Jabatan Pengairan dan Saliran Malaysia

Source is K:\arpm5597.mtd

Monthly totals 1971 to 2000 site 5504035 LAHAR IKAN MATI at KEPALA BATAS, P.PINANG

Days begin at 8:00:00am

Rain mm

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

1971 ? ? ? 49.2 ? ? ? ? ? ? 21.3 180.1 250.6?

1972 23.3 47.0 52.3 238.7 68.7 238.2 70.6 35.0 330.3 294.5 78.1 168.0 1644.7

1973 19.0 25.4 89.5 189.0 133.8 270.5 215.0 281.8 149.1 286.4 262.8 174.9 2097.2

1974 21.6 249.3 87.1 234.2 195.4 95.6 83.9 179.7 244.8 260.5 153.0 17.6 1822.8

1975 183.7 144.2 76.5 112.1 256.4 68.6 ? ? ? ? ? ? 841.5?

1976 ? ? ? ? ? ? ? ? ? ? ? ? ?

1977 ? ? ? ? ? ? ? ? ? ? ? 102.0 102.0?

1978 24.0 131.0 122.0 76.5 386.0 277.0 160.5 139.0 236.0 179.0 202.0 19.0 1952.0

1979 35.5 32.0 4.5 170.0 188.0 208.5 280.0 96.0 192.0 165.0 357.0 34.0 1762.5

1980 2.0 39.3 61.7 143.5 150.3 86.1 137.5 305.4 492.9 346.1 255.6 88.5 2108.9

1981 36.0 114.5 38.5 142.5 223.5 119.0 63.0 159.0 379.5 213.5 145.1 10.6 1644.7

1982 0.4 10.0 175.5 263.5 230.0 68.0 184.5 90.5 413.5 299.5 211.5 102.5 2049.4

1983 3.0 48.0 34.5 129.0 436.5 208.5 102.5 80.5 402.5 190.0 82.0 61.0 1778.0

1984 168.5 131.5 83.5 386.0 165.5 162.0 268.0 108.5 181.5 158.0 117.0 125.5 2055.5

1985 52.0 105.5 112.5 189.5 254.5 33.0 77.0 149.5 353.0 443.5 238.0 81.5 2089.5

1986 4.0 9.5 75.5 127.5 246.5 61.5 135.5 264.0 433.0 714.0 202.0 62.0 2335.0

1987 11.5 0.0 42.0 148.5 166.0 71.0 98.5 282.0 444.0 179.5 446.5 182.5 2072.0

1988 53.0 113.5 125.5 179.0 107.0 130.0 68.0 343.0 335.0 170.5 159.5 27.0 1811.0

1989 109.5 23.5 260.0 249.0 102.5 241.0 154.0 190.5 338.0 274.5 88.0 91.5 2122.0

1990 37.5 121.0 42.5 107.5 219.0 124.5 87.0 82.0 307.0 205.0 281.5 46.0 1660.5

1991 53.5 16.5 91.0 138.5 356.0 239.5 229.0 222.5 168.0 168.0 124.5 94.5 1901.5

1992 45.0 98.5 111.5 191.0 245.5 30.5 167.0 314.5 91.0 329.0 130.0 78.5 1832.0

1993 110.5 7.0 119.0 159.5 74.5 234.0 412.5 174.5 107.5 137.0 171.5 80.5 1788.0

1994 27.0 128.0 220.5 85.0 236.5 37.5 30.0 271.5 150.0 222.0 282.0 37.5 1727.5

1995 57.5 55.0 96.0 237.5 122.0 222.0 122.0 294.5 463.5 246.0 164.5 ? 2080.5?

1996 128.0 49.5 123.5 288.0 182.5 225.5 111.0 281.0 286.0 261.0 160.0 78.5 2174.5

1997 20.0 130.0 46.0 83.0 8.5 212.0 89.5 163.5 212.0 342.0 266.5 48.0 1621.0

1998 50.5 129.0 3.0 59.0 181.5 279.5 381.0 175.0 114.5 477.0 592.5 95.0 2537.5

1999 157.7 96.3 112.1 336.2 58.8 164.6 157.4 320.5 387.9 600.8 236.4 80.7 2709.4

2000 91.2 196.6 150.3 214.1 193.1 152.4 ? ? ? ? ? ? 997.7?

Min. 0.4 0.0 3.0 49.2 8.5 30.5 30.0 35.0 91.0 137.0 21.3 10.6 1621.0

Mean 56.5 83.4 94.7 176.0 192.2 157.8 155.4 200.2 288.5 286.5 208.8 83.4 1970.7

Max. 183.7 249.3 260.0 386.0 436.5 279.5 412.5 343.0 492.9 714.0 592.5 182.5 2709.4

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.