Peak to Peak, Colorado, USA - CO619 Additional information Connie A. Woodhouse Peter M. Brown 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 : CO619.CRN Measurement file name : CO619.RWL Date checked : 21JUN06 Checked by : B. Bauer Beginning year : 1192 Ending year : 2000 Principal investigators: Connie A. Woodhouse Peter M. Brown Jeff Lukas Site name : Peak to Peak Site location : Colorado Species information : PSME DOUGLAS-FIR Latitude : 4001 Longitude : -10531 Elevation : 2746m Series intercorrelation: 0.759 Avg mean sensitivity : 0.305 Avg standard deviation : 0.184 Avg autocorrelation : 0.715 Number dated series : 32 Segment length tested : 50 Number problem segments: 1 Pct problem segments : 0.24 PART 5: CORRELATION OF SERIES BY SEGMENTS: Peak to Peak 14:44 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 1175 1200 1225 1250 1275 1300 1325 1350 1375 1400 1425 1450 1475 1500 1525 1550 1575 1600 1625 1650 1224 1249 1274 1299 1324 1349 1374 1399 1424 1449 1474 1499 1524 1549 1574 1599 1624 1649 1674 1699 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ptp022 1339 1836 .81 .85 .83 .87 .78 .81 .91 .90 .86 .76 .77 .88 .88 .85 2 ptp021 1220 1281 .79 .80 .82 3 ptp021 1341 1879 .70 .80 .73 .79 .81 .85 .92 .94 .91 .85 .89 .91 .81 .76 4 ppx071 1201 1420 .64 .84 .86 .85 .80 .76 .83 .86 5 ppx071 1427 1660 .71 .80 .84 .80 .80 .69 .75 .86 .85 6 ppx072 1201 1640 .64 .68 .71 .78 .72 .76 .87 .86 .77 .68 .77 .86 .82 .75 .69 .79 .86 7 pp2211 1630 1999 .83 .79 8 pp2131 1321 2000 .79 .81 .83 .81 .78 .75 .82 .87 .88 .88 .75 .81 .88 .88 .85 9 pp2132 1319 1770 .77 .81 .86 .84 .83 .78 .76 .82 .88 .85 .83 .88 .86 .91 .91 10 pp2212 1617 1979 .81 .81 .70 11 pp2221 1644 2000 .62 .60 13 ptp211 1644 1997 .80 .79 14 ptp271 1520 1997 .73 .70 .64 .74 .79 .62 .31B 15 ppx101 1275 1660 .65 .82 .77 .79 .82 .79 .67 .73 .83 .81 .80 .70 .81 .78 .71 16 ppx102 1275 1580 .72 .83 .84 .87 .84 .77 .66 .74 .86 .82 .76 .70 17 ptp061 1417 1734 .58 .51 .61 .78 .79 .88 .82 .84 .85 .72 .58 18 ptp062 1480 1667 .86 .85 .81 .69 .74 .81 .78 19 ptp051 1516 1983 .71 .66 .74 .63 .66 .84 .69 20 ptp052 1512 1960 .69 .56 .56 .57 .64 .83 .77 21 ptp171 1601 1997 .61 .72 .78 22 ptp071 1498 1997 .71 .72 .75 .52 .55 .71 .77 .75 25 ptp072 1482 1874 .76 .69 .74 .70 .61 .56 .60 .65 28 ppx061 1198 1490 .49 .50 .80 .87 .76 .77 .82 .73 .69 .72 .57 .62 29 ppx063 1498 1665 .71 .73 .66 .62 .81 .81 .74 30 ppx062 1192 1330 .51 .51 .76 .81 .72 .74 31 ppx091 1243 1415 .75 .78 .84 .86 .80 .80 .76 32 ppx092 1243 1415 .68 .65 .65 .77 .63 .73 .74 Av segment correlation .50 .62 .76 .79 .75 .79 .77 .82 .80 .77 .69 .75 .82 .80 .77 .70 .75 .78 .77 .72 PART 5: CORRELATION OF SERIES BY SEGMENTS: Peak to Peak 14:44 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 1675 1700 1725 1750 1775 1800 1825 1850 1875 1900 1925 1950 1975 1724 1749 1774 1799 1824 1849 1874 1899 1924 1949 1974 1999 2024 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 1 ptp022 1339 1836 .84 .82 .75 .76 .66 .67 3 ptp021 1341 1879 .84 .81 .73 .81 .81 .83 .87 .79 7 pp2211 1630 1999 .79 .84 .73 .83 .83 .76 .85 .88 .68 .69 .85 .67 8 pp2131 1321 2000 .82 .85 .82 .85 .84 .81 .81 .80 .67 .64 .77 .69 .67 9 pp2132 1319 1770 .85 .86 .80 10 pp2212 1617 1979 .65 .78 .74 .78 .71 .68 .72 .75 .70 .71 .82 .80 11 pp2221 1644 2000 .63 .70 .67 .83 .88 .88 .85 .83 .70 .73 .88 .81 .80 12 pp2222 1706 2000 .83 .71 .83 .86 .85 .84 .82 .60 .64 .79 .62 .62 13 ptp211 1644 1997 .80 .83 .75 .78 .75 .77 .79 .67 .52 .66 .81 .73 14 ptp271 1520 1997 .44 .67 .55 .74 .84 .82 .78 .82 .71 .69 .82 .61 17 ptp061 1417 1734 .61 .73 19 ptp051 1516 1983 .64 .83 .84 .75 .68 .76 .84 .80 .56 .62 .83 .77 20 ptp052 1512 1960 .73 .74 .72 .76 .62 .61 .80 .84 .65 .70 .71 21 ptp171 1601 1997 .74 .64 .46 .60 .61 .73 .82 .82 .82 .81 .82 .80 22 ptp071 1498 1997 .84 .87 .76 .79 .82 .84 .84 .75 .62 .72 .75 .63 23 ptp182 1823 1997 .81 .78 .77 .72 .78 .56 .46 24 ptp181 1816 1997 .73 .63 .68 .71 .80 .88 .86 25 ptp072 1482 1874 .86 .87 .71 .70 .77 .83 .86 26 ptp202 1678 1810 .83 .83 .67 .68 .68 27 ptp202 1859 1997 .57 .46 .66 .77 .63 Av segment correlation .75 .80 .71 .77 .76 .77 .80 .77 .65 .70 .79 .70 .70 PART 7: DESCRIPTIVE STATISTICS: Peak to Peak 14:44 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 () --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- 1 ptp022 1339 1836 498 20 0 .812 .29 .92 .166 .588 .430 2.77 .385 -.006 1 2 ptp021 1220 1281 62 3 0 .792 .59 1.39 .297 .741 .312 2.55 .435 .014 1 3 ptp021 1341 1879 539 22 0 .827 .31 .95 .153 .670 .323 2.64 .381 -.016 1 4 ppx071 1201 1420 220 8 0 .799 .22 1.05 .163 .737 .452 2.73 .459 -.003 1 5 ppx071 1427 1660 234 9 0 .787 .13 .32 .062 .499 .405 2.72 .451 -.037 2 6 ppx072 1201 1640 440 17 0 .760 .24 1.07 .190 .833 .363 2.54 .344 -.009 1 7 pp2211 1630 1999 370 14 0 .778 .41 1.09 .145 .645 .237 2.56 .339 -.017 1 8 pp2131 1321 2000 680 28 0 .816 .21 .72 .098 .566 .391 2.73 .389 -.016 1 9 pp2132 1319 1770 452 18 0 .834 .35 .92 .168 .635 .347 2.63 .340 .009 1 10 pp2212 1617 1979 363 15 0 .739 .35 .84 .163 .786 .226 2.53 .328 -.015 1 11 pp2221 1644 2000 357 15 0 .768 .55 2.08 .259 .656 .260 2.63 .414 -.026 1 12 pp2222 1706 2000 295 12 0 .761 .47 1.00 .162 .612 .240 2.65 .443 -.020 1 13 ptp211 1644 1997 354 14 0 .748 .54 1.83 .281 .767 .258 2.52 .346 .007 1 14 ptp271 1520 1997 478 19 1 .673 .49 1.63 .299 .848 .260 2.63 .343 -.022 1 15 ppx101 1275 1660 386 15 0 .760 .30 1.41 .203 .866 .279 2.58 .389 -.022 1 16 ppx102 1275 1580 306 12 0 .764 .30 1.70 .191 .839 .254 2.73 .407 -.006 1 17 ptp061 1417 1734 318 13 0 .758 .30 1.02 .184 .848 .304 2.55 .322 .011 1 18 ptp062 1480 1667 188 7 0 .824 .30 .74 .150 .774 .286 2.46 .346 .018 1 19 ptp051 1516 1983 468 19 0 .731 .38 .88 .142 .689 .228 2.73 .429 -.026 1 20 ptp052 1512 1960 449 18 0 .705 .41 1.09 .159 .701 .222 2.69 .366 -.013 1 21 ptp171 1601 1997 397 15 0 .719 .28 1.29 .171 .765 .322 2.58 .314 -.013 1 22 ptp071 1498 1997 500 20 0 .727 .56 1.53 .225 .703 .251 2.60 .296 .000 1 23 ptp182 1823 1997 175 7 0 .695 .39 1.18 .209 .711 .357 2.69 .542 -.059 1 24 ptp181 1816 1997 182 7 0 .770 .37 1.03 .159 .502 .333 2.68 .376 -.044 1 25 ptp072 1482 1874 393 15 0 .731 .52 1.69 .265 .801 .250 2.67 .382 -.028 1 26 ptp202 1678 1810 133 5 0 .747 .66 1.62 .289 .738 .257 2.65 .456 .006 1 27 ptp202 1859 1997 139 5 0 .621 .29 .59 .091 .471 .257 2.74 .502 .002 1 28 ppx061 1198 1490 293 12 0 .740 .20 1.10 .205 .881 .395 2.79 .325 -.003 1 29 ppx063 1498 1665 168 7 0 .759 .22 .58 .110 .728 .351 2.48 .338 -.046 1 30 ppx062 1192 1330 139 6 0 .718 .42 2.60 .473 .927 .337 2.56 .316 .003 2 31 ppx091 1243 1415 173 7 0 .787 .23 .72 .111 .653 .315 2.61 .384 -.009 1 32 ppx092 1243 1415 173 7 0 .717 .22 .75 .131 .791 .310 2.58 .300 -.015 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 10322 411 1 .759 .36 2.60 .184 .715 .305 2.79 .373 -.013