Jabatan Pengairan dan Saliran Malaysia

Source is M:\Datanegeri\Pahang\Wlevel.mtd

Monthly means 1973 to 2000 site 4218416 SG. JELAI at KUALA MEDANG, PAHANG

Flow m3/s

Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Mean

1973 ? ? ? ? ? ? ? ? ? ? 140.74 167.80 154.49?

1974 81.28 ? ? 83.16 99.89 84.26 65.66 68.25 92.61 68.28 ? 53.71 77.36?

1975 ? ? 82.46 79.70 ? ? ? ? 60.51 59.27 105.70 141.48 88.29?

1976 62.71 39.06 41.67 50.62 54.22 53.01 41.29 52.41 46.74 105.35 102.96 73.61 60.39

1977 66.65 ? ? 36.32 43.40 39.18 40.06 32.01 32.69 165.19 121.84 78.43 65.68?

1978 85.62 52.65 45.09 ? 78.28 ? ? 31.19 40.83 47.66 110.80 76.23 63.17?

1979 ? ? 34.31 ? ? 55.72 42.39 ? ? ? ? 80.24 53.14?

1980 33.91 ? ? 47.69 58.66 64.43 40.86 92.57 ? 90.13 73.95 77.11 64.39?

1981 84.52 61.96 36.44 ? ? ? ? 32.60 54.85 70.47 81.48 59.36 60.12?

1982 35.46 35.91 ? ? 93.01 123.03 101.35 82.19 ? ? ? 91.31 80.75?

1983 102.32 ? ? 29.16 48.74 36.23 44.19 ? ? 61.99 81.21 95.65 62.60?

1984 96.12 198.12 160.08 42.88 ? ? ? ? ? ? ? ? 123.75?

1985 ? ? 131.26 64.26 98.95 37.89 53.24 46.38 58.18 146.89 ? ? 79.95?

1986 ? 45.15 86.32 94.31 84.22 65.22 42.00 32.14 46.36 113.41 ? ? 67.92?

1987 ? 40.41 46.63 44.02 ? ? ? ? ? ? 119.11 141.48 79.05?

1988 59.86 74.33 87.38 ? ? ? ? ? ? ? ? ? 73.84?

1989 ? ? ? ? ? ? ? ? ? ? ? ? ?

1990 ? ? ? ? ? ? ? ? ? ? ? ? ?

1991 ? ? ? ? ? ? ? ? ? ? ? ? ?

1992 ? ? ? ? ? ? ? ? ? ? ? ? ?

1993 ? 31.42 64.57 ? ? ? ? ? ? ? ? ? 48.84?

1994 ? ? ? ? ? ? ? ? ? ? ? ? ?

1995 ? ? ? ? ? ? ? ? ? ? ? ? ?

1996 ? ? ? ? ? ? ? ? ? ? ? ? ?

1997 ? ? ? ? ? ? ? ? ? ? ? ? ?

1998 51.51 27.23 18.98 8.36 12.66 15.21 17.22 40.17 37.87 26.91 94.46 ? 31.83?

1999 ? ? ? 131.12 120.70 70.03 55.34 55.05 82.06 210.24 109.19 140.46 108.39?

2000 202.21 133.72 145.40 176.06 135.96 89.40 81.15 87.00 ? ? ? ? 131.33?

Min. 33.91 27.23 18.98 8.36 12.66 15.21 17.22 31.19 32.69 26.91 73.95 53.71 60.39

Mean 80.18 67.27 75.43 68.28 77.39 61.13 52.06 54.33 55.27 97.15 103.77 98.22 60.39

Max. 202.21 198.12 160.08 176.06 135.96 123.03 101.35 92.57 92.61 210.24 140.74 167.80 60.39

Remarks:

1. The Min Mean and Max of Annual means are for complete years only.

2. ‘?’ means incomplete data for the month.

3. ‘xxxx?’ means total amount with incomplete data.