NOTE: All statistics reported below describe the raw measurement file, not the chronology itself. This file should be viewed with a non-proportional font. Chronology file name : NONE Measurement file name : IA020.RWL Date checked : 15MAR95 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1654 Ending year : 1980 Principal investigators: DANIEL N. DUVICK Site name : DUVICK BACKWOODS Site location : IOWA, USA Species information : QUAL WHITE OAK Latitude : 4141N Longitude : 9341W Elevation : 275 M Series intercorrelation: 0.757 Avg mean sensitivity : 0.266 Avg standard deviation : 0.731 Avg autocorrelation : 0.626 Number dated series : 88 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.23 Are there obvious misdated series? NO Number possible misdated series : N/A Percent misdated series : 0.00 Comments: #6 645051 1838-1887 HAS LOW CORRELATIONS GREAT SAMPLE DEPTH, EXCELLENT HIGH QUALITY DATA SET 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 14:12 Wed 15 MAR 1995 Page 2 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: __A = correlation under 0.3281 but highest as dated; __B = correlation higher at other than dated position Seq Series Interval 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 1 645011 1850 1980 - - - - - - - - .68 .75 .82 .79 .79 - - - - - - - + 2 645012 1852 1980 - - - - - - - - .68 .78 .81 .83 .81 - - - - - - - + 3 645021 1858 1980 - - - - - - - - .63 .69 .79 .79 .80 - - - - - - - + 4 645041 1860 1980 - - - - - - - - .67 .75 .82 .83 .84 - - - - - - - + 5 645042 1859 1980 - - - - - - - - .58 .73 .90 .85 .86 - - - - - - - + 6 645051 1838 1980 - - - - - - - .23 .54 .68 .73 .70 .71 - - - - - - - + ___B 7 645063 1860 1976 - - - - - - - - .66 .68 .73 .75 .73 - - - - - - - + 8 645065 1869 1976 - - - - - - - - .81 .81 .86 .85 .87 - - - - - - - + 9 645067 1852 1977 - - - - - - - - .61 .63 .73 .79 .78 - - - - - - - + 10 645068 1852 1979 - - - - - - - - .62 .78 .83 .81 .84 - - - - - - - + 11 645102 1883 1976 - - - - - - - - - .83 .87 .85 .84 - - - - - - - + 12 645103 1883 1976 - - - - - - - - - .83 .88 .86 .85 - - - - - - - + 13 645123 1899 1976 - - - - - - - - - .87 .84 .84 .84 - - - - - - - + 14 645124 1885 1976 - - - - - - - - - .79 .87 .92 .89 - - - - - - - + 15 645142 1898 1976 - - - - - - - - - .92 .93 .81 .81 - - - - - - - + 16 645143 1888 1976 - - - - - - - - - .89 .90 .82 .81 - - - - - - - + 17 645161 1893 1976 - - - - - - - - - .82 .75 .76 .75 - - - - - - - + 18 645162 1890 1976 - - - - - - - - - .78 .73 .67 .67 - - - - - - - + 19 645182 1898 1976 - - - - - - - - - .81 .80 .82 .82 - - - - - - - + 20 645183 1891 1976 - - - - - - - - - .81 .72 .78 .77 - - - - - - - + 21 645263 1884 1976 - - - - - - - - - .80 .86 .85 .87 - - - - - - - + 22 645264 1883 1977 - - - - - - - - - .78 .86 .84 .87 - - - - - - - + 23 645271 1866 1976 - - - - - - - - .66 .70 .90 .90 .85 - - - - - - - + 24 645273 1883 1976 - - - - - - - - - .75 .82 .84 .83 - - - - - - - + 25 645281 1887 1976 - - - - - - - - - .85 .86 .81 .80 - - - - - - - + 26 645283 1893 1977 - - - - - - - - - .88 .88 .86 .89 - - - - - - - + 27 645291 1893 1976 - - - - - - - - - .91 .92 .77 .76 - - - - - - - + 28 645293 1882 1976 - - - - - - - - - .72 .82 .90 .91 - - - - - - - + 29 645301 1885 1976 - - - - - - - - - .71 .64 .57 .55 - - - - - - - + 30 645303 1883 1976 - - - - - - - - - .77 .74 .70 .68 - - - - - - - + 31 645342 1892 1977 - - - - - - - - - .89 .91 .87 .87 - - - - - - - + 32 645343 1892 1977 - - - - - - - - - .87 .87 .85 .87 - - - - - - - + 33 645371 1887 1976 - - - - - - - - - .83 .83 .74 .73 - - - - - - - + 34 645372 1888 1976 - - - - - - - - - .83 .87 .80 .76 - - - - - - - + 35 645381 1894 1976 - - - - - - - - - .84 .85 .84 .83 - - - - - - - + 36 645382 1885 1976 - - - - - - - - - .79 .89 .86 .83 - - - - - - - + 37 645392 1900 1977 - - - - - - - - - - .85 .87 .89 - - - - - - - + 38 645393 1900 1977 - - - - - - - - - - .86 .85 .87 - - - - - - - + 39 645401 1883 1976 - - - - - - - - - .85 .87 .79 .78 - - - - - - - + 40 645402 1888 1976 - - - - - - - - - .89 .92 .86 .86 - - - - - - - + 41 645411 1896 1976 - - - - - - - - - .81 .82 .85 .85 - - - - - - - + 42 645412 1863 1976 - - - - - - - - .65 .76 .83 .85 .83 - - - - - - - + 43 645451 1885 1976 - - - - - - - - - .81 .84 .83 .82 - - - - - - - + 44 645452 1883 1976 - - - - - - - - - .83 .86 .90 .87 - - - - - - - + 45 645461 1883 1976 - - - - - - - - - .82 .87 .88 .87 - - - - - - - + 46 645463 1884 1976 - - - - - - - - - .74 .77 .82 .81 - - - - - - - + 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 14:12 Wed 15 MAR 1995 Page 4 ----------------------------------------------------------------------------------------------------------------------------------- Correlations of 50-year dated segments, lagged 25 years Flags: __A = correlation under 0.3281 but highest as dated; __B = correlation higher at other than dated position Seq Series Interval 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 47 645471 1854 1976 - - - - - - - - .56 .70 .84 .84 .84 - - - - - - - + 48 645473 1860 1976 - - - - - - - - .62 .69 .87 .82 .82 - - - - - - - + 49 645501 1890 1976 - - - - - - - - - .86 .88 .90 .84 - - - - - - - + 50 645502 1890 1976 - - - - - - - - - .84 .82 .82 .80 - - - - - - - + 51 645541 1886 1977 - - - - - - - - - .92 .92 .82 .83 - - - - - - - + 52 645542 1885 1977 - - - - - - - - - .88 .89 .84 .86 - - - - - - - + 53 645551 1885 1977 - - - - - - - - - .68 .72 .89 .90 - - - - - - - + 54 645552 1886 1977 - - - - - - - - - .71 .78 .75 .80 - - - - - - - + 55 645562 1863 1977 - - - - - - - - .81 .76 .82 .77 .76 - - - - - - - + 56 645563 1887 1977 - - - - - - - - - .84 .84 .83 .84 - - - - - - - + 57 645571 1883 1977 - - - - - - - - - .74 .80 .79 .80 - - - - - - - + 58 645573 1883 1977 - - - - - - - - - .70 .69 .67 .66 - - - - - - - + 59 645581 1849 1978 - - - - - - - .46 .39 .51 .79 .82 .84 - - - - - - - + 60 645611 1798 1978 - - - - - .63 .63 .63 .70 .56 .66 .71 .75 - - - - - - - + 61 645612 1798 1978 - - - - - .70 .71 .75 .74 .54 .72 .82 .81 - - - - - - - + 62 645613 1780 1978 - - - - - .78 .73 .56 .62 .55 .63 .64 .66 - - - - - - - + 63 645621 1749 1978 - - - .70 .69 .78 .74 .68 .67 .56 .72 .66 .67 - - - - - - - + 64 645622 1754 1978 - - - - .60 .65 .68 .64 .73 .72 .81 .78 .80 - - - - - - - + 65 645623 1757 1978 - - - - .74 .79 .83 .59 .59 .56 .66 .64 .55 - - - - - - - + 66 645631 1868 1978 - - - - - - - - .71 .74 .75 .69 .79 - - - - - - - + 67 645632 1873 1978 - - - - - - - - .63 .68 .83 .71 .73 - - - - - - - + 68 645633 1864 1978 - - - - - - - - .63 .72 .84 .75 .76 - - - - - - - + 69 645641 1673 1978 .74 .75 .77 .88 .70 .73 .68 .58 .69 .67 .74 .70 .68 - - - - - - - + 70 645642 1661 1978 .73 .78 .78 .69 .59 .79 .73 .44 .55 .61 .68 .58 .60 - - - - - - - + 71 645643 1654 1978 .71 .78 .83 .87 .79 .81 .77 .54 .62 .69 .72 .71 .65 - - - - - - - + 72 645651 1797 1978 - - - - - .62 .63 .59 .69 .78 .82 .81 .83 - - - - - - - + 73 645652 1835 1978 - - - - - - - .62 .65 .71 .80 .85 .87 - - - - - - - + 74 645653 1804 1978 - - - - - - .59 .42 .55 .70 .79 .77 .80 - - - - - - - + 75 645661 1888 1980 - - - - - - - - - .85 .83 .79 .77 - - - - - - - + 76 645662 1902 1980 - - - - - - - - - - .78 .79 .79 - - - - - - - + 77 645671 1902 1980 - - - - - - - - - - .80 .77 .81 - - - - - - - + 78 645672 1905 1980 - - - - - - - - - - .74 .79 .83 - - - - - - - + 79 645681 1902 1980 - - - - - - - - - - .76 .76 .78 - - - - - - - + 80 645682 1902 1980 - - - - - - - - - - .84 .70 .75 - - - - - - - + 81 645691 1902 1980 - - - - - - - - - - .85 .78 .82 - - - - - - - + 82 645701 1882 1980 - - - - - - - - - .76 .81 .91 .92 - - - - - - - + 83 645702 1882 1980 - - - - - - - - - .67 .77 .90 .92 - - - - - - - + 84 645711 1882 1980 - - - - - - - - - .74 .73 .79 .84 - - - - - - - + 85 645712 1883 1980 - - - - - - - - - .77 .79 .80 .82 - - - - - - - + 86 645731 1902 1980 - - - - - - - - - - .82 .82 .84 - - - - - - - + 87 645751 1904 1980 - - - - - - - - - - .83 .84 .90 - - - - - - - + 88 645752 1904 1980 - - - - - - - - - - .84 .85 .86 - - - - - - - + 1 PART 7: DESCRIPTIVE STATISTICS: 14:12 Wed 15 MAR 1995 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 645011 1850 1980 131 5 0 0.747 2.14 4.33 0.689 0.555 0.235 1.96 0.337 0.028 2 2 645012 1852 1980 129 5 0 0.761 2.31 4.92 0.771 0.548 0.236 2.10 0.375 0.054 1 3 645021 1858 1980 123 5 0 0.721 2.39 6.23 1.119 0.754 0.270 1.79 0.324 0.010 2 4 645041 1860 1980 121 5 0 0.769 2.52 7.10 1.173 0.603 0.289 2.04 0.333 -0.001 3 5 645042 1859 1980 122 5 0 0.767 2.57 7.28 1.163 0.603 0.297 2.04 0.378 0.014 2 6 645051 1838 1980 143 6 1 0.605 1.75 5.20 1.015 0.853 0.241 2.04 0.388 0.012 1 7 645063 1860 1976 117 5 0 0.701 1.95 3.67 0.598 0.478 0.251 2.10 0.436 0.080 2 8 645065 1869 1976 108 5 0 0.832 2.15 4.57 0.838 0.700 0.248 2.02 0.353 0.036 1 9 645067 1852 1977 126 5 0 0.659 2.16 4.38 0.805 0.685 0.229 1.91 0.298 -0.015 2 10 645068 1852 1979 128 5 0 0.748 2.03 4.47 0.795 0.656 0.264 1.82 0.279 0.012 1 11 645102 1883 1976 94 4 0 0.822 1.83 3.49 0.586 0.512 0.267 2.05 0.419 -0.035 2 12 645103 1883 1976 94 4 0 0.835 1.76 3.75 0.744 0.638 0.287 2.04 0.432 0.000 1 13 645123 1899 1976 78 4 0 0.836 2.11 4.50 0.854 0.406 0.337 1.96 0.356 -0.021 1 14 645124 1885 1976 92 4 0 0.829 2.35 5.30 1.036 0.506 0.344 2.00 0.364 -0.002 1 15 645142 1898 1976 79 4 0 0.831 1.68 3.25 0.559 0.466 0.281 2.09 0.438 -0.005 1 16 645143 1888 1976 89 4 0 0.848 2.20 5.96 1.003 0.627 0.273 2.10 0.451 -0.021 1 17 645161 1893 1976 84 4 0 0.780 2.04 4.08 0.836 0.530 0.324 1.95 0.403 0.014 1 18 645162 1890 1976 87 4 0 0.690 1.75 4.16 0.752 0.573 0.334 2.08 0.476 -0.001 2 19 645182 1898 1976 79 4 0 0.816 2.71 5.48 0.982 0.480 0.317 2.01 0.336 0.001 1 20 645183 1891 1976 86 4 0 0.782 2.36 4.79 0.953 0.434 0.369 2.11 0.453 0.053 1 21 645263 1884 1976 93 4 0 0.825 1.90 4.42 0.724 0.438 0.319 2.05 0.354 0.032 1 22 645264 1883 1977 95 4 0 0.827 1.93 4.16 0.751 0.559 0.310 2.04 0.355 0.017 1 23 645271 1866 1976 111 5 0 0.780 1.60 3.10 0.703 0.639 0.282 2.11 0.431 0.025 1 24 645273 1883 1976 94 4 0 0.767 1.84 3.62 0.647 0.377 0.303 1.97 0.364 0.081 1 25 645281 1887 1976 90 4 0 0.820 2.10 4.13 0.811 0.559 0.294 2.09 0.354 0.019 1 26 645283 1893 1977 85 4 0 0.874 2.09 4.50 0.832 0.614 0.284 1.95 0.367 -0.029 2 27 645291 1893 1976 84 4 0 0.800 2.50 4.35 0.715 0.429 0.244 2.03 0.444 -0.009 1 28 645293 1882 1976 95 4 0 0.807 2.28 5.28 0.994 0.696 0.279 2.02 0.409 -0.007 2 29 645301 1885 1976 92 4 0 0.626 2.11 5.73 1.040 0.524 0.340 2.17 0.447 0.025 2 30 645303 1883 1976 94 4 0 0.719 2.25 6.33 1.086 0.459 0.362 2.09 0.460 0.116 1 31 645342 1892 1977 86 4 0 0.872 3.12 8.28 1.738 0.735 0.328 2.05 0.429 0.030 1 32 645343 1892 1977 86 4 0 0.863 2.77 7.42 1.738 0.740 0.334 2.05 0.471 0.025 1 33 645371 1887 1976 90 4 0 0.775 2.17 4.88 0.983 0.722 0.269 2.01 0.478 -0.018 2 34 645372 1888 1976 89 4 0 0.781 1.70 4.04 0.807 0.800 0.255 1.90 0.387 -0.011 1 35 645381 1894 1976 83 4 0 0.827 2.16 5.73 1.154 0.710 0.319 1.98 0.412 -0.004 1 36 645382 1885 1976 92 4 0 0.798 2.30 5.36 1.031 0.613 0.317 2.04 0.483 -0.025 1 37 645392 1900 1977 78 3 0 0.883 2.40 6.24 1.155 0.764 0.285 2.00 0.387 0.051 1 38 645393 1900 1977 78 3 0 0.866 2.29 7.70 1.281 0.747 0.318 2.04 0.405 0.019 1 39 645401 1883 1976 94 4 0 0.817 1.60 3.58 0.714 0.709 0.278 2.05 0.400 -0.002 1 40 645402 1888 1976 89 4 0 0.863 2.23 6.97 1.417 0.804 0.280 1.99 0.390 0.003 1 41 645411 1896 1976 81 4 0 0.835 2.65 7.21 1.439 0.622 0.305 1.85 0.332 -0.008 1 42 645412 1863 1976 114 5 0 0.765 2.24 6.98 1.319 0.689 0.325 1.92 0.307 -0.020 1 43 645451 1885 1976 92 4 0 0.810 1.75 4.91 0.943 0.704 0.304 2.12 0.471 0.062 1 44 645452 1883 1976 94 4 0 0.851 1.88 5.53 1.018 0.744 0.287 2.25 0.435 0.017 1 45 645461 1883 1976 94 4 0 0.847 2.29 3.91 0.800 0.552 0.270 1.89 0.347 0.051 1 46 645463 1884 1976 93 4 0 0.782 2.31 4.51 0.812 0.531 0.272 1.91 0.370 0.064 2 47 645471 1854 1976 123 5 0 0.738 1.41 4.84 0.757 0.768 0.264 2.16 0.339 -0.012 2 48 645473 1860 1976 117 5 0 0.751 1.78 4.97 0.993 0.806 0.262 2.08 0.373 -0.007 2 1 PART 7: DESCRIPTIVE STATISTICS: 14:12 Wed 15 MAR 1995 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- 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 645501 1890 1976 87 4 0 0.831 2.65 4.98 0.934 0.528 0.283 2.08 0.466 -0.003 1 50 645502 1890 1976 87 4 0 0.814 2.40 4.66 0.947 0.470 0.333 2.09 0.432 0.017 1 51 645541 1886 1977 92 4 0 0.857 2.26 4.61 0.891 0.515 0.326 1.86 0.303 0.011 1 52 645542 1885 1977 93 4 0 0.858 2.13 4.60 0.952 0.646 0.308 2.04 0.374 0.015 1 53 645551 1885 1977 93 4 0 0.764 2.35 6.01 0.830 0.634 0.216 2.07 0.364 -0.014 1 54 645552 1886 1977 92 4 0 0.732 2.87 4.77 0.937 0.680 0.230 2.05 0.466 -0.040 2 55 645562 1863 1977 115 5 0 0.768 1.13 3.51 0.509 0.655 0.249 2.01 0.396 -0.024 1 56 645563 1887 1977 91 4 0 0.831 1.19 3.08 0.492 0.575 0.273 2.03 0.393 0.028 2 57 645571 1883 1977 95 4 0 0.756 1.79 3.01 0.497 0.271 0.270 2.02 0.353 0.060 2 58 645573 1883 1977 95 4 0 0.652 2.09 4.70 0.806 0.570 0.293 2.06 0.371 0.053 1 59 645581 1849 1978 130 6 0 0.670 1.75 6.81 1.171 0.734 0.352 2.15 0.457 0.008 2 60 645611 1798 1978 181 8 0 0.676 0.88 1.97 0.359 0.726 0.221 1.99 0.330 -0.018 2 61 645612 1798 1978 181 8 0 0.715 0.89 1.62 0.276 0.680 0.199 1.90 0.324 -0.028 2 62 645613 1780 1978 199 8 0 0.650 0.86 1.90 0.306 0.741 0.198 1.92 0.337 -0.038 1 63 645621 1749 1978 230 10 0 0.661 0.72 1.42 0.222 0.486 0.245 2.00 0.318 -0.017 1 64 645622 1754 1978 225 9 0 0.694 0.73 1.77 0.233 0.478 0.251 2.16 0.343 -0.051 2 65 645623 1757 1978 222 9 0 0.643 0.76 1.98 0.259 0.642 0.228 1.93 0.278 -0.012 1 66 645631 1868 1978 111 5 0 0.721 1.95 4.16 0.843 0.744 0.262 2.13 0.408 -0.013 2 67 645632 1873 1978 106 5 0 0.698 1.84 5.69 0.976 0.819 0.246 2.11 0.476 0.020 2 68 645633 1864 1978 115 5 0 0.724 2.09 6.51 1.081 0.781 0.247 2.19 0.472 -0.005 1 69 645641 1673 1978 306 13 0 0.715 0.70 2.11 0.295 0.737 0.232 2.07 0.339 -0.023 1 70 645642 1661 1978 318 13 0 0.659 0.64 2.71 0.340 0.802 0.237 2.19 0.313 -0.019 1 71 645643 1654 1978 325 13 0 0.718 0.67 2.38 0.356 0.789 0.241 2.00 0.312 -0.026 2 72 645651 1797 1978 182 8 0 0.724 1.17 2.17 0.273 0.454 0.196 2.03 0.346 -0.009 2 73 645652 1835 1978 144 6 0 0.756 1.07 1.88 0.253 0.556 0.185 1.99 0.329 -0.003 2 74 645653 1804 1978 175 7 0 0.682 1.17 1.81 0.298 0.619 0.179 1.86 0.301 -0.041 1 75 645661 1888 1980 93 4 0 0.785 2.39 4.67 0.666 0.529 0.221 1.91 0.395 -0.037 1 76 645662 1902 1980 79 3 0 0.758 1.98 4.75 0.662 0.529 0.255 2.13 0.421 -0.006 1 77 645671 1902 1980 79 3 0 0.775 2.46 5.30 0.839 0.570 0.240 1.97 0.356 -0.039 2 78 645672 1905 1980 76 3 0 0.793 2.97 5.40 0.779 0.331 0.254 1.89 0.309 -0.001 1 79 645681 1902 1980 79 3 0 0.766 1.85 6.25 0.886 0.549 0.292 1.93 0.359 -0.027 1 80 645682 1902 1980 79 3 0 0.770 1.87 5.74 0.826 0.655 0.263 1.95 0.331 -0.023 1 81 645691 1902 1980 79 3 0 0.799 2.13 4.64 0.819 0.566 0.267 1.90 0.311 0.020 2 82 645701 1882 1980 99 4 0 0.847 1.94 4.95 0.648 0.575 0.231 2.08 0.438 -0.035 1 83 645702 1882 1980 99 4 0 0.811 1.94 5.02 0.711 0.666 0.244 1.95 0.390 -0.033 1 84 645711 1882 1980 99 4 0 0.771 1.46 2.86 0.530 0.523 0.298 2.05 0.371 0.059 3 85 645712 1883 1980 98 4 0 0.785 1.61 3.32 0.607 0.476 0.320 2.11 0.412 -0.009 2 86 645731 1902 1980 79 3 0 0.814 1.80 3.50 0.698 0.660 0.265 1.87 0.316 -0.012 1 87 645751 1904 1980 77 3 0 0.865 1.84 4.18 0.708 0.649 0.284 1.96 0.394 0.011 1 88 645752 1904 1980 77 3 0 0.844 2.50 5.16 0.934 0.568 0.291 1.85 0.356 -0.021 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 9998 426 1 0.757 1.74 8.28 0.731 0.626 0.266 2.25 0.372 0.000