(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 07-20 to 11-17 Historical Observations Month FCST %Avg 90% 50% 10% Nov 1749 69 2018 2542 3135 Jul 2172 82 2016 2641 3741 Aug 5630 92 4603 6142 8439 Sep 4199 89 3726 4725 5902 Oct 3349 75 3536 4480 5634 Total 17098 83 15898 20531 26850 Historical Observations mm-dd FCST 90% 50% 10% 07-20 91200 88160 113000 184800 07-21 91889 89970 113500 178300 07-22 91984 85520 112500 172600 07-23 91949 84050 114000 168000 07-24 91920 86290 113000 167200 07-25 91905 86170 109000 160500 07-26 91665 86170 112000 142800 07-27 90834 83690 111500 142800 07-28 90515 84550 110000 143000 07-29 90427 82610 110500 140700 07-30 90388 81290 107000 142400 07-31 90556 78080 106000 143200 08-01 92100 83300 102500 148800 08-02 95903 80570 105000 155000 08-03 95539 80650 104000 153500 08-04 94902 79400 105000 148800 08-05 94509 79580 105000 151000 08-06 94434 78460 108000 149600 08-07 94077 78450 107000 146700 08-08 93753 71860 106000 145200 08-09 93409 78120 106500 150100 08-10 93035 75900 106000 155800 08-11 92720 75200 102500 149000 08-12 92420 79320 103500 146500 08-13 92104 78740 101000 148100 08-14 91823 75250 102000 144900 08-15 91550 70650 102500 148700 08-16 91290 74440 103000 140600 08-17 91066 75680 98400 131600 08-18 90808 74710 99700 126100 08-19 90509 73570 99950 133200 08-20 90250 70950 101000 133100 08-21 90065 70690 97050 131400 08-22 89919 73980 97250 131100 08-23 89816 78640 99250 127200 08-24 89686 75140 96900 121700 08-25 89521 72520 94000 121700 08-26 89392 75110 89850 121200 08-27 89224 72420 91500 124600 08-28 89017 70770 89950 121000 08-29 88824 66170 94400 124300 08-30 88653 66280 89100 115300 08-31 88603 64550 89450 109700 09-01 84801 62930 85800 109400 09-02 72861 62000 82000 105500 09-03 72002 64670 80150 101900 09-04 71927 59640 79550 99810 09-05 71731 58000 81950 101800 09-06 71169 57950 83100 104900 09-07 70626 58380 81650 104000 09-08 70116 61710 81200 103900 09-09 69965 62950 81550 100900 09-10 69975 63100 80250 102700 09-11 69988 63420 81850 102900 09-12 70000 64450 78200 102560 09-13 69969 63760 78350 101000 09-14 69861 64610 80700 101900 09-15 69734 64780 78900 99190 09-16 69683 62530 79550 96010 09-17 69641 59500 77850 96030 09-18 69692 62350 77300 98820 09-19 69801 64450 77900 96270 09-20 69847 67100 79150 100560 09-21 69796 61970 78400 100880 09-22 69642 64040 78000 96550 09-23 69450 60730 78300 97890 09-24 69283 61850 79750 97860 09-25 69219 64580 77900 92420 09-26 69192 66020 76950 92370 09-27 69267 65220 76200 89940 09-28 69348 63320 76550 94640 09-29 69422 64520 77150 93760 09-30 69477 58260 76800 89980 10-01 63824 57920 74700 97460 10-02 49362 54970 75000 92760 10-03 53493 57820 74200 97160 10-04 53594 59000 71000 95730 10-05 53171 58960 73500 104430 10-06 52886 57810 72900 101780 10-07 52759 58020 72050 106040 10-08 52731 58070 69400 100340 10-09 52683 60010 70800 86330 10-10 52631 59970 71700 87800 10-11 52663 57530 72050 86640 10-12 52958 59830 70950 92870 10-13 53176 58480 70800 88280 10-14 53312 56370 71250 91830 10-15 53695 54530 72050 89990 10-16 54108 56100 72500 80840 10-17 54405 59060 71900 86720 10-18 54756 55610 70000 85560 10-19 54914 60620 71950 86240 10-20 55007 58060 74150 84440 10-21 55265 59420 74600 85160 10-22 55647 59160 74100 86440 10-23 55995 58360 73800 87790 10-24 56149 56810 73400 86430 10-25 56100 57040 74950 87840 10-26 56029 57930 76450 86520 10-27 55917 58310 74550 92450 10-28 55587 54550 74000 94650 10-29 55379 53860 71900 92310 10-30 55365 52530 73000 98010 10-31 55206 56200 75850 100330 11-01 54775 56570 75000 91600 11-02 53174 58230 77000 92060 11-03 53049 62410 76000 96670 11-04 52994 61640 80150 99200 11-05 52986 60670 78450 93460 11-06 53039 63140 77400 92310 11-07 52870 59130 76850 90600 11-08 53017 60910 73200 91620 11-09 52900 63820 72900 88300 11-10 52621 57920 72950 90670 11-11 52418 60200 71650 87580 11-12 52382 56810 73250 86890 11-13 52427 56630 72100 94400 11-14 52598 62060 75300 94720 11-15 52347 58050 76550 96580 11-16 46255 58790 75650 94920 11-17 42134 60680 77500 99240