Chronology file name : BRIT033.CRN Measurement file name : BRIT033.RWL Date checked : 10MAR05 Checked by : H. ADAMS AND J. LUKAS Beginning year : 1818 Ending year : 1987 Principal investigators: Hilam, J. Site name : Porter Brook Site location : UK Species information : QUSP OAK Latitude : 5330 Longitude : -130 Elevation : 0M Series intercorrelation: 0.410 Avg mean sensitivity : 0.246 Avg standard deviation : 0.979 Avg autocorrelation : 0.869 Number dated series : 6 Segment length tested : 50 Number problem segments: 12 Pct problem segments : 46.15 PART 5: CORRELATION OF SERIES BY SEGMENTS: brit033.rwl 16:51 Thu 10 Mar 2005 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 1825 1850 1875 1900 1925 1950 1874 1899 1924 1949 1974 1999 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 PB04.D 1838 1987 .59 .56 .29A .12B .33 .21A 2 PB07.D 1840 1931 .67 .61 .32A .31A 3 PB08.D 1840 1987 .75 .69 .54 .22A .20B .20A 4 PB09.D 1854 1987 .42 .51 .31A .28A .23A 5 PB3A.D 1818 1907 .51 .54 .48 6 PB5A.D 1854 1923 .36 .30A Av segment correlation .63 .53 .41 .24 .27 .21 PART 7: DESCRIPTIVE STATISTICS: brit033.rwl 16:51 Thu 10 Mar 2005 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 PB04.D 1838 1987 150 6 3 .350 1.10 5.82 1.112 .900 .290 2.74 .475 .024 1 2 PB07.D 1840 1931 92 4 2 .500 1.09 3.36 .782 .906 .227 2.66 .477 .020 1 3 PB08.D 1840 1987 148 6 3 .502 1.18 4.04 .849 .886 .203 2.62 .442 -.017 1 4 PB09.D 1854 1987 134 5 3 .353 1.28 3.54 .653 .795 .227 2.75 .538 -.002 1 5 PB3A.D 1818 1907 90 3 0 .471 1.84 6.90 1.773 .912 .273 2.60 .508 -.001 1 6 PB5A.D 1854 1923 70 2 1 .277 1.43 3.70 .833 .801 .270 2.75 .442 -.012 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 684 26 12 .410 1.28 6.90 .979 .869 .246 2.75 .482 .002