Jabatan Pengairan dan Saliran Malaysia

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

Monthly means 1960 to 2000 site 4111455 SG. BTG. PADANG at TG.KERAMAT, PERAK

Flow m3/s

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

1960 ? ? ? ? ? ? ? 14.34 20.16 17.68 32.98 29.23 22.83?

1961 28.00 22.60 24.37 ? ? ? ? 16.38 60.75 25.04 33.33 28.67 29.84?

1962 25.81 15.81 24.04 27.11 31.51 17.19 13.54 17.82 22.49 33.91 36.85 22.45 24.09

1963 21.77 13.64 13.53 12.66 16.26 11.77 11.05 18.10 15.91 34.61 53.11 40.09 21.93

1964 22.12 17.76 16.47 17.63 23.03 15.53 28.60 21.18 23.02 25.58 33.83 26.78 22.66

1965 16.45 13.57 15.47 28.59 34.26 21.45 1.83 1.87 3.37 3.65 4.65 5.31 12.51

1966 3.45 2.67 2.75 3.10 2.49 2.92 2.94 2.71 2.53 3.93 5.14 4.45 3.26

1967 4.41 2.76 2.96 3.25 3.82 ? ? 1.62 2.27 3.56 6.30 3.44 3.44?

1968 2.01 1.69 1.40 1.55 2.82 2.68 26.49 18.08 20.20 29.15 29.58 31.51 14.00

1969 27.64 18.82 20.77 27.29 51.22 28.75 21.50 37.05 26.43 56.24 50.26 47.17 34.57

1970 ? ? ? ? 42.48 24.28 20.16 18.52 42.78 ? 47.20 46.66 34.53?

1971 57.45 28.84 27.27 20.54 19.83 14.96 ? ? 23.03 15.82 ? 73.51 31.41?

1972 ? 26.12 20.39 35.79 36.76 23.30 ? ? ? 37.44 46.12 32.82 32.36?

1973 ? ? ? ? 36.43 39.55 21.98 20.51 24.60 36.19 51.89 54.42 35.66?

1974 29.68 ? ? ? ? ? ? ? ? ? ? ? 29.68?

1975 ? ? ? 29.53 ? ? ? 20.88 30.15 ? 29.52 ? 27.47?

1976 31.59 ? 22.14 ? 23.71 ? 37.08 ? 24.14 ? ? ? 27.76?

1977 32.40 23.11 19.26 17.26 ? 21.47 14.92 13.93 ? ? ? ? 20.31?

1978 22.96 ? ? 24.74 ? ? ? 12.02 21.01 ? 54.93 30.15 27.54?

1979 23.11 19.63 15.55 24.16 ? ? 36.82 16.90 27.64 25.94 ? ? 23.75?

1980 ? 16.89 22.77 21.70 ? 24.12 13.87 24.57 26.24 51.02 46.41 40.12 28.84?

1981 30.79 25.04 19.39 29.02 38.99 25.13 17.81 14.22 28.72 22.65 27.15 ? 25.33?

1982 14.73 24.03 18.68 37.53 33.37 33.30 26.84 21.76 25.72 40.35 39.34 25.17 28.38

1983 19.00 16.36 17.37 12.23 17.18 13.58 23.58 22.06 48.36 30.56 29.56 26.29 23.03

1984 27.37 51.36 38.69 40.00 36.52 32.01 35.51 21.42 21.67 32.43 49.29 63.58 37.43

1985 33.93 34.18 35.86 26.29 36.31 20.29 18.67 16.84 19.92 46.00 69.39 58.85 34.72

1986 31.02 30.30 26.86 38.42 28.49 23.06 17.92 14.24 18.59 33.09 42.63 31.09 27.93

1987 22.08 21.05 21.30 29.04 32.08 25.89 19.21 32.78 37.23 58.34 50.70 ? 31.84?

1988 ? 29.55 27.56 30.35 28.67 27.42 26.82 38.88 61.80 36.70 ? 46.85 35.46?

1989 38.23 27.20 33.06 42.60 37.83 29.76 35.42 24.11 32.19 46.91 65.43 38.58 37.64

1990 27.30 24.95 18.03 20.27 ? 21.28 ? ? ? 43.31 ? ? 25.93?

1991 ? ? ? ? ? 68.40 58.39 54.30 54.26 ? 66.36 62.26 60.62?

1992 61.84 57.23 56.42 58.43 ? 55.24 53.64 53.57 56.53 56.95 68.77 62.60 58.28?

1993 57.46 54.46 55.15 58.41 57.20 55.52 51.58 ? ? 58.68 60.36 ? 56.54?

1994 ? ? ? ? ? ? ? 28.46 33.59 ? 29.83 36.28 32.04?

1995 31.19 29.63 31.98 29.57 32.04 39.91 36.68 39.27 30.78 25.40 ? ? 32.67?

1996 43.98 41.44 42.79 47.74 51.74 45.73 43.77 42.89 44.43 50.79 ? ? 45.55?

1997 49.82 51.25 50.59 46.04 45.36 46.08 43.40 40.47 40.34 47.84 50.48 43.81 46.26

1998 42.28 39.11 38.61 37.71 39.50 39.85 ? 42.79 45.25 ? 57.15 48.02 43.04?

1999 45.70 48.02 51.64 ? ? 46.47 46.50 45.85 ? ? 53.42 59.07 49.60?

2000 51.47 49.29 50.43 53.42 49.93 ? ? ? ? ? ? ? 50.91?

Min. 2.01 1.69 1.40 1.55 2.49 2.68 1.83 1.62 2.27 3.56 4.65 3.44 3.26

Mean 30.53 27.45 26.77 29.12 31.78 28.93 27.81 24.42 29.88 34.33 42.64 38.59 26.31

Max. 61.84 57.23 56.42 58.43 57.20 68.40 58.39 54.30 61.80 58.68 69.39 73.51 46.26

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.