Pumphouse update, Colorado - co648 Additional Information Connie A. Woodhouse Mark Losleben Jeff Lukas 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 : CO648.CRN Measurement file name : CO648.RWL Date checked : 07JUN11 Checked by : B. Bauer Beginning year : 1175 Ending year : 2002 Principal investigators: Connie A. Woodhouse Mark Losleben Jeff Lukas Site name : Pumphouse update Site location : Colorado Species information : PIED PINYON Latitude : 3958 Longitude : -10631 Elevation : 2194m Series intercorrelation: 0.821 Avg mean sensitivity : 0.400 Avg standard deviation : 0.238 Avg autocorrelation : 0.617 Number dated series : 74 Segment length tested : 50 Number problem segments: 0 Pct problem segments : 0.00 PART 5: CORRELATION OF SERIES BY SEGMENTS: Pumphouse update 16:43 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 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 --- -------- --------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 2 pum041 1586 1999 .48 .43 .54 .75 3 pum242 1550 1999 .70 .71 .74 .68 .69 4 pum221 1450 1999 .90 .94 .92 .79 .74 .86 .86 .90 .93 5 pum022 1439 1999 .74 .73 .80 .76 .76 .63 .72 .83 .83 .85 6 pum241 1530 1999 .79 .88 .81 .82 .87 .87 7 pum072 1379 1999 .75 .85 .84 .85 .89 .91 .80 .76 .81 .65 .71 .86 8 pum151 1386 1999 .67 .69 .71 .75 .85 .87 .62 .41 .73 .91 .92 .88 9 pum262 1415 1999 .71 .69 .89 .88 .84 .86 .86 .89 .90 .89 .87 10 pum122 1512 1999 .75 .72 .81 .82 .81 .89 .92 11 pum121 1414 1999 .77 .82 .77 .76 .85 .87 .87 .93 .94 .95 .94 12 pum251 1544 1999 .74 .78 .86 .90 .91 .90 13 pum111 1667 1999 .82 14 pum132 1480 1880 .65 .89 .83 .81 .81 .81 .87 .91 15 pum131 1430 1770 .85 .89 .94 .89 .82 .87 .91 .87 .77 .71 16 pum133 1452 1765 .87 .92 .92 .85 .86 .90 .88 .89 .87 17 pum162 1499 1999 .68 .73 .66 .75 .85 .84 .83 .85 19 pum231 1412 1587 .70 .69 .84 .82 .87 .76 .76 20 pum231 1620 1999 .84 .86 .90 21 pum161 1470 1999 .85 .85 .77 .71 .81 .89 .84 .86 .85 23 pum071 1410 1705 .73 .79 .85 .85 .83 .84 .87 .90 .88 .88 .89 26 pum011 1645 1999 .87 .88 27 pum021 1400 1999 .50 .56 .72 .84 .91 .82 .67 .78 .81 .82 .88 28 pum012 1593 1999 .63 .56 .66 .84 32 pum271 1538 1999 .86 .85 .93 .84 .80 .87 33 pum052 1449 1610 .90 .90 .87 .86 .88 .81 .79 34 pum141 1487 1999 .63 .81 .81 .73 .83 .92 .89 .91 35 pum142 1330 1999 .63 .56 .56 .61 .51 .55 .70 .69 .73 .68 .62 .62 .74 .85 36 pum252 1444 1620 .65 .72 .67 .69 .70 .77 .69 38 pum261 1354 1999 .52 .67 .83 .77 .48 .61 .85 .83 .81 .87 .91 .92 .94 39 pum272 1650 1999 .59 40 pum152 1398 1999 .67 .65 .61 .78 .87 .79 .70 .71 .76 .78 .88 .92 41 pum222 1386 1705 .64 .72 .84 .88 .90 .90 .87 .84 .89 .91 .92 .91 42 pum232 1422 1580 .75 .77 .79 .83 .85 .71 .76 43 pum232 1620 1999 .86 .83 .83 46 pum671 1640 2002 .61 .62 53 pum811 1596 2002 .50 .49 .70 .85 58 pum641 1618 2002 .89 .89 .90 60 pum642 1628 2002 .85 .89 61 pum682 1364 1750 .62 .75 .79 .72 .41 .58 .91 .82 .84 .88 .87 .87 .86 62 pux131 1296 1410 .42 .51 .48 .73 .59 63 pux111 1321 1530 .49 .47 .54 .72 .75 .72 .67 .65 .61 64 pux112 1315 1362 .60 65 pux082 1373 1560 .65 .64 .59 .64 .90 .92 .90 .89 66 pux081 1373 1580 .77 .76 .77 .81 .90 .86 .83 .83 .81 67 pux121 1335 1541 .49 .71 .79 .79 .80 .89 .90 .84 68 pum931 1344 1450 .50 .77 .81 .82 .81 69 pux191 1255 1382 .88 .83 .73 .55 .54 70 pux192 1254 1327 .84 .78 .78 71 pux193 1271 1360 .80 .79 .68 .62 72 pux171 1175 1271 .68 .83 .88 73 pux172 1175 1272 .68 .83 .82 74 pux172 1284 1362 .73 .67 .65 Av segment correlation .68 .83 .85 .84 .71 .64 .55 .64 .69 .72 .74 .78 .80 .83 .79 .77 .79 .81 .83 .85 PART 5: CORRELATION OF SERIES BY SEGMENTS: Pumphouse update 16:43 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 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 pum212 1721 1999 .77 .78 .75 .69 .79 .91 .94 .95 .84 .77 .90 2 pum041 1586 1999 .82 .86 .82 .80 .79 .75 .85 .87 .83 .76 .72 .72 3 pum242 1550 1999 .80 .81 .83 .83 .82 .77 .82 .77 .78 .84 .80 .84 4 pum221 1450 1999 .89 .92 .94 .90 .88 .89 .92 .91 .87 .81 .75 .82 5 pum022 1439 1999 .75 .75 .81 .75 .75 .82 .89 .86 .77 .82 .85 .76 6 pum241 1530 1999 .89 .90 .88 .85 .83 .82 .86 .90 .87 .76 .70 .84 7 pum072 1379 1999 .84 .89 .91 .93 .93 .88 .90 .94 .90 .83 .88 .90 8 pum151 1386 1999 .85 .85 .86 .83 .67 .66 .84 .85 .86 .79 .73 .77 9 pum262 1415 1999 .81 .80 .86 .84 .82 .80 .85 .86 .88 .69 .68 .82 10 pum122 1512 1999 .69 .65 .85 .87 .79 .76 .83 .84 .84 .82 .76 .85 11 pum121 1414 1999 .89 .88 .88 .71 .75 .88 .89 .88 .86 .88 .85 .86 12 pum251 1544 1999 .90 .91 .92 .91 .86 .83 .91 .88 .82 .82 .83 .86 13 pum111 1667 1999 .88 .86 .78 .82 .87 .86 .91 .90 .88 .83 .83 .86 14 pum132 1480 1880 .85 .87 .86 .77 .78 .80 .89 .90 15 pum131 1430 1770 .82 .85 .82 16 pum133 1452 1765 .81 .83 .87 17 pum162 1499 1999 .79 .81 .89 .90 .82 .76 .81 .81 .76 .72 .80 .92 18 pum112 1720 1999 .85 .83 .82 .88 .92 .92 .92 .92 .88 .80 .86 20 pum231 1620 1999 .75 .78 .91 .85 .86 .88 .90 .88 .81 .77 .83 .87 21 pum161 1470 1999 .80 .83 .87 .81 .74 .75 .86 .92 .88 .76 .81 .88 22 pum281 1838 1999 .91 .91 .86 .80 .78 .86 23 pum071 1410 1705 .89 24 pum071 1785 1999 .86 .84 .89 .90 .89 .82 .79 .81 25 pum211 1819 1999 .92 .94 .95 .93 .83 .79 .86 26 pum011 1645 1999 .86 .83 .88 .89 .88 .90 .95 .95 .94 .88 .82 .85 27 pum021 1400 1999 .82 .84 .84 .85 .82 .76 .87 .88 .82 .84 .82 .85 28 pum012 1593 1999 .88 .87 .87 .87 .88 .92 .93 .94 .95 .88 .85 .78 29 pum282 1809 1999 .71 .46 .71 .81 .81 .76 .82 30 pum062 1811 1999 .68 .78 .72 .83 .73 .67 .81 31 pum061 1811 1999 .80 .90 .87 .91 .86 .80 .87 32 pum271 1538 1999 .87 .87 .87 .86 .87 .91 .95 .90 .85 .84 .84 .91 34 pum141 1487 1999 .94 .94 .92 .83 .79 .86 .89 .92 .87 .57 .58 .82 35 pum142 1330 1999 .87 .92 .92 .90 .90 .86 .90 .93 .94 .89 .83 .87 37 pum252 1720 1999 .94 .93 .91 .78 .79 .91 .79 .74 .83 .85 .91 38 pum261 1354 1999 .84 .83 .87 .92 .86 .76 .90 .88 .89 .85 .81 .88 39 pum272 1650 1999 .85 .84 .82 .73 .69 .69 .74 .76 .78 .67 .72 .84 40 pum152 1398 1999 .83 .79 .82 .79 .80 .89 .91 .92 .90 .86 .85 .79 41 pum222 1386 1705 .89 43 pum232 1620 1999 .70 .74 .88 .77 .70 .75 .89 .87 .89 .82 .69 .84 44 pum631 1850 2002 .75 .81 .68 .63 .76 .76 45 pum661 1710 2002 .70 .65 .70 .71 .74 .85 .85 .77 .66 .74 .77 .78 46 pum671 1640 2002 .66 .74 .83 .78 .78 .81 .89 .84 .69 .70 .75 .73 .76 47 pum632 1859 2002 .84 .84 .74 .67 .75 .75 48 pum842 1790 2002 .78 .68 .74 .77 .72 .48 .56 .81 .81 49 pum831 1765 2002 .56 .59 .64 .89 .86 .87 .75 .68 .80 .80 50 pum832 1735 2002 .50 .69 .73 .79 .82 .84 .90 .74 .66 .78 .78 51 pum622 1705 2002 .83 .85 .83 .83 .87 .91 .87 .89 .81 .72 .85 .86 52 pum651 1685 2002 .76 .78 .74 .82 .80 .83 .90 .92 .90 .77 .75 .84 .86 53 pum811 1596 2002 .81 .82 .83 .79 .78 .82 .88 .89 .91 .85 .79 .76 .76 54 pum821 1739 2002 .71 .76 .79 .84 .92 .93 .92 .78 .71 .82 .81 55 pum621 1736 2002 .82 .87 .88 .88 .86 .88 .90 .85 .80 .82 .82 56 pum662 1722 2002 .72 .71 .69 .64 .71 .87 .88 .85 .81 .77 .80 .81 57 pum801 1712 2002 .67 .72 .76 .81 .71 .80 .76 .79 .85 .81 .81 .81 58 pum641 1618 2002 .86 .90 .86 .81 .86 .89 .91 .76 .76 .77 .59 .72 .71 59 pum611 1703 2002 .88 .87 .85 .85 .89 .91 .88 .91 .84 .75 .85 .84 60 pum642 1628 2002 .88 .88 .84 .83 .84 .84 .90 .78 .77 .80 .63 .68 .67 61 pum682 1364 1750 .78 .85 .82 Av segment correlation .83 .83 .83 .81 .80 .81 .87 .86 .85 .79 .76 .83 .79 PART 7: DESCRIPTIVE STATISTICS: Pumphouse update 16:43 Tue 07 Jun 2011 Page 13 ----------------------------------------------------------------------------------------------------------------------------------- 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 pum212 1721 1999 279 11 0 .839 .93 2.63 .420 .466 .372 2.59 .429 -.032 1 2 pum041 1586 1999 414 16 0 .750 .67 2.10 .343 .677 .348 2.73 .357 -.006 2 3 pum242 1550 1999 450 17 0 .798 .33 1.35 .209 .657 .478 2.61 .351 -.012 3 4 pum221 1450 1999 550 21 0 .887 .49 1.47 .240 .547 .454 2.57 .356 -.009 2 5 pum022 1439 1999 561 22 0 .815 .34 .96 .154 .529 .410 2.59 .274 -.017 3 6 pum241 1530 1999 470 18 0 .840 .42 1.21 .213 .733 .350 2.53 .334 -.001 2 7 pum072 1379 1999 621 24 0 .867 .47 1.19 .217 .546 .434 2.58 .340 -.008 3 8 pum151 1386 1999 614 24 0 .793 .38 .98 .172 .597 .415 2.50 .300 -.006 1 9 pum262 1415 1999 585 23 0 .848 .48 1.28 .226 .621 .414 2.40 .293 .016 1 10 pum122 1512 1999 488 19 0 .842 .45 1.19 .222 .737 .374 2.45 .311 -.005 3 11 pum121 1414 1999 586 23 0 .875 .32 .91 .167 .726 .401 2.54 .308 -.013 3 12 pum251 1544 1999 456 18 0 .874 .40 1.29 .220 .638 .465 2.64 .377 .017 1 13 pum111 1667 1999 333 13 0 .867 .56 1.50 .293 .669 .400 2.66 .337 -.007 1 14 pum132 1480 1880 401 16 0 .828 .36 .89 .178 .664 .437 2.46 .321 .006 1 15 pum131 1430 1770 341 13 0 .836 .45 1.25 .234 .775 .384 2.57 .336 .020 1 16 pum133 1452 1765 314 12 0 .869 .45 .99 .191 .670 .357 2.39 .320 .039 1 17 pum162 1499 1999 501 20 0 .836 .34 1.28 .179 .598 .489 2.46 .345 -.049 2 18 pum112 1720 1999 280 11 0 .881 .81 2.04 .401 .677 .317 2.50 .337 -.016 1 19 pum231 1412 1587 176 7 0 .790 .63 1.60 .297 .744 .338 2.74 .459 -.003 2 20 pum231 1620 1999 380 15 0 .867 .30 .90 .169 .582 .540 2.37 .305 -.016 1 21 pum161 1470 1999 530 21 0 .844 .31 1.21 .164 .580 .493 2.50 .369 -.019 1 22 pum281 1838 1999 162 6 0 .857 .46 1.19 .190 .523 .379 2.56 .380 -.013 1 23 pum071 1410 1705 296 12 0 .857 .51 1.66 .288 .736 .421 2.54 .341 .010 1 24 pum071 1785 1999 215 8 0 .856 .33 .73 .162 .279 .598 2.48 .380 -.029 1 25 pum211 1819 1999 181 7 0 .892 .82 1.91 .353 .314 .418 2.50 .330 -.008 1 26 pum011 1645 1999 355 14 0 .883 .64 1.62 .302 .625 .392 2.67 .404 .015 1 27 pum021 1400 1999 600 23 0 .827 .36 1.13 .184 .690 .404 2.54 .305 -.024 2 28 pum012 1593 1999 407 16 0 .842 .67 1.81 .317 .627 .381 2.56 .339 -.001 3 29 pum282 1809 1999 191 7 0 .775 .52 1.06 .214 .625 .367 2.61 .379 .019 1 30 pum062 1811 1999 189 7 0 .749 .47 .72 .142 .432 .307 2.34 .301 -.027 1 31 pum061 1811 1999 189 7 0 .858 .50 .83 .145 .298 .311 2.38 .270 -.001 1 32 pum271 1538 1999 462 18 0 .902 .29 .86 .150 .288 .636 2.59 .378 -.004 2 33 pum052 1449 1610 162 7 0 .860 .52 1.42 .272 .688 .446 2.51 .371 -.024 2 34 pum141 1487 1999 513 20 0 .819 .46 1.71 .270 .712 .442 2.52 .347 -.018 1 35 pum142 1330 1999 670 26 0 .808 .46 1.80 .281 .731 .438 2.47 .289 -.009 1 36 pum252 1444 1620 177 7 0 .707 .54 1.58 .348 .838 .364 2.45 .265 -.009 1 37 pum252 1720 1999 280 11 0 .885 .28 .65 .128 .309 .506 2.53 .391 -.035 1 38 pum261 1354 1999 646 25 0 .837 .44 .98 .184 .498 .406 2.47 .304 .008 1 39 pum272 1650 1999 350 13 0 .826 .29 .69 .159 .388 .627 2.59 .456 -.006 1 40 pum152 1398 1999 602 24 0 .804 .52 1.51 .260 .703 .402 2.54 .329 -.008 1 41 pum222 1386 1705 320 13 0 .854 .53 1.44 .293 .752 .409 2.47 .395 -.006 2 42 pum232 1422 1580 159 7 0 .774 .55 1.21 .243 .686 .338 2.62 .468 .032 1 43 pum232 1620 1999 380 15 0 .843 .36 1.04 .163 .549 .421 2.37 .298 -.019 1 44 pum631 1850 2002 153 6 0 .729 .45 .77 .125 .295 .269 2.56 .406 -.019 2 45 pum661 1710 2002 293 12 0 .741 .70 1.63 .310 .697 .279 2.73 .430 -.057 1 46 pum671 1640 2002 363 15 0 .764 .69 2.13 .355 .618 .396 2.64 .396 -.008 1 47 pum632 1859 2002 144 6 0 .783 .60 1.35 .217 .672 .231 2.61 .359 -.003 1 48 pum842 1790 2002 213 9 0 .710 .45 1.11 .179 .535 .326 2.60 .344 -.027 1 PART 7: DESCRIPTIVE STATISTICS: Pumphouse update 16:43 Tue 07 Jun 2011 Page 14 ----------------------------------------------------------------------------------------------------------------------------------- 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 pum831 1765 2002 238 10 0 .753 .68 1.89 .273 .580 .318 2.59 .383 -.014 1 50 pum832 1735 2002 268 11 0 .732 .61 1.84 .278 .643 .313 2.63 .373 -.016 1 51 pum622 1705 2002 298 12 0 .846 .59 1.51 .256 .626 .300 2.74 .369 -.009 1 52 pum651 1685 2002 318 13 0 .821 .50 1.60 .282 .777 .352 2.63 .416 -.030 1 53 pum811 1596 2002 407 17 0 .783 .71 2.15 .335 .654 .347 2.52 .266 -.002 5 54 pum821 1739 2002 264 11 0 .830 .93 2.33 .422 .455 .383 2.53 .379 -.007 1 55 pum621 1736 2002 267 11 0 .859 .64 1.60 .268 .577 .294 2.65 .416 -.014 1 56 pum662 1722 2002 281 12 0 .782 .65 1.64 .270 .653 .279 2.60 .374 -.023 1 57 pum801 1712 2002 291 12 0 .766 .67 1.57 .312 .730 .301 2.58 .329 -.020 1 58 pum641 1618 2002 385 16 0 .802 .55 1.66 .255 .662 .324 2.57 .327 .010 1 59 pum611 1703 2002 300 12 0 .863 .63 1.66 .312 .686 .346 2.71 .387 -.006 1 60 pum642 1628 2002 375 15 0 .809 .62 1.53 .253 .576 .291 2.67 .420 .035 1 61 pum682 1364 1750 387 16 0 .781 .33 1.37 .252 .808 .479 2.46 .337 .004 2 62 pux131 1296 1410 115 5 0 .611 .56 1.62 .324 .748 .382 2.57 .316 -.033 1 63 pux111 1321 1530 210 9 0 .652 .62 1.87 .285 .771 .275 2.50 .316 .008 2 64 pux112 1315 1362 48 1 0 .601 .49 .99 .217 .799 .243 2.60 .550 .026 1 65 pux082 1373 1560 188 8 0 .805 .42 1.02 .169 .489 .352 2.42 .298 .027 1 66 pux081 1373 1580 208 9 0 .826 .39 .80 .178 .559 .424 2.36 .299 .031 1 67 pux121 1335 1541 207 8 0 .776 .57 1.57 .286 .809 .287 2.35 .333 -.001 1 68 pum931 1344 1450 107 5 0 .703 .59 1.16 .238 .644 .318 2.51 .413 .005 1 69 pux191 1255 1382 128 5 0 .742 .56 1.39 .297 .744 .322 2.53 .396 .007 1 70 pux192 1254 1327 74 3 0 .832 .88 1.79 .317 .548 .278 2.34 .305 -.035 1 71 pux193 1271 1360 90 4 0 .725 .59 1.28 .257 .781 .262 2.68 .537 .032 1 72 pux171 1175 1271 97 3 0 .808 .36 .74 .132 .379 .372 2.45 .386 -.023 2 73 pux172 1175 1272 98 3 0 .824 .30 .57 .110 .264 .414 2.46 .348 -.039 2 74 pux172 1284 1362 79 3 0 .686 .28 .65 .125 .568 .382 2.71 .429 .035 1 --- -------- --------- ----- ----- ----- ------ ----- ----- ----- ----- ----- ----- ----- ----- -- Total or mean: 23730 939 0 .821 .49 2.63 .238 .617 .400 2.74 .347 -.007