(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 09-07 to 01-05 Historical Observations Month FCST %Avg 90% 50% 10% Jan 934 108 679 863 1158 Sep 3065 82 3001 3749 4666 Oct 3765 84 3536 4480 5634 Nov 3995 87 3693 4606 5766 Dec 5837 102 4686 5730 7210 Total 17596 91 15595 19428 24435 Historical Observations mm-dd FCST 90% 50% 10% 09-07 64561 58380 81650 104000 09-08 65980 61710 81200 103900 09-09 68079 62950 81550 100900 09-10 68688 63100 80250 102700 09-11 68529 63420 81850 102900 09-12 67568 64450 78200 102560 09-13 65591 63760 78350 101000 09-14 65322 64610 80700 101900 09-15 65092 64780 78900 99190 09-16 65112 62530 79550 96010 09-17 65122 59500 77850 96030 09-18 65083 62350 77300 98820 09-19 64967 64450 77900 96270 09-20 64291 67100 79150 100560 09-21 64228 61970 78400 100880 09-22 63878 64040 78000 96550 09-23 63398 60730 78300 97890 09-24 63249 61850 79750 97860 09-25 63250 64580 77900 92420 09-26 62562 66020 76950 92370 09-27 60298 65220 76200 89940 09-28 60223 63320 76550 94640 09-29 60204 64520 77150 93760 09-30 60254 58260 76800 89980 10-01 59474 57920 74700 97460 10-02 60494 54970 75000 92760 10-03 64758 57820 74200 97160 10-04 59916 59000 71000 95730 10-05 59633 58960 73500 104430 10-06 59108 57810 72900 101780 10-07 58942 58020 72050 106040 10-08 58960 58070 69400 100340 10-09 58951 60010 70800 86330 10-10 58955 59970 71700 87800 10-11 59017 57530 72050 86640 10-12 59281 59830 70950 92870 10-13 59423 58480 70800 88280 10-14 59494 56370 71250 91830 10-15 59899 54530 72050 89990 10-16 60465 56100 72500 80840 10-17 60894 59060 71900 86720 10-18 61377 55610 70000 85560 10-19 61713 60620 71950 86240 10-20 62019 58060 74150 84440 10-21 62397 59420 74600 85160 10-22 62870 59160 74100 86440 10-23 63365 58360 73800 87790 10-24 63649 56810 73400 86430 10-25 63669 57040 74950 87840 10-26 63641 57930 76450 86520 10-27 63614 58310 74550 92450 10-28 63309 54550 74000 94650 10-29 63134 53860 71900 92310 10-30 63183 52530 73000 98010 10-31 63039 56200 75850 100330 11-01 64762 56570 75000 91600 11-02 71102 58230 77000 92060 11-03 71290 62410 76000 96670 11-04 71397 61640 80150 99200 11-05 71503 60670 78450 93460 11-06 71552 63140 77400 92310 11-07 71452 59130 76850 90600 11-08 71631 60910 73200 91620 11-09 71445 63820 72900 88300 11-10 71091 57920 72950 90670 11-11 70808 60200 71650 87580 11-12 70693 56810 73250 86890 11-13 70664 56630 72100 94400 11-14 70777 62060 75300 94720 11-15 70439 58050 76550 96580 11-16 64447 58790 75650 94920 11-17 63051 60680 77500 99240 11-18 64991 55370 77550 101480 11-19 65093 57320 77000 101610 11-20 64735 62840 78900 103700 11-21 64617 65580 81550 103520 11-22 64160 61370 79400 99960 11-23 63807 62730 80700 93780 11-24 63502 63670 79050 100000 11-25 63228 63230 78200 100900 11-26 62930 67400 82500 105900 11-27 62620 69050 84300 104700 11-28 62371 73170 81250 108300 11-29 62250 71120 80400 104900 11-30 62106 71670 80000 98350 12-01 69511 75020 82850 106890 12-02 94385 72380 86850 110600 12-03 95530 75470 90300 110900 12-04 95893 77820 94350 110700 12-05 96063 80020 91050 116700 12-06 96023 78660 91250 118700 12-07 95954 78770 89700 120200 12-08 95880 78740 92250 118600 12-09 95794 77430 92850 120800 12-10 95761 79220 94950 121000 12-11 95721 79510 95550 122800 12-12 95422 80990 96000 119800 12-13 95167 82930 98250 123900 12-14 95199 80930 99550 122700 12-15 95112 79600 95600 120900 12-16 95025 76440 95450 118900 12-17 94946 77750 96500 120800 12-18 94884 80350 97000 119900 12-19 95282 77970 97250 123000 12-20 96684 78400 97500 122700 12-21 96618 78820 96650 119700 12-22 96548 74720 95100 113900 12-23 96484 70760 94300 115500 12-24 96413 71460 90500 113000 12-25 96359 68420 91850 112900 12-26 96288 70540 91400 111900 12-27 96241 74370 91050 112400 12-28 96185 73490 91550 112900 12-29 96127 68690 91150 119000 12-30 96083 73120 90200 115900 12-31 95878 70230 90700 118200 01-01 96329 64300 84100 114000 01-02 98551 69640 86900 112900 01-03 95642 67940 87950 112000 01-04 91467 68310 86600 122300 01-05 89041 72470 89650 122900