(GIBO3) UMATILLA - NEAR GIBBON Discharge Monthly Volumes (kaf) from 07-22 to 11-19 Historical Observations Month FCST %Avg 90% 50% 10% Nov 2 70 2 3 5 Jul 1 88 1 1 1 Aug 2 92 2 3 3 Sep 2 90 2 3 3 Oct 2 80 3 3 5 Total 10 83 10 12 17 Historical Observations mm-dd FCST 90% 50% 10% 07-22 44 43 51 63 07-23 44 42 51 76 07-24 44 42 51 62 07-25 44 42 50 60 07-26 43 42 49 58 07-27 43 41 48 58 07-28 42 41 48 55 07-29 42 41 48 55 07-30 42 41 48 54 07-31 42 41 47 54 08-01 42 40 46 53 08-02 42 40 46 52 08-03 41 40 46 52 08-04 41 40 46 51 08-05 41 40 46 50 08-06 41 40 45 50 08-07 41 40 45 53 08-08 41 40 45 51 08-09 41 40 45 51 08-10 41 39 44 49 08-11 40 39 44 48 08-12 40 39 44 47 08-13 40 39 44 49 08-14 40 39 43 50 08-15 40 39 43 49 08-16 40 39 43 49 08-17 40 38 43 47 08-18 40 38 42 47 08-19 40 38 43 49 08-20 40 38 42 49 08-21 39 37 43 47 08-22 40 37 43 53 08-23 40 39 42 49 08-24 39 37 42 47 08-25 39 37 41 47 08-26 38 37 41 46 08-27 38 36 42 46 08-28 38 38 41 46 08-29 38 38 42 47 08-30 38 37 42 46 08-31 39 38 42 46 09-01 38 37 41 46 09-02 38 37 42 50 09-03 38 37 42 51 09-04 38 36 42 50 09-05 38 38 41 50 09-06 38 38 41 49 09-07 38 38 41 48 09-08 38 39 42 51 09-09 38 39 42 50 09-10 38 39 42 49 09-11 38 38 42 48 09-12 38 38 42 50 09-13 38 38 42 49 09-14 38 39 42 49 09-15 37 39 42 49 09-16 38 39 43 52 09-17 38 39 43 52 09-18 38 39 43 51 09-19 39 39 43 54 09-20 38 39 43 56 09-21 38 38 43 55 09-22 37 38 42 52 09-23 38 38 43 51 09-24 38 39 42 50 09-25 37 38 42 50 09-26 38 38 43 51 09-27 38 39 42 50 09-28 38 39 43 50 09-29 38 39 43 49 09-30 38 39 43 49 10-01 38 39 43 56 10-02 37 40 43 52 10-03 38 41 45 72 10-04 38 41 45 67 10-05 37 42 44 60 10-06 37 42 45 60 10-07 38 42 45 57 10-08 38 41 45 60 10-09 38 42 45 60 10-10 37 41 45 63 10-11 39 41 45 63 10-12 38 41 47 56 10-13 38 42 47 59 10-14 38 42 47 60 10-15 38 41 48 57 10-16 38 41 48 62 10-17 38 41 48 57 10-18 38 41 48 59 10-19 37 43 47 68 10-20 38 43 47 70 10-21 37 42 49 80 10-22 39 42 48 108 10-23 38 42 48 91 10-24 38 41 49 96 10-25 38 41 49 83 10-26 38 43 50 77 10-27 39 44 51 78 10-28 38 45 51 83 10-29 39 45 52 88 10-30 37 45 52 115 10-31 39 46 59 169 11-01 39 45 62 138 11-02 39 46 60 123 11-03 38 46 59 100 11-04 39 47 61 106 11-05 40 48 63 102 11-06 40 48 62 102 11-07 40 48 61 112 11-08 39 48 65 124 11-09 39 47 66 145 11-10 37 47 66 119 11-11 38 47 66 160 11-12 38 51 67 153 11-13 38 52 67 187 11-14 37 51 74 159 11-15 36 50 72 148 11-16 37 49 71 147 11-17 51 51 78 130 11-18 102 49 74 142 11-19 119 49 71 168