Little Belt Mountains Pole Creek, Montana - MT162 Additional Site Information David Sauchyn COFECHA output: Chronology file name : MT162.CRN Measurement file name : MT162.RWL Date checked : 21AUG19 Checked by : B. Bauer Beginning year : 1699 Ending year : 2005 Principal investigators: David Sauchyn Site name : Little Belt Mountains Pole Creek Site location : Montana Species information : PSME DOUGLAS-FIR Latitude : 4651 Longitude : -11059 Elevation : 1830M Series intercorrelation: 0.787 Avg mean sensitivity : 0.304 Avg standard deviation : 0.869 Avg autocorrelation : 0.692 Number dated series : 8 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Little Belt Mountains Pole Creek 12:02 Wed 21 Aug 2019 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 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 LBM001A 1845 2005 .44 .48 .81 .83 .82 .80 .79 2 LBM001B 1857 2005 .82 .79 .80 .77 .77 .79 3 LBM002A 1699 2005 .84 .79 .78 .84 .76 .73 .83 .82 .73 .78 .72 4 LBM002B 1727 2005 .84 .79 .78 .82 .83 .76 .74 .74 .73 .84 .80 5 LBM003A 1841 2005 .77 .78 .86 .85 .86 .90 .87 6 LBM003B 1822 2005 .77 .78 .77 .82 .82 .80 .81 .78 7 LBM004A 1858 2005 .87 .85 .87 .86 .75 .75 8 LBM004B 1822 2005 .89 .89 .87 .81 .85 .85 .74 .74 Av segment correlation .84 .79 .78 .83 .74 .76 .81 .82 .80 .80 .78 PART 7: DESCRIPTIVE STATISTICS: Little Belt Mountains Pole Creek 12:02 Wed 21 Aug 2019 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 LBM001A 1845 2005 161 7 0 .676 2.12 5.55 1.093 .619 .360 2.70 .457 -.042 1 2 LBM001B 1857 2005 149 6 0 .795 2.14 9.36 1.241 .628 .337 2.54 .316 -.048 1 3 LBM002A 1699 2005 307 11 0 .773 1.36 4.40 .684 .680 .308 2.97 .487 .017 1 4 LBM002B 1727 2005 279 11 0 .780 1.43 4.26 .690 .575 .341 2.76 .485 .001 1 5 LBM003A 1841 2005 165 7 0 .827 2.22 5.49 1.061 .779 .247 2.59 .427 -.033 2 6 LBM003B 1822 2005 184 8 0 .787 2.08 5.38 1.160 .860 .232 2.74 .465 -.013 1 7 LBM004A 1858 2005 148 6 0 .838 1.19 3.22 .556 .672 .306 2.70 .444 .042 1 8 LBM004B 1822 2005 184 8 0 .830 1.31 3.27 .743 .776 .288 2.65 .457 .043 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 1577 64 0 .787 1.68 9.36 .869 .692 .304 2.97 .451 -.002