Rifle, Colorado, USA - CO621 Additional information Connie A. Woodhouse Jeff Lukas Purpose of Collection: Climatology Detrend method: Negative exponential or linear regression of any slope, or 2/3-length spline. Detrending was done interactively, and if a negative exponential or lenear regression fit poorly, a 2/3-length spline was used. Cores are stored at: Institute of Arctic and Alpine Research, University of Colorado Reference: Woodhouse, Connie A.; Gray, Stephen T.; Meko, David M. 2006. Updated streamflow reconstructions for the Upper Colorado River Basin. Water Resources Research 42(5), W05415. COFECHA output: Chronology file name : CO621.CRN Measurement file name : CO621.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1352 Ending year : 2000 Principal investigators: Connie A. Woodhouse Jeff Lukas Site name : Rifle Site location : Colorado Species information : PIED PINYON Latitude : 3940 Longitude : -10753 Elevation : 2073m Series intercorrelation: 0.831 Avg mean sensitivity : 0.424 Avg standard deviation : 0.254 Avg autocorrelation : 0.657 Number dated series : 33 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Rifle 14:46 Wed 21 Jun 2006 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 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 rif081 1583 2000 .77 .72 .79 .88 .82 .79 .81 .81 .83 .80 .83 .81 2 rif082 1576 2000 .81 .77 .86 .89 .84 .83 .84 .84 .84 .82 .85 .85 3 rif101 1660 2000 .67 .70 .75 .89 .83 .77 .84 .90 .85 4 rif102 1658 2000 .83 .83 .89 .93 .87 .88 .92 .91 .89 5 rif121 1485 2000 .72 .74 .82 .81 .80 .82 .85 .87 .82 .84 .86 .79 .81 .87 .85 .83 6 rif122 1449 2000 .51 .51 .80 .86 .78 .72 .83 .81 .85 .87 .82 .87 .88 .78 .81 .85 .82 .80 7 rif112 1630 2000 .64 .73 .70 .79 .76 .68 .79 .84 .86 .81 8 rif111 1648 2000 .72 .73 .67 .68 .84 .84 .86 .86 .88 .88 9 rif061 1616 1950 .82 .84 .82 .82 .85 .80 .76 .84 .88 .84 .85 10 rif062 1578 1810 .77 .78 .87 .86 .88 .89 .85 .78 .78 11 rif211 1510 1814 .78 .77 .83 .80 .80 .85 .89 .81 .86 .91 .80 .84 12 rif212 1532 1857 .75 .85 .79 .72 .81 .90 .89 .89 .84 .85 .85 .85 .86 13 rif041 1559 1946 .69 .73 .74 .78 .69 .60 .77 .81 .83 .81 .81 .88 .90 14 rif042 1594 1930 .63 .69 .77 .88 .74 .76 .84 .80 .77 .84 .83 .87 15 rif051 1462 1858 .85 .88 .85 .87 .86 .81 .74 .75 .84 .75 .75 .86 .80 .80 .84 .84 16 rif071 1590 1840 .44 .54 .71 .76 .83 .87 .82 .82 .84 .83 17 rif072 1570 2000 .75 .72 .73 .78 .73 .80 .88 .85 .80 .85 .89 .88 .91 18 rif091 1617 2000 .73 .79 .88 .89 .87 .85 .85 .85 .84 .86 .83 19 rif092 1850 2000 .85 20 rif131 1449 1999 .88 .88 .93 .92 .85 .83 .90 .88 .87 .85 .83 .86 .90 .89 .84 .87 .89 .86 21 rif132 1560 2000 .79 .88 .85 .84 .87 .85 .82 .85 .88 .87 .88 .90 .91 22 rif141 1404 2000 .71 .74 .84 .91 .90 .91 .89 .89 .90 .94 .88 .75 .82 .90 .88 .85 .86 .87 .86 23 rif142 1395 1916 .76 .74 .73 .86 .94 .93 .88 .85 .88 .90 .93 .88 .81 .90 .93 .91 .84 .84 .90 .89 24 rif201 1703 2000 .71 .83 .80 .83 .87 .87 .90 25 rif202 1661 2000 .73 .75 .78 .81 .80 .85 .90 .91 .91 26 rif021 1455 2000 .90 .89 .88 .87 .85 .86 .87 .93 .93 .86 .88 .92 .90 .90 .91 .88 .90 27 rif022 1479 2000 .82 .83 .89 .90 .88 .88 .92 .93 .89 .91 .86 .87 .93 .87 .82 .88 28 rif161 1352 2000 .76 .79 .84 .88 .84 .87 .89 .85 .83 .87 .87 .82 .79 .79 .84 .89 .89 .88 .86 .77 29 rif162 1386 2000 .63 .69 .67 .79 .86 .87 .80 .78 .92 .93 .86 .83 .80 .84 .90 .91 .92 .91 .82 .83 30 rif151 1441 1760 .65 .87 .91 .83 .67 .81 .87 .82 .86 .89 .90 .91 .93 31 rif151 1820 2000 .88 .89 .86 32 rif152 1434 1770 .74 .79 .87 .85 .77 .76 .85 .87 .89 .85 .80 .82 .81 33 rif152 1820 2000 .89 .89 .89 Av segment correlation .71 .73 .72 .82 .86 .86 .82 .82 .80 .80 .83 .83 .80 .83 .86 .83 .84 .86 .87 .86 PART 5: CORRELATION OF SERIES BY SEGMENTS: Rifle 14:46 Wed 21 Jun 2006 Page 6 ----------------------------------------------------------------------------------------------------------------------------------- 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 rif081 1583 2000 .69 .62 .67 .77 .77 2 rif082 1576 2000 .75 .72 .76 .78 .79 3 rif101 1660 2000 .80 .64 .64 .85 .85 4 rif102 1658 2000 .82 .77 .80 .87 .87 5 rif121 1485 2000 .81 .76 .76 .88 .90 6 rif122 1449 2000 .80 .76 .70 .83 .84 7 rif112 1630 2000 .70 .63 .72 .85 .83 8 rif111 1648 2000 .83 .80 .74 .81 .81 9 rif061 1616 1950 .75 .73 .73 13 rif041 1559 1946 .84 .80 14 rif042 1594 1930 .86 .85 17 rif072 1570 2000 .87 .74 .77 .87 .87 18 rif091 1617 2000 .71 .61 .72 .89 .90 19 rif092 1850 2000 .72 .64 .66 .80 .81 20 rif131 1449 1999 .81 .75 .76 .88 21 rif132 1560 2000 .90 .85 .87 .85 .85 22 rif141 1404 2000 .81 .81 .84 .93 .93 23 rif142 1395 1916 .90 24 rif201 1703 2000 .88 .79 .74 .86 .87 25 rif202 1661 2000 .81 .74 .76 .86 .85 26 rif021 1455 2000 .87 .84 .86 .87 .87 27 rif022 1479 2000 .83 .85 .83 .80 .80 28 rif161 1352 2000 .79 .74 .79 .83 .84 29 rif162 1386 2000 .86 .84 .82 .88 .88 31 rif151 1820 2000 .82 .74 .66 .77 .77 33 rif152 1820 2000 .82 .66 .62 .86 .88 Av segment correlation .81 .75 .75 .84 .85 PART 7: DESCRIPTIVE STATISTICS: Rifle 14:46 Wed 21 Jun 2006 Page 11 ----------------------------------------------------------------------------------------------------------------------------------- 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 rif081 1583 2000 418 17 0 .774 .69 2.19 .416 .779 .339 2.72 .393 .011 1 2 rif082 1576 2000 425 17 0 .809 .71 1.96 .394 .738 .349 2.58 .351 .003 2 3 rif101 1660 2000 341 14 0 .788 .66 2.02 .277 .580 .316 2.65 .393 -.003 1 4 rif102 1658 2000 343 14 0 .864 .56 1.49 .239 .528 .361 2.67 .387 -.023 2 5 rif121 1485 2000 516 21 0 .814 .36 1.15 .173 .618 .342 2.75 .408 -.022 1 6 rif122 1449 2000 552 23 0 .787 .41 1.56 .239 .748 .340 2.53 .295 -.018 2 7 rif112 1630 2000 371 15 0 .753 .72 1.77 .293 .646 .287 2.49 .326 -.032 1 8 rif111 1648 2000 353 15 0 .793 .57 1.69 .290 .725 .333 2.54 .361 -.032 1 9 rif061 1616 1950 335 14 0 .845 .32 1.04 .168 .377 .573 2.67 .379 -.030 1 10 rif062 1578 1810 233 9 0 .833 .45 1.15 .237 .522 .419 2.49 .324 .017 1 11 rif211 1510 1814 305 12 0 .819 .52 1.44 .256 .616 .359 2.53 .339 -.002 1 12 rif212 1532 1857 326 13 0 .829 .36 1.12 .247 .725 .439 2.55 .327 -.004 1 13 rif041 1559 1946 388 15 0 .784 .41 1.36 .226 .712 .382 2.60 .372 -.019 1 14 rif042 1594 1930 337 14 0 .805 .35 1.75 .254 .734 .479 2.68 .393 -.023 1 15 rif051 1462 1858 397 16 0 .834 .37 1.31 .201 .361 .619 2.54 .370 .002 4 16 rif071 1590 1840 251 10 0 .746 .53 1.63 .337 .822 .384 2.75 .450 .031 1 17 rif072 1570 2000 431 18 0 .826 .52 1.33 .246 .655 .373 2.53 .349 -.027 1 18 rif091 1617 2000 384 16 0 .822 .35 .84 .156 .505 .371 2.68 .302 .031 3 19 rif092 1850 2000 151 6 0 .774 .40 .86 .139 .419 .300 2.65 .390 -.058 1 20 rif131 1449 1999 551 22 0 .869 .42 1.49 .251 .710 .435 2.74 .392 -.015 1 21 rif132 1560 2000 441 18 0 .874 .37 1.15 .195 .530 .489 2.55 .344 -.010 1 22 rif141 1404 2000 597 24 0 .878 .44 1.26 .263 .722 .473 2.54 .284 .001 2 23 rif142 1395 1916 522 21 0 .888 .47 1.45 .318 .792 .490 2.52 .289 -.003 1 24 rif201 1703 2000 298 12 0 .831 .51 1.52 .245 .548 .409 2.54 .335 -.043 1 25 rif202 1661 2000 340 14 0 .823 .59 1.24 .221 .474 .348 2.50 .284 -.033 1 26 rif021 1455 2000 546 22 0 .893 .33 1.34 .226 .684 .580 2.46 .317 -.026 1 27 rif022 1479 2000 522 21 0 .894 .35 1.36 .224 .592 .572 2.44 .303 -.025 1 28 rif161 1352 2000 649 25 0 .858 .39 1.44 .265 .765 .491 2.60 .321 -.024 1 29 rif162 1386 2000 615 25 0 .835 .43 1.41 .244 .654 .452 2.46 .306 -.010 1 30 rif151 1441 1760 320 13 0 .839 .50 1.57 .275 .743 .364 2.70 .352 .007 1 31 rif151 1820 2000 181 8 0 .796 .36 1.12 .231 .747 .414 2.70 .378 -.045 1 32 rif152 1434 1770 337 13 0 .823 .45 1.92 .367 .887 .382 2.47 .315 .004 1 33 rif152 1820 2000 181 8 0 .835 .32 .80 .191 .771 .424 2.52 .353 -.040 2 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 12957 525 0 .831 .46 2.19 .254 .657 .424 2.75 .343 -.013