Chronology file name : CO697.CRN
Measurement file name : CO697.RWL
Date checked : 11FEB25
Checked by : Paleoclimatology Team
Beginning year : 1881
Ending year : 2007
Principal investigators: Smith Veblen
Site name : Jefferson County Open Space
Site location : Colorado
Species information : PIPO PONDEROSA PINE
Latitude : M -10
Longitude : 512394
Elevation : 1965
Series intercorrelation: 0.756
Avg mean sensitivity : 0.403
Avg standard deviation : 0.061
Avg autocorrelation : 0.542
Number dated series : 10
Segment length tested : 50
Number problem segments: 0
Pct problem segments : 0.00
PART 5: CORRELATION OF SERIES BY SEGMENTS: CO697 15:43 Tue 11 Feb 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 1875 1900 1925 1950 1975
1924 1949 1974 1999 2024
--- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
1 J1122 1933 2007 .74 .84 .86
2 J2324 1929 2007 .79 .78 .82
3 J2423 1943 2007 .77 .79 .86
4 J28 1932 2007 .43 .40 .33
5 J82 1940 2007 .86 .88 .87
6 J49 1881 2007 .62 .71 .87 .87 .86
7 J206 1892 2007 .64 .70 .90 .85 .83
8 J719 1899 2007 .76 .76 .89 .85 .89
9 J197 1891 2007 .73 .82 .84 .77 .82
10 J1714 1940 2007 .79 .81 .83
Av segment correlation .69 .75 .79 .78 .80
PART 7: DESCRIPTIVE STATISTICS: CO697 15:43 Tue 11 Feb 2025 Page 8
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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 J1122 1933 2007 75 3 0 .809 .12 .26 .049 .484 .410 2.68 .495 -.024 1
2 J2324 1929 2007 79 3 0 .803 .18 .45 .092 .519 .410 2.57 .503 -.079 1
3 J2423 1943 2007 65 3 0 .829 .16 .45 .087 .562 .416 2.61 .530 -.056 1
4 J28 1932 2007 76 3 0 .270 .11 .25 .059 .631 .379 2.54 .469 -.008 1
5 J82 1940 2007 68 3 0 .851 .14 .33 .076 .572 .437 2.50 .412 -.029 2
6 J49 1881 2007 127 5 0 .778 .10 .22 .039 .429 .365 2.71 .504 -.034 1
7 J206 1892 2007 116 5 0 .756 .12 .29 .059 .546 .434 2.54 .439 -.066 1
8 J719 1899 2007 109 5 0 .841 .11 .34 .059 .696 .365 2.53 .440 -.067 1
9 J197 1891 2007 117 5 0 .778 .12 .40 .068 .710 .409 2.63 .509 -.055 1
10 J1714 1940 2007 68 3 0 .812 .09 .19 .037 .157 .433 2.68 .544 -.051 1
--- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- --
Total or mean: 900 38 0 .756 .12 .45 .061 .542 .403 2.71 .483 -.048