(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 03-09 to 07-07 Historical Observations Month FCST %Avg 90% 50% 10% Jul 2433 128 1385 1908 2847 Mar 4386 131 2392 3354 4820 Apr 4632 101 3194 4601 6833 May 7146 93 5410 7659 11614 Jun 11141 121 6783 9221 14298 Total 29738 111 19165 26743 40413 Historical Observations mm-dd FCST 90% 50% 10% 03-09 82676 51050 65550 92630 03-10 84534 50870 64550 99730 03-11 87041 53410 69500 96550 03-12 88957 49870 67700 102270 03-13 89940 49830 67750 103320 03-14 91138 54050 69700 101200 03-15 92460 54150 73350 96970 03-16 92676 56830 74450 99240 03-17 92686 53590 74500 98960 03-18 94787 54330 74950 98140 03-19 98174 58350 73150 99170 03-20 99618 51240 76950 103900 03-21 100387 49740 77050 103800 03-22 100950 51840 78650 111700 03-23 101614 52080 79200 117300 03-24 102065 49110 79550 118000 03-25 102251 51170 78950 114400 03-26 102214 50500 77750 109800 03-27 101919 53570 75400 111900 03-28 101630 56020 75900 113100 03-29 101510 53430 74200 114000 03-30 101411 53000 72650 113500 03-31 101370 48450 70150 111100 04-01 95688 48110 67900 100780 04-02 76816 42720 66700 101630 04-03 76381 41320 66000 98160 04-04 76286 44060 67500 100590 04-05 76175 45150 65100 95900 04-06 76156 45740 67650 94970 04-07 74718 45430 67400 99800 04-08 74079 47820 67650 102990 04-09 74220 50220 67950 109570 04-10 74298 47430 67400 108800 04-11 74224 46570 68500 102800 04-12 74293 49380 71100 110800 04-13 74374 49580 69100 113200 04-14 74376 51430 76500 111700 04-15 74990 53220 76200 104700 04-16 75425 56070 78050 107600 04-17 71493 53750 79050 106000 04-18 71628 53460 79100 111000 04-19 72917 54200 82400 119600 04-20 74522 55510 82200 113800 04-21 75979 53710 82750 115800 04-22 77635 55480 87650 119900 04-23 79480 61220 85600 122900 04-24 80678 62210 86600 129400 04-25 82273 64350 86200 135200 04-26 83607 67210 88600 134300 04-27 84461 66280 90200 139300 04-28 85237 63120 92300 145500 04-29 86336 67360 94350 145700 04-30 87214 68750 92450 143600 05-01 90679 67620 94850 143800 05-02 94294 69860 94550 141900 05-03 94896 76330 98350 141800 05-04 95832 70710 100750 145500 05-05 95577 73460 104500 151700 05-06 95202 70910 106000 161200 05-07 97944 75820 107000 164500 05-08 100124 70050 113500 161900 05-09 101381 71600 116000 163000 05-10 102007 73480 113000 157800 05-11 102337 81110 112000 161600 05-12 103438 78440 112000 168100 05-13 105206 77950 113500 179100 05-14 107189 89730 112500 190600 05-15 110414 86560 117000 194000 05-16 114005 88820 123000 195100 05-17 116427 92310 127500 193400 05-18 118978 91850 126000 196500 05-19 122084 95410 124500 196700 05-20 124797 99210 127000 202700 05-21 126883 95400 131500 217800 05-22 128492 98010 131000 211400 05-23 130054 95230 137000 220300 05-24 131753 101300 146000 225500 05-25 133028 102100 147000 225800 05-26 134585 104200 146500 223000 05-27 137026 106100 149000 218000 05-28 140809 102000 151500 219800 05-29 145004 105200 157500 222800 05-30 149372 108300 161000 227200 05-31 153634 109200 161000 234400 06-01 164158 111200 162500 236400 06-02 186809 112800 163000 240900 06-03 190381 109600 164000 240100 06-04 193002 113100 167500 236500 06-05 195321 118300 165000 232300 06-06 197806 120100 164000 230700 06-07 201009 119500 162500 233300 06-08 202390 120200 159000 241900 06-09 199902 127100 159000 246600 06-10 198106 124200 161000 245800 06-11 196661 127000 159000 250300 06-12 195024 114800 159000 252100 06-13 193351 116800 154500 250700 06-14 191676 117500 153500 250700 06-15 189804 116700 150500 249800 06-16 188266 115800 146000 249300 06-17 186110 113300 150000 249300 06-18 181986 118900 154000 247900 06-19 179039 118800 146000 242900 06-20 177068 115700 150000 239400 06-21 178365 112200 151000 237000 06-22 179299 114800 152500 235300 06-23 177295 109100 154500 252400 06-24 175024 109400 153500 253900 06-25 172328 106700 153500 244500 06-26 169470 102700 154000 236700 06-27 181066 104500 151500 221000 06-28 194953 102500 146000 211800 06-29 192311 104400 142500 221900 06-30 190043 102800 141000 229000 07-01 187145 101400 140500 222100 07-02 183481 100550 139500 215800 07-03 180290 100200 136000 206200 07-04 174393 98160 137500 199200 07-05 169988 100600 135500 201100 07-06 166917 98150 137500 194100 07-07 164654 99590 135500 197200