(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 03-30 to 07-28 Historical Observations Month FCST %Avg 90% 50% 10% Jul 7157 104 5160 6902 10331 Mar 398 141 201 283 445 Apr 6278 136 3194 4601 6833 May 9606 125 5410 7659 11614 Jun 10558 114 6783 9221 14298 Total 33997 119 20749 28666 43522 Historical Observations mm-dd FCST 90% 50% 10% 03-30 101326 53000 72650 113500 03-31 99370 48450 70150 111100 04-01 99019 48110 67900 100780 04-02 97535 42720 66700 101630 04-03 97283 41320 66000 98160 04-04 97430 44060 67500 100590 04-05 97452 45150 65100 95900 04-06 97622 45740 67650 94970 04-07 99327 45430 67400 99800 04-08 100576 47820 67650 102990 04-09 101720 50220 67950 109570 04-10 102445 47430 67400 108800 04-11 102427 46570 68500 102800 04-12 102221 49380 71100 110800 04-13 102022 49580 69100 113200 04-14 101844 51430 76500 111700 04-15 102169 53220 76200 104700 04-16 109816 56070 78050 107600 04-17 110444 53750 79050 106000 04-18 110754 53460 79100 111000 04-19 111033 54200 82400 119600 04-20 111255 55510 82200 113800 04-21 110682 53710 82750 115800 04-22 108033 55480 87650 119900 04-23 109324 61220 85600 122900 04-24 110974 62210 86600 129400 04-25 111924 64350 86200 135200 04-26 111718 67210 88600 134300 04-27 111251 66280 90200 139300 04-28 111655 63120 92300 145500 04-29 112518 67360 94350 145700 04-30 113580 68750 92450 143600 05-01 126999 67620 94850 143800 05-02 130038 69860 94550 141900 05-03 129376 76330 98350 141800 05-04 129647 70710 100750 145500 05-05 129707 73460 104500 151700 05-06 133739 70910 106000 161200 05-07 140038 75820 107000 164500 05-08 142977 70050 113500 161900 05-09 143267 71600 116000 163000 05-10 140512 73480 113000 157800 05-11 141239 81110 112000 161600 05-12 142419 78440 112000 168100 05-13 144307 77950 113500 179100 05-14 146920 89730 112500 190600 05-15 152814 86560 117000 194000 05-16 158109 88820 123000 195100 05-17 160896 92310 127500 193400 05-18 163803 91850 126000 196500 05-19 167400 95410 124500 196700 05-20 170149 99210 127000 202700 05-21 172027 95400 131500 217800 05-22 173510 98010 131000 211400 05-23 174971 95230 137000 220300 05-24 176559 101300 146000 225500 05-25 177803 102100 147000 225800 05-26 179309 104200 146500 223000 05-27 178787 106100 149000 218000 05-28 177377 102000 151500 219800 05-29 178214 105200 157500 222800 05-30 179911 108300 161000 227200 05-31 181531 109200 161000 234400 06-01 182921 111200 162500 236400 06-02 186465 112800 163000 240900 06-03 189644 109600 164000 240100 06-04 191802 113100 167500 236500 06-05 191923 118300 165000 232300 06-06 191916 120100 164000 230700 06-07 191902 119500 162500 233300 06-08 191450 120200 159000 241900 06-09 190331 127100 159000 246600 06-10 188578 124200 161000 245800 06-11 186549 127000 159000 250300 06-12 184479 114800 159000 252100 06-13 182435 116800 154500 250700 06-14 180566 117500 153500 250700 06-15 178556 116700 150500 249800 06-16 176450 115800 146000 249300 06-17 179824 113300 150000 249300 06-18 180644 118900 154000 247900 06-19 175834 118800 146000 242900 06-20 170879 115700 150000 239400 06-21 169060 112200 151000 237000 06-22 168899 114800 152500 235300 06-23 166481 109100 154500 252400 06-24 162965 109400 153500 253900 06-25 159136 106700 153500 244500 06-26 162082 102700 154000 236700 06-27 162684 104500 151500 221000 06-28 162644 102500 146000 211800 06-29 159786 104400 142500 221900 06-30 157258 102800 141000 229000 07-01 166318 101400 140500 222100 07-02 166115 100550 139500 215800 07-03 162538 100200 136000 206200 07-04 156269 98160 137500 199200 07-05 151315 100600 135500 201100 07-06 148079 98150 137500 194100 07-07 146286 99590 135500 197200 07-08 143996 99520 136500 194700 07-09 141910 95970 132000 194400 07-10 139736 97480 133000 197000 07-11 138016 92960 131000 195800 07-12 136894 90690 130000 202800 07-13 135083 92180 129500 203300 07-14 133119 98530 128500 198300 07-15 130994 94700 123500 195600 07-16 127574 94310 118500 183900 07-17 121702 93510 116500 186500 07-18 117105 88490 116000 180900 07-19 114174 90680 115000 180700 07-20 111484 88160 113000 184800 07-21 109867 89970 113500 178300 07-22 108330 85520 112500 172600 07-23 104959 84050 114000 168000 07-24 102518 86290 113000 167200 07-25 101485 86170 109000 160500 07-26 100376 86170 112000 142800 07-27 97872 83690 111500 142800 07-28 94867 84550 110000 143000