(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 03-02 to 06-30 Historical Observations Month FCST %Avg 90% 50% 10% Mar 5226 122 3120 4293 6159 Apr 4111 89 3194 4601 6833 May 6482 85 5410 7659 11614 Jun 9560 104 6783 9221 14298 Total 25380 98 18508 25774 38905 Historical Observations mm-dd FCST 90% 50% 10% 03-02 81708 53770 67450 99940 03-03 82628 52880 68600 100810 03-04 83066 55290 68700 97800 03-05 83606 51390 68200 96870 03-06 84395 49010 67100 94350 03-07 84711 52290 66500 93070 03-08 84601 52510 66700 92630 03-09 85024 51050 65550 92630 03-10 85982 50870 64550 99730 03-11 89114 53410 69500 96550 03-12 90566 49870 67700 102270 03-13 89755 49830 67750 103320 03-14 89232 54050 69700 101200 03-15 89227 54150 73350 96970 03-16 89338 56830 74450 99240 03-17 89558 53590 74500 98960 03-18 89603 54330 74950 98140 03-19 89495 58350 73150 99170 03-20 89434 51240 76950 103900 03-21 89473 49740 77050 103800 03-22 89697 51840 78650 111700 03-23 89897 52080 79200 117300 03-24 90123 49110 79550 118000 03-25 90380 51170 78950 114400 03-26 90241 50500 77750 109800 03-27 89416 53570 75400 111900 03-28 89312 56020 75900 113100 03-29 89240 53430 74200 114000 03-30 88665 53000 72650 113500 03-31 88165 48450 70150 111100 04-01 83267 48110 67900 100780 04-02 68411 42720 66700 101630 04-03 68161 41320 66000 98160 04-04 67842 44060 67500 100590 04-05 67518 45150 65100 95900 04-06 67349 45740 67650 94970 04-07 67145 45430 67400 99800 04-08 66816 47820 67650 102990 04-09 66688 50220 67950 109570 04-10 66520 47430 67400 108800 04-11 66216 46570 68500 102800 04-12 66009 49380 71100 110800 04-13 65820 49580 69100 113200 04-14 65611 51430 76500 111700 04-15 65554 53220 76200 104700 04-16 65450 56070 78050 107600 04-17 65293 53750 79050 106000 04-18 65239 53460 79100 111000 04-19 65243 54200 82400 119600 04-20 65283 55510 82200 113800 04-21 65791 53710 82750 115800 04-22 67207 55480 87650 119900 04-23 69686 61220 85600 122900 04-24 72036 62210 86600 129400 04-25 73518 64350 86200 135200 04-26 74299 67210 88600 134300 04-27 74855 66280 90200 139300 04-28 75800 63120 92300 145500 04-29 76933 67360 94350 145700 04-30 77731 68750 92450 143600 05-01 80256 67620 94850 143800 05-02 84503 69860 94550 141900 05-03 86118 76330 98350 141800 05-04 87173 70710 100750 145500 05-05 88032 73460 104500 151700 05-06 89465 70910 106000 161200 05-07 91326 75820 107000 164500 05-08 92545 70050 113500 161900 05-09 93112 71600 116000 163000 05-10 93622 73480 113000 157800 05-11 94367 81110 112000 161600 05-12 95739 78440 112000 168100 05-13 97745 77950 113500 179100 05-14 99854 89730 112500 190600 05-15 102917 86560 117000 194000 05-16 107542 88820 123000 195100 05-17 110809 92310 127500 193400 05-18 113225 91850 126000 196500 05-19 115471 95410 124500 196700 05-20 116484 99210 127000 202700 05-21 115403 95400 131500 217800 05-22 114609 98010 131000 211400 05-23 115890 95230 137000 220300 05-24 117097 101300 146000 225500 05-25 119178 102100 147000 225800 05-26 121650 104200 146500 223000 05-27 122259 106100 149000 218000 05-28 123458 102000 151500 219800 05-29 125108 105200 157500 222800 05-30 126431 108300 161000 227200 05-31 127484 109200 161000 234400 06-01 136404 111200 162500 236400 06-02 159992 112800 163000 240900 06-03 160938 109600 164000 240100 06-04 161834 113100 167500 236500 06-05 163116 118300 165000 232300 06-06 164428 120100 164000 230700 06-07 165720 119500 162500 233300 06-08 166753 120200 159000 241900 06-09 167366 127100 159000 246600 06-10 167632 124200 161000 245800 06-11 167726 127000 159000 250300 06-12 168089 114800 159000 252100 06-13 167591 116800 154500 250700 06-14 166187 117500 153500 250700 06-15 164449 116700 150500 249800 06-16 162915 115800 146000 249300 06-17 161130 113300 150000 249300 06-18 158460 118900 154000 247900 06-19 156054 118800 146000 242900 06-20 154224 115700 150000 239400 06-21 160106 112200 151000 237000 06-22 166413 114800 152500 235300 06-23 164935 109100 154500 252400 06-24 162891 109400 153500 253900 06-25 160437 106700 153500 244500 06-26 157762 102700 154000 236700 06-27 155008 104500 151500 221000 06-28 152624 102500 146000 211800 06-29 150679 104400 142500 221900 06-30 149321 102800 141000 229000