(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 08-10 to 12-08 Historical Observations Month FCST %Avg 90% 50% 10% Dec 1347 95 1223 1425 1811 Aug 3780 89 3194 4260 5764 Sep 3802 80 3726 4725 5902 Oct 3823 85 3536 4480 5634 Nov 3755 82 3693 4606 5766 Total 16508 85 15371 19497 24878 Historical Observations mm-dd FCST 90% 50% 10% 08-10 86985 75900 106000 155800 08-11 88591 75200 102500 149000 08-12 90097 79320 103500 146500 08-13 90228 78740 101000 148100 08-14 87566 75250 102000 144900 08-15 86092 70650 102500 148700 08-16 86604 74440 103000 140600 08-17 87272 75680 98400 131600 08-18 87331 74710 99700 126100 08-19 87341 73570 99950 133200 08-20 87325 70950 101000 133100 08-21 86877 70690 97050 131400 08-22 85668 73980 97250 131100 08-23 85695 78640 99250 127200 08-24 85728 75140 96900 121700 08-25 85682 72520 94000 121700 08-26 85638 75110 89850 121200 08-27 85522 72420 91500 124600 08-28 85288 70770 89950 121000 08-29 85061 66170 94400 124300 08-30 84920 66280 89100 115300 08-31 84918 64550 89450 109700 09-01 80040 62930 85800 109400 09-02 64357 62000 82000 105500 09-03 63316 64670 80150 101900 09-04 63323 59640 79550 99810 09-05 63734 58000 81950 101800 09-06 63750 57950 83100 104900 09-07 63742 58380 81650 104000 09-08 63678 61710 81200 103900 09-09 63645 62950 81550 100900 09-10 63693 63100 80250 102700 09-11 63728 63420 81850 102900 09-12 63744 64450 78200 102560 09-13 63726 63760 78350 101000 09-14 63654 64610 80700 101900 09-15 63585 64780 78900 99190 09-16 63600 62530 79550 96010 09-17 63604 59500 77850 96030 09-18 63628 62350 77300 98820 09-19 63499 64450 77900 96270 09-20 63275 67100 79150 100560 09-21 63135 61970 78400 100880 09-22 62985 64040 78000 96550 09-23 62813 60730 78300 97890 09-24 62665 61850 79750 97860 09-25 62617 64580 77900 92420 09-26 62599 66020 76950 92370 09-27 62674 65220 76200 89940 09-28 62761 63320 76550 94640 09-29 62820 64520 77150 93760 09-30 62871 58260 76800 89980 10-01 60406 57920 74700 97460 10-02 55729 54970 75000 92760 10-03 61725 57820 74200 97160 10-04 62077 59000 71000 95730 10-05 61438 58960 73500 104430 10-06 60788 57810 72900 101780 10-07 60556 58020 72050 106040 10-08 60503 58070 69400 100340 10-09 60424 60010 70800 86330 10-10 60356 59970 71700 87800 10-11 60403 57530 72050 86640 10-12 60761 59830 70950 92870 10-13 61051 58480 70800 88280 10-14 61196 56370 71250 91830 10-15 61574 54530 72050 89990 10-16 61991 56100 72500 80840 10-17 62325 59060 71900 86720 10-18 62756 55610 70000 85560 10-19 62997 60620 71950 86240 10-20 63164 58060 74150 84440 10-21 63485 59420 74600 85160 10-22 63946 59160 74100 86440 10-23 64364 58360 73800 87790 10-24 64547 56810 73400 86430 10-25 64531 57040 74950 87840 10-26 64490 57930 76450 86520 10-27 64465 58310 74550 92450 10-28 64161 54550 74000 94650 10-29 63978 53860 71900 92310 10-30 64011 52530 73000 98010 10-31 63868 56200 75850 100330 11-01 63738 56570 75000 91600 11-02 63270 58230 77000 92060 11-03 63162 62410 76000 96670 11-04 63106 61640 80150 99200 11-05 63100 60670 78450 93460 11-06 63150 63140 77400 92310 11-07 62981 59130 76850 90600 11-08 63123 60910 73200 91620 11-09 62989 63820 72900 88300 11-10 62699 57920 72950 90670 11-11 62492 60200 71650 87580 11-12 62437 56810 73250 86890 11-13 62470 56630 72100 94400 11-14 62636 62060 75300 94720 11-15 62372 58050 76550 96580 11-16 58785 58790 75650 94920 11-17 63857 60680 77500 99240 11-18 64929 55370 77550 101480 11-19 64940 57320 77000 101610 11-20 64657 62840 78900 103700 11-21 64644 65580 81550 103520 11-22 64532 61370 79400 99960 11-23 64242 62730 80700 93780 11-24 63629 63670 79050 100000 11-25 63208 63230 78200 100900 11-26 62950 67400 82500 105900 11-27 62650 69050 84300 104700 11-28 62417 73170 81250 108300 11-29 62276 71120 80400 104900 11-30 62130 71670 80000 98350 12-01 68782 75020 82850 106890 12-02 89978 72380 86850 110600 12-03 88635 75470 90300 110900 12-04 87594 77820 94350 110700 12-05 86536 80020 91050 116700 12-06 86084 78660 91250 118700 12-07 85947 78770 89700 120200 12-08 85868 78740 92250 118600