annexc - Newmont Mining Corporation
annexc - Newmont Mining Corporation
annexc - Newmont Mining Corporation
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Discharge at Ofoase-Praso - 1960 to 1978 and 1991 to 1999<br />
Flows in m3/s<br />
Month<br />
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean for the year<br />
1960 NR NR 6.4 10.3 7.5 30.2 23.2 15.4 12.4 69.0 26.1 10.6 21.1<br />
1961 2.4 1.5 0.0 2.9 1.2 32.8 57.4 8.7 13.3 37.0 13.8 4.2 14.6<br />
1962 0.4 0.0 NR 7.4 14.7 53.0 70.9 41.9 11.9 22.4 39.1 19.2 25.5<br />
1963 6.5 5.1 5.7 5.3 6.0 26.9 62.3 53.1 54.4 87.8 23.1 8.8 28.8<br />
1964 5.5 2.9 5.8 6.9 11.8 42.2 11.7 11.5 21.4 19.2 12.8 8.5 13.3<br />
1965 3.6 5.1 4.5 5.8 6.6 40.3 37.5 35.1 39.1 46.0 NR 13.4 21.5<br />
1966 5.0 3.1 5.4 9.1 6.2 18.9 70.7 26.5 28.8 38.2 20.2 9.7 20.1<br />
1967 4.2 2.2 2.4 7.1 7.5 29.2 23.5 5.5 14.5 12.8 5.5 2.2 9.7<br />
1968 1.1 1.1 1.1 2.0 9.3 38.5 82.5 80.9 113.8 NR 30.8 14.4 34.1<br />
1970 NR NR 5.2 4.7 9.4 10.8 6.5 2.3 11.2 25.4 20.8 4.5 10.1<br />
1971 2.4 1.5 3.3 3.8 2.1 6.6 18.5 17.5 25.8 19.0 3.6 2.1 8.9<br />
1972 1.1 0.7 1.7 11.2 13.1 32.3 12.4 8.7 5.8 13.8 3.9 2.3 8.9<br />
1973 1.1 0.2 0.4 5.1 4.8 7.5 14.6 21.0 19.4 21.4 7.4 1.0 8.7<br />
1974 0.2 0.7 0.4 2.1 0.6 0.4 2.8 18.3 33.5 19.2 8.9 1.1 7.4<br />
1975 0.3 0.0 0.1 0.7 2.9 7.1 25.4 3.5 5.0 19.7 4.1 2.8 6.0<br />
1976 0.3 0.2 0.7 0.3 2.8 33.4 8.1 1.4 2.2 NR 9.6 1.1 5.5<br />
1977 0.2 0.0 0.0 0.0 0.0 4.1 1.6 0.0 0.4 19.8 0.8 0.1 2.2<br />
1978 0.0 0.0 0.0 0.7 NR 27.9 0.7 0.1 9.1 12.1 3.9 0.0 4.9<br />
1991 NR NR 0.5 NR 16.3 NR 52.3 33.4 16.0 13.8 5.4 2.5 AE<br />
1992 0.6 NR NR NR 7.0 1.9 3.3 0.9 6.9 32.9 12.6 1.3 7.5<br />
1993 0.5 0.3 0.3 NR NR NR NR NR NR NR 7.1 1.2 AE<br />
1994 0.3 0.3 0.3 0.5 0.6 1.3 3.5 3.3 1.9 3.5 7.2 3.6 2.2<br />
1995 NR NR NR 3.2 5.3 NR NR NR NR 22.7 13.6 2.2 AE<br />
1996 0.0 0.0 0.7 1.1 0.9 6.0 25.2 5.8 9.0 18.1 4.9 2.3 6.2<br />
1997 1.5 0.5 0.7 0.9 4.5 32.6 35.2 20.1 8.5 11.3 12.1 7.3 11.3<br />
1998 1.8 3.7 NR NR NR NR NR NR NR NR 2.0 2.1 AE<br />
1999 1.4 0.9 1.4 0.9 1.6 15.3 37.1 4.2 23.5 17.0 13.4 4.1 10.1<br />
Mean 1.8 1.4 2.1 4.0 5.9 21.7 28.6 17.5 20.3 26.2 12.0 4.9 12.5<br />
Std 1.9 1.6 2.3 3.4 4.6 15.6 25.1 19.7 23.7 19.3 9.5 4.9 8.6<br />
Max 6.5 5.1 6.4 11.2 16.3 53.0 82.5 80.9 113.8 87.8 39.1 19.2 34.1<br />
Min 0.0 0.0 0.0 0.0 0.0 0.4 0.7 0.0 0.4 3.5 0.8 0.0 2.2<br />
Average Flow (m3/s)<br />
35.0<br />
30.0<br />
25.0<br />
20.0<br />
15.0<br />
10.0<br />
5.0<br />
0.0<br />
Mean Monthly Discharges (1960-1999)<br />
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec<br />
Month<br />
Flow Hydrograph for Pra River<br />
at Ofoase-Praso (1960-1978 & 1991-1999)<br />
Akyem Gold <strong>Mining</strong> Project<br />
Eastern Region, Ghana<br />
FIGURE C4-1
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