(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 02-17 to 06-17 Historical Observations Month FCST %Avg 90% 50% 10% Jun 5690 106 3962 5354 8203 Feb 2516 145 1334 1739 2700 Mar 5595 126 3228 4427 6366 Apr 3920 85 3194 4601 6833 May 6706 88 5410 7659 11614 Total 24427 103 17129 23780 35716 Historical Observations mm-dd FCST 90% 50% 10% 02-17 107267 55900 73400 115000 02-18 107661 55370 74200 115700 02-19 108777 56050 77600 113900 02-20 108292 57430 77650 114900 02-21 106740 54950 76050 115000 02-22 105824 56230 72800 114000 02-23 106950 57000 75400 116000 02-24 105231 55730 71850 113900 02-25 103119 57520 70800 114500 02-26 102089 56160 68400 112900 02-27 102539 55440 70300 111000 02-28 104173 55010 68550 104800 03-01 101408 54270 67600 103900 03-02 93594 53770 67450 99940 03-03 93042 52880 68600 100810 03-04 92952 55290 68700 97800 03-05 92772 51390 68200 96870 03-06 92258 49010 67100 94350 03-07 90782 52290 66500 93070 03-08 90864 52510 66700 92630 03-09 90823 51050 65550 92630 03-10 90597 50870 64550 99730 03-11 89143 53410 69500 96550 03-12 87757 49870 67700 102270 03-13 87994 49830 67750 103320 03-14 88575 54050 69700 101200 03-15 89293 54150 73350 96970 03-16 90110 56830 74450 99240 03-17 90908 53590 74500 98960 03-18 91096 54330 74950 98140 03-19 90907 58350 73150 99170 03-20 90915 51240 76950 103900 03-21 91011 49740 77050 103800 03-22 91111 51840 78650 111700 03-23 90986 52080 79200 117300 03-24 90815 49110 79550 118000 03-25 90757 51170 78950 114400 03-26 90821 50500 77750 109800 03-27 90322 53570 75400 111900 03-28 90054 56020 75900 113100 03-29 90123 53430 74200 114000 03-30 89846 53000 72650 113500 03-31 89641 48450 70150 111100 04-01 83727 48110 67900 100780 04-02 62159 42720 66700 101630 04-03 59020 41320 66000 98160 04-04 57738 44060 67500 100590 04-05 57393 45150 65100 95900 04-06 58071 45740 67650 94970 04-07 59368 45430 67400 99800 04-08 59823 47820 67650 102990 04-09 60581 50220 67950 109570 04-10 61293 47430 67400 108800 04-11 61388 46570 68500 102800 04-12 61295 49380 71100 110800 04-13 61206 49580 69100 113200 04-14 61045 51430 76500 111700 04-15 61073 53220 76200 104700 04-16 61059 56070 78050 107600 04-17 61436 53750 79050 106000 04-18 62341 53460 79100 111000 04-19 63702 54200 82400 119600 04-20 65032 55510 82200 113800 04-21 66248 53710 82750 115800 04-22 67395 55480 87650 119900 04-23 68903 61220 85600 122900 04-24 71265 62210 86600 129400 04-25 74023 64350 86200 135200 04-26 76101 67210 88600 134300 04-27 77176 66280 90200 139300 04-28 77925 63120 92300 145500 04-29 78963 67360 94350 145700 04-30 80056 68750 92450 143600 05-01 82563 67620 94850 143800 05-02 81626 69860 94550 141900 05-03 81014 76330 98350 141800 05-04 82281 70710 100750 145500 05-05 83709 73460 104500 151700 05-06 85239 70910 106000 161200 05-07 88405 75820 107000 164500 05-08 91179 70050 113500 161900 05-09 93052 71600 116000 163000 05-10 94436 73480 113000 157800 05-11 95468 81110 112000 161600 05-12 96748 78440 112000 168100 05-13 98433 77950 113500 179100 05-14 99875 89730 112500 190600 05-15 103167 86560 117000 194000 05-16 114678 88820 123000 195100 05-17 117382 92310 127500 193400 05-18 119361 91850 126000 196500 05-19 121833 95410 124500 196700 05-20 124079 99210 127000 202700 05-21 125582 95400 131500 217800 05-22 126736 98010 131000 211400 05-23 127973 95230 137000 220300 05-24 129553 101300 146000 225500 05-25 130882 102100 147000 225800 05-26 132045 104200 146500 223000 05-27 129780 106100 149000 218000 05-28 125799 102000 151500 219800 05-29 125721 105200 157500 222800 05-30 132403 108300 161000 227200 05-31 140992 109200 161000 234400 06-01 147278 111200 162500 236400 06-02 154004 112800 163000 240900 06-03 156460 109600 164000 240100 06-04 157986 113100 167500 236500 06-05 159238 118300 165000 232300 06-06 161061 120100 164000 230700 06-07 171024 119500 162500 233300 06-08 180303 120200 159000 241900 06-09 181338 127100 159000 246600 06-10 180966 124200 161000 245800 06-11 179832 127000 159000 250300 06-12 178454 114800 159000 252100 06-13 177168 116800 154500 250700 06-14 174009 117500 153500 250700 06-15 171509 116700 150500 249800 06-16 170138 115800 146000 249300 06-17 168780 113300 150000 249300