : NOAA-Paleoclimatology Beginning year : 1885 Ending year : 2011 Principal investigators: Kaib Bradley Site name : Niños Heroes Site location : Mexico Species information : PIO Latitude : 0M 16 Longitude : 25 -94 Elevation : 868. Series intercorrelation: 0.534 Avg mean sensitivity : 0.379 Avg standard deviation : 1.203 Avg autocorrelation : 0.684 Number dated series : 23 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 2.27 PART 5: CORRELATION OF SERIES BY SEGMENTS: MEX125 21:57 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 1875 1900 1925 1950 1975 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 SMC01A 1950 2010 .51 .66 2 SMC05A 1970 2010 .71 3 SMC06A 1980 2010 .62 4 SMC07A 1953 2010 .56 .56 5 SMC08A 1980 2010 .43 6 SMC09A 1960 2008 .32A 7 SMC11A 1947 2010 .51 .40 .41 8 SMC12A 1966 2010 .38 9 SMC14A 1930 2010 .43 .52 .55 10 SMC19A 1910 1968 .84 .77 11 SMC20A 1910 1974 .85 .71 12 SMC22A 1930 1980 .60 .58 13 SMC30A 1970 2010 .41 14 SMC31A 1950 2010 .60 .64 15 SMC32A 1980 2010 .62 16 SMC33A 1950 2011 .60 .65 17 SMC33B 1950 2011 .60 .65 18 SMC34A 1910 1974 .70 .59 19 SMC35A 1885 1928 .51 20 SMC36A 1885 1958 .74 .74 .68 21 SMC38B 1910 1978 .76 .56 .44 22 SMC40A 1930 2011 .43 .51 .53 23 SMC45A 1910 1983 .82 .70 .54 Av segment correlation .63 .78 .60 .51 .58 PART 7: DESCRIPTIVE STATISTICS: MEX125 21:57 Thu 16 Jan 2025 Page 6 ------------------------------------------------------------------------------------------------------------------------------------ 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 SMC01A 1950 2010 61 2 0 .489 .93 2.28 .552 .702 .372 2.58 .453 -.034 2 2 SMC05A 1970 2010 41 1 0 .715 1.08 2.28 .600 .717 .369 2.57 .455 -.042 2 3 SMC06A 1980 2010 31 1 0 .623 .68 1.44 .269 .087 .453 2.60 .603 -.093 1 4 SMC07A 1953 2010 58 2 0 .541 3.21 10.49 2.445 .788 .379 2.79 .575 .024 1 5 SMC08A 1980 2010 31 1 0 .428 2.73 6.67 1.430 .410 .419 2.96 .767 .010 1 6 SMC09A 1960 2008 49 1 1 .317 3.59 8.30 1.860 .496 .394 2.59 .475 .020 1 7 SMC11A 1947 2010 64 3 0 .389 .60 3.53 .602 .550 .550 2.95 .468 .010 1 8 SMC12A 1966 2010 45 1 0 .249 6.65 13.24 3.196 .648 .355 2.42 .434 .070 1 9 SMC14A 1930 2010 81 3 0 .467 2.06 6.97 1.739 .791 .401 2.59 .468 -.029 2 10 SMC19A 1910 1968 59 2 0 .735 1.63 4.19 .963 .778 .366 2.75 .620 -.012 1 11 SMC20A 1910 1974 65 2 0 .742 1.58 4.12 .950 .765 .370 2.72 .623 .002 1 12 SMC22A 1930 1980 51 2 0 .592 1.05 3.67 .807 .795 .419 2.68 .501 .089 2 13 SMC30A 1970 2010 41 1 0 .251 6.40 13.24 3.185 .633 .375 2.39 .430 .087 1 14 SMC31A 1950 2010 61 2 0 .561 1.55 3.55 .892 .834 .313 2.58 .434 .009 1 15 SMC32A 1980 2010 31 1 0 .623 .68 1.44 .269 .087 .453 2.60 .603 -.093 1 16 SMC33A 1950 2011 62 2 0 .560 1.53 3.55 .895 .838 .309 2.58 .432 .004 1 17 SMC33B 1950 2011 62 2 0 .560 1.53 3.55 .895 .838 .309 2.58 .432 .004 1 18 SMC34A 1910 1974 65 2 0 .615 1.47 3.06 .696 .565 .356 2.57 .424 -.012 1 19 SMC35A 1885 1928 44 1 0 .407 1.91 4.73 1.158 .804 .331 2.40 .407 -.041 1 20 SMC36A 1885 1958 74 3 0 .663 2.46 4.60 1.032 .693 .283 2.74 .630 .125 1 21 SMC38B 1910 1978 69 3 0 .467 1.38 3.31 .669 .504 .387 2.69 .476 -.011 2 22 SMC40A 1930 2011 82 3 0 .458 2.04 6.97 1.737 .793 .400 2.58 .454 -.027 2 23 SMC45A 1910 1983 74 3 0 .689 1.35 4.05 .975 .832 .417 2.81 .596 -.029 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1301 44 1 .534 2.01 13.24 1.203 .684 .379 2.96 .506 .004