(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 07-13 to 11-10 Historical Observations Month FCST %Avg 90% 50% 10% Nov 1241 82 1199 1507 1837 Jul 3574 83 3310 4322 6376 Aug 5464 89 4603 6142 8439 Sep 4463 94 3726 4725 5902 Oct 3866 86 3536 4480 5634 Total 18608 88 16372 21177 28188 Historical Observations mm-dd FCST 90% 50% 10% 07-13 101269 92180 129500 203300 07-14 100124 98530 128500 198300 07-15 100058 94700 123500 195600 07-16 99491 94310 118500 183900 07-17 98615 93510 116500 186500 07-18 97845 88490 116000 180900 07-19 97280 90680 115000 180700 07-20 96550 88160 113000 184800 07-21 95504 89970 113500 178300 07-22 94312 85520 112500 172600 07-23 93434 84050 114000 168000 07-24 92860 86290 113000 167200 07-25 92382 86170 109000 160500 07-26 91823 86170 112000 142800 07-27 91204 83690 111500 142800 07-28 90598 84550 110000 143000 07-29 90017 82610 110500 140700 07-30 89516 81290 107000 142400 07-31 89447 78080 106000 143200 08-01 89855 83300 102500 148800 08-02 92230 80570 105000 155000 08-03 92024 80650 104000 153500 08-04 91750 79400 105000 148800 08-05 91476 79580 105000 151000 08-06 91799 78460 108000 149600 08-07 91452 78450 107000 146700 08-08 91109 71860 106000 145200 08-09 90756 78120 106500 150100 08-10 90369 75900 106000 155800 08-11 90035 75200 102500 149000 08-12 89720 79320 103500 146500 08-13 89383 78740 101000 148100 08-14 89082 75250 102000 144900 08-15 88790 70650 102500 148700 08-16 88513 74440 103000 140600 08-17 88280 75680 98400 131600 08-18 88088 74710 99700 126100 08-19 87927 73570 99950 133200 08-20 87738 70950 101000 133100 08-21 87575 70690 97050 131400 08-22 87444 73980 97250 131100 08-23 87343 78640 99250 127200 08-24 87198 75140 96900 121700 08-25 87013 72520 94000 121700 08-26 86862 75110 89850 121200 08-27 86676 72420 91500 124600 08-28 86460 70770 89950 121000 08-29 86267 66170 94400 124300 08-30 86097 66280 89100 115300 08-31 86056 64550 89450 109700 09-01 83503 62930 85800 109400 09-02 74478 62000 82000 105500 09-03 73963 64670 80150 101900 09-04 74820 59640 79550 99810 09-05 75219 58000 81950 101800 09-06 75165 57950 83100 104900 09-07 75121 58380 81650 104000 09-08 75038 61710 81200 103900 09-09 74985 62950 81550 100900 09-10 75017 63100 80250 102700 09-11 75033 63420 81850 102900 09-12 75032 64450 78200 102560 09-13 74987 63760 78350 101000 09-14 74875 64610 80700 101900 09-15 74759 64780 78900 99190 09-16 74702 62530 79550 96010 09-17 74644 59500 77850 96030 09-18 74695 62350 77300 98820 09-19 74814 64450 77900 96270 09-20 74879 67100 79150 100560 09-21 74849 61970 78400 100880 09-22 74707 64040 78000 96550 09-23 74523 60730 78300 97890 09-24 74357 61850 79750 97860 09-25 74295 64580 77900 92420 09-26 74266 66020 76950 92370 09-27 74338 65220 76200 89940 09-28 74407 63320 76550 94640 09-29 74470 64520 77150 93760 09-30 74515 58260 76800 89980 10-01 69497 57920 74700 97460 10-02 57803 54970 75000 92760 10-03 62045 57820 74200 97160 10-04 62118 59000 71000 95730 10-05 61663 58960 73500 104430 10-06 61362 57810 72900 101780 10-07 61226 58020 72050 106040 10-08 61189 58070 69400 100340 10-09 61132 60010 70800 86330 10-10 61077 59970 71700 87800 10-11 61106 57530 72050 86640 10-12 61435 59830 70950 92870 10-13 61717 58480 70800 88280 10-14 61846 56370 71250 91830 10-15 62237 54530 72050 89990 10-16 62647 56100 72500 80840 10-17 62944 59060 71900 86720 10-18 63295 55610 70000 85560 10-19 63429 60620 71950 86240 10-20 63531 58060 74150 84440 10-21 63825 59420 74600 85160 10-22 64218 59160 74100 86440 10-23 64556 58360 73800 87790 10-24 64687 56810 73400 86430 10-25 64629 57040 74950 87840 10-26 64544 57930 76450 86520 10-27 64412 58310 74550 92450 10-28 64073 54550 74000 94650 10-29 63844 53860 71900 92310 10-30 63810 52530 73000 98010 10-31 63638 56200 75850 100330 11-01 63416 56570 75000 91600 11-02 62679 58230 77000 92060 11-03 62606 62410 76000 96670 11-04 62552 61640 80150 99200 11-05 62529 60670 78450 93460 11-06 62568 63140 77400 92310 11-07 62387 59130 76850 90600 11-08 62536 60910 73200 91620 11-09 62418 63820 72900 88300 11-10 62161 57920 72950 90670