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 : IA025.CRN Measurement file name : IA025.RWL Date checked : 16DEC94 Technician's name : MARIETTE SEKLECKI Supervisor's name : HENRI D. GRISSINO-MAYER Beginning year : 1574 Ending year : 1980 Principal investigators: DANIEL N. DUVICK Site name : LAKE AHQUABI STATE PARK Site location : IOWA, USA Species information : QUAL WHITE OAK Latitude : 4117N Longitude : 9335W Elevation : 275 M Series intercorrelation: 0.735 Avg mean sensitivity : 0.234 Avg standard deviation : 0.598 Avg autocorrelation : 0.712 Number dated series : 63 Segment length tested : 50 Number problem segments: 7 Pct problem segments : 1.38 Are there obvious misdated series? NO Number possible misdated series : N/A Percent misdated series : 0.00 Comments: EXCELLENT HIGH QUALITY CHRONOLOGY ALL FLAGS = LOW CORRELATIONS WITH MASTER 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 16:15 Fri 16 DEC 1994 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 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 1 463011 1785 1977 - - - - - - - - .68 .65 .72 .82 .82 .80 .79 .79 - - - - + 2 463012 1768 1977 - - - - - - - .78 .69 .66 .72 .76 .74 .85 .88 .89 - - - - + 3 463013 1763 1977 - - - - - - - .67 .63 .65 .79 .85 .87 .89 .88 .88 - - - - + 4 463021 1832 1977 - - - - - - - - - - .54 .58 .81 .80 .77 .81 - - - - + 5 463022 1863 1977 - - - - - - - - - - - .65 .76 .79 .73 .77 - - - - + 6 463031 1830 1977 - - - - - - - - - - .51 .62 .72 .83 .86 .86 - - - - + 7 463032 1847 1977 - - - - - - - - - - .69 .66 .81 .84 .78 .77 - - - - + 8 463041 1723 1977 - - - - - .68 .67 .81 .79 .75 .77 .81 .75 .80 .80 .81 - - - - + 9 463042 1762 1977 - - - - - - - .80 .74 .73 .78 .79 .79 .86 .89 .90 - - - - + 10 463043 1729 1977 - - - - - - .75 .77 .70 .63 .71 .80 .85 .86 .88 .90 - - - - + 11 463051 1826 1977 - - - - - - - - - - .76 .82 .78 .72 .67 .69 - - - - + 12 463052 1769 1977 - - - - - - - .76 .75 .65 .75 .78 .75 .85 .84 .86 - - - - + 13 463061 1735 1977 - - - - - - .79 .78 .79 .77 .82 .83 .73 .82 .86 .88 - - - - + 14 463062 1787 1977 - - - - - - - - .70 .69 .66 .74 .71 .76 .83 .85 - - - - + 15 463063 1722 1977 - - - - - .62 .63 .70 .84 .80 .78 .78 .65 .73 .82 .86 - - - - + 16 463071 1762 1977 - - - - - - - .72 .76 .75 .73 .78 .78 .79 .74 .75 - - - - + 17 463072 1728 1977 - - - - - - .67 .52 .55 .63 .56 .57 .70 .80 .74 .74 - - - - + 18 463073 1729 1977 - - - - - - .70 .72 .78 .73 .75 .81 .80 .79 .76 .76 - - - - + 19 463081 1737 1977 - - - - - - .81 .84 .86 .82 .79 .75 .76 .80 .80 .79 - - - - + 20 463082 1851 1977 - - - - - - - - - - - .78 .68 .74 .83 .84 - - - - + 21 463083 1763 1977 - - - - - - - .84 .84 .75 .78 .84 .77 .81 .78 .78 - - - - + 22 463091 1880 1977 - - - - - - - - - - - - .79 .77 .83 .85 - - - - + 23 463092 1901 1977 - - - - - - - - - - - - - .79 .84 .78 - - - - + 24 463101 1717 1977 - - - - - .55 .60 .80 .83 .74 .79 .76 .73 .83 .81 .81 - - - - + 25 463102 1750 1977 - - - - - - - .80 .79 .79 .83 .81 .81 .81 .75 .75 - - - - + 26 463111 1764 1977 - - - - - - - .65 .71 .60 .68 .77 .75 .80 .75 .64 - - - - + 27 463112 1768 1977 - - - - - - - .69 .74 .68 .79 .81 .79 .79 .78 .80 - - - - + 28 463121 1800 1977 - - - - - - - - - .62 .68 .72 .72 .81 .83 .83 - - - - + 29 463122 1778 1977 - - - - - - - - .78 .72 .71 .74 .73 .78 .80 .80 - - - - + 30 463131 1720 1977 - - - - - .63 .65 .66 .74 .71 .75 .82 .80 .78 .62 .61 - - - - + 31 463132 1706 1977 - - - - - .53 .63 .70 .82 .80 .82 .85 .82 .86 .72 .72 - - - - + 32 463133 1708 1977 - - - - - .55 .66 .76 .81 .75 .76 .86 .86 .85 .73 .69 - - - - + 33 463134 1721 1977 - - - - - .53 .58 .67 .71 .62 .67 .81 .87 .83 .74 .75 - - - - + 34 463141 1718 1977 - - - - - .35 .22 .32 .73 .68 .76 .81 .82 .79 .82 .84 - - - - + ___B ___A 35 463142 1728 1977 - - - - - - .40 .46 .49 .43 .57 .66 .82 .87 .88 .90 - - - - + 36 463151 1732 1977 - - - - - - .48 .51 .56 .45 .66 .82 .91 .88 .80 .82 - - - - + 37 463152 1732 1977 - - - - - - .54 .50 .55 .57 .66 .71 .80 .80 .75 .76 - - - - + 38 463161 1885 1977 - - - - - - - - - - - - .79 .83 .86 .87 - - - - + 39 463162 1897 1977 - - - - - - - - - - - - .74 .78 .87 .91 - - - - + 40 463171 1734 1977 - - - - - - .80 .80 .80 .76 .84 .84 .81 .87 .66 .65 - - - - + 41 463172 1734 1977 - - - - - - .84 .85 .83 .76 .80 .80 .81 .89 .68 .69 - - - - + 42 463181 1904 1980 - - - - - - - - - - - - - .82 .85 .88 - - - - + 43 463182 1904 1980 - - - - - - - - - - - - - .81 .87 .88 - - - - + 44 463191 1888 1980 - - - - - - - - - - - - .83 .85 .80 .85 - - - - + 45 463192 1888 1980 - - - - - - - - - - - - .80 .83 .83 .86 - - - - + 46 463201 1888 1980 - - - - - - - - - - - - .83 .76 .78 .76 - - - - + 1 PART 5: CORRELATION BY SEGMENTS OF SERIES: 16:15 Fri 16 DEC 1994 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 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 47 463202 1877 1980 - - - - - - - - - - - - .69 .80 .82 .83 - - - - + 48 463211 1876 1980 - - - - - - - - - - - - .85 .89 .89 .84 - - - - + 49 463212 1876 1980 - - - - - - - - - - - - .78 .87 .89 .84 - - - - + 50 463221 1905 1980 - - - - - - - - - - - - - .77 .73 .75 - - - - + 51 463222 1905 1980 - - - - - - - - - - - - - .74 .62 .59 - - - - + 52 463231 1741 1980 - - - - - - .75 .72 .70 .77 .76 .75 .80 .82 .67 .71 - - - - + 53 463232 1735 1980 - - - - - - .79 .76 .76 .83 .77 .77 .81 .81 .82 .76 - - - - + 54 463233 1770 1980 - - - - - - - .84 .83 .82 .72 .73 .61 .71 .80 .80 - - - - + 55 463241 1741 1978 - - - - - - .70 .70 .72 .73 .73 .82 .84 .81 .80 .77 - - - - + 56 463242 1740 1980 - - - - - - .80 .78 .79 .71 .71 .82 .86 .77 .71 .69 - - - - + 57 463243 1762 1980 - - - - - - - .75 .76 .68 .66 .81 .88 .88 .81 .79 - - - - + 58 463251 1765 1980 - - - - - - - .59 .59 .49 .49 .68 .78 .82 .80 .82 - - - - + 59 463252 1854 1980 - - - - - - - - - - - .73 .63 .67 .85 .89 - - - - + 60 463261 1880 1980 - - - - - - - - - - - - .89 .91 .88 .84 - - - - + 61 463301 1578 1980 .87 .81 .46 .24 .39 .34 .32 .31 .54 .74 .68 .59 .48 .68 .64 .67 - - - - + ___B ___B ___A ___A 62 463302 1578 1980 .81 .79 .65 .48 .50 .48 .41 .31 .51 .67 .77 .70 .49 .66 .41 .42 - - - - + ___A 63 463303 1574 1954 .79 .74 .64 .40 .52 .52 .49 .61 .54 .53 .69 .62 .40 .56 .65 - - - - - + 1 PART 7: DESCRIPTIVE STATISTICS: 16:15 Fri 16 DEC 1994 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 463011 1785 1977 193 8 0 0.754 1.43 3.33 0.493 0.568 0.239 2.06 0.343 0.013 1 2 463012 1768 1977 210 9 0 0.768 1.54 4.78 0.639 0.706 0.234 2.17 0.368 0.015 1 3 463013 1763 1977 215 9 0 0.792 1.47 3.21 0.440 0.493 0.239 1.99 0.344 -0.014 1 4 463021 1832 1977 146 6 0 0.711 1.83 4.12 0.619 0.773 0.177 1.80 0.240 -0.033 1 5 463022 1863 1977 115 5 0 0.718 2.02 4.05 0.660 0.596 0.211 1.94 0.264 0.006 1 6 463031 1830 1977 148 6 0 0.738 1.55 3.82 0.597 0.592 0.235 2.04 0.326 -0.019 1 7 463032 1847 1977 131 6 0 0.760 1.99 6.31 0.995 0.757 0.225 2.00 0.312 -0.019 1 8 463041 1723 1977 255 11 0 0.757 1.23 2.68 0.419 0.729 0.193 2.10 0.338 -0.005 1 9 463042 1762 1977 216 9 0 0.803 1.37 2.72 0.583 0.809 0.194 2.04 0.318 -0.042 1 10 463043 1729 1977 249 10 0 0.782 1.26 2.69 0.612 0.855 0.203 1.99 0.362 -0.030 1 11 463051 1826 1977 152 6 0 0.736 1.77 3.55 0.676 0.642 0.224 2.00 0.311 -0.016 1 12 463052 1769 1977 209 9 0 0.780 1.40 4.42 0.796 0.809 0.256 2.07 0.298 -0.015 2 13 463061 1735 1977 243 10 0 0.799 1.08 2.67 0.428 0.760 0.197 1.92 0.358 -0.013 1 14 463062 1787 1977 191 8 0 0.739 1.21 2.67 0.507 0.739 0.215 2.06 0.370 0.015 1 15 463063 1722 1977 256 11 0 0.746 1.12 3.58 0.645 0.843 0.211 1.94 0.367 -0.027 1 16 463071 1762 1977 216 9 0 0.756 1.28 3.14 0.547 0.771 0.225 2.04 0.404 -0.028 2 17 463072 1728 1977 250 10 0 0.640 1.13 3.14 0.542 0.813 0.218 2.00 0.295 0.005 1 18 463073 1729 1977 249 10 0 0.761 1.29 3.03 0.497 0.706 0.224 2.04 0.394 -0.005 2 19 463081 1737 1977 241 10 0 0.795 1.05 3.55 0.527 0.790 0.214 1.98 0.322 0.002 1 20 463082 1851 1977 127 5 0 0.776 1.68 3.26 0.538 0.535 0.248 1.98 0.325 0.014 2 21 463083 1763 1977 215 9 0 0.797 1.04 2.75 0.479 0.827 0.198 2.14 0.323 -0.025 1 22 463091 1880 1977 98 4 0 0.823 2.18 5.53 0.989 0.472 0.357 1.95 0.380 0.055 1 23 463092 1901 1977 77 3 0 0.761 2.77 5.68 0.980 0.085 0.340 2.08 0.404 0.088 1 24 463101 1717 1977 261 11 0 0.754 1.09 2.80 0.441 0.669 0.237 2.01 0.360 -0.027 1 25 463102 1750 1977 228 9 0 0.792 1.05 2.25 0.364 0.602 0.243 1.96 0.297 -0.025 1 26 463111 1764 1977 214 9 0 0.683 0.88 2.54 0.371 0.652 0.248 2.02 0.336 -0.046 1 27 463112 1768 1977 210 9 0 0.754 1.18 3.44 0.523 0.738 0.242 2.12 0.317 -0.019 1 28 463121 1800 1977 178 7 0 0.737 1.02 2.59 0.490 0.753 0.252 1.96 0.288 -0.058 1 29 463122 1778 1977 200 8 0 0.756 0.99 2.18 0.393 0.682 0.252 1.95 0.300 -0.025 1 30 463131 1720 1977 258 11 0 0.701 0.97 2.31 0.348 0.702 0.203 2.07 0.381 -0.014 1 31 463132 1706 1977 272 11 0 0.742 1.02 2.27 0.395 0.710 0.203 2.08 0.313 -0.007 1 32 463133 1708 1977 270 11 0 0.738 1.03 2.29 0.410 0.742 0.203 2.00 0.389 0.012 1 33 463134 1721 1977 257 11 0 0.713 1.09 3.07 0.394 0.616 0.219 2.15 0.390 -0.011 1 34 463141 1718 1977 260 11 2 0.702 1.30 3.00 0.542 0.673 0.253 1.99 0.347 -0.012 1 35 463142 1728 1977 250 10 0 0.653 1.02 3.72 0.476 0.736 0.240 2.03 0.376 0.001 1 36 463151 1732 1977 246 10 0 0.698 0.98 2.46 0.504 0.669 0.293 2.04 0.354 0.005 1 37 463152 1732 1977 246 10 0 0.668 0.99 2.62 0.454 0.672 0.269 2.00 0.376 0.001 1 38 463161 1885 1977 93 4 0 0.824 2.46 6.22 1.032 0.554 0.303 2.18 0.395 0.021 1 39 463162 1897 1977 81 4 0 0.822 3.07 7.48 1.230 0.600 0.299 1.94 0.368 0.000 1 40 463171 1734 1977 244 10 0 0.777 1.18 5.49 0.632 0.769 0.209 2.18 0.358 -0.010 1 41 463172 1734 1977 244 10 0 0.787 1.13 2.57 0.488 0.749 0.223 2.05 0.304 0.013 1 42 463181 1904 1980 77 3 0 0.835 2.77 5.47 1.003 0.340 0.300 1.98 0.417 0.014 1 43 463182 1904 1980 77 3 0 0.835 2.72 5.80 1.038 0.292 0.318 1.97 0.321 0.048 1 44 463191 1888 1980 93 4 0 0.828 2.39 5.55 1.139 0.636 0.328 1.99 0.450 -0.023 2 45 463192 1888 1980 93 4 0 0.820 2.70 6.00 1.169 0.483 0.347 1.99 0.368 0.005 1 46 463201 1888 1980 93 4 0 0.781 2.28 5.37 1.011 0.581 0.288 1.80 0.280 0.010 1 47 463202 1877 1980 104 4 0 0.770 2.78 6.82 1.168 0.412 0.345 1.92 0.353 0.031 2 48 463211 1876 1980 105 4 0 0.839 2.04 4.19 0.894 0.688 0.278 1.75 0.261 -0.006 1 1 PART 7: DESCRIPTIVE STATISTICS: 16:15 Fri 16 DEC 1994 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 49 463212 1876 1980 105 4 0 0.816 2.14 4.84 0.864 0.641 0.288 1.82 0.254 -0.014 1 50 463221 1905 1980 76 3 0 0.763 3.15 5.47 0.964 0.393 0.259 1.87 0.355 0.048 1 51 463222 1905 1980 76 3 0 0.671 3.14 6.30 1.297 0.576 0.298 1.88 0.399 -0.013 1 52 463231 1741 1980 240 10 0 0.749 1.31 3.55 0.532 0.747 0.220 2.05 0.296 -0.024 1 53 463232 1735 1980 246 10 0 0.780 1.21 2.82 0.412 0.624 0.229 2.20 0.398 0.020 1 54 463233 1770 1980 211 9 0 0.749 0.89 2.43 0.263 0.491 0.224 2.02 0.296 -0.033 2 55 463241 1741 1978 238 10 0 0.759 1.42 3.52 0.741 0.786 0.234 1.94 0.301 0.002 1 56 463242 1740 1980 241 10 0 0.762 1.35 4.23 0.700 0.753 0.235 2.01 0.361 0.020 1 57 463243 1762 1980 219 9 0 0.769 1.32 2.99 0.546 0.743 0.211 1.95 0.312 0.040 1 58 463251 1765 1980 216 9 0 0.684 1.27 3.13 0.648 0.846 0.239 2.00 0.316 0.016 1 59 463252 1854 1980 127 5 0 0.757 2.00 3.95 0.759 0.724 0.227 2.02 0.349 0.012 2 60 463261 1880 1980 101 4 0 0.859 1.72 4.76 1.092 0.804 0.268 2.03 0.394 -0.021 1 61 463301 1578 1980 403 16 4 0.547 0.95 3.75 0.791 0.907 0.227 2.04 0.309 -0.036 1 62 463302 1578 1980 403 16 1 0.568 0.93 3.66 0.673 0.906 0.220 2.22 0.354 -0.018 1 63 463303 1574 1954 381 15 0 0.590 0.80 3.05 0.631 0.917 0.207 1.94 0.260 0.005 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 12339 508 7 0.735 1.34 7.48 0.598 0.712 0.234 2.22 0.338 -0.007