REP41566

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: WEST ELK MINE 2000 ANNUAL HYDROLOGY REPORT APPENDIX A
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

Table A-6

•
Middle Dry Fork
Daily Mean Discharge Values
[cubic feet per second]
Day Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep
1 (23) (23) (23) (24) 0.63 1.32 3.22 10.84 21.23 9.58 6.89 6.7
2 (23) (23) (23) (24) 0.72 1.34 3.36 11.21 19.96 9.96 6.85 6.3
3 (23) (23) (23) (24) 0.81 1.65 3.55 11.45 19.55 9.02 6.70 5.3
4 (23) (23) (23) (24) 0.67 2.42 3.92 11.22 19.83 8.90 6.64 5.4
5 (23) (23) (23) (24) 0.58 2.56 4.95 11.49 20.36 9.42 6.82 5.5
G (23) (23) (23) (24) 0.62 2.19 5.16 10.56 19.58 9.16 6.65 6.6
7 (23) (23) (23) (24) 0.75 1.72 5.54 11.55 19.36 9.46 6.63 6.5
8 (23) (23) (23) (24) 0.68 1.66 5.34 23.82 18.38 8.94 6.47 6.4
9 (23) (23) (23) (24) 0.54 1.65 5.87 18.30 18.90 9.34 6.16 6.8
10 (23) (23) (23) (24) 0.46 1.71 6.31 14.72 16.22 9.55 6.67 5.
11 (23) (23) (23) (24) 0.55 1.86 5.69 15.15 15.76 8.75 6.06 5.9
12 (23) (23) (23) (24) 0.60 1.76 5.65 16.03 14.49 8.20 (24) 5.6
13 (23) (23) (23) (24) 0.63 2.01 6.24 12.53 13.99 8.28 (24) 5.9
14 {23) (23) (23) (24) 0.62 1.97 6.71 11.21 12.61 7.63 (24) 6.3
15 (23) (23) (23) (24) 0.63 1.93 6.42 11.32 12.36 8.57 (24) 6.2
16 (23) (23) (23) (24) 0.55 1.96 6.10 11.30 12.66 12.47 (24) 6.2
17 (23) (23) (23) (24) 0.61 2.00 6.39 15.74 11.78 10.47 (24) 6.5
18 (23) (23) (23) 0.60 0.61 1.98 6.56 11.44 11.14 9.75 (24) 7.2
19 (23) (23) (23) 1.11 0.68 1.96 4.88 10.90 11.39 9.33 (24) 6.7
20 (23) (23) (24) 0.79 0.68 1.68 5.34 10.61 11.38 8.48 (24) 6.5
21 (23) (23) (24) 0.52 0.94 1.93 5.52 11.46 11.64 8.38 (24) 6.7
22 (23) (23) (24) 0.60 1.20 2.12 5.02 16.95 10.33 7.83 (24) 6.8
23 (23) (23) (24) 0.77 1.12 2.63 4.90 20.97 10.18 6.27 (24) 6.81
24 (23) (23) (24) 0.49 1.26 3.46 5.03 21.81 10.56 3.48 (24) 7.0
25 (23) (23) (24) 0.56 1.27 3.48 4.38 20.61 10.32 2.99 (24) 6.4
26 (23) (23) (24) 0.59 1.23 3.69 4.40 20.52 10.06 2.82 (24) 6.7
27 (23) (23) (24) 0.55 1.28 4.01 4.19 18.96 10.20 2.56 (24) 6.7
28 (23) (23) (24) 0.63 1.29 3.76 6.49 20.89 10.12 2.46 (24) 7.0
29 (23) (23) (24) 0.81 1.27 4.03 6.42 24.78 9.96 2.22 (24) 7.4
30 (23) (23) (24) 0.85 - - 3.87 9.85 23.98 9.76 4.53 (24) 6.9
31 (23) --- (24) 0.69 --- 3.64 --- 22.53 --- 6.80 (24) . ---
Mean (4) (4) (4) (4) 0.81 2.39 5.45 15.64 14.14 7.60 (4) 6.47
Min (4) (4) (4) (4) 0.46 1.32 3.22 10.56 9.76 2.22 (4) 5.36
Max (4) (4) (4) (4) 1.29 4.03 9.85 24.78 21.23 12.47 (4) 7.42
(4) Incomplete Data
(23) Recorder Shutdown
(24) Mechanical Malfunction
n
U
SurtaceMeanDischarge2000-revised West Elk Mine
10/15/2001 2000 Annual Hydrology Report Wright Water Engineers