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• <br />• <br /> <br />Upper North Fork (USGS) <br />Daily Mean Discharge Values <br />(cubic feet per second) <br />Day Oct-02 Nov-02 Dec-02 Jan-03 Feb-03 Mar-03 Apr-03 May-03 Jun-03 Jul-03 Aug-03 Sep-03 <br />1 70 89 80 47 42 46 178 955 3550 71 13 20 <br />2 64 95 75 43 44 43 235 866 3370 61 17 16 <br />3 82 92 65 47 45 42 240 903 2520 75 17 14 <br />4 81 75 56 48 39 49 209 997 2010 28 15 12 <br />5 72 81 68 48 42 49 182 823 1680 20 14 16 <br />6 69 68 56 42 41 52 177 710 1270 18 13 35 <br />7 62 69 52 44 35 51 143 709 974 14 12 45 <br />8 52 90 45 43 35 55 74 668 821 12 12 51 <br />9 49 131 40 44 42 60 67 624 811 9 12 60 <br />10 45 127 28 48 45 72 148 619 781 9 12 256 <br />11 41 104 37 48 42 83 299 530 770 19 13 238 <br />12 36 78 49 46 44 123 403 632 738 10 16 175 <br />13 33 80 55 42 52 144 488 931 661 8 19 185 <br />14 30 96 51 48 57 173 856 1130 571 6 41 171 <br />15 25 87 50 47 59 178 963 1820 569 6 13 137 <br />16 33 65 51 39 53 187 624 2180 574 9 21 94 <br />17 38 66 53 45 49 182 610 2870 473 22 24 78 <br />18 50 90 53 42 46 160 559 3690 447 25 16 66 <br />19 48 62 45 48 44 146 456 3990 410 24 12 69 <br />20 45 73 42 48 40 136 419 3770 380 19 11 71 <br />21 42 76 50 49 47 143 478 3760 323 14 12 64 <br />22 41 78 45 48 47 141 706 3530 295 9 21 49 <br />23 57 83 37 45 46 159 766 3440 263 43 36 32 <br />24 77 85 44 45 41 199 556 3780 223 11 34 26 <br />25 88 82 47 47 47 195 613 3540 156 11 21 35 <br />26 79 70 42 45 47 189 963 3090 127 9 16 41 <br />27 94 47 43 42 47 186 1290 3340 114 25 15 21 <br />28 93 40 43 43 48 157 1420 3950 110 22 14 21 <br />29 94 62 45 42 -- 143 1290 3820 102 21 13 46 <br />30 85 66 45 39 -- 143 1050 3830 90 11 16 45 <br />31 -- 43 -- 1 8 -- -- <br />Mean 60.2 80.2 49.5 45.0 45.2 123.7 548.7 2213.1 839.4 20.9 17.4 73.0 <br />Min 25.0 40.0 28.0 39.0 35.0 42.0 67.0 530.0 90.0 5.6 11.0 12.0 <br />Max 94.0 131.0 80.0 49.0 59.0 199.0 1420.0 3990.0 3550.0 75.0 41.0 256.0 <br />A-1 <br />West Elk Mine <br />2003 Annual Hydrology Report HydroGeo, Inc. <br />