Montrose, Colorado, USA - CO612 Additional information Connie A. Woodhouse Jeff Lukas Gary Bolton Mark Losleben 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 : CO612.CRN Measurement file name : CO612.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1440 Ending year : 2002 Principal investigators: Connie A. Woodhouse Jeff Lukas Gary Bolton Mark Losleben Site name : Montrose Site location : Colorado Species information : PIED PINYON Latitude : 3823 Longitude : -10801 Elevation : 2286m Series intercorrelation: 0.845 Avg mean sensitivity : 0.451 Avg standard deviation : 0.255 Avg autocorrelation : 0.638 Number dated series : 55 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Montrose 14:36 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 1450 1475 1500 1525 1550 1575 1600 1625 1650 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1499 1524 1549 1574 1599 1624 1649 1674 1699 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 mon031 1722 2000 .74 .80 .76 .72 .80 .85 .84 .89 .84 .71 2 mon032 1696 2000 .78 .81 .85 .83 .85 .82 .83 .84 .83 .79 .81 3 mon121 1555 2000 .79 .81 .76 .85 .90 .92 .93 .89 .89 .86 .83 .84 .78 .81 .89 .91 4 mon122 1540 2000 .82 .82 .80 .73 .87 .91 .94 .95 .88 .88 .88 .89 .88 .79 .80 .84 .90 5 mon151 1585 2000 .83 .80 .81 .79 .87 .94 .91 .90 .90 .89 .94 .93 .89 .88 .92 6 mon152 1564 2000 .75 .85 .82 .83 .88 .87 .86 .86 .82 .75 .80 .92 .90 .84 .86 .89 7 mon221 1639 2000 .73 .78 .79 .77 .76 .80 .83 .80 .86 .86 .80 .76 .84 8 mon222 1619 2000 .39 .46 .72 .78 .78 .84 .80 .72 .80 .90 .91 .84 .80 .78 9 mon231 1675 2000 .71 .86 .88 .85 .82 .87 .91 .89 .80 .75 .72 10 mon232 1693 2000 .78 .86 .83 .87 .89 .88 .89 .90 .82 .75 .77 11 mon241 1605 2000 .44 .71 .83 .83 .90 .94 .93 .93 .91 .92 .92 .91 .87 .75 12 mon242 1614 2000 .60 .69 .81 .88 .93 .96 .83 .85 .92 .92 .91 .91 .89 .82 13 mon251 1708 2000 .79 .85 .84 .81 .83 .92 .91 .87 .88 .89 14 mon252 1706 2000 .82 .88 .86 .87 .84 .86 .86 .86 .89 .88 15 mon011 1627 2000 .75 .84 .91 .91 .91 .95 .90 .89 .93 .92 .91 .85 .74 16 mon012 1616 2000 .84 .77 .77 .90 .92 .91 .88 .88 .93 .90 .76 .65 .69 .80 17 mon021 1509 2000 .74 .78 .79 .85 .72 .77 .85 .86 .91 .91 .90 .86 .86 .91 .91 .82 .83 .87 18 mon022 1510 2000 .85 .79 .82 .84 .77 .78 .84 .90 .91 .90 .87 .86 .86 .88 .90 .83 .80 .84 19 mon023 1491 2000 .87 .89 .85 .82 .73 .73 .83 .88 .91 .94 .94 .93 .89 .90 .92 .89 .82 .78 .87 20 mon041 1614 2000 .80 .84 .81 .80 .85 .82 .82 .84 .82 .84 .90 .88 .86 .86 21 mon042 1612 1949 .70 .77 .85 .85 .86 .83 .82 .88 .89 .89 .84 .86 .89 22 mon051 1588 2000 .72 .69 .88 .95 .95 .95 .93 .91 .94 .95 .94 .93 .88 .73 .81 23 mon052 1595 2000 .80 .79 .89 .93 .90 .91 .95 .94 .94 .95 .96 .95 .89 .76 .82 24 mon061 1561 2000 .83 .89 .87 .90 .90 .93 .95 .92 .90 .92 .92 .89 .90 .89 .89 .89 25 mon062 1590 2000 .85 .83 .91 .91 .89 .95 .96 .92 .93 .94 .94 .92 .90 .86 .89 26 mon071 1597 2000 .79 .75 .79 .85 .93 .91 .93 .91 .89 .83 .85 .88 .71 .69 .81 27 mon072 1597 2000 .80 .78 .76 .81 .86 .91 .86 .81 .91 .95 .95 .95 .89 .79 .74 28 mon111 1469 1985 .62 .69 .88 .76 .79 .81 .63 .77 .75 .79 .81 .74 .77 .74 .76 .82 .91 .86 .81 .75 29 mon112 1496 2000 .69 .76 .76 .82 .81 .75 .88 .87 .83 .88 .91 .83 .78 .83 .89 .89 .86 .74 .66 30 mon131 1574 2000 .84 .84 .87 .91 .93 .92 .88 .89 .93 .93 .93 .94 .92 .86 .82 .87 31 mon132 1640 2000 .67 .93 .91 .91 .90 .87 .90 .91 .92 .90 .86 .80 .86 32 mon141 1600 2000 .85 .85 .86 .86 .86 .87 .84 .87 .88 .87 .88 .87 .69 .78 33 mon142 1561 2000 .76 .80 .68 .70 .83 .89 .90 .92 .80 .81 .87 .89 .91 .90 .81 .84 34 mon161 1609 2000 .84 .80 .84 .91 .89 .89 .88 .88 .84 .89 .92 .84 .79 .82 35 mon162 1573 2000 .82 .86 .73 .70 .66 .73 .88 .93 .89 .86 .87 .93 .94 .91 .79 .69 36 mon212 1564 2000 .68 .75 .71 .74 .76 .79 .88 .86 .84 .86 .86 .86 .84 .67 .71 .85 37 mon261 1799 2000 .70 .71 .67 .69 .73 .64 .61 38 mon262 1719 2000 .88 .86 .83 .84 .85 .85 .86 .76 .66 .68 39 mon271 1440 1995 .59 .64 .83 .77 .78 .86 .77 .77 .84 .87 .93 .93 .93 .91 .89 .91 .92 .84 .80 .79 40 mtr601 1746 2002 .81 .82 .85 .84 .90 .84 .72 .65 .73 41 mtr602 1747 2002 .79 .83 .83 .83 .91 .87 .83 .83 .83 42 mtr641 1596 2002 .81 .82 .87 .92 .90 .93 .93 .89 .85 .88 .95 .93 .89 .89 .91 43 mtr711 1660 2002 .68 .77 .86 .82 .87 .84 .80 .89 .78 .69 .78 .84 44 mtr712 1680 2002 .75 .82 .84 .87 .89 .87 .90 .88 .84 .81 .63 45 mtr721 1680 2002 .88 .90 .89 .83 .82 .88 .93 .91 .85 .80 .79 46 mtr642 1589 2002 .89 .85 .88 .90 .89 .92 .92 .89 .91 .94 .93 .93 .82 .74 .80 47 mtr722 1597 2002 .69 .70 .87 .90 .86 .82 .84 .82 .83 .84 .81 .86 .84 .82 .86 48 mtr751 1766 2002 .84 .83 .86 .90 .85 .81 .85 .93 49 mtr752 1727 2002 .88 .84 .80 .84 .91 .94 .87 .82 .91 50 mtr741 1565 2002 .71 .75 .80 .89 .92 .91 .90 .87 .88 .91 .93 .94 .91 .82 .81 .81 51 mtr832 1770 2002 .77 .79 .92 .93 .86 .86 .85 .78 52 mtr831 1794 2002 .80 .85 .91 .86 .85 .91 .90 53 mtr842 1516 2002 .56 .55 .71 .81 .80 .77 .85 .86 .86 .88 .88 .80 .68 .76 .83 .78 .85 .91 54 mtr841 1547 2002 .62 .65 .69 .69 .76 .86 .85 .88 .90 .91 .89 .84 .84 .90 .88 .87 .89 55 mtr801 1479 1878 .89 .93 .89 .91 .89 .80 .77 .85 .92 .91 .89 .93 .92 .93 .93 .90 Av segment correlation .61 .75 .80 .76 .78 .81 .75 .79 .85 .86 .88 .88 .86 .85 .86 .89 .88 .84 .80 .82 PART 5: CORRELATION OF SERIES BY SEGMENTS: Montrose 14:36 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 1950 1975 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 mon031 1722 2000 .79 .78 2 mon032 1696 2000 .86 .85 3 mon121 1555 2000 .83 .83 4 mon122 1540 2000 .89 .88 5 mon151 1585 2000 .92 .92 6 mon152 1564 2000 .88 .88 7 mon221 1639 2000 .83 .83 8 mon222 1619 2000 .77 .77 9 mon231 1675 2000 .81 .81 10 mon232 1693 2000 .84 .83 11 mon241 1605 2000 .80 .80 12 mon242 1614 2000 .80 .79 13 mon251 1708 2000 .90 .90 14 mon252 1706 2000 .84 .84 15 mon011 1627 2000 .74 .74 16 mon012 1616 2000 .72 .73 17 mon021 1509 2000 .84 .83 18 mon022 1510 2000 .86 .85 19 mon023 1491 2000 .91 .91 20 mon041 1614 2000 .80 .81 22 mon051 1588 2000 .94 .94 23 mon052 1595 2000 .91 .90 24 mon061 1561 2000 .66 .66 25 mon062 1590 2000 .74 .74 26 mon071 1597 2000 .83 .82 27 mon072 1597 2000 .68 .69 28 mon111 1469 1985 .70 29 mon112 1496 2000 .62 .61 30 mon131 1574 2000 .94 .94 31 mon132 1640 2000 .94 .94 32 mon141 1600 2000 .88 .88 33 mon142 1561 2000 .86 .86 34 mon161 1609 2000 .80 .79 35 mon162 1573 2000 .70 .70 36 mon212 1564 2000 .74 .74 37 mon261 1799 2000 .76 .76 38 mon262 1719 2000 .62 .62 39 mon271 1440 1995 .77 40 mtr601 1746 2002 .80 .81 41 mtr602 1747 2002 .76 .78 42 mtr641 1596 2002 .91 .90 43 mtr711 1660 2002 .83 .82 44 mtr712 1680 2002 .78 .77 45 mtr721 1680 2002 .90 .88 46 mtr642 1589 2002 .82 .84 47 mtr722 1597 2002 .87 .86 48 mtr751 1766 2002 .94 .93 49 mtr752 1727 2002 .91 .90 50 mtr741 1565 2002 .82 .85 51 mtr832 1770 2002 .76 .77 52 mtr831 1794 2002 .76 .77 53 mtr842 1516 2002 .80 .79 54 mtr841 1547 2002 .87 .87 Av segment correlation .82 .82 PART 7: DESCRIPTIVE STATISTICS: Montrose 14:36 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 mon031 1722 2000 279 12 0 .802 .59 1.75 .287 .587 .350 2.65 .352 -.012 1 2 mon032 1696 2000 305 13 0 .845 .58 1.27 .240 .445 .383 2.68 .391 -.004 1 3 mon121 1555 2000 446 18 0 .863 .40 1.13 .181 .547 .401 2.49 .294 -.012 1 4 mon122 1540 2000 461 19 0 .871 .39 1.31 .187 .511 .441 2.52 .336 .001 1 5 mon151 1585 2000 416 17 0 .886 .63 1.82 .286 .631 .346 2.56 .395 -.021 1 6 mon152 1564 2000 437 18 0 .845 .60 1.98 .343 .770 .350 2.59 .373 .001 1 7 mon221 1639 2000 362 15 0 .802 .44 1.14 .202 .584 .375 2.57 .373 -.025 1 8 mon222 1619 2000 382 16 0 .752 .52 1.13 .216 .533 .386 2.59 .364 -.007 1 9 mon231 1675 2000 326 13 0 .823 .57 1.51 .254 .624 .341 2.63 .369 -.023 1 10 mon232 1693 2000 308 13 0 .838 .64 1.68 .357 .733 .404 2.47 .272 -.023 1 11 mon241 1605 2000 396 16 0 .819 .45 1.55 .241 .687 .411 2.60 .381 -.018 1 12 mon242 1614 2000 387 16 0 .846 .45 1.79 .306 .766 .467 2.62 .427 -.018 1 13 mon251 1708 2000 293 12 0 .856 .58 1.65 .232 .566 .330 2.55 .349 -.041 1 14 mon252 1706 2000 295 12 0 .843 .68 2.50 .307 .723 .283 2.59 .317 -.038 1 15 mon011 1627 2000 374 15 0 .867 .48 1.24 .256 .683 .433 2.56 .356 -.038 1 16 mon012 1616 2000 385 16 0 .843 .49 1.42 .310 .807 .441 2.57 .374 -.015 1 17 mon021 1509 2000 492 20 0 .848 .32 1.31 .211 .708 .567 2.46 .370 -.023 1 18 mon022 1510 2000 491 20 0 .851 .37 1.11 .202 .640 .498 2.54 .337 -.026 1 19 mon023 1491 2000 510 21 0 .885 .40 1.48 .238 .686 .484 2.50 .361 -.034 1 20 mon041 1614 2000 387 16 0 .846 .35 .87 .150 .395 .421 2.47 .313 -.018 1 21 mon042 1612 1949 338 13 0 .841 .37 .97 .183 .628 .389 2.57 .411 -.032 1 22 mon051 1588 2000 413 17 0 .901 .44 1.10 .233 .488 .567 2.56 .409 .024 1 23 mon052 1595 2000 406 17 0 .911 .46 1.20 .239 .464 .559 2.55 .424 .007 1 24 mon061 1561 2000 440 18 0 .887 .39 1.57 .265 .737 .540 2.56 .409 -.025 1 25 mon062 1590 2000 411 17 0 .902 .49 2.02 .352 .782 .522 2.52 .366 -.042 1 26 mon071 1597 2000 404 17 0 .851 .36 1.04 .185 .561 .474 2.61 .356 .006 1 27 mon072 1597 2000 404 17 0 .851 .35 1.21 .199 .607 .492 2.66 .373 -.006 1 28 mon111 1469 1985 517 21 0 .757 .52 2.29 .313 .743 .367 2.45 .297 -.044 1 29 mon112 1496 2000 505 21 0 .807 .39 1.62 .241 .745 .379 2.62 .388 -.035 1 30 mon131 1574 2000 427 18 0 .907 .50 1.51 .291 .631 .551 2.51 .333 -.006 1 31 mon132 1640 2000 361 15 0 .850 .45 1.21 .238 .407 .589 2.44 .301 -.013 1 32 mon141 1600 2000 401 16 0 .872 .39 1.36 .270 .685 .621 2.59 .409 -.023 1 33 mon142 1561 2000 440 18 0 .839 .37 1.26 .235 .601 .628 2.63 .407 -.013 1 34 mon161 1609 2000 392 16 0 .841 .45 1.24 .266 .754 .447 2.51 .367 -.020 1 35 mon162 1573 2000 428 18 0 .804 .50 1.60 .309 .781 .430 2.78 .383 -.011 1 36 mon212 1564 2000 437 18 0 .804 .38 1.89 .317 .751 .640 2.67 .372 -.012 2 37 mon261 1799 2000 202 9 0 .699 .44 1.40 .226 .803 .282 2.73 .471 .001 1 38 mon262 1719 2000 282 12 0 .800 .38 .97 .154 .685 .303 2.49 .305 -.014 1 39 mon271 1440 1995 556 21 0 .833 .36 1.67 .304 .798 .616 2.70 .344 -.023 1 40 mtr601 1746 2002 257 11 0 .798 .64 2.06 .341 .679 .390 2.71 .449 -.016 1 41 mtr602 1747 2002 256 11 0 .816 .71 2.20 .342 .615 .370 2.68 .438 -.056 1 42 mtr641 1596 2002 407 17 0 .904 .42 1.31 .239 .557 .502 2.61 .371 .024 1 43 mtr711 1660 2002 343 14 0 .801 .49 1.06 .166 .469 .281 2.68 .387 -.018 2 44 mtr712 1680 2002 323 13 0 .817 .49 1.30 .202 .525 .323 2.61 .310 -.016 1 45 mtr721 1680 2002 323 13 0 .869 .59 1.82 .310 .706 .402 2.49 .335 -.006 1 46 mtr642 1589 2002 414 17 0 .889 .36 1.08 .195 .464 .542 2.58 .308 -.002 1 47 mtr722 1597 2002 406 17 0 .856 .41 1.16 .212 .542 .499 2.52 .335 -.006 1 48 mtr751 1766 2002 237 10 0 .879 .50 1.23 .223 .385 .435 2.46 .351 .000 1 PART 7: DESCRIPTIVE STATISTICS: Montrose 14:36 Wed 21 Jun 2006 Page 12 ----------------------------------------------------------------------------------------------------------------------------------- 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 mtr752 1727 2002 276 11 0 .877 .56 2.41 .355 .586 .467 2.53 .323 .008 1 50 mtr741 1565 2002 438 18 0 .869 .52 1.68 .312 .626 .554 2.57 .364 -.009 1 51 mtr832 1770 2002 233 10 0 .818 .82 1.44 .258 .524 .254 2.35 .266 -.009 1 52 mtr831 1794 2002 209 9 0 .841 .91 2.23 .318 .466 .300 2.56 .338 -.046 1 53 mtr842 1516 2002 487 20 0 .795 .47 1.46 .252 .759 .393 2.41 .296 -.015 1 54 mtr841 1547 2002 456 19 0 .843 .44 1.34 .240 .733 .400 2.53 .369 -.015 1 55 mtr801 1479 1878 400 16 0 .889 .41 1.46 .282 .767 .517 2.52 .366 -.028 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 20961 863 0 .845 .47 2.50 .255 .638 .451 2.78 .360 -.016