(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 07-06 to 11-03 Historical Observations Month FCST %Avg 90% 50% 10% Nov 400 88 351 452 556 Jul 5675 92 4647 6177 9105 Aug 5983 97 4603 6142 8439 Sep 4666 99 3726 4725 5902 Oct 3840 86 3536 4480 5634 Total 20564 94 16862 21977 29636 Historical Observations mm-dd FCST 90% 50% 10% 07-06 139872 98150 137500 194100 07-07 137383 99590 135500 197200 07-08 130524 99520 136500 194700 07-09 125482 95970 132000 194400 07-10 122644 97480 133000 197000 07-11 121663 92960 131000 195800 07-12 118987 90690 130000 202800 07-13 116398 92180 129500 203300 07-14 113977 98530 128500 198300 07-15 111792 94700 123500 195600 07-16 109805 94310 118500 183900 07-17 107951 93510 116500 186500 07-18 105781 88490 116000 180900 07-19 103606 90680 115000 180700 07-20 102348 88160 113000 184800 07-21 101495 89970 113500 178300 07-22 100748 85520 112500 172600 07-23 99833 84050 114000 168000 07-24 99075 86290 113000 167200 07-25 99029 86170 109000 160500 07-26 100535 86170 112000 142800 07-27 99934 83690 111500 142800 07-28 99268 84550 110000 143000 07-29 98593 82610 110500 140700 07-30 97963 81290 107000 142400 07-31 97386 78080 106000 143200 08-01 97854 83300 102500 148800 08-02 100551 80570 105000 155000 08-03 100333 80650 104000 153500 08-04 100050 79400 105000 148800 08-05 99777 79580 105000 151000 08-06 100159 78460 108000 149600 08-07 99814 78450 107000 146700 08-08 99480 71860 106000 145200 08-09 99134 78120 106500 150100 08-10 98753 75900 106000 155800 08-11 98437 75200 102500 149000 08-12 98168 79320 103500 146500 08-13 97891 78740 101000 148100 08-14 97604 75250 102000 144900 08-15 97301 70650 102500 148700 08-16 97018 74440 103000 140600 08-17 96777 75680 98400 131600 08-18 96571 74710 99700 126100 08-19 96381 73570 99950 133200 08-20 96188 70950 101000 133100 08-21 96022 70690 97050 131400 08-22 95878 73980 97250 131100 08-23 95806 78640 99250 127200 08-24 95700 75140 96900 121700 08-25 95564 72520 94000 121700 08-26 95441 75110 89850 121200 08-27 95253 72420 91500 124600 08-28 95020 70770 89950 121000 08-29 94808 66170 94400 124300 08-30 94638 66280 89100 115300 08-31 94624 64550 89450 109700 09-01 90749 62930 85800 109400 09-02 77805 62000 82000 105500 09-03 77266 64670 80150 101900 09-04 78117 59640 79550 99810 09-05 78519 58000 81950 101800 09-06 78464 57950 83100 104900 09-07 78417 58380 81650 104000 09-08 78323 61710 81200 103900 09-09 78266 62950 81550 100900 09-10 78312 63100 80250 102700 09-11 78324 63420 81850 102900 09-12 78298 64450 78200 102560 09-13 78243 63760 78350 101000 09-14 78122 64610 80700 101900 09-15 78005 64780 78900 99190 09-16 77957 62530 79550 96010 09-17 77924 59500 77850 96030 09-18 78006 62350 77300 98820 09-19 78112 64450 77900 96270 09-20 78168 67100 79150 100560 09-21 78125 61970 78400 100880 09-22 77979 64040 78000 96550 09-23 77787 60730 78300 97890 09-24 77620 61850 79750 97860 09-25 77564 64580 77900 92420 09-26 77555 66020 76950 92370 09-27 77666 65220 76200 89940 09-28 77708 63320 76550 94640 09-29 77717 64520 77150 93760 09-30 77785 58260 76800 89980 10-01 71890 57920 74700 97460 10-02 57319 54970 75000 92760 10-03 61518 57820 74200 97160 10-04 61597 59000 71000 95730 10-05 61136 58960 73500 104430 10-06 60840 57810 72900 101780 10-07 60709 58020 72050 106040 10-08 60682 58070 69400 100340 10-09 60639 60010 70800 86330 10-10 60588 59970 71700 87800 10-11 60655 57530 72050 86640 10-12 61035 59830 70950 92870 10-13 61300 58480 70800 88280 10-14 61400 56370 71250 91830 10-15 61813 54530 72050 89990 10-16 62194 56100 72500 80840 10-17 62490 59060 71900 86720 10-18 62850 55610 70000 85560 10-19 62930 60620 71950 86240 10-20 63007 58060 74150 84440 10-21 63321 59420 74600 85160 10-22 63710 59160 74100 86440 10-23 64013 58360 73800 87790 10-24 64101 56810 73400 86430 10-25 64009 57040 74950 87840 10-26 63920 57930 76450 86520 10-27 63796 58310 74550 92450 10-28 63475 54550 74000 94650 10-29 63258 53860 71900 92310 10-30 63223 52530 73000 98010 10-31 63051 56200 75850 100330 11-01 64291 56570 75000 91600 11-02 68730 58230 77000 92060 11-03 68749 62410 76000 96670