| Tahun Data | : | 2001 |
| Nama Stasiun | : | TRMM-0785 |
| Lokasi Stasiun | : | Desa Kelurahan Pangkalan Kasai, Kecamatan Siberida, Indragiri Hulu, Provinsi Riau |
| Longitude | : | 102.375000 |
| Latitude | : | -0.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 9.645 | 1.795 | 0.000 | 1.506 | 4.880 | 5.458 | 0.000 | 0.632 | 0.000 | 18.225 | 1.130 | 50.408 |
| 2 | 15.120 | 0.000 | 0.000 | 15.164 | 1.119 | 0.000 | 0.000 | 0.654 | 50.529 | 9.413 | 3.702 | 12.449 |
| 3 | 0.000 | 0.623 | 0.000 | 9.652 | 18.170 | 21.351 | 0.000 | 3.292 | 0.000 | 2.632 | 18.677 | 0.000 |
| 4 | 0.000 | 33.484 | 0.395 | 14.196 | 18.170 | 0.000 | 0.000 | 2.703 | 6.541 | 1.431 | 34.077 | 1.184 |
| 5 | 3.993 | 4.140 | 0.000 | 0.511 | 0.000 | 0.982 | 0.000 | 8.198 | 1.679 | 0.000 | 82.564 | 26.884 |
| 6 | 2.034 | 31.323 | 0.488 | 8.846 | 3.617 | 17.901 | 0.000 | 1.417 | 0.000 | 11.816 | 0.000 | 0.000 |
| 7 | 0.000 | 16.889 | 41.053 | 3.361 | 8.726 | 6.680 | 0.000 | 0.000 | 27.326 | 2.060 | 11.783 | 0.000 |
| 8 | 0.000 | 3.627 | 13.677 | 15.164 | 0.000 | 0.502 | 0.000 | 53.808 | 0.173 | 0.515 | 2.600 | 0.000 |
| 9 | 0.000 | 0.000 | 8.870 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.431 | 0.000 | 23.906 |
| 10 | 2.562 | 0.000 | 0.000 | 4.893 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.031 | 9.550 | 20.392 |
| 11 | 3.265 | 0.000 | 13.793 | 0.000 | 28.848 | 6.113 | 0.000 | 0.000 | 0.000 | 0.944 | 4.154 | 9.662 |
| 12 | 5.576 | 3.004 | 1.068 | 36.862 | 6.832 | 8.492 | 4.836 | 0.414 | 0.000 | 0.000 | 10.935 | 0.000 |
| 13 | 4.923 | 0.000 | 29.652 | 0.941 | 0.000 | 1.310 | 0.000 | 0.349 | 9.800 | 12.617 | 3.702 | 37.424 |
| 14 | 28.683 | 0.000 | 0.000 | 49.418 | 0.000 | 0.000 | 0.000 | 1.395 | 1.037 | 14.219 | 6.471 | 4.201 |
| 15 | 23.785 | 0.623 | 0.000 | 0.592 | 0.000 | 9.540 | 1.162 | 0.000 | 5.924 | 1.802 | 2.713 | 31.849 |
| 16 | 2.436 | 0.000 | 0.000 | 7.609 | 2.813 | 0.000 | 29.620 | 8.765 | 10.343 | 0.601 | 0.000 | 0.000 |
| 17 | 0.000 | 0.000 | 4.899 | 2.716 | 0.000 | 0.000 | 7.347 | 0.654 | 5.184 | 6.666 | 0.000 | 1.680 |
| 18 | 5.350 | 0.000 | 0.000 | 11.508 | 34.359 | 0.000 | 0.000 | 0.000 | 0.000 | 33.417 | 3.306 | 14.817 |
| 19 | 13.387 | 1.575 | 0.511 | 9.894 | 0.000 | 0.720 | 0.000 | 2.049 | 5.529 | 0.658 | 9.974 | 6.874 |
| 20 | 9.569 | 0.000 | 0.000 | 0.511 | 1.866 | 0.611 | 32.410 | 8.503 | 4.468 | 0.000 | 27.945 | 0.000 |
| 21 | 0.000 | 49.493 | 0.000 | 12.476 | 0.000 | 0.000 | 2.581 | 4.884 | 0.000 | 14.877 | 5.453 | 0.000 |
| 22 | 0.000 | 7.327 | 10.194 | 112.092 | 3.961 | 0.000 | 1.372 | 1.025 | 39.224 | 5.665 | 1.215 | 7.599 |
| 23 | 7.660 | 3.114 | 0.000 | 0.000 | 0.000 | 0.000 | 1.883 | 0.000 | 1.975 | 58.165 | 18.847 | 0.000 |
| 24 | 10.951 | 0.000 | 2.972 | 0.753 | 0.000 | 0.000 | 7.649 | 0.000 | 0.000 | 6.609 | 12.263 | 0.000 |
| 25 | 0.000 | 21.285 | 9.497 | 51.381 | 0.000 | 32.201 | 4.278 | 1.919 | 0.000 | 5.465 | 40.095 | 1.451 |
| 26 | 5.651 | 1.465 | 53.731 | 0.000 | 0.775 | 0.000 | 0.000 | 26.904 | 28.338 | 144.483 | 4.973 | 0.000 |
| 27 | 1.808 | 1.026 | 37.988 | 16.482 | 5.683 | 0.764 | 0.000 | 10.204 | 3.110 | 0.830 | 0.565 | 13.366 |
| 28 | 63.971 | 7.767 | 21.478 | 8.523 | 19.059 | 0.393 | 2.581 | 0.000 | 44.728 | 0.000 | 4.521 | 0.000 |
| 29 | 25.619 | - | 2.392 | 21.348 | 0.000 | 2.161 | 0.046 | 27.471 | 2.592 | 5.693 | 55.353 | 3.551 |
| 30 | 20.821 | - | 21.780 | 11.266 | 0.000 | 0.000 | 0.000 | 7.347 | 8.316 | 12.560 | 4.973 | 1.451 |
| 31 | 16.451 | - | 5.387 | - | 3.646 | - | 1.906 | 0.785 | - | 1.946 | - | 0.000 |
| Total | 283.26 | 188.56 | 279.83 | 427.67 | 162.52 | 115.18 | 97.67 | 173.37 | 256.82 | 376.77 | 381.54 | 269.15 |
| Hari Hujan | 22.00 | 17.00 | 19.00 | 26.00 | 16.00 | 16.00 | 13.00 | 22.00 | 19.00 | 27.00 | 26.00 | 18.00 |
| Max | 63.971 | 49.493 | 53.731 | 112.092 | 34.359 | 32.201 | 32.410 | 53.808 | 50.529 | 144.483 | 82.564 | 50.408 |
| Avg | 9.14 | 6.73 | 9.03 | 14.26 | 5.24 | 3.84 | 3.15 | 5.59 | 8.56 | 12.15 | 12.72 | 8.68 |
Berdasarkan data hujan TRMM di Grid TRMM-0785, yang terletak di Desa Kelurahan Pangkalan Kasai, Kecamatan Siberida, Indragiri Hulu, Provinsi Riau, curah hujan tahunan yang terjadi pada tahun 2001 adalah sebesar 3,012.33 mm. Dengan jumlah hari hujan tahunan adalah 241 hari (66.03%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 144.48 mm yang terjadi pada tanggal 26 Oktober 2001.