(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 06-15 to 10-13 Historical Observations Month FCST %Avg 90% 50% 10% Oct 2074 111 1504 1862 2454 Jun 4588 97 3507 4752 7579 Jul 7000 93 5640 7543 11176 Aug 5854 95 4603 6142 8439 Sep 4373 93 3726 4725 5902 Total 23888 95 18979 25025 35550 Historical Observations mm-dd FCST 90% 50% 10% 06-15 140891 116700 150500 249800 06-16 148164 115800 146000 249300 06-17 153744 113300 150000 249300 06-18 151791 118900 154000 247900 06-19 149162 118800 146000 242900 06-20 148061 115700 150000 239400 06-21 149200 112200 151000 237000 06-22 146986 114800 152500 235300 06-23 144994 109100 154500 252400 06-24 143892 109400 153500 253900 06-25 142808 106700 153500 244500 06-26 141904 102700 154000 236700 06-27 140895 104500 151500 221000 06-28 139006 102500 146000 211800 06-29 136398 104400 142500 221900 06-30 135543 102800 141000 229000 07-01 134636 101400 140500 222100 07-02 134562 100550 139500 215800 07-03 133076 100200 136000 206200 07-04 131399 98160 137500 199200 07-05 129707 100600 135500 201100 07-06 128097 98150 137500 194100 07-07 126564 99590 135500 197200 07-08 125139 99520 136500 194700 07-09 123725 95970 132000 194400 07-10 122374 97480 133000 197000 07-11 121090 92960 131000 195800 07-12 119793 90690 130000 202800 07-13 118429 92180 129500 203300 07-14 117048 98530 128500 198300 07-15 115838 94700 123500 195600 07-16 114542 94310 118500 183900 07-17 113188 93510 116500 186500 07-18 111854 88490 116000 180900 07-19 110807 90680 115000 180700 07-20 109042 88160 113000 184800 07-21 102969 89970 113500 178300 07-22 101811 85520 112500 172600 07-23 100910 84050 114000 168000 07-24 100347 86290 113000 167200 07-25 99674 86170 109000 160500 07-26 99128 86170 112000 142800 07-27 98537 83690 111500 142800 07-28 97607 84550 110000 143000 07-29 96721 82610 110500 140700 07-30 95977 81290 107000 142400 07-31 95375 78080 106000 143200 08-01 96337 83300 102500 148800 08-02 100559 80570 105000 155000 08-03 100400 80650 104000 153500 08-04 100172 79400 105000 148800 08-05 99770 79580 105000 151000 08-06 97761 78460 108000 149600 08-07 97238 78450 107000 146700 08-08 96952 71860 106000 145200 08-09 96665 78120 106500 150100 08-10 96312 75900 106000 155800 08-11 96030 75200 102500 149000 08-12 95792 79320 103500 146500 08-13 95530 78740 101000 148100 08-14 95242 75250 102000 144900 08-15 94919 70650 102500 148700 08-16 94603 74440 103000 140600 08-17 94352 75680 98400 131600 08-18 94168 74710 99700 126100 08-19 93993 73570 99950 133200 08-20 93783 70950 101000 133100 08-21 93572 70690 97050 131400 08-22 93411 73980 97250 131100 08-23 93344 78640 99250 127200 08-24 93258 75140 96900 121700 08-25 93129 72520 94000 121700 08-26 93019 75110 89850 121200 08-27 92826 72420 91500 124600 08-28 92578 70770 89950 121000 08-29 92339 66170 94400 124300 08-30 92147 66280 89100 115300 08-31 92111 64550 89450 109700 09-01 87696 62930 85800 109400 09-02 72936 62000 82000 105500 09-03 72329 64670 80150 101900 09-04 73178 59640 79550 99810 09-05 73588 58000 81950 101800 09-06 73540 57950 83100 104900 09-07 73497 58380 81650 104000 09-08 73403 61710 81200 103900 09-09 73323 62950 81550 100900 09-10 73339 63100 80250 102700 09-11 73346 63420 81850 102900 09-12 73332 64450 78200 102560 09-13 73269 63760 78350 101000 09-14 73135 64610 80700 101900 09-15 72999 64780 78900 99190 09-16 72946 62530 79550 96010 09-17 72908 59500 77850 96030 09-18 72964 62350 77300 98820 09-19 73088 64450 77900 96270 09-20 73152 67100 79150 100560 09-21 73131 61970 78400 100880 09-22 72989 64040 78000 96550 09-23 72778 60730 78300 97890 09-24 72598 61850 79750 97860 09-25 72529 64580 77900 92420 09-26 72503 66020 76950 92370 09-27 72551 65220 76200 89940 09-28 72612 63320 76550 94640 09-29 72695 64520 77150 93760 09-30 72733 58260 76800 89980 10-01 73030 57920 74700 97460 10-02 79186 54970 75000 92760 10-03 83524 57820 74200 97160 10-04 82564 59000 71000 95730 10-05 81369 58960 73500 104430 10-06 80877 57810 72900 101780 10-07 80712 58020 72050 106040 10-08 80659 58070 69400 100340 10-09 80594 60010 70800 86330 10-10 80543 59970 71700 87800 10-11 80543 57530 72050 86640 10-12 80924 59830 70950 92870 10-13 81310 58480 70800 88280