(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 08-31 to 12-29 Historical Observations Month FCST %Avg 90% 50% 10% Dec 5318 99 4402 5371 6746 Aug 145 82 128 177 218 Sep 4250 90 3726 4725 5902 Oct 3878 87 3536 4480 5634 Nov 3575 78 3693 4606 5766 Total 17166 89 15483 19360 24266 Historical Observations mm-dd FCST 90% 50% 10% 08-31 73227 64550 89450 109700 09-01 73844 62930 85800 109400 09-02 74810 62000 82000 105500 09-03 75227 64670 80150 101900 09-04 75995 59640 79550 99810 09-05 75918 58000 81950 101800 09-06 73912 57950 83100 104900 09-07 73285 58380 81650 104000 09-08 72376 61710 81200 103900 09-09 72359 62950 81550 100900 09-10 72050 63100 80250 102700 09-11 71677 63420 81850 102900 09-12 71489 64450 78200 102560 09-13 71362 63760 78350 101000 09-14 71282 64610 80700 101900 09-15 71243 64780 78900 99190 09-16 71249 62530 79550 96010 09-17 71228 59500 77850 96030 09-18 71283 62350 77300 98820 09-19 71426 64450 77900 96270 09-20 71554 67100 79150 100560 09-21 71597 61970 78400 100880 09-22 71533 64040 78000 96550 09-23 71422 60730 78300 97890 09-24 71315 61850 79750 97860 09-25 71318 64580 77900 92420 09-26 69981 66020 76950 92370 09-27 65560 65220 76200 89940 09-28 65573 63320 76550 94640 09-29 65625 64520 77150 93760 09-30 65705 58260 76800 89980 10-01 65594 57920 74700 97460 10-02 68835 54970 75000 92760 10-03 71504 57820 74200 97160 10-04 61345 59000 71000 95730 10-05 60855 58960 73500 104430 10-06 60424 57810 72900 101780 10-07 60257 58020 72050 106040 10-08 60279 58070 69400 100340 10-09 60328 60010 70800 86330 10-10 60438 59970 71700 87800 10-11 60571 57530 72050 86640 10-12 60915 59830 70950 92870 10-13 61149 58480 70800 88280 10-14 61223 56370 71250 91830 10-15 61604 54530 72050 89990 10-16 62062 56100 72500 80840 10-17 62449 59060 71900 86720 10-18 62896 55610 70000 85560 10-19 63142 60620 71950 86240 10-20 63317 58060 74150 84440 10-21 63636 59420 74600 85160 10-22 64065 59160 74100 86440 10-23 64464 58360 73800 87790 10-24 64653 56810 73400 86430 10-25 64611 57040 74950 87840 10-26 64546 57930 76450 86520 10-27 64488 58310 74550 92450 10-28 64153 54550 74000 94650 10-29 63916 53860 71900 92310 10-30 63913 52530 73000 98010 10-31 63750 56200 75850 100330 11-01 63673 56570 75000 91600 11-02 63488 58230 77000 92060 11-03 63607 62410 76000 96670 11-04 63723 61640 80150 99200 11-05 63856 60670 78450 93460 11-06 64216 63140 77400 92310 11-07 64084 59130 76850 90600 11-08 64251 60910 73200 91620 11-09 64101 63820 72900 88300 11-10 63780 57920 72950 90670 11-11 63556 60200 71650 87580 11-12 63511 56810 73250 86890 11-13 63548 56630 72100 94400 11-14 63720 62060 75300 94720 11-15 63459 58050 76550 96580 11-16 57611 58790 75650 94920 11-17 55983 60680 77500 99240 11-18 57504 55370 77550 101480 11-19 57622 57320 77000 101610 11-20 57328 62840 78900 103700 11-21 57083 65580 81550 103520 11-22 56872 61370 79400 99960 11-23 56598 62730 80700 93780 11-24 56301 63670 79050 100000 11-25 56104 63230 78200 100900 11-26 55882 67400 82500 105900 11-27 55584 69050 84300 104700 11-28 55388 73170 81250 108300 11-29 55291 71120 80400 104900 11-30 55133 71670 80000 98350 12-01 63326 75020 82850 106890 12-02 91376 72380 86850 110600 12-03 92961 75470 90300 110900 12-04 93609 77820 94350 110700 12-05 94046 80020 91050 116700 12-06 94004 78660 91250 118700 12-07 93917 78770 89700 120200 12-08 93837 78740 92250 118600 12-09 93747 77430 92850 120800 12-10 93649 79220 94950 121000 12-11 93572 79510 95550 122800 12-12 93275 80990 96000 119800 12-13 93027 82930 98250 123900 12-14 93063 80930 99550 122700 12-15 92952 79600 95600 120900 12-16 92814 76440 95450 118900 12-17 92737 77750 96500 120800 12-18 92627 80350 97000 119900 12-19 92960 77970 97250 123000 12-20 94323 78400 97500 122700 12-21 94237 78820 96650 119700 12-22 94168 74720 95100 113900 12-23 94110 70760 94300 115500 12-24 94051 71460 90500 113000 12-25 93979 68420 91850 112900 12-26 93908 70540 91400 111900 12-27 93874 74370 91050 112400 12-28 93843 73490 91550 112900 12-29 93809 68690 91150 119000