(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 07-07 to 11-04 Historical Observations Month FCST %Avg 90% 50% 10% Nov 486 80 474 611 753 Jul 4218 71 4452 5904 8720 Aug 4744 77 4603 6142 8439 Sep 3760 80 3726 4725 5902 Oct 4045 90 3536 4480 5634 Total 17254 79 16790 21863 29447 Historical Observations mm-dd FCST 90% 50% 10% 07-07 98791 99590 135500 197200 07-08 97228 99520 136500 194700 07-09 96792 95970 132000 194400 07-10 96073 97480 133000 197000 07-11 95679 92960 131000 195800 07-12 95450 90690 130000 202800 07-13 92410 92180 129500 203300 07-14 83634 98530 128500 198300 07-15 83313 94700 123500 195600 07-16 83401 94310 118500 183900 07-17 83150 93510 116500 186500 07-18 82730 88490 116000 180900 07-19 82361 90680 115000 180700 07-20 81957 88160 113000 184800 07-21 81598 89970 113500 178300 07-22 81250 85520 112500 172600 07-23 80923 84050 114000 168000 07-24 80669 86290 113000 167200 07-25 80362 86170 109000 160500 07-26 80084 86170 112000 142800 07-27 79778 83690 111500 142800 07-28 79358 84550 110000 143000 07-29 78624 82610 110500 140700 07-30 77130 81290 107000 142400 07-31 74378 78080 106000 143200 08-01 72649 83300 102500 148800 08-02 74705 80570 105000 155000 08-03 74554 80650 104000 153500 08-04 74330 79400 105000 148800 08-05 74067 79580 105000 151000 08-06 73852 78460 108000 149600 08-07 73644 78450 107000 146700 08-08 73496 71860 106000 145200 08-09 73341 78120 106500 150100 08-10 73158 75900 106000 155800 08-11 73024 75200 102500 149000 08-12 72895 79320 103500 146500 08-13 72742 78740 101000 148100 08-14 72603 75250 102000 144900 08-15 72463 70650 102500 148700 08-16 74551 74440 103000 140600 08-17 81540 75680 98400 131600 08-18 81495 74710 99700 126100 08-19 81367 73570 99950 133200 08-20 81252 70950 101000 133100 08-21 81194 70690 97050 131400 08-22 81180 73980 97250 131100 08-23 81206 78640 99250 127200 08-24 81176 75140 96900 121700 08-25 81116 72520 94000 121700 08-26 81086 75110 89850 121200 08-27 81007 72420 91500 124600 08-28 80872 70770 89950 121000 08-29 80730 66170 94400 124300 08-30 80621 66280 89100 115300 08-31 80609 64550 89450 109700 09-01 76319 62930 85800 109400 09-02 62205 62000 82000 105500 09-03 61148 64670 80150 101900 09-04 60522 59640 79550 99810 09-05 60308 58000 81950 101800 09-06 60213 57950 83100 104900 09-07 60205 58380 81650 104000 09-08 60152 61710 81200 103900 09-09 60120 62950 81550 100900 09-10 60155 63100 80250 102700 09-11 60134 63420 81850 102900 09-12 59834 64450 78200 102560 09-13 58976 63760 78350 101000 09-14 58417 64610 80700 101900 09-15 58253 64780 78900 99190 09-16 58249 62530 79550 96010 09-17 60846 59500 77850 96030 09-18 65536 62350 77300 98820 09-19 66361 64450 77900 96270 09-20 66426 67100 79150 100560 09-21 66409 61970 78400 100880 09-22 66275 64040 78000 96550 09-23 66095 60730 78300 97890 09-24 66012 61850 79750 97860 09-25 66016 64580 77900 92420 09-26 66030 66020 76950 92370 09-27 66151 65220 76200 89940 09-28 66231 63320 76550 94640 09-29 66321 64520 77150 93760 09-30 66431 58260 76800 89980 10-01 67598 57920 74700 97460 10-02 68103 54970 75000 92760 10-03 65325 57820 74200 97160 10-04 64804 59000 71000 95730 10-05 64404 58960 73500 104430 10-06 64116 57810 72900 101780 10-07 63853 58020 72050 106040 10-08 63923 58070 69400 100340 10-09 63976 60010 70800 86330 10-10 63984 59970 71700 87800 10-11 64016 57530 72050 86640 10-12 64301 59830 70950 92870 10-13 64383 58480 70800 88280 10-14 64388 56370 71250 91830 10-15 64786 54530 72050 89990 10-16 65211 56100 72500 80840 10-17 65536 59060 71900 86720 10-18 65938 55610 70000 85560 10-19 66054 60620 71950 86240 10-20 66155 58060 74150 84440 10-21 66431 59420 74600 85160 10-22 66884 59160 74100 86440 10-23 67237 58360 73800 87790 10-24 67434 56810 73400 86430 10-25 67360 57040 74950 87840 10-26 67257 57930 76450 86520 10-27 67292 58310 74550 92450 10-28 67369 54550 74000 94650 10-29 67264 53860 71900 92310 10-30 67243 52530 73000 98010 10-31 67074 56200 75850 100330 11-01 66753 56570 75000 91600 11-02 61409 58230 77000 92060 11-03 58581 62410 76000 96670 11-04 58329 61640 80150 99200