EF-9 Yacolt Creek above Weaver Creek, WA DISCHARGE ( CFS ), WATER YEAR 2009 MEAN DAILY VALUES Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep ------------------------------------------------------------------------------------------------------- 1 1.4 2.5e 10 245 14 9.5 27 13 9.0 3.0 1.7 1.5 2 1.4 6.0e 14 315 14 11 41 16 9.2 2.9 1.7 1.5 3 1.6 5.7e 11 235 13 12 33 14 8.8 2.8 1.6 1.4 4 1.9 15 10 180 13 11 31 17 8.2 2.7 1.6 1.4 5 1.8 14 9.6 187 13 12 29 23 8.5 2.6 1.6 1.8 6 2.1 18 9.4 211 12 12 26 24 8.5 2.6 1.5 1.9 7 2.4 15 12 298 12 11 24 24 7.9 2.6 1.5 1.8 8 1.9 13 12 338 12 12 22 21 7.4 2.6 1.5 1.6 9 2.2 15 10 253 12 12 21 20 6.9 2.4 1.5 1.6 10 2.0 16 9.7 190 12 12 23 20 6.7 2.4 1.5 1.5 11 1.8 35 9.1 185 12 12 18 19 6.7 2.4 1.6 1.5 12 1.6 113 13 145 11 12 21 21 6.4 2.5 2.2 1.6 13 1.6 135 22 111 11 12 25 22 6.1 2.6 1.9 1.6 14 1.6 67 30 88 10 15 22 34 6.2 2.4 1.8 1.6 15 1.6 48 19 71 10 33 19 23 5.7 2.3 1.8 1.6 16 1.6 36 17 58 10.0 21 18 21 5.4 2.2 1.8 1.6 17 1.6 29 18 47 9.7 21 20 20 5.2 2.1 1.8 1.6 18 1.6 24 20 40 9.3 20 18 19 4.9 2.0 1.7 1.6 19 1.5 20 17 35 9.2 19 17 24 5.6 2.0 1.7 1.7 20 1.9 23 16 30 9.1 19 16 21 5.6 2.0 1.6 1.8 21 2.1 21 15 26 8.9 17 15 17 5.1 1.9 1.6 1.8 22 1.9e 18 15 24 8.9 16 15 16 5.0 1.9 1.6 1.8 23 1.8e 15 13 22 9.9 16 14 15 4.4 1.9 1.6 1.9 24 1.8e 13 14 20 12 18 14 14 4.2 1.9 1.6 1.8 25 1.8e 12 18 19 11 24 14 13 4.2 1.9 1.6 1.8 26 1.7e 11 15 17 11 19 13 12 3.9 1.8 1.6 1.8 27 1.7e 11 69 18 9.8 18 13 12 3.6 1.8 1.5 1.8 28 1.7e 11 115 20 9.5 25 17 11 3.5 1.7 1.5 1.9 29 1.7e 13 123 18 --- 26 19 10 3.3 1.7 1.6 2.0 30 1.6e 12 114 16 --- 21 15 9.8 3.2 1.7 1.5 2.0 31 2.2e --- 123 15 --- 24 --- 9.3 --- 1.7 1.5 --- TOTAL 55.1 787.2 922.8 3477 309.3 522.5 620 555.1 179.3 69 50.8 50.8 MEAN 1.8 26.3 29.8 112.2 11.0 16.8 20.7 17.9 6.0 2.2 1.6 1.7 MAX 2.4 135 123 338 14 33 41 34 9.2 3.0 2.2 2.0 MIN 1.4 2.5 9.1 15 8.9 9.5 13 9.3 3.2 1.7 1.5 1.4 AC-FT 109 1561 1830 6897 613 1036 1230 1101 356 137 101 101 CAL YEAR 2008 TOTAL 1765 MEAN 19.2 MAX 135.0 MIN 1.4 AC-FT 3501 WTR YEAR 2009 TOTAL 7599 MEAN 20.8 MAX 338.0 MIN 1.4 AC-FT 15070