(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 03-23 to 07-21 Historical Observations Month FCST %Avg 90% 50% 10% Jul 6077 114 3978 5351 8155 Mar 1877 138 927 1356 2029 Apr 5780 126 3194 4601 6833 May 8288 108 5410 7659 11614 Jun 10811 117 6783 9221 14298 Total 32834 116 20292 28188 42930 Historical Observations mm-dd FCST 90% 50% 10% 03-23 103661 52080 79200 117300 03-24 103289 49110 79550 118000 03-25 103765 51170 78950 114400 03-26 105320 50500 77750 109800 03-27 106987 53570 75400 111900 03-28 109533 56020 75900 113100 03-29 108733 53430 74200 114000 03-30 104717 53000 72650 113500 03-31 100662 48450 70150 111100 04-01 95240 48110 67900 100780 04-02 87706 42720 66700 101630 04-03 87697 41320 66000 98160 04-04 87410 44060 67500 100590 04-05 86957 45150 65100 95900 04-06 86719 45740 67650 94970 04-07 85130 45430 67400 99800 04-08 84491 47820 67650 102990 04-09 84690 50220 67950 109570 04-10 84758 47430 67400 108800 04-11 84652 46570 68500 102800 04-12 84696 49380 71100 110800 04-13 84744 49580 69100 113200 04-14 84739 51430 76500 111700 04-15 91171 53220 76200 104700 04-16 111720 56070 78050 107600 04-17 111031 53750 79050 106000 04-18 109947 53460 79100 111000 04-19 108978 54200 82400 119600 04-20 108123 55510 82200 113800 04-21 107392 53710 82750 115800 04-22 106818 55480 87650 119900 04-23 106470 61220 85600 122900 04-24 106399 62210 86600 129400 04-25 106448 64350 86200 135200 04-26 106299 67210 88600 134300 04-27 106083 66280 90200 139300 04-28 106034 63120 92300 145500 04-29 106190 67360 94350 145700 04-30 106141 68750 92450 143600 05-01 117158 67620 94850 143800 05-02 128457 69860 94550 141900 05-03 127619 76330 98350 141800 05-04 126902 70710 100750 145500 05-05 126282 73460 104500 151700 05-06 125923 70910 106000 161200 05-07 126443 75820 107000 164500 05-08 127224 70050 113500 161900 05-09 127653 71600 116000 163000 05-10 127424 73480 113000 157800 05-11 126918 81110 112000 161600 05-12 123426 78440 112000 168100 05-13 116877 77950 113500 179100 05-14 118942 89730 112500 190600 05-15 122016 86560 117000 194000 05-16 126423 88820 123000 195100 05-17 131395 92310 127500 193400 05-18 135800 91850 126000 196500 05-19 139517 95410 124500 196700 05-20 141797 99210 127000 202700 05-21 141676 95400 131500 217800 05-22 140497 98010 131000 211400 05-23 142218 95230 137000 220300 05-24 144067 101300 146000 225500 05-25 146214 102100 147000 225800 05-26 147421 104200 146500 223000 05-27 148353 106100 149000 218000 05-28 151226 102000 151500 219800 05-29 154767 105200 157500 222800 05-30 158074 108300 161000 227200 05-31 160988 109200 161000 234400 06-01 166197 111200 162500 236400 06-02 175852 112800 163000 240900 06-03 178917 109600 164000 240100 06-04 182054 113100 167500 236500 06-05 185184 118300 165000 232300 06-06 189099 120100 164000 230700 06-07 198107 119500 162500 233300 06-08 203253 120200 159000 241900 06-09 202817 127100 159000 246600 06-10 201563 124200 161000 245800 06-11 200093 127000 159000 250300 06-12 198386 114800 159000 252100 06-13 196707 116800 154500 250700 06-14 195201 117500 153500 250700 06-15 193375 116700 150500 249800 06-16 191336 115800 146000 249300 06-17 188042 113300 150000 249300 06-18 183272 118900 154000 247900 06-19 180351 118800 146000 242900 06-20 178505 115700 150000 239400 06-21 178594 112200 151000 237000 06-22 178411 114800 152500 235300 06-23 176666 109100 154500 252400 06-24 174677 109400 153500 253900 06-25 172238 106700 153500 244500 06-26 168462 102700 154000 236700 06-27 159533 104500 151500 221000 06-28 153596 102500 146000 211800 06-29 151398 104400 142500 221900 06-30 149958 102800 141000 229000 07-01 148549 101400 140500 222100 07-02 146791 100550 139500 215800 07-03 144578 100200 136000 206200 07-04 141321 98160 137500 199200 07-05 138860 100600 135500 201100 07-06 137521 98150 137500 194100 07-07 136406 99590 135500 197200 07-08 135146 99520 136500 194700 07-09 133815 95970 132000 194400 07-10 132438 97480 133000 197000 07-11 131065 92960 131000 195800 07-12 129667 90690 130000 202800 07-13 128342 92180 129500 203300 07-14 127249 98530 128500 198300 07-15 126241 94700 123500 195600 07-16 124846 94310 118500 183900 07-17 150195 93510 116500 186500 07-18 194460 88490 116000 180900 07-19 190800 90680 115000 180700 07-20 186175 88160 113000 184800 07-21 180284 89970 113500 178300