Below is the raw monthly rainfall data recorded in the weather station of Cameron Highlands located at Latitude 40 28′ N and longtitude 101 0 23′ E , with elevation 1471.6 m above sea level
| Station | Cameron Highland | ||||||||||||||||
| Latitude | 4o28′ N | Records Of Monthly Rainfall Amount | |||||||||||||||
| Longtitude | 101o23′ E | Unit : | mm | ||||||||||||||
| Elevation ( meter ) | 1471.6 | ||||||||||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | July | Aug | Sep | Oct | Nov | Dec | Average | Annual | Annual MMS | ||
| 1951 | 336.5 | 232.4 | 86.4 | 273.1 | 172.2 | 88.4 | 171.9 | 252.5 | 519.9 | 292.3 | 510.8 | 160.0 | 258.0 | 3096.4 | 3096.4 | ||
| 1952 | 127.8 | 88.1 | 514.1 | 199.6 | 345.2 | 62.0 | 140.5 | 188.7 | 187.2 | 230.1 | 397.2 | 140.5 | 218.4 | 2621.0 | 2621 | ||
| 1953 | 105.4 | 172.7 | 233.7 | 356.9 | 206.0 | 206.7 | 125.7 | 89.4 | 315.2 | 270.0 | 229.6 | 134.9 | 206.5 | 2446.2 | 2446.2 | ||
| 1954 | 156.7 | 85.3 | 247.4 | 239.8 | 224.5 | 111.0 | 203.7 | 121.4 | 95.5 | 497.6 | 280.2 | 247.4 | 209.2 | 2510.5 | 2510.5 | ||
| 1955 | 73.1 | 78.2 | 130.0 | 332.7 | 204.7 | 111.8 | 221.0 | 247.1 | 197.3 | 408.9 | 356.6 | 281.4 | 220.2 | 2642.8 | 2642.8 | ||
| 1956 | 145.0 | 79.7 | 229.1 | 430.3 | 253.2 | 247.1 | 268.0 | 228.6 | 229.1 | 384.3 | 306.6 | 351.5 | 262.7 | 3152.5 | 3152.5 | ||
| 1957 | 48.5 | 136.7 | 418.8 | 408.2 | 312.9 | 55.9 | 149.3 | 72.6 | 195.1 | 351.5 | 335.0 | 239.3 | 227.0 | 2723.8 | 2723.8 | ||
| 1958 | 150.1 | 65.8 | 96.8 | 247.1 | 367.5 | 88.6 | 81.3 | 168.9 | 148.1 | 427.2 | 217.9 | 41.7 | 175.1 | 2101.0 | 2101 | ||
| 1959 | 34.5 | 65.5 | 242.3 | 277.9 | 194.1 | 162.1 | 84.6 | 214.6 | 222.0 | 485.1 | 252.0 | 179.8 | 201.2 | 2414.5 | 2414.5 | ||
| 1960 | 178.1 | 50.8 | 229.6 | 299.5 | 312.2 | 77.2 | 152.7 | 177.3 | 255.0 | 186.2 | 284.0 | 204.5 | 200.6 | 2407.1 | 2407.1 | ||
| 1961 | 159.5 | 150.1 | 177.5 | 339.6 | 143.8 | 109.2 | 177.5 | 118.4 | 326.9 | 350.3 | 249.9 | 192.0 | 207.9 | 2494.7 | 2494.7 | ||
| 1962 | 89.9 | 124.7 | 387.1 | 424.9 | 381 | 108.5 | 74.7 | 340.4 | 228.6 | 430 | 180.6 | 259.6 | 252.5 | 3030.0 | 3030 | ||
| 1963 | 119.6 | 63.5 | 126.2 | 148.6 | 278.4 | 82.5 | 170.7 | 173.5 | 158.7 | 325.9 | 342.1 | 161.5 | 179.3 | 2151.2 | 2151.2 | ||
| 1964 | 78.7 | 88.1 | 96.5 | 195.1 | 395 | 94.2 | 370.3 | 77.7 | 167.9 | 281.4 | 392.9 | 177.8 | 201.3 | 2415.6 | 2415.6 | ||
| 1965 | 26.2 | 102.1 | 285 | 253 | 295.9 | 106.2 | 198.4 | 192.3 | 452.9 | 315 | 230.1 | 324.6 | 231.8 | 2781.7 | 2781.7 | ||
| 1966 | 187.2 | 161 | 261.4 | 268.2 | 180.8 | 247.4 | 231.4 | 166.4 | 223.3 | 545.1 | 246.4 | 283.5 | 250.2 | 3002.1 | 3002.1 | ||
| 1967 | 286.5 | 118.4 | 114.3 | 368.8 | 181.1 | 66.5 | 108.5 | 95 | 184.9 | 213.1 | 367.5 | 54.6 | 179.9 | 2159.2 | 2159.2 | ||
| 1968 | 36.8 | 72.9 | 102.6 | 111.5 | 355.6 | 258 | 106.4 | 120.7 | 194.6 | 391.2 | 113 | 252.7 | 176.3 | 2116.0 | 2116 | ||
| 1969 | 163.1 | 112 | 147.8 | 293.9 | 311.7 | 130.3 | 139.7 | 361.2 | 216.1 | 281.7 | 357.6 | 223 | 228.2 | 2738.1 | 2738.1 | ||
| 1970 | 243.3 | 42.2 | 175 | 220.7 | 318 | 157.7 | 79.7 | 153.7 | 354.6 | 319.8 | 331.7 | 367.8 | 230.4 | 2764.2 | 2764.2 | ||
| 1971 | 207 | 125.2 | 137.2 | 51.6 | 200.9 | 159.8 | 140.7 | 276.1 | 217.7 | 240.3 | 502.4 | 509 | 230.7 | 2767.9 | 2767.9 | ||
| 1972 | 56.9 | 255.3 | 152.7 | 538.9 | 250.4 | 142.5 | 32.5 | 230.1 | 362.7 | 270.3 | 350 | 202.4 | 237.1 | 2844.7 | 2844.7 | ||
| 1973 | 58.4 | 71.9 | 130.3 | 249.7 | 446.5 | 218.7 | 173 | 182.1 | 158.5 | 371.3 | 502.9 | 208.5 | 231.0 | 2771.8 | 2771.8 | ||
| 1974 | 61.2 | 129.5 | 61.2 | 483.9 | 277.9 | 149.6 | 174.7 | 113.3 | 400.1 | 188.2 | 179.3 | 128.8 | 195.6 | 2347.7 | 2347.7 | ||
| 1975 | 277 | 154.1 | 315.6 | 311.6 | 325.2 | 111.6 | 285.8 | 84.2 | 227.8 | 122.3 | 255.1 | 358 | 235.7 | 2828.3 | 2828.3 | ||
| 1976 | 34 | 84.2 | 192 | 260.5 | 172.7 | 261.9 | 207.3 | 219.8 | 169.4 | 434.2 | 258.1 | 112.1 | 200.5 | 2406.2 | 2406.2 | ||
| 1977 | 90.6 | 121.1 | 39 | 238.3 | 190.6 | 195.4 | 85.7 | 177.2 | 131.5 | 560.4 | 145.3 | 99.6 | 172.9 | 2074.7 | 2074.7 | ||
| 1978 | 61.7 | 58.4 | 151.9 | 314.3 | 360.2 | 62.2 | 207.6 | 79 | 152.7 | 325.9 | 304.9 | 103.4 | 181.9 | 2182.2 | 2182.2 | ||
| 1979 | 62.7 | 100.6 | 245.5 | 259.3 | 188.8 | 203.6 | 222.8 | 79.6 | 192.1 | 322.1 | 404.3 | 27.3 | 192.4 | 2308.7 | 2308.7 | ||
| 1980 | 106.6 | 79.1 | 189.9 | 72.9 | 268.9 | 143.1 | 90.9 | 294.2 | 234 | 330.4 | 389.8 | 269.5 | 205.8 | 2469.3 | 2469.3 | ||
| 1981 | 75 | 117.1 | 44.7 | 331.3 | 390.8 | 95.9 | 117.4 | 56.8 | 303.5 | 285.5 | 237.3 | 69.3 | 177.1 | 2124.6 | 2124.6 | ||
| 1982 | 25.9 | 112.3 | 345.7 | 489.3 | 170.3 | 91.3 | 193.6 | 164.5 | 295.9 | 383.3 | 208.8 | 80.6 | 213.5 | 2561.5 | 2561.5 | ||
| 1983 | 62.4 | 41.7 | 116.6 | 54.9 | 220.1 | 167.1 | 225.5 | 265.6 | 371.1 | 187.7 | 151.8 | 121.0 | 165.5 | 1985.5 | 1985.5 | ||
| 1984 | 182.5 | 183.0 | 258.1 | 254.2 | 356.1 | 161.8 | 217.9 | 97.4 | 149.9 | 263.7 | 288.2 | 275.3 | 224.0 | 2688.1 | 2688.1 | ||
| 1985 | 77.1 | 146.8 | 252.9 | 85.1 | 299.1 | 42.4 | 136.7 | 155.3 | 186.9 | 429.6 | 522.4 | 224.3 | 213.2 | 2558.6 | 2558.6 | ||
| 1986 | 99.9 | 34.6 | 128.7 | 299.8 | 242.0 | 131.9 | 96.7 | 30.7 | 185.7 | 337.2 | 233.0 | 149.1 | 164.1 | 1969.3 | 1969.3 | ||
| 1987 | 55.3 | 36.4 | 72.7 | 213.8 | 317.6 | 126.3 | 133.0 | 341.3 | 316.0 | 387.7 | 153.7 | 192.8 | 195.6 | 2346.6 | 2346.6 | ||
| 1988 | 35.2 | 187.8 | 146.7 | 221.6 | 311.7 | 200.3 | 181.8 | 362.0 | 348.6 | 84.2 | 375.8 | 228.6 | 223.7 | 2684.3 | 2684.3 | ||
| 1989 | 78.0 | 51.1 | 252.8 | 305.2 | 223.8 | 187.3 | 204.5 | 119.9 | 367.4 | 363.5 | 306.5 | 115.8 | 214.7 | 2575.8 | 2575.8 | ||
| 1990 | 117.4 | 27.0 | 105.8 | 159.8 | 323.0 | 133.7 | 209.8 | 86.0 | 318.7 | 361.4 | 252.7 | 78.8 | 181.2 | 2174.1 | 2174.1 | ||
| 1991 | 47.3 | 126.8 | 186.2 | 305.0 | 492.8 | 124.8 | 109.2 | 95.5 | 202.7 | 277.5 | 220.3 | 108.5 | 191.4 | 2296.6 | 2296.6 | ||
| 1992 | 34.0 | 200.3 | 155.8 | 192.3 | 247.2 | 83.7 | 149.3 | 117.1 | 150.6 | 296.1 | 318.4 | 193.3 | 178.2 | 2138.1 | 2138.1 | ||
| 1993 | 69.1 | 115.6 | 195.1 | 334.9 | 311.4 | 150.8 | 192.7 | 188.7 | 342.5 | 389.3 | 207.6 | 252.3 | 229.2 | 2750.0 | 2750.0 | ||
| 1994 | 45.0 | 222.7 | 263.6 | 210.0 | 323.9 | 205.9 | 60.2 | 264.9 | 307.5 | 302.4 | 191.6 | 163.2 | 213.4 | 2560.9 | 2560.9 | ||
| 1995 | 113.2 | 52.9 | 248.3 | 344.5 | 74.9 | 272.2 | 144.8 | 407.9 | 275.1 | 409.3 | 321.4 | 217.5 | 240.2 | 2882.0 | 2882.0 | ||
| 1996 | 124.2 | 79.6 | 204.4 | 358.4 | 251.4 | 185.8 | 149.2 | 230.5 | 174.7 | 561.3 | 360.0 | 315.0 | 249.5 | 2994.5 | 2994.5 | ||
| 1997 | 46.8 | 233.2 | 152.3 | 243.7 | 125.9 | 198.0 | 192.3 | 224.6 | 132.0 | 311.6 | 318.6 | 206.4 | 198.8 | 2385.4 | 2385.4 | ||
| 1998 | 59.1 | 11.4 | 68.9 | 88.5 | 213.1 | 196.8 | 354.1 | 255.0 | 135.1 | 324.8 | 316.2 | 192.8 | 184.7 | 2215.8 | 2215.8 | ||
| 1999 | 180.4 | 305.0 | 392.1 | 277.5 | 301.8 | 115.3 | 187.3 | 210.0 | 333.5 | 380.5 | 349.0 | 336.6 | 280.8 | 3369.0 | 3369.0 | ||
| 2000 | 181.4 | 170.5 | 337.9 | 494.7 | 217.5 | 239.5 | 91.3 | 149.4 | 229.7 | 228.4 | 310.2 | 283.7 | 244.5 | 2934.2 | 2934.2 | ||
| 2001 | 114.8 | 145.5 | 273.4 | 328.3 | 179.8 | 70.6 | 41.3 | 71.1 | 239.3 | 1464.1 | |||||||
| Avg | 2539.3 | ||||||||||||||||
| Monthly | |||||||||||||||||
| Average | 109.44 | 114.51 | 196.92 | 274.70 | 270.61 | 146.61 | 164.49 | 182.38 | 244.93 | 334.34 | 298.35 | 202.03 | |||||