(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 07-22 to 11-19 Historical Observations Month FCST %Avg 90% 50% 10% Nov 2904 102 2241 2848 3537 Jul 2085 95 1663 2192 3021 Aug 5119 83 4603 6142 8439 Sep 4016 85 3726 4725 5902 Oct 4202 94 3536 4480 5634 Total 18326 90 15768 20388 26533 Historical Observations mm-dd FCST 90% 50% 10% 07-22 107262 85520 112500 172600 07-23 110312 84050 114000 168000 07-24 109483 86290 113000 167200 07-25 107536 86170 109000 160500 07-26 106944 86170 112000 142800 07-27 105368 83690 111500 142800 07-28 101580 84550 110000 143000 07-29 101133 82610 110500 140700 07-30 100976 81290 107000 142400 07-31 100833 78080 106000 143200 08-01 100557 83300 102500 148800 08-02 99600 80570 105000 155000 08-03 96929 80650 104000 153500 08-04 88912 79400 105000 148800 08-05 88362 79580 105000 151000 08-06 87983 78460 108000 149600 08-07 87622 78450 107000 146700 08-08 87305 71860 106000 145200 08-09 86490 78120 106500 150100 08-10 84042 75900 106000 155800 08-11 83135 75200 102500 149000 08-12 83047 79320 103500 146500 08-13 82733 78740 101000 148100 08-14 82464 75250 102000 144900 08-15 82193 70650 102500 148700 08-16 81945 74440 103000 140600 08-17 81238 75680 98400 131600 08-18 79500 74710 99700 126100 08-19 79277 73570 99950 133200 08-20 79080 70950 101000 133100 08-21 78916 70690 97050 131400 08-22 78715 73980 97250 131100 08-23 78542 78640 99250 127200 08-24 78395 75140 96900 121700 08-25 78244 72520 94000 121700 08-26 78154 75110 89850 121200 08-27 78005 72420 91500 124600 08-28 77804 70770 89950 121000 08-29 77613 66170 94400 124300 08-30 77451 66280 89100 115300 08-31 77387 64550 89450 109700 09-01 74081 62930 85800 109400 09-02 63501 62000 82000 105500 09-03 62921 64670 80150 101900 09-04 63609 59640 79550 99810 09-05 63997 58000 81950 101800 09-06 63965 57950 83100 104900 09-07 63919 58380 81650 104000 09-08 63828 61710 81200 103900 09-09 63868 62950 81550 100900 09-10 64332 63100 80250 102700 09-11 64831 63420 81850 102900 09-12 64966 64450 78200 102560 09-13 64940 63760 78350 101000 09-14 64822 64610 80700 101900 09-15 64779 64780 78900 99190 09-16 64765 62530 79550 96010 09-17 64739 59500 77850 96030 09-18 64965 62350 77300 98820 09-19 68889 64450 77900 96270 09-20 71977 67100 79150 100560 09-21 72269 61970 78400 100880 09-22 72173 64040 78000 96550 09-23 71967 60730 78300 97890 09-24 71840 61850 79750 97860 09-25 71822 64580 77900 92420 09-26 71796 66020 76950 92370 09-27 71407 65220 76200 89940 09-28 71281 63320 76550 94640 09-29 71355 64520 77150 93760 09-30 71421 58260 76800 89980 10-01 71591 57920 74700 97460 10-02 72334 54970 75000 92760 10-03 70667 57820 74200 97160 10-04 68288 59000 71000 95730 10-05 66875 58960 73500 104430 10-06 66426 57810 72900 101780 10-07 66289 58020 72050 106040 10-08 66314 58070 69400 100340 10-09 66361 60010 70800 86330 10-10 66386 59970 71700 87800 10-11 66441 57530 72050 86640 10-12 66700 59830 70950 92870 10-13 66858 58480 70800 88280 10-14 66926 56370 71250 91830 10-15 67312 54530 72050 89990 10-16 67734 56100 72500 80840 10-17 68058 59060 71900 86720 10-18 68419 55610 70000 85560 10-19 68607 60620 71950 86240 10-20 68674 58060 74150 84440 10-21 68865 59420 74600 85160 10-22 69234 59160 74100 86440 10-23 69394 58360 73800 87790 10-24 69398 56810 73400 86430 10-25 69368 57040 74950 87840 10-26 69313 57930 76450 86520 10-27 69308 58310 74550 92450 10-28 69359 54550 74000 94650 10-29 69229 53860 71900 92310 10-30 69220 52530 73000 98010 10-31 69069 56200 75850 100330 11-01 69027 56570 75000 91600 11-02 69794 58230 77000 92060 11-03 73085 62410 76000 96670 11-04 76860 61640 80150 99200 11-05 80666 60670 78450 93460 11-06 80894 63140 77400 92310 11-07 80730 59130 76850 90600 11-08 80913 60910 73200 91620 11-09 80778 63820 72900 88300 11-10 80463 57920 72950 90670 11-11 80204 60200 71650 87580 11-12 80107 56810 73250 86890 11-13 80109 56630 72100 94400 11-14 80215 62060 75300 94720 11-15 79957 58050 76550 96580 11-16 75339 58790 75650 94920 11-17 71878 60680 77500 99240 11-18 71601 55370 77550 101480 11-19 71635 57320 77000 101610