(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 06-01 to 09-29 Historical Observations Month FCST %Avg 90% 50% 10% Jun 10567 115 6783 9221 14298 Jul 7857 104 5640 7543 11176 Aug 6284 102 4603 6142 8439 Sep 4541 99 3610 4573 5724 Total 29248 106 20636 27479 39637 Historical Observations mm-dd FCST 90% 50% 10% 06-01 187207 111200 162500 236400 06-02 188978 112800 163000 240900 06-03 188908 109600 164000 240100 06-04 188189 113100 167500 236500 06-05 187955 118300 165000 232300 06-06 192465 120100 164000 230700 06-07 203720 119500 162500 233300 06-08 203289 120200 159000 241900 06-09 202009 127100 159000 246600 06-10 198883 124200 161000 245800 06-11 193250 127000 159000 250300 06-12 188073 114800 159000 252100 06-13 177176 116800 154500 250700 06-14 166531 117500 153500 250700 06-15 161345 116700 150500 249800 06-16 171841 115800 146000 249300 06-17 177911 113300 150000 249300 06-18 175978 118900 154000 247900 06-19 173569 118800 146000 242900 06-20 171664 115700 150000 239400 06-21 171094 112200 151000 237000 06-22 171049 114800 152500 235300 06-23 170496 109100 154500 252400 06-24 168776 109400 153500 253900 06-25 165908 106700 153500 244500 06-26 162650 102700 154000 236700 06-27 159117 104500 151500 221000 06-28 156045 102500 146000 211800 06-29 153368 104400 142500 221900 06-30 151128 102800 141000 229000 07-01 149835 101400 140500 222100 07-02 149727 100550 139500 215800 07-03 147635 100200 136000 206200 07-04 145466 98160 137500 199200 07-05 143249 100600 135500 201100 07-06 141055 98150 137500 194100 07-07 138918 99590 135500 197200 07-08 136824 99520 136500 194700 07-09 134773 95970 132000 194400 07-10 132813 97480 133000 197000 07-11 131402 92960 131000 195800 07-12 130252 90690 130000 202800 07-13 129052 92180 129500 203300 07-14 127997 98530 128500 198300 07-15 127128 94700 123500 195600 07-16 126136 94310 118500 183900 07-17 124881 93510 116500 186500 07-18 122976 88490 116000 180900 07-19 121197 90680 115000 180700 07-20 120116 88160 113000 184800 07-21 120010 89970 113500 178300 07-22 119202 85520 112500 172600 07-23 118392 84050 114000 168000 07-24 117683 86290 113000 167200 07-25 116950 86170 109000 160500 07-26 116285 86170 112000 142800 07-27 115682 83690 111500 142800 07-28 115053 84550 110000 143000 07-29 114379 82610 110500 140700 07-30 113730 81290 107000 142400 07-31 113149 78080 106000 143200 08-01 111857 83300 102500 148800 08-02 108698 80570 105000 155000 08-03 106941 80650 104000 153500 08-04 106292 79400 105000 148800 08-05 105806 79580 105000 151000 08-06 105400 78460 108000 149600 08-07 105019 78450 107000 146700 08-08 104476 71860 106000 145200 08-09 103455 78120 106500 150100 08-10 103129 75900 106000 155800 08-11 102878 75200 102500 149000 08-12 102674 79320 103500 146500 08-13 102431 78740 101000 148100 08-14 102045 75250 102000 144900 08-15 101382 70650 102500 148700 08-16 101099 74440 103000 140600 08-17 100851 75680 98400 131600 08-18 100606 74710 99700 126100 08-19 100352 73570 99950 133200 08-20 100132 70950 101000 133100 08-21 99973 70690 97050 131400 08-22 99842 73980 97250 131100 08-23 99789 78640 99250 127200 08-24 99731 75140 96900 121700 08-25 99616 72520 94000 121700 08-26 99520 75110 89850 121200 08-27 99353 72420 91500 124600 08-28 99125 70770 89950 121000 08-29 98910 66170 94400 124300 08-30 98726 66280 89100 115300 08-31 98696 64550 89450 109700 09-01 93764 62930 85800 109400 09-02 78782 62000 82000 105500 09-03 78584 64670 80150 101900 09-04 78615 59640 79550 99810 09-05 78727 58000 81950 101800 09-06 78711 57950 83100 104900 09-07 78698 58380 81650 104000 09-08 78625 61710 81200 103900 09-09 78560 62950 81550 100900 09-10 78578 63100 80250 102700 09-11 78583 63420 81850 102900 09-12 78578 64450 78200 102560 09-13 78537 63760 78350 101000 09-14 78426 64610 80700 101900 09-15 78340 64780 78900 99190 09-16 78322 62530 79550 96010 09-17 78306 59500 77850 96030 09-18 78364 62350 77300 98820 09-19 78503 64450 77900 96270 09-20 78582 67100 79150 100560 09-21 78564 61970 78400 100880 09-22 78437 64040 78000 96550 09-23 78237 60730 78300 97890 09-24 78069 61850 79750 97860 09-25 78006 64580 77900 92420 09-26 77987 66020 76950 92370 09-27 78041 65220 76200 89940 09-28 78117 63320 76550 94640 09-29 78191 64520 77150 93760