(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 07-27 to 11-24 Historical Observations Month FCST %Avg 90% 50% 10% Nov 2278 63 2868 3641 4531 Jul 907 84 813 1081 1412 Aug 5314 87 4603 6142 8439 Sep 4073 86 3726 4725 5902 Oct 3479 78 3536 4480 5634 Total 16051 80 15546 20069 25918 Historical Observations mm-dd FCST 90% 50% 10% 07-27 91327 83690 111500 142800 07-28 91176 84550 110000 143000 07-29 91188 82610 110500 140700 07-30 91504 81290 107000 142400 07-31 92106 78080 106000 143200 08-01 92662 83300 102500 148800 08-02 92857 80570 105000 155000 08-03 92560 80650 104000 153500 08-04 91974 79400 105000 148800 08-05 91646 79580 105000 151000 08-06 91498 78460 108000 149600 08-07 91221 78450 107000 146700 08-08 90860 71860 106000 145200 08-09 90257 78120 106500 150100 08-10 89902 75900 106000 155800 08-11 89745 75200 102500 149000 08-12 89578 79320 103500 146500 08-13 89275 78740 101000 148100 08-14 88982 75250 102000 144900 08-15 87967 70650 102500 148700 08-16 85445 74440 103000 140600 08-17 85181 75680 98400 131600 08-18 84904 74710 99700 126100 08-19 84595 73570 99950 133200 08-20 84345 70950 101000 133100 08-21 84172 70690 97050 131400 08-22 83800 73980 97250 131100 08-23 82962 78640 99250 127200 08-24 82830 75140 96900 121700 08-25 82688 72520 94000 121700 08-26 82579 75110 89850 121200 08-27 82423 72420 91500 124600 08-28 82224 70770 89950 121000 08-29 80397 66170 94400 124300 08-30 75049 66280 89100 115300 08-31 74952 64550 89450 109700 09-01 74670 62930 85800 109400 09-02 73702 62000 82000 105500 09-03 73016 64670 80150 101900 09-04 73099 59640 79550 99810 09-05 72131 58000 81950 101800 09-06 68124 57950 83100 104900 09-07 68027 58380 81650 104000 09-08 67936 61710 81200 103900 09-09 67879 62950 81550 100900 09-10 67890 63100 80250 102700 09-11 67852 63420 81850 102900 09-12 67811 64450 78200 102560 09-13 67764 63760 78350 101000 09-14 67674 64610 80700 101900 09-15 67604 64780 78900 99190 09-16 67607 62530 79550 96010 09-17 67595 59500 77850 96030 09-18 67630 62350 77300 98820 09-19 67623 64450 77900 96270 09-20 67560 67100 79150 100560 09-21 67477 61970 78400 100880 09-22 67323 64040 78000 96550 09-23 67135 60730 78300 97890 09-24 66971 61850 79750 97860 09-25 66912 64580 77900 92420 09-26 66890 66020 76950 92370 09-27 66960 65220 76200 89940 09-28 67022 63320 76550 94640 09-29 67070 64520 77150 93760 09-30 67098 58260 76800 89980 10-01 62517 57920 74700 97460 10-02 50644 54970 75000 92760 10-03 56399 57820 74200 97160 10-04 56507 59000 71000 95730 10-05 55636 58960 73500 104430 10-06 54905 57810 72900 101780 10-07 54652 58020 72050 106040 10-08 54596 58070 69400 100340 10-09 54524 60010 70800 86330 10-10 54461 59970 71700 87800 10-11 54517 57530 72050 86640 10-12 54836 59830 70950 92870 10-13 55037 58480 70800 88280 10-14 55140 56370 71250 91830 10-15 55551 54530 72050 89990 10-16 56004 56100 72500 80840 10-17 56349 59060 71900 86720 10-18 56778 55610 70000 85560 10-19 57037 60620 71950 86240 10-20 57217 58060 74150 84440 10-21 57540 59420 74600 85160 10-22 57999 59160 74100 86440 10-23 58434 58360 73800 87790 10-24 58656 56810 73400 86430 10-25 58667 57040 74950 87840 10-26 58638 57930 76450 86520 10-27 58609 58310 74550 92450 10-28 58315 54550 74000 94650 10-29 58138 53860 71900 92310 10-30 58170 52530 73000 98010 10-31 58029 56200 75850 100330 11-01 56840 56570 75000 91600 11-02 52335 58230 77000 92060 11-03 52105 62410 76000 96670 11-04 52033 61640 80150 99200 11-05 52022 60670 78450 93460 11-06 52064 63140 77400 92310 11-07 51892 59130 76850 90600 11-08 52017 60910 73200 91620 11-09 51866 63820 72900 88300 11-10 51574 57920 72950 90670 11-11 51353 60200 71650 87580 11-12 51294 56810 73250 86890 11-13 51316 56630 72100 94400 11-14 51471 62060 75300 94720 11-15 51201 58050 76550 96580 11-16 45017 58790 75650 94920 11-17 40789 60680 77500 99240 11-18 40500 55370 77550 101480 11-19 40533 57320 77000 101610 11-20 40266 62840 78900 103700 11-21 40295 65580 81550 103520 11-22 40209 61370 79400 99960 11-23 39961 62730 80700 93780 11-24 39731 63670 79050 100000