| Nama Stasiun | : | PANGKALAN KASAI |
| Lokasi Stasiun | : | Desa Kelurahan Pangkalan Kasai, Kecamatan Siberida, Indragiri Hulu, Provinsi Riau |
| Longitude | : | 102.390280 |
| Latitude | : | -0.591390 |
| Pengelola | : | BWS SUMATERA III |
| Tahun | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des | Jumlah |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1984 | 266.60 | 341.50 | 334.10 | 206.40 | 197.10 | 307.90 | 118.40 | 125.90 | 371.00 | 225.00 | 361.60 | 315.80 | 3,171.30 |
| 1985 | 279.20 | 203.90 | 313.50 | 304.00 | 156.30 | 29.30 | 121.90 | 31.50 | 217.80 | 396.80 | 287.30 | 380.30 | 2,721.80 |
| 1986 | 703.00 | 134.20 | 273.50 | 290.30 | 257.80 | 276.60 | 114.70 | 45.90 | 183.20 | 482.60 | 286.10 | 456.90 | 3,504.80 |
| 1987 | 206.60 | 51.90 | 115.80 | 202.50 | 139.70 | 166.10 | 68.60 | 46.10 | 110.40 | 219.00 | 223.40 | 226.40 | 1,776.50 |
| 1988 | 193.80 | 193.90 | 432.70 | 338.10 | 196.00 | 63.10 | 116.90 | 173.40 | 148.60 | 103.40 | 272.40 | 217.50 | 2,449.80 |
| 1989 | 292.70 | 101.80 | 306.20 | 198.00 | 252.10 | 120.00 | 127.80 | 335.70 | 343.90 | 312.50 | 662.80 | 386.30 | 3,439.80 |
| 1990 | 196.70 | 225.40 | 275.10 | 298.60 | 260.30 | 146.60 | 273.10 | 135.20 | 185.20 | 379.90 | 339.50 | 296.80 | 3,012.40 |
| 1991 | 302.80 | 74.00 | 203.80 | 332.50 | 314.30 | 107.40 | 85.70 | 49.60 | 70.60 | 3.70 | 450.20 | 511.90 | 2,506.50 |
| 1992 | 177.90 | 106.50 | 238.20 | 202.60 | 175.80 | 170.20 | 196.60 | 213.40 | 194.60 | 315.40 | 546.60 | 219.10 | 2,756.90 |
| 1993 | 290.00 | 59.60 | 265.30 | 132.90 | 197.80 | 19.50 | 200.30 | 83.10 | 71.20 | 416.80 | 581.10 | 310.80 | 2,628.40 |
| 1994 | 99.70 | 85.20 | 471.30 | 199.80 | 242.40 | 248.80 | 4.70 | 59.80 | 12.30 | 86.00 | 323.70 | 480.50 | 2,314.20 |
| 1995 | 823.60 | 463.30 | 721.90 | 273.10 | 328.60 | 67.60 | 74.10 | 251.40 | 89.20 | 760.70 | 396.20 | 89.80 | 4,339.50 |
| 1996 | 56.80 | 253.70 | 503.50 | 800.00 | 189.60 | 140.60 | 24.90 | 119.50 | 224.20 | 162.10 | 237.20 | 29.40 | 2,741.50 |
| 1997 | 56.00 | 71.90 | 306.40 | 349.40 | 217.00 | 124.60 | 87.30 | 141.80 | 3.00 | 85.10 | 185.30 | 247.40 | 1,875.20 |
| 1998 | 122.70 | 145.50 | 224.70 | 185.20 | 190.10 | 188.90 | 160.60 | 422.00 | 299.30 | 129.40 | 90.10 | 463.70 | 2,622.20 |
| 1999 | 340.50 | 53.90 | 383.30 | 181.40 | 156.20 | 75.30 | 111.20 | 211.20 | 117.40 | 387.70 | 296.10 | 190.00 | 2,504.20 |
| 2000 | 263.50 | 187.40 | 162.90 | 186.30 | 151.20 | 180.30 | 46.20 | 245.00 | 224.90 | 188.50 | 284.10 | 315.60 | 2,435.90 |
| 2001 | 215.80 | 268.00 | 144.30 | 180.60 | 242.60 | 140.60 | 110.50 | 289.70 | 186.80 | 372.60 | 485.00 | 276.70 | 2,913.20 |
| 2002 | 429.60 | 15.50 | 293.50 | 297.10 | 201.90 | 99.20 | 136.20 | 27.60 | 90.70 | 153.90 | 644.40 | 267.40 | 2,657.00 |
| 2003 | 218.40 | 127.20 | 200.40 | 317.10 | 86.00 | 36.40 | 83.10 | 51.70 | 111.30 | 348.00 | 244.30 | 164.20 | 1,988.10 |
| 2004 | 193.20 | 231.40 | 224.90 | 225.10 | 177.20 | 94.90 | 257.10 | 173.70 | 232.20 | 215.20 | 259.10 | 278.90 | 2,562.90 |
| 2005 | 141.60 | 116.70 | 214.10 | 163.80 | 223.40 | 141.20 | 196.40 | 189.40 | 303.60 | 268.40 | 198.00 | 160.90 | 2,317.50 |
| 2006 | 215.10 | 106.30 | 324.00 | 562.10 | 136.60 | 99.70 | 113.80 | 137.70 | 88.20 | 96.30 | 335.50 | 228.10 | 2,443.40 |
| 2007 | 151.80 | 158.00 | 154.30 | 329.10 | 382.20 | 108.30 | 168.20 | 83.20 | 216.30 | 151.70 | 325.80 | 185.40 | 2,414.30 |
| 2008 | 179.70 | 125.40 | 526.80 | 386.50 | 58.90 | 73.80 | 96.80 | 137.40 | 216.40 | 214.50 | 222.70 | 169.80 | 2,408.70 |
| 2009 | 150.20 | 83.40 | 307.80 | 100.60 | 101.80 | 211.70 | 130.50 | 62.30 | 91.90 | 306.80 | 279.00 | 378.70 | 2,204.70 |
| 2010 | 142.40 | 136.20 | 219.30 | 223.40 | 100.30 | 68.50 | 285.40 | 224.20 | 286.60 | 154.50 | 241.10 | 124.40 | 2,206.30 |
| 2011 | 319.30 | 100.30 | 130.30 | 234.80 | 183.10 | 216.40 | 114.50 | 116.50 | 117.20 | 244.90 | 285.50 | 151.50 | 2,214.30 |
| 2012 | 104.70 | 158.40 | 150.00 | 352.30 | 150.50 | 37.40 | 114.70 | 45.30 | 197.30 | 227.30 | 426.70 | 231.60 | 2,196.20 |
| 2013 | 66.30 | 183.80 | 148.00 | 193.10 | 210.60 | 33.40 | 45.10 | 41.50 | 163.00 | 164.30 | 324.50 | 138.90 | 1,712.50 |
| 2014 | 106.00 | 16.00 | 284.60 | 103.20 | 175.00 | 25.70 | 75.20 | 106.20 | 125.30 | 50.20 | 284.40 | 198.70 | 1,550.50 |
| 2015 | 140.90 | 82.40 | 249.50 | 214.00 | 288.70 | 18.50 | 20.90 | 11.30 | 34.10 | 27.40 | 315.70 | 235.60 | 1,639.00 |
| 2016 | 208.70 | 57.70 | 233.80 | 264.60 | 162.60 | 71.70 | 164.70 | 70.70 | 49.20 | 142.50 | 254.00 | 60.20 | 1,740.40 |
| 2017 | 131.00 | 298.40 | 183.00 | 249.70 | 194.00 | 144.00 | 187.00 | 178.00 | 279.00 | 97.60 | 286.00 | 195.00 | 2,422.70 |
| 2018 | 105.00 | 143.00 | 128.60 | 208.00 | 206.00 | 169.00 | 121.00 | 113.70 | 73.00 | 244.10 | 426.50 | 219.00 | 2,156.90 |
| 2019 | 437.00 | 318.00 | 443.20 | 380.80 | 198.00 | 241.00 | 88.50 | 59.00 | 23.00 | 150.00 | 212.00 | 223.00 | 2,773.50 |
| 2020 | 180.00 | 165.00 | 199.00 | 266.00 | 255.00 | 70.00 | 93.00 | 135.00 | 260.00 | 274.00 | 323.00 | 205.00 | 2,425.00 |
| 2021 | 217.50 | 80.50 | 241.00 | 448.30 | 220.70 | 256.00 | 90.50 | 365.50 | 217.90 | 182.80 | 156.90 | 144.90 | 2,622.50 |
| Rata-rata | 229.64 | 150.66 | 277.17 | 273.19 | 199.41 | 126.06 | 121.74 | 139.74 | 163.94 | 230.04 | 325.10 | 246.74 |
