(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 05-26 to 09-23 Historical Observations Month FCST %Avg 90% 50% 10% Sep 3452 95 2846 3652 4611 May 1924 105 1259 1837 2668 Jun 9911 107 6783 9221 14298 Jul 7519 100 5640 7543 11176 Aug 6198 101 4603 6142 8439 Total 29004 102 21130 28395 41192 Historical Observations mm-dd FCST 90% 50% 10% 05-26 141205 104200 146500 223000 05-27 143518 106100 149000 218000 05-28 152129 102000 151500 219800 05-29 166161 105200 157500 222800 05-30 177867 108300 161000 227200 05-31 189521 109200 161000 234400 06-01 199026 111200 162500 236400 06-02 201815 112800 163000 240900 06-03 200158 109600 164000 240100 06-04 196611 113100 167500 236500 06-05 193827 118300 165000 232300 06-06 193251 120100 164000 230700 06-07 193610 119500 162500 233300 06-08 190781 120200 159000 241900 06-09 187283 127100 159000 246600 06-10 183457 124200 161000 245800 06-11 179975 127000 159000 250300 06-12 176672 114800 159000 252100 06-13 173366 116800 154500 250700 06-14 170213 117500 153500 250700 06-15 167133 116700 150500 249800 06-16 164029 115800 146000 249300 06-17 160012 113300 150000 249300 06-18 154717 118900 154000 247900 06-19 151279 118800 146000 242900 06-20 149152 115700 150000 239400 06-21 149736 112200 151000 237000 06-22 150372 114800 152500 235300 06-23 148165 109100 154500 252400 06-24 145755 109400 153500 253900 06-25 143300 106700 153500 244500 06-26 140508 102700 154000 236700 06-27 137356 104500 151500 221000 06-28 134471 102500 146000 211800 06-29 131933 104400 142500 221900 06-30 129801 102800 141000 229000 07-01 133747 101400 140500 222100 07-02 148218 100550 139500 215800 07-03 145957 100200 136000 206200 07-04 143117 98160 137500 199200 07-05 140714 100600 135500 201100 07-06 138758 98150 137500 194100 07-07 140101 99590 135500 197200 07-08 139102 99520 136500 194700 07-09 136761 95970 132000 194400 07-10 134291 97480 133000 197000 07-11 132334 92960 131000 195800 07-12 131190 90690 130000 202800 07-13 129324 92180 129500 203300 07-14 123695 98530 128500 198300 07-15 120810 94700 123500 195600 07-16 119237 94310 118500 183900 07-17 117318 93510 116500 186500 07-18 114956 88490 116000 180900 07-19 113127 90680 115000 180700 07-20 111746 88160 113000 184800 07-21 110689 89970 113500 178300 07-22 109795 85520 112500 172600 07-23 108975 84050 114000 168000 07-24 108264 86290 113000 167200 07-25 107522 86170 109000 160500 07-26 106864 86170 112000 142800 07-27 106261 83690 111500 142800 07-28 105632 84550 110000 143000 07-29 104971 82610 110500 140700 07-30 104325 81290 107000 142400 07-31 103754 78080 106000 143200 08-01 103771 83300 102500 148800 08-02 104957 80570 105000 155000 08-03 104546 80650 104000 153500 08-04 104094 79400 105000 148800 08-05 103623 79580 105000 151000 08-06 103229 78460 108000 149600 08-07 102854 78450 107000 146700 08-08 102545 71860 106000 145200 08-09 102234 78120 106500 150100 08-10 101894 75900 106000 155800 08-11 101637 75200 102500 149000 08-12 101437 79320 103500 146500 08-13 101213 78740 101000 148100 08-14 100968 75250 102000 144900 08-15 100695 70650 102500 148700 08-16 100428 74440 103000 140600 08-17 100191 75680 98400 131600 08-18 99950 74710 99700 126100 08-19 99695 73570 99950 133200 08-20 99474 70950 101000 133100 08-21 99311 70690 97050 131400 08-22 99193 73980 97250 131100 08-23 99137 78640 99250 127200 08-24 99086 75140 96900 121700 08-25 98987 72520 94000 121700 08-26 98898 75110 89850 121200 08-27 98724 72420 91500 124600 08-28 98502 70770 89950 121000 08-29 98301 66170 94400 124300 08-30 98128 66280 89100 115300 08-31 98101 64550 89450 109700 09-01 92449 62930 85800 109400 09-02 75211 62000 82000 105500 09-03 74970 64670 80150 101900 09-04 75005 59640 79550 99810 09-05 75124 58000 81950 101800 09-06 75111 57950 83100 104900 09-07 75095 58380 81650 104000 09-08 75021 61710 81200 103900 09-09 74965 62950 81550 100900 09-10 74993 63100 80250 102700 09-11 75005 63420 81850 102900 09-12 74990 64450 78200 102560 09-13 74944 63760 78350 101000 09-14 74830 64610 80700 101900 09-15 74743 64780 78900 99190 09-16 74726 62530 79550 96010 09-17 74711 59500 77850 96030 09-18 74771 62350 77300 98820 09-19 74909 64450 77900 96270 09-20 74982 67100 79150 100560 09-21 74961 61970 78400 100880 09-22 74836 64040 78000 96550 09-23 74677 60730 78300 97890