Chronology file name : MEX137.CRN
Measurement file name : MEX137.RWL
Date checked : 16JAN25
Checked by : NOAA-Paleoclimatology
Beginning year : 1844
Ending year : 2020
Principal investigators: DÃaz-Carrillo Villanueva-DÃaz
Site name : La Marta, Coahuila (LMA)
Site location : Mexico
Species information : PIMX PICEA MEXICANA
Latitude : .0M 2
Longitude : 512-10
Elevation : 3492
Series intercorrelation: 0.766
Avg mean sensitivity : 0.313
Avg standard deviation : 0.095
Avg autocorrelation : 0.727
Number dated series : 49
Segment length tested : 50
Number problem segments: 6
Pct problem segments : 3.11
PART 5: CORRELATION OF SERIES BY SEGMENTS: MEX137 22:07 Thu 16 Jan 2025 Page 5
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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 1850 1875 1900 1925 1950 1975
1899 1924 1949 1974 1999 2024
--- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
1 LMA01A 1960 2020 .74 .83
2 LMA01B 1933 2020 .68 .80 .76
3 LMA02A 1964 2020 .67 .69
4 LMA02B 1961 2020 .77 .73
5 LMA03A 1997 2020 .79
6 LMA03B 1994 2020 .78
7 LMA04A 1907 2020 .83 .85 .81 .90
8 LMA04B 1907 2020 .82 .84 .91 .89
9 LMA05A 1925 2020 .76 .79 .85
10 LMA05B 1922 2020 .81 .82 .85 .88
11 LMA05C 1916 2020 .74 .83 .91 .88
12 LMA06 1942 2020 .25B .38 .81
13 LMA06B 1952 2020 .74 .87
14 LMA07B 1844 2020 -.11B .18B .68 .83 .78 .79
15 LMA07A 1851 2020 .20B .75 .87 .86 .74 .70
16 LMA08A 1883 2020 .83 .87 .87 .93 .92
17 LMA08B 1873 2020 .47 .51 .93 .94 .90 .83
18 LMA08C 1878 2020 .87 .89 .92 .95 .92
19 LMA09A 1907 2020 .89 .90 .90 .86
20 LMA09B 1907 2020 .89 .93 .80 .71
21 LMA10A 1919 2020 .80 .82 .86 .89
22 LMA10B 1916 1999 .58 .58 .34
23 LMA11A 1872 1930 .70 .70 .80
24 LMA11B 1872 1930 .55 .58 .65
25 LMA13A 1912 2020 .85 .86 .93 .90
26 LMA13B 1910 2020 .85 .86 .89 .89
27 LMA14A 1890 2020 .89 .92 .93 .80 .59
28 LMA14B 1889 2020 .87 .91 .89 .82 .83
29 LMA15B 1913 2020 .86 .88 .85 .89
30 LMA15A 1936 2020 .82 .87 .33B
31 LMA16A 1940 2020 .87 .87 .76
32 LMA16B 1877 2020 .48 .61 .68 .72 .71
33 LMA16C 1891 2020 .41 .56 .85 .88 .84
34 LMA17A 1891 2020 .86 .86 .93 .94 .90
35 LMA17B 1892 2020 .76 .84 .89 .91 .88
36 LMA18A 1878 1920 -.07B
37 LMA18B 1880 2020 .52 .79 .85 .87 .81
38 LMA19A 1884 2020 .80 .82 .78 .74 .86
39 LMA19B 1884 2020 .77 .82 .85 .80 .80
40 LMA20A 1881 2020 .81 .82 .84 .70 .67
41 LMA20B 1876 2020 .70 .73 .82 .87 .48
42 LMA21A 1890 2020 .80 .87 .90 .88 .76
43 LMA21B 1909 1967 .63 .59
44 LMA23A 1893 2000 .73 .74 .78 .77 .74
45 LMA23B 1880 2020 .79 .91 .91 .87 .84
46 LMA24A 1879 2020 .84 .85 .83 .72 .78
47 LMA24B 1876 2020 .81 .84 .85 .87 .90
48 LMA25A 1906 2020 .85 .91 .89 .90
49 LMA25B 1900 2020 .80 .88 .89 .93
Av segment correlation .36 .67 .81 .82 .81 .80
PART 7: DESCRIPTIVE STATISTICS: MEX137 22:07 Thu 16 Jan 2025 Page 6
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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 LMA01A 1960 2020 61 2 0 .794 .18 .48 .106 .499 .468 2.77 .587 -.097 1
2 LMA01B 1933 2020 88 3 0 .723 .16 .60 .116 .686 .354 2.57 .448 -.065 1
3 LMA02A 1964 2020 57 2 0 .664 .18 .42 .083 .079 .447 2.50 .449 .025 1
4 LMA02B 1961 2020 60 2 0 .715 .15 .33 .068 .104 .451 2.52 .511 .014 1
5 LMA03A 1997 2020 24 1 0 .788 .25 .38 .082 -.244 .380 2.52 .645 -.197 1
6 LMA03B 1994 2020 27 1 0 .781 .25 .40 .080 -.013 .325 2.43 .568 -.066 1
7 LMA04A 1907 2020 114 4 0 .853 .17 .48 .095 .744 .323 2.76 .430 -.094 2
8 LMA04B 1907 2020 114 4 0 .850 .17 .53 .089 .808 .277 2.48 .409 -.050 1
9 LMA05A 1925 2020 96 3 0 .800 .17 .66 .115 .831 .272 2.52 .317 -.074 1
10 LMA05B 1922 2020 99 4 0 .829 .17 .44 .091 .762 .306 2.33 .312 -.058 1
11 LMA05C 1916 2020 105 4 0 .805 .15 .49 .065 .490 .324 2.56 .498 -.001 1
12 LMA06 1942 2020 79 3 1 .475 .11 .32 .078 .716 .383 2.54 .477 .013 1
13 LMA06B 1952 2020 69 2 0 .788 .13 .47 .086 .630 .370 2.70 .542 -.055 2
14 LMA07B 1844 2020 177 6 2 .447 .15 .52 .105 .862 .291 2.44 .295 -.029 1
15 LMA07A 1851 2020 170 6 1 .690 .15 .45 .120 .940 .313 2.55 .396 -.022 1
16 LMA08A 1883 2020 138 5 0 .888 .17 .76 .125 .821 .347 2.43 .368 -.039 2
17 LMA08B 1873 2020 148 6 0 .785 .16 .47 .102 .766 .352 2.51 .400 -.040 1
18 LMA08C 1878 2020 143 5 0 .896 .15 .61 .091 .746 .341 2.51 .494 -.042 1
19 LMA09A 1907 2020 114 4 0 .879 .09 .20 .043 .641 .329 2.54 .490 -.023 1
20 LMA09B 1907 2020 114 4 0 .822 .10 .35 .046 .578 .320 2.60 .419 -.043 1
21 LMA10A 1919 2020 102 4 0 .845 .16 .32 .061 .462 .337 2.63 .487 -.022 1
22 LMA10B 1916 1999 84 3 0 .432 .24 .76 .159 .751 .381 2.76 .523 .007 1
23 LMA11A 1872 1930 59 3 0 .777 .22 .32 .041 .425 .161 2.59 .574 -.083 1
24 LMA11B 1872 1930 59 3 0 .613 .23 .31 .040 .415 .146 2.47 .428 -.019 1
25 LMA13A 1912 2020 109 4 0 .871 .18 .54 .073 .555 .284 2.42 .342 -.070 1
26 LMA13B 1910 2020 111 4 0 .862 .15 .46 .066 .533 .321 2.42 .382 -.043 1
27 LMA14A 1890 2020 131 5 0 .800 .18 .56 .117 .790 .379 2.51 .415 -.032 2
28 LMA14B 1889 2020 132 5 0 .852 .16 .51 .095 .815 .329 2.51 .367 -.047 1
29 LMA15B 1913 2020 108 4 0 .873 .15 .36 .070 .675 .314 2.50 .475 -.065 2
30 LMA15A 1936 2020 85 3 1 .570 .14 .27 .057 .573 .348 2.36 .373 -.008 2
31 LMA16A 1940 2020 81 3 0 .839 .06 .14 .032 .534 .379 2.59 .485 -.030 1
32 LMA16B 1877 2020 144 5 0 .606 .15 .61 .137 .956 .309 2.54 .410 -.051 1
33 LMA16C 1891 2020 130 5 0 .742 .15 .92 .152 .948 .307 2.60 .433 -.069 1
34 LMA17A 1891 2020 130 5 0 .885 .19 .39 .083 .658 .285 2.53 .519 -.108 1
35 LMA17B 1892 2020 129 5 0 .828 .21 .49 .080 .594 .298 2.59 .512 -.106 1
36 LMA18A 1878 1920 43 1 1 -.073 .32 .95 .163 .890 .175 2.61 .532 .086 1
37 LMA18B 1880 2020 141 5 0 .756 .20 .81 .132 .856 .280 2.39 .346 -.057 1
38 LMA19A 1884 2020 137 5 0 .814 .15 .34 .089 .865 .260 2.50 .438 -.006 1
39 LMA19B 1884 2020 137 5 0 .797 .15 .38 .077 .850 .245 2.55 .471 -.011 1
40 LMA20A 1881 2020 140 5 0 .731 .17 .74 .140 .920 .303 2.57 .419 .045 1
41 LMA20B 1876 2020 145 5 0 .678 .15 .70 .138 .951 .276 2.43 .371 -.016 1
42 LMA21A 1890 2020 131 5 0 .804 .14 .54 .098 .802 .387 2.64 .415 -.009 1
43 LMA21B 1909 1967 59 2 0 .626 .28 .57 .144 .582 .374 2.75 .528 .052 2
44 LMA23A 1893 2000 108 5 0 .729 .12 .33 .071 .779 .316 2.62 .448 -.021 1
45 LMA23B 1880 2020 141 5 0 .847 .13 .35 .073 .783 .323 2.79 .532 -.013 1
46 LMA24A 1879 2020 142 5 0 .797 .16 .38 .081 .800 .260 2.49 .368 -.074 1
47 LMA24B 1876 2020 145 5 0 .837 .19 .43 .074 .697 .235 2.59 .423 -.034 1
48 LMA25A 1906 2020 115 4 0 .866 .19 .47 .118 .866 .285 2.36 .322 -.052 1
PART 7: DESCRIPTIVE STATISTICS: MEX137 22:07 Thu 16 Jan 2025 Page 7
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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 LMA25B 1900 2020 121 4 0 .871 .19 .42 .103 .824 .273 2.58 .404 -.048 1
--- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- --
Total or mean: 5296 193 6 .766 .16 .95 .095 .727 .313 2.79 .429 -.037