(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 08-24 to 12-22 Historical Observations Month FCST %Avg 90% 50% 10% Dec 3764 92 3415 4098 5164 Aug 1242 85 1116 1458 1903 Sep 4128 87 3726 4725 5902 Oct 3643 81 3536 4480 5634 Nov 3821 83 3693 4606 5766 Total 16598 86 15485 19368 24369 Historical Observations mm-dd FCST 90% 50% 10% 08-24 76856 75140 96900 121700 08-25 77656 72520 94000 121700 08-26 80479 75110 89850 121200 08-27 80953 72420 91500 124600 08-28 80976 70770 89950 121000 08-29 79544 66170 94400 124300 08-30 75015 66280 89100 115300 08-31 74953 64550 89450 109700 09-01 74949 62930 85800 109400 09-02 74943 62000 82000 105500 09-03 74940 64670 80150 101900 09-04 74448 59640 79550 99810 09-05 70377 58000 81950 101800 09-06 67383 57950 83100 104900 09-07 66986 58380 81650 104000 09-08 65020 61710 81200 103900 09-09 64269 62950 81550 100900 09-10 64316 63100 80250 102700 09-11 66170 63420 81850 102900 09-12 68832 64450 78200 102560 09-13 69366 63760 78350 101000 09-14 69449 64610 80700 101900 09-15 69515 64780 78900 99190 09-16 69586 62530 79550 96010 09-17 69607 59500 77850 96030 09-18 69633 62350 77300 98820 09-19 69615 64450 77900 96270 09-20 69521 67100 79150 100560 09-21 69440 61970 78400 100880 09-22 69324 64040 78000 96550 09-23 69205 60730 78300 97890 09-24 69128 61850 79750 97860 09-25 69150 64580 77900 92420 09-26 69164 66020 76950 92370 09-27 69208 65220 76200 89940 09-28 69262 63320 76550 94640 09-29 69361 64520 77150 93760 09-30 69500 58260 76800 89980 10-01 64362 57920 74700 97460 10-02 50341 54970 75000 92760 10-03 56318 57820 74200 97160 10-04 58079 59000 71000 95730 10-05 58260 58960 73500 104430 10-06 57791 57810 72900 101780 10-07 57636 58020 72050 106040 10-08 57683 58070 69400 100340 10-09 57724 60010 70800 86330 10-10 57760 59970 71700 87800 10-11 57829 57530 72050 86640 10-12 58106 59830 70950 92870 10-13 58218 58480 70800 88280 10-14 58173 56370 71250 91830 10-15 58404 54530 72050 89990 10-16 58777 56100 72500 80840 10-17 59110 59060 71900 86720 10-18 59522 55610 70000 85560 10-19 59835 60620 71950 86240 10-20 60059 58060 74150 84440 10-21 60383 59420 74600 85160 10-22 60867 59160 74100 86440 10-23 61320 58360 73800 87790 10-24 61516 56810 73400 86430 10-25 61502 57040 74950 87840 10-26 61484 57930 76450 86520 10-27 61486 58310 74550 92450 10-28 61192 54550 74000 94650 10-29 61046 53860 71900 92310 10-30 61129 52530 73000 98010 10-31 61024 56200 75850 100330 11-01 61877 56570 75000 91600 11-02 64909 58230 77000 92060 11-03 64895 62410 76000 96670 11-04 64844 61640 80150 99200 11-05 64832 60670 78450 93460 11-06 64877 63140 77400 92310 11-07 64747 59130 76850 90600 11-08 64892 60910 73200 91620 11-09 64760 63820 72900 88300 11-10 64521 57920 72950 90670 11-11 64346 60200 71650 87580 11-12 64324 56810 73250 86890 11-13 64378 56630 72100 94400 11-14 64553 62060 75300 94720 11-15 64284 58050 76550 96580 11-16 60298 58790 75650 94920 11-17 64420 60680 77500 99240 11-18 65455 55370 77550 101480 11-19 65481 57320 77000 101610 11-20 65209 62840 78900 103700 11-21 65230 65580 81550 103520 11-22 65141 61370 79400 99960 11-23 64600 62730 80700 93780 11-24 64081 63670 79050 100000 11-25 63889 63230 78200 100900 11-26 63632 67400 82500 105900 11-27 63332 69050 84300 104700 11-28 63156 73170 81250 108300 11-29 63044 71120 80400 104900 11-30 62894 71670 80000 98350 12-01 68537 75020 82850 106890 12-02 87146 72380 86850 110600 12-03 87170 75470 90300 110900 12-04 87413 77820 94350 110700 12-05 87612 80020 91050 116700 12-06 87538 78660 91250 118700 12-07 87460 78770 89700 120200 12-08 87382 78740 92250 118600 12-09 87303 77430 92850 120800 12-10 87255 79220 94950 121000 12-11 87225 79510 95550 122800 12-12 86950 80990 96000 119800 12-13 86663 82930 98250 123900 12-14 86661 80930 99550 122700 12-15 86540 79600 95600 120900 12-16 86424 76440 95450 118900 12-17 86337 77750 96500 120800 12-18 86239 80350 97000 119900 12-19 86581 77970 97250 123000 12-20 87967 78400 97500 122700 12-21 87883 78820 96650 119700 12-22 87798 74720 95100 113900