(CIBW1) COLUMBIA - AT INTL BOUNDARY Discharge Monthly Volumes (kaf) from 06-08 to 10-06 Historical Observations Month FCST %Avg 90% 50% 10% Oct 1032 118 687 875 1169 Jun 7012 101 5187 6943 11026 Jul 7099 94 5640 7543 11176 Aug 6272 102 4603 6142 8439 Sep 4695 99 3726 4725 5902 Total 26110 100 19843 26229 37711 Historical Observations mm-dd FCST 90% 50% 10% 06-08 178780 120200 159000 241900 06-09 170175 127100 159000 246600 06-10 166513 124200 161000 245800 06-11 164520 127000 159000 250300 06-12 160865 114800 159000 252100 06-13 158747 116800 154500 250700 06-14 157293 117500 153500 250700 06-15 157076 116700 150500 249800 06-16 158396 115800 146000 249300 06-17 156521 113300 150000 249300 06-18 154557 118900 154000 247900 06-19 153136 118800 146000 242900 06-20 153678 115700 150000 239400 06-21 154441 112200 151000 237000 06-22 153049 114800 152500 235300 06-23 150864 109100 154500 252400 06-24 148515 109400 153500 253900 06-25 145879 106700 153500 244500 06-26 143170 102700 154000 236700 06-27 140532 104500 151500 221000 06-28 138332 102500 146000 211800 06-29 136351 104400 142500 221900 06-30 134682 102800 141000 229000 07-01 134753 101400 140500 222100 07-02 137510 100550 139500 215800 07-03 135733 100200 136000 206200 07-04 133538 98160 137500 199200 07-05 131405 100600 135500 201100 07-06 129521 98150 137500 194100 07-07 127744 99590 135500 197200 07-08 126077 99520 136500 194700 07-09 124435 95970 132000 194400 07-10 122853 97480 133000 197000 07-11 121416 92960 131000 195800 07-12 120178 90690 130000 202800 07-13 118912 92180 129500 203300 07-14 117568 98530 128500 198300 07-15 116337 94700 123500 195600 07-16 114968 94310 118500 183900 07-17 113521 93510 116500 186500 07-18 111921 88490 116000 180900 07-19 110213 90680 115000 180700 07-20 108498 88160 113000 184800 07-21 106133 89970 113500 178300 07-22 105055 85520 112500 172600 07-23 104147 84050 114000 168000 07-24 103366 86290 113000 167200 07-25 102585 86170 109000 160500 07-26 101900 86170 112000 142800 07-27 101274 83690 111500 142800 07-28 100598 84550 110000 143000 07-29 99904 82610 110500 140700 07-30 99232 81290 107000 142400 07-31 98621 78080 106000 143200 08-01 100596 83300 102500 148800 08-02 107729 80570 105000 155000 08-03 107543 80650 104000 153500 08-04 107272 79400 105000 148800 08-05 106908 79580 105000 151000 08-06 105702 78460 108000 149600 08-07 105246 78450 107000 146700 08-08 104690 71860 106000 145200 08-09 103666 78120 106500 150100 08-10 103319 75900 106000 155800 08-11 103041 75200 102500 149000 08-12 102816 79320 103500 146500 08-13 102572 78740 101000 148100 08-14 102309 75250 102000 144900 08-15 101882 70650 102500 148700 08-16 101222 74440 103000 140600 08-17 100965 75680 98400 131600 08-18 100717 74710 99700 126100 08-19 100467 73570 99950 133200 08-20 100235 70950 101000 133100 08-21 100056 70690 97050 131400 08-22 99924 73980 97250 131100 08-23 99867 78640 99250 127200 08-24 99794 75140 96900 121700 08-25 99683 72520 94000 121700 08-26 99588 75110 89850 121200 08-27 99411 72420 91500 124600 08-28 99168 70770 89950 121000 08-29 98942 66170 94400 124300 08-30 98763 66280 89100 115300 08-31 98740 64550 89450 109700 09-01 93797 62930 85800 109400 09-02 78802 62000 82000 105500 09-03 78602 64670 80150 101900 09-04 78632 59640 79550 99810 09-05 78747 58000 81950 101800 09-06 78728 57950 83100 104900 09-07 78711 58380 81650 104000 09-08 78632 61710 81200 103900 09-09 78564 62950 81550 100900 09-10 78583 63100 80250 102700 09-11 78597 63420 81850 102900 09-12 78587 64450 78200 102560 09-13 78536 63760 78350 101000 09-14 78414 64610 80700 101900 09-15 78316 64780 78900 99190 09-16 78304 62530 79550 96010 09-17 78283 59500 77850 96030 09-18 78336 62350 77300 98820 09-19 78470 64450 77900 96270 09-20 78548 67100 79150 100560 09-21 78524 61970 78400 100880 09-22 78395 64040 78000 96550 09-23 78204 60730 78300 97890 09-24 78036 61850 79750 97860 09-25 77965 64580 77900 92420 09-26 77948 66020 76950 92370 09-27 78014 65220 76200 89940 09-28 78084 63320 76550 94640 09-29 78150 64520 77150 93760 09-30 78193 58260 76800 89980 10-01 78456 57920 74700 97460 10-02 84281 54970 75000 92760 10-03 89168 57820 74200 97160 10-04 89637 59000 71000 95730 10-05 89547 58960 73500 104430 10-06 89390 57810 72900 101780