Eagle 11, Colorado - co644 Additional Information Connie Woodhouse Mark Losleben Jeff Lukas Kurt Chowanski Purpose of Collection: Climatology - Snowpack reconstruction Reference: Pederson, G.T., S.T. Gray, C.A. Woodhouse, J.L. Betancourt, D.B. Fagre, J.S. Littell, E. Watson, B.H. Luckman, and L.J. Graumlich. 2011. The unusual nature of recent snowpack declines in the North American Cordillera. Sciencexpress, Published online 9 June 2011. DOI: 10.1126/science.1201570 COFECHA output: Chronology file name : CO644.CRN Measurement file name : CO644.RWL Date checked : 07JUN11 Checked by : B. Bauer Beginning year : 379 Ending year : 2004 Principal investigators: Connie Woodhouse Mark Losleben Jeff Lukas Kurt Chowanski Site name : Eagle 11 Site location : Colorado Species information : PSME DOUGLAS-FIR Latitude : 3923 Longitude : -10510 Elevation : 1950M Series intercorrelation: 0.839 Avg mean sensitivity : 0.368 Avg standard deviation : 0.254 Avg autocorrelation : 0.748 Number dated series : 47 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Eagle v.11 16:39 Tue 07 Jun 2011 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 375 400 425 450 475 500 525 550 575 600 625 650 675 700 725 750 775 800 825 850 424 449 474 499 524 549 574 599 624 649 674 699 724 749 774 799 824 849 874 899 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 41 egx032 854 1190 .75 44 egx311 678 1209 .78 .79 .76 .88 .91 .92 .91 .87 45 egx312 767 1114 .90 .93 .92 .91 .88 46 egx011 388 795 .87 .87 .88 .88 .94 .96 .93 .92 .94 .94 .88 .88 .84 .78 .72 .80 47 egx012 379 687 .87 .87 .88 .88 .94 .96 .93 .92 .94 .94 .88 .86 Av segment correlation .87 .87 .88 .88 .94 .96 .93 .92 .94 .94 .88 .87 .81 .78 .74 .86 .92 .92 .91 .84 PART 5: CORRELATION OF SERIES BY SEGMENTS: Eagle v.11 16:39 Tue 07 Jun 2011 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 875 900 925 950 975 1000 1025 1050 1075 1100 1125 1150 1175 1200 1225 1250 1275 1300 1325 1350 924 949 974 999 1024 1049 1074 1099 1124 1149 1174 1199 1224 1249 1274 1299 1324 1349 1374 1399 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 27 egl194 1373 1513 .84 29 egl151 1363 2004 .89 30 egl021 1373 2004 .79 31 egl111 1361 2004 .76 33 egl202 1289 1605 .83 .86 .86 .87 34 egl211 1242 1933 .90 .88 .89 .83 .81 .86 35 egl201 1197 1570 .87 .89 .83 .85 .90 .90 .86 .85 36 egx071 1124 1272 .80 .80 .77 .81 .90 .91 37 egx071 1122 1386 .81 .82 .82 .85 .90 .89 .83 .87 .80 .89 .91 38 egx051 1053 1269 .90 .91 .91 .90 .91 .92 .76 .38 39 egx052 1053 1290 .91 .93 .93 .92 .92 .90 .92 .92 .87 40 egx031 887 1208 .85 .87 .90 .91 .93 .94 .90 .83 .81 .84 .81 .75 .75 41 egx032 854 1190 .76 .76 .86 .92 .93 .90 .89 .88 .85 .85 .78 .75 42 egx041 938 1351 .83 .85 .94 .94 .93 .93 .85 .85 .91 .92 .91 .84 .85 .92 .89 .56 .58 43 egx042 985 1385 .80 .81 .91 .91 .90 .88 .90 .93 .91 .88 .86 .87 .91 .89 .85 .85 44 egx311 678 1209 .90 .92 .77 .65 .90 .88 .87 .89 .87 .91 .82 .77 .80 45 egx312 767 1114 .89 .86 .89 .93 .93 .94 .94 .93 .87 Av segment correlation .85 .85 .85 .85 .91 .90 .91 .90 .88 .86 .85 .84 .86 .87 .82 .87 .88 .81 .81 .85 PART 5: CORRELATION OF SERIES BY SEGMENTS: Eagle v.11 16:39 Tue 07 Jun 2011 Page 7 ----------------------------------------------------------------------------------------------------------------------------------- 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 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 2 egl122 1869 2004 .74 3 egl171 1716 2004 .88 .87 .91 .91 .84 .83 .73 4 egl172 1710 2004 .75 .87 .89 .88 .88 .79 .75 5 egl042 1727 2004 .87 .93 .89 .84 .85 .76 6 egl141 1626 2004 .78 .81 .89 .84 .75 .83 .79 .80 .79 .76 7 egl142 1646 2004 .78 .77 .89 .85 .78 .84 .79 .79 .80 .78 8 egl231 1645 1867 .82 .82 .68 .56 .70 .78 .73 .80 .86 9 egl232 1606 2004 .81 .74 .73 .70 .71 .76 .83 .83 .84 .87 .79 10 egl051 1547 2004 .82 .83 .81 .84 .87 .88 .93 .94 .92 .94 .93 .90 .91 .74 11 egl052 1600 1861 .80 .84 .87 .73 .80 .93 .93 .90 .90 .87 12 egl262 1547 2004 .73 .76 .63 .57 .77 .82 .74 .73 .85 .93 .83 .76 .87 .83 13 egl241 1490 2004 .79 .85 .90 .84 .75 .64 .67 .77 .79 .73 .79 .85 .78 .74 .80 .75 14 egl242 1537 2004 .88 .83 .77 .76 .74 .73 .74 .74 .82 .79 .74 .81 .79 .69 15 egl251 1491 2004 .77 .79 .79 .78 .79 .75 .79 .84 .89 .85 .80 .87 .82 .77 .79 .73 16 egl011 1465 1980 .73 .78 .85 .80 .83 .80 .68 .75 .83 .85 .78 .82 .91 .89 .86 .87 .83 17 egl131 1427 2004 .79 .85 .86 .91 .87 .81 .82 .87 .92 .90 .89 .89 .93 .94 .89 .83 .87 .85 18 egl132 1433 2004 .78 .87 .89 .89 .82 .81 .88 .87 .90 .94 .89 .89 .92 .90 .86 .87 .90 .85 19 egl261 1547 2004 .66 .73 .83 .79 .85 .86 .87 .88 .93 .89 .81 .83 .84 .77 20 egl161 1405 2004 .83 .84 .89 .87 .80 .77 .81 .82 .88 .90 .79 .74 .88 .88 .78 .80 .84 .63 .54 21 egl162 1380 1850 .85 .80 .82 .90 .90 .84 .87 .83 .74 .82 .89 .89 .77 .83 .91 .86 .88 .91 .89 22 egl112 1397 2004 .77 .80 .87 .90 .88 .91 .93 .91 .91 .91 .92 .91 .84 .88 .92 .92 .87 .87 .90 .75 23 egl022 1397 2004 .90 .89 .91 .88 .83 .88 .81 .84 .85 .83 .76 .69 .89 .93 .92 .88 .86 .89 .93 .88 24 egl061 1386 1850 .87 .84 .87 .93 .94 .92 .90 .86 .84 .85 .84 .85 .79 .78 .84 .77 .69 .76 .76 25 egl062 1395 2004 .88 .87 .86 .90 .89 .91 .93 .89 .86 .82 .83 .85 .90 .91 .92 .90 .83 .79 .76 .67 26 egl191 1393 1610 .86 .85 .87 .90 .87 .84 .88 .88 .90 27 egl194 1373 1513 .84 .83 .83 .92 .92 28 egl195 1489 1574 .92 .90 .83 29 egl151 1363 2004 .87 .88 .92 .93 .87 .91 .89 .88 .86 .87 .93 .92 .95 .92 .89 .95 .92 .88 .89 .86 30 egl021 1373 2004 .78 .82 .84 .84 .82 .85 .87 .90 .88 .83 .84 .83 .84 .89 .90 .91 .90 .88 .90 .84 31 egl111 1361 2004 .73 .67 .79 .84 .88 .91 .91 .91 .78 .76 .79 .81 .88 .89 .93 .94 .89 .88 .93 .82 32 egl012 1375 2004 .68 .59 .64 .70 .78 .82 .77 .77 .73 .73 .82 .85 .88 .84 .86 .92 .88 .88 .94 .88 33 egl202 1289 1605 .81 .78 .83 .80 .74 .83 .86 .85 .85 34 egl211 1242 1933 .88 .84 .88 .87 .83 .89 .87 .87 .82 .73 .77 .80 .82 .86 .90 .95 .95 .92 .89 .82 35 egl201 1197 1570 .79 .75 .79 .77 .70 .84 .85 Av segment correlation .82 .80 .83 .86 .84 .87 .84 .84 .81 .79 .82 .83 .83 .83 .86 .88 .85 .84 .85 .78 PART 5: CORRELATION OF SERIES BY SEGMENTS: Eagle v.11 16:39 Tue 07 Jun 2011 Page 8 ----------------------------------------------------------------------------------------------------------------------------------- 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 egl121 1892 2004 .69 .74 .74 .80 .75 2 egl122 1869 2004 .76 .83 .87 .82 .76 3 egl171 1716 2004 .73 .83 .83 .85 .79 4 egl172 1710 2004 .77 .81 .85 .86 .79 5 egl042 1727 2004 .71 .79 .89 .91 .84 6 egl141 1626 2004 .78 .85 .90 .90 .88 7 egl142 1646 2004 .78 .80 .90 .92 .87 9 egl232 1606 2004 .76 .77 .74 .84 .86 10 egl051 1547 2004 .50 .64 .80 .83 .77 12 egl262 1547 2004 .81 .91 .93 .94 .92 13 egl241 1490 2004 .69 .77 .86 .89 .82 14 egl242 1537 2004 .72 .80 .86 .89 .86 15 egl251 1491 2004 .59 .68 .80 .77 .70 16 egl011 1465 1980 .63 .67 .78 .78 17 egl131 1427 2004 .79 .84 .89 .91 .88 18 egl132 1433 2004 .84 .86 .88 .91 .86 19 egl261 1547 2004 .76 .82 .86 .90 .89 20 egl161 1405 2004 .72 .84 .86 .85 .80 22 egl112 1397 2004 .75 .88 .89 .90 .90 23 egl022 1397 2004 .72 .73 .85 .90 .87 25 egl062 1395 2004 .63 .79 .87 .88 .88 29 egl151 1363 2004 .86 .84 .89 .95 .93 30 egl021 1373 2004 .71 .80 .87 .88 .81 31 egl111 1361 2004 .80 .88 .88 .88 .90 32 egl012 1375 2004 .85 .81 .83 .86 .75 34 egl211 1242 1933 .68 .70 Av segment correlation .73 .80 .85 .87 .84 PART 7: DESCRIPTIVE STATISTICS: Eagle v.11 16:39 Tue 07 Jun 2011 Page 17 ----------------------------------------------------------------------------------------------------------------------------------- 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 egl121 1892 2004 113 5 0 .732 1.83 4.01 .744 .769 .230 2.46 .452 -.041 1 2 egl122 1869 2004 136 6 0 .801 1.93 3.50 .698 .708 .240 2.49 .407 -.023 1 3 egl171 1716 2004 289 12 0 .844 .32 1.02 .212 .779 .428 2.55 .363 -.036 2 4 egl172 1710 2004 295 12 0 .831 .25 1.01 .169 .807 .415 2.45 .288 -.050 2 5 egl042 1727 2004 278 11 0 .859 .59 2.52 .357 .617 .418 2.69 .358 -.044 1 6 egl141 1626 2004 379 15 0 .826 .46 1.56 .256 .685 .362 2.59 .323 .005 1 7 egl142 1646 2004 359 15 0 .811 .49 1.78 .255 .670 .347 2.42 .216 -.031 2 8 egl231 1645 1867 223 9 0 .746 .62 1.70 .307 .642 .351 2.61 .424 -.008 1 9 egl232 1606 2004 399 16 0 .787 .45 1.97 .318 .837 .354 2.64 .355 -.003 1 10 egl051 1547 2004 458 19 0 .836 .42 2.46 .300 .815 .335 2.53 .332 -.050 2 11 egl052 1600 1861 262 10 0 .845 .45 1.60 .259 .804 .320 2.58 .410 -.034 5 12 egl262 1547 2004 458 19 0 .812 .40 1.40 .227 .816 .301 2.56 .402 -.045 1 13 egl241 1490 2004 515 21 0 .779 .51 1.95 .215 .729 .262 2.58 .329 -.039 1 14 egl242 1537 2004 468 19 0 .783 .43 1.43 .166 .650 .265 2.55 .312 -.051 1 15 egl251 1491 2004 514 21 0 .763 .32 1.75 .209 .781 .335 2.47 .276 -.013 1 16 egl011 1465 1980 516 21 0 .788 .38 1.75 .257 .723 .391 2.77 .396 -.051 5 17 egl131 1427 2004 578 23 0 .867 .48 1.68 .283 .819 .306 2.51 .240 -.025 2 18 egl132 1433 2004 572 23 0 .878 .42 1.53 .274 .837 .332 2.46 .294 -.004 1 19 egl261 1547 2004 458 19 0 .829 .51 1.26 .212 .711 .277 2.52 .351 -.028 1 20 egl161 1405 2004 600 24 0 .826 .24 1.11 .175 .826 .362 2.65 .309 -.026 9 21 egl162 1380 1850 471 19 0 .860 .28 1.43 .238 .865 .399 2.50 .292 -.042 5 22 egl112 1397 2004 608 25 0 .880 .31 .96 .153 .642 .369 2.38 .242 -.017 1 23 egl022 1397 2004 608 25 0 .851 .45 1.81 .295 .792 .350 2.47 .267 -.045 7 24 egl061 1386 1850 465 19 0 .838 .42 1.88 .330 .865 .352 2.57 .319 -.024 2 25 egl062 1395 2004 610 25 0 .851 .35 1.62 .224 .809 .328 2.50 .324 -.012 2 26 egl191 1393 1610 218 9 0 .868 .48 2.31 .385 .828 .388 2.93 .509 -.028 4 27 egl194 1373 1513 141 6 0 .875 .85 2.91 .590 .867 .358 2.67 .390 -.040 2 28 egl195 1489 1574 86 3 0 .864 .35 1.00 .210 .585 .469 2.63 .517 .031 1 29 egl151 1363 2004 642 26 0 .901 .48 2.17 .317 .827 .327 2.47 .280 -.014 2 30 egl021 1373 2004 632 26 0 .862 .47 3.96 .481 .898 .365 2.70 .291 -.030 8 31 egl111 1361 2004 644 26 0 .858 .35 1.34 .216 .698 .398 2.51 .264 -.016 1 32 egl012 1375 2004 630 25 0 .805 .34 1.14 .190 .689 .402 2.50 .291 -.029 5 33 egl202 1289 1605 317 13 0 .840 .24 .75 .132 .634 .454 2.54 .324 -.009 1 34 egl211 1242 1933 692 28 0 .849 .30 .99 .162 .609 .423 2.52 .223 -.030 2 35 egl201 1197 1570 374 15 0 .848 .30 1.02 .177 .698 .460 2.55 .367 -.027 1 36 egx071 1124 1272 149 6 0 .827 .79 2.53 .442 .770 .318 2.47 .368 -.065 1 37 egx071 1122 1386 265 11 0 .856 .53 2.10 .401 .851 .389 2.46 .341 -.041 1 38 egx051 1053 1269 217 8 0 .735 .37 1.28 .239 .628 .394 2.58 .341 -.039 1 39 egx052 1053 1290 238 9 0 .914 .32 1.53 .251 .641 .504 2.64 .369 -.064 1 40 egx031 887 1208 322 13 0 .864 .28 1.03 .161 .697 .346 2.61 .351 -.056 2 41 egx032 854 1190 337 13 0 .829 .27 .99 .146 .710 .325 2.60 .304 -.051 2 42 egx041 938 1351 414 17 0 .838 .34 1.46 .256 .756 .433 2.69 .422 -.036 1 43 egx042 985 1385 401 16 0 .856 .34 2.14 .306 .813 .442 2.63 .388 -.046 1 44 egx311 678 1209 532 21 0 .845 .26 1.17 .189 .753 .470 2.57 .399 -.066 2 45 egx312 767 1114 348 14 0 .894 .36 1.30 .239 .662 .490 2.71 .384 -.057 3 46 egx011 388 795 408 16 0 .870 .40 1.14 .201 .649 .383 2.56 .363 -.017 1 47 egx012 379 687 309 12 0 .909 .39 .94 .168 .549 .365 2.54 .424 -.040 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 18948 766 0 .839 .41 4.01 .254 .748 .368 2.93 .326 -.031