(CFMM8) FLATHEAD - AT COLUMBIA FALLS Discharge Monthly Volumes (kaf) from 03-25 to 07-23 Historical Observations Month FCST %Avg 90% 50% 10% Jul 386 73 258 529 972 Mar 51 74 48 68 251 Apr 375 56 293 666 1220 May 1219 90 776 1359 2251 Jun 1202 91 683 1320 2327 Total 3233 82 2059 3942 7020 Historical Observations mm-dd FCST 90% 50% 10% 03-25 4003 3503 4485 15300 03-26 3806 3429 4830 18870 03-27 3638 3463 4955 18670 03-28 3568 3524 4950 17950 03-29 3517 3490 5060 18660 03-30 3465 3491 4990 18560 03-31 3474 3531 5105 18400 04-01 3513 3603 5500 18370 04-02 3543 3643 5835 17780 04-03 3634 3655 6575 15790 04-04 3927 3650 6665 14750 04-05 4210 3651 7305 14790 04-06 4277 3663 6705 18270 04-07 4307 3505 6445 17780 04-08 4462 3657 7245 18870 04-09 4701 3695 8075 18380 04-10 4912 3802 8555 19960 04-11 5023 3669 9500 19880 04-12 5122 3680 9895 19820 04-13 5206 4511 11000 19380 04-14 5263 4315 11250 19190 04-15 5379 4119 11600 19170 04-16 5509 3970 12000 18840 04-17 5700 3814 12100 19000 04-18 6128 3823 12350 19670 04-19 6627 4540 12450 19300 04-20 6981 5387 12650 19580 04-21 7300 5472 12750 20990 04-22 7800 5443 14000 23260 04-23 8493 6513 14000 25650 04-24 8985 6933 14850 24300 04-25 9331 7115 16200 26980 04-26 9383 7230 15500 25060 04-27 9400 7318 15950 22500 04-28 9649 7727 15850 23450 04-29 10008 8142 16150 25290 04-30 10216 7628 16700 29310 05-01 10463 8256 15950 28580 05-02 11332 8302 15800 28220 05-03 13014 9120 15750 27350 05-04 15133 9215 16050 27620 05-05 16955 8846 16600 25690 05-06 17398 11010 16600 26410 05-07 17861 10960 17750 25660 05-08 18111 10450 19500 25650 05-09 17972 10210 20450 29050 05-10 17982 11070 20750 33920 05-11 17870 10750 19950 35280 05-12 17945 10620 19450 38960 05-13 18471 11940 18900 38530 05-14 19234 10920 20250 39870 05-15 19831 11670 21550 42190 05-16 20710 12140 22100 40510 05-17 21294 13070 25700 37550 05-18 21485 13550 26600 40300 05-19 21612 12940 26400 42220 05-20 21854 13950 29100 41830 05-21 21996 13550 26750 41450 05-22 22122 14780 25300 41670 05-23 22255 14030 26350 41400 05-24 23277 15520 26100 43170 05-25 23898 16060 26200 43980 05-26 23524 16330 25500 43240 05-27 23839 15650 25600 42710 05-28 24324 16320 27050 38260 05-29 24295 17220 23800 39640 05-30 24154 17620 23000 40660 05-31 24613 15060 24600 43330 06-01 25203 14030 25350 45420 06-02 25556 14770 26000 44940 06-03 25497 14970 27650 41490 06-04 25274 15040 28000 40330 06-05 24920 16040 26750 41380 06-06 24652 14930 27150 41420 06-07 24460 13550 27750 41760 06-08 24082 14650 24900 40270 06-09 23659 13410 24500 39340 06-10 22976 11920 24550 39290 06-11 22364 11440 23600 38770 06-12 21851 11590 22800 39520 06-13 21222 11800 21600 37200 06-14 20872 11540 22200 36600 06-15 20717 11810 21800 39000 06-16 20417 11810 21050 41290 06-17 20369 10920 22750 40610 06-18 20208 10410 22600 40470 06-19 19629 9975 22400 38710 06-20 19223 9597 22900 38170 06-21 19177 9262 20950 38130 06-22 18816 9679 20100 34940 06-23 18522 9596 19600 37180 06-24 17743 9533 19000 40170 06-25 15586 9796 17800 40330 06-26 13103 9404 17200 37530 06-27 12767 7914 16800 33610 06-28 12637 7764 16650 33220 06-29 12349 8986 15850 37220 06-30 12186 8487 15350 34920 07-01 11646 8084 15400 34400 07-02 10756 7886 15050 32390 07-03 10462 7084 14800 31810 07-04 10304 6848 14000 29900 07-05 9991 6470 13400 29460 07-06 9636 6748 13450 27430 07-07 9374 6493 13150 23890 07-08 9105 5862 12850 22910 07-09 8832 5561 12600 21990 07-10 8586 5790 12350 20990 07-11 8386 5432 11950 20120 07-12 8190 5142 11500 19350 07-13 7984 5456 11000 18520 07-14 7781 5139 10650 18280 07-15 7636 4728 10250 18270 07-16 7482 5299 10150 17730 07-17 7320 5067 10100 17380 07-18 7180 4468 9790 16490 07-19 7054 4252 9065 15750 07-20 6937 4716 8760 13750 07-21 6829 4658 8790 13080 07-22 6726 4570 8970 13150 07-23 6642 4451 8620 12970