(FCFM8) NF FLATHEAD - NEAR COLUMBIA FALLS Discharge Monthly Volumes (kaf) from 03-09 to 07-07 Historical Observations Month FCST %Avg 90% 50% 10% Jul 68 99 36 69 146 Mar 61 128 25 47 144 Apr 153 78 85 197 372 May 491 93 294 529 955 Jun 501 94 285 531 963 Total 1273 93 724 1372 2580 Historical Observations mm-dd FCST 90% 50% 10% 03-09 1783 497 749 1384 03-10 1668 464 791 1457 03-11 1368 452 817 1505 03-12 1254 489 835 1874 03-13 1222 479 860 2078 03-14 1196 473 914 2008 03-15 1171 479 961 2210 03-16 1152 480 964 2624 03-17 1130 501 942 2504 03-18 1112 485 955 2980 03-19 1288 489 953 3889 03-20 1695 511 1005 4302 03-21 1574 517 989 4197 03-22 1408 569 1045 3812 03-23 1355 584 1100 3493 03-24 1319 594 1075 3536 03-25 1308 598 1105 4095 03-26 1283 594 1190 4001 03-27 1280 592 1245 4009 03-28 1292 593 1265 4036 03-29 1277 608 1360 3960 03-30 1265 657 1385 4228 03-31 1293 659 1395 4519 04-01 1357 649 1540 4456 04-02 1426 627 1680 4194 04-03 1470 621 1810 3959 04-04 1497 616 1870 4099 04-05 1500 622 1935 3893 04-06 1508 650 1865 4166 04-07 1541 681 2040 4370 04-08 1670 729 2175 5117 04-09 1830 787 2185 5307 04-10 1917 826 2325 4989 04-11 1970 821 2540 4837 04-12 2013 801 2625 5009 04-13 2037 884 2760 5649 04-14 2021 982 2840 6875 04-15 2081 1035 2720 6254 04-16 2168 1091 2705 5728 04-17 2300 1139 2890 5578 04-18 2547 1313 2910 5442 04-19 2768 1592 3385 5601 04-20 2883 1639 3710 5845 04-21 2989 1808 4035 6894 04-22 3205 1830 4490 7831 04-23 3610 1829 4785 8325 04-24 3907 2048 5140 9383 04-25 4043 2430 5035 9369 04-26 4055 2896 5040 9120 04-27 4037 3062 5475 8433 04-28 4090 3193 5540 8690 04-29 4265 3002 5655 8522 04-30 4373 2747 5515 9586 05-01 4468 2629 5385 10380 05-02 4703 2825 5425 10162 05-03 5159 3055 5505 9857 05-04 5715 3166 5600 10380 05-05 6082 3369 5395 10442 05-06 6269 3703 5840 11210 05-07 6507 3613 6260 12030 05-08 6683 3973 6930 12140 05-09 6685 4039 7175 12150 05-10 6626 3882 6805 12470 05-11 6722 3722 6995 12690 05-12 6939 3667 6970 14160 05-13 7329 3981 7035 16060 05-14 7734 4171 7570 17450 05-15 8093 4498 8805 18440 05-16 8772 4755 9170 17800 05-17 9360 4846 9610 17320 05-18 9575 5321 10260 17740 05-19 9491 5332 10400 20340 05-20 9258 5195 10950 20560 05-21 9037 5386 10850 20160 05-22 8908 5784 10100 19790 05-23 8962 5843 11550 17650 05-24 9970 5907 10950 17770 05-25 10250 5963 10700 17590 05-26 9618 5911 10600 18980 05-27 9590 6392 10900 18300 05-28 9758 6772 11000 16920 05-29 9666 6883 10150 16260 05-30 9633 7173 11050 16250 05-31 9926 6661 10700 18240 06-01 10064 6053 10650 21060 06-02 9949 6178 11000 19310 06-03 10011 6194 11700 16590 06-04 10067 6448 11600 17230 06-05 10071 7295 11150 16470 06-06 10191 6783 11150 18590 06-07 10245 6402 11100 18830 06-08 10228 5893 10750 20100 06-09 10130 5520 10500 19000 06-10 9809 5252 10250 14960 06-11 9496 4976 9880 15970 06-12 9246 4917 9510 17200 06-13 8915 5245 8965 15850 06-14 8657 5039 8945 14720 06-15 8491 5081 9245 14690 06-16 8334 4694 9035 15860 06-17 8278 4320 8910 15390 06-18 8347 4003 8820 16670 06-19 8247 4001 8625 18630 06-20 7959 3867 8515 16220 06-21 7921 3755 8535 15880 06-22 7776 3781 7870 14870 06-23 7368 3746 7950 14250 06-24 6961 3780 7300 15690 06-25 6566 3807 6665 16010 06-26 6209 3631 6290 14540 06-27 5984 3426 5975 12820 06-28 5889 3274 5745 12710 06-29 5712 3153 5755 13220 06-30 5574 3003 5415 12160 07-01 5461 2882 5285 12080 07-02 5257 2757 5280 11380 07-03 5068 2668 5010 11071 07-04 4914 2553 4985 11242 07-05 4708 2463 4920 10149 07-06 4493 2388 4690 9156 07-07 4325 2308 4405 8510