Jabatan Pengairan dan Saliran Malaysia

Source is \\Svr-jpshis\datanegeri\Perak\Rfmanual.mtd

Monthly totals 1965 to 2001 site 5003028 STN. PETAK UJIAN at TG. PIANDANG, PERAK

Days end at 8:00:00am

Rain mm

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

1965 ? ? ? ? ? ? 189.4 301.2 303.0 250.1 261.3 195.7 1500.7?

1966 123.5 172.2 188.1 177.0 181.5 132.4 165.2 252.9 147.3 206.1 128.0 128.6 2002.8

1967 129.2 43.5 61.9 99.8 125.1 72.5 27.7 134.8 284.1 218.4 273.1 106.0 1576.1

1968 78.4 52.0 99.2 185.1 209.6 124.0 246.6 410.3 169.6 288.7 63.7 131.4 2058.6

1969 30.5 20.3 242.3 65.0 330.4 153.3 36.2 263.6 109.0 422.9 304.4 247.0 2224.9

1970 128.5 45.0 190.0 172.2 340.9 150.5 253.2 158.2 159.3 649.6 251.2 199.3 2697.9

1971 89.1 102.2 82.6 43.6 107.2 221.6 63.7 203.8 448.4 380.7 49.9 266.3 2059.1

1972 35.6 102.3 79.0 218.1 52.2 122.2 51.1 180.8 335.8 324.0 339.4 136.0 1976.5

1973 18.5 57.6 126.0 396.3 231.3 90.0 300.3 171.3 72.7 312.1 412.8 160.5 2349.4

1974 54.9 269.2 112.0 220.5 200.5 116.5 129.0 149.5 232.0 233.0 161.5 35.5 1914.1

1975 94.5 252.0 77.5 199.5 215.5 189.0 162.5 80.5 273.0 443.5 244.5 191.5 2423.5

1976 39.5 104.5 131.0 118.0 201.5 52.5 74.5 203.0 357.0 231.0 162.0 83.0 1757.5

1977 10.5 68.0 10.0 77.5 149.5 146.5 91.0 108.0 320.0 499.5 158.0 87.5 1726.0

1978 116.0 121.0 165.5 186.0 170.0 166.0 209.0 238.5 312.7 490.3 137.0 52.9 2364.9

1979 127.6 228.5 72.0 560.5 146.5 93.5 277.0 72.5 106.0 343.0 151.5 19.0 2197.6

1980 15.0 118.0 99.5 152.0 191.0 83.1 130.4 321.5 328.0 330.2 194.8 113.5 2077.0

1981 52.2 52.8 69.0 202.0 133.5 80.0 187.5 100.5 246.5 158.0 116.0 48.5 1446.5

1982 10.0 20.2 182.2 141.7 216.0 8.0 218.0 151.0 261.5 417.0 299.5 76.8 2001.8

1983 31.2 39.5 54.0 27.0 182.2 76.2 ? ? ? ? ? ? 410.2?

1984 ? ? ? ? ? 120.1 289.5 69.7 151.0 236.4 81.7 155.6 1104.0?

1985 30.0 85.0 225.5 195.0 68.0 11.0 108.0 220.0 240.5 271.5 278.0 101.0 1833.5

1986 11.5 119.5 78.5 365.5 125.5 28.0 202.5 136.5 422.5 338.0 173.5 114.0 2115.5

1987 45.0 4.5 95.0 56.5 195.0 74.5 139.5 236.5 247.5 415.0 466.5 327.5 2303.0

1988 55.0 62.0 428.0 309.0 206.0 131.5 109.0 241.5 357.0 84.0 299.5 45.5 2328.0

1989 164.0 179.0 226.5 359.0 170.0 148.5 144.0 209.0 336.5 326.0 192.5 24.0 2479.0

1990 83.0 24.0 109.5 449.5 173.5 278.0 64.0 63.0 116.5 218.0 217.0 129.5 1925.5

1991 153.0 ? ? ? 281.0 276.0 149.5 230.0 257.0 209.5 128.0 60.5 1744.5?

1992 38.5 83.0 66.0 79.0 124.5 69.5 132.5 295.0 121.5 355.0 121.5 26.0 1512.0

1993 31.5 51.0 168.0 155.5 210.5 114.0 123.5 140.5 159.5 234.0 191.5 91.0 1670.5

1994 94.0 164.5 173.0 99.0 202.0 57.5 82.5 139.0 95.5 106.5 206.5 31.5 1451.5

1995 76.0 92.0 146.0 99.2 142.0 121.5 129.0 155.0 157.5 169.2 115.0 102.0 1504.4

1996 61.7 ? 50.2 202.0 82.0 104.0 178.5 226.0 193.5 385.5 201.5 96.5 1781.4?

1997 6.5 156.5 53.2 68.0 69.0 90.0 ? 105.5 110.0 283.5 186.5 77.0 1205.7?

1998 46.0 100.0 83.5 23.5 77.5 283.5 178.5 125.5 207.5 397.0 288.0 134.0 1944.5

1999 135.5 146.0 115.0 143.0 33.0 89.0 12.5 322.0 184.5 519.0 159.0 45.5 1904.0

2000 ? 112.5 261.5 235.5 126.5 238.0 226.0 102.0 252.0 689.0 178.0 218.0 2639.0?

2001 169.0 22.5 208.0 395.5 92.5 47.5 136.0 116.5 92.0 ? ? ? 1279.5?

Min. 6.5 4.5 10.0 23.5 33.0 8.0 12.5 63.0 72.7 84.0 49.9 19.0 1446.5

Mean 70.1 99.1 133.2 190.5 164.7 121.1 149.1 184.3 226.9 326.7 205.5 115.9 1994.0

Max. 169.0 269.2 428.0 560.5 340.9 283.5 300.3 410.3 448.4 689.0 466.5 327.5 2697.9

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.