| Tahun Data | : | 2004 |
| Nama Stasiun | : | TRMM-1199 |
| Lokasi Stasiun | : | Desa Saureinu, Kecamatan Sipora Selatan, Kepulauan Mentawai, Provinsi Sumatera Barat |
| Longitude | : | 99.625000 |
| Latitude | : | -2.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 14.073 | 3.917 | 0.091 | 0.000 | 27.756 | 12.160 | 18.416 | 35.317 | 0.000 | 0.090 | 16.612 | 5.793 |
| 2 | 0.000 | 0.000 | 38.769 | 76.723 | 0.000 | 0.030 | 13.489 | 0.000 | 0.210 | 19.717 | 17.420 | 0.000 |
| 3 | 5.551 | 0.000 | 29.563 | 16.856 | 26.821 | 0.000 | 0.361 | 0.000 | 7.621 | 1.924 | 40.946 | 4.458 |
| 4 | 1.710 | 0.000 | 2.340 | 0.813 | 7.693 | 7.928 | 2.433 | 0.000 | 7.681 | 0.000 | 10.685 | 1.486 |
| 5 | 0.000 | 29.634 | 15.404 | 0.000 | 10.499 | 1.937 | 24.004 | 0.000 | 0.000 | 2.164 | 9.967 | 14.558 |
| 6 | 0.000 | 3.977 | 12.305 | 4.425 | 33.338 | 74.392 | 7.571 | 0.000 | 0.000 | 0.000 | 2.933 | 0.000 |
| 7 | 0.000 | 0.000 | 58.153 | 15.622 | 0.000 | 5.037 | 16.794 | 1.020 | 15.752 | 0.000 | 1.018 | 0.000 |
| 8 | 1.440 | 1.645 | 0.000 | 17.729 | 0.000 | 0.000 | 0.210 | 19.126 | 1.050 | 1.232 | 0.000 | 9.250 |
| 9 | 10.862 | 0.807 | 0.000 | 0.000 | 0.000 | 11.266 | 0.180 | 0.000 | 2.160 | 5.170 | 0.000 | 0.000 |
| 10 | 0.000 | 0.000 | 0.243 | 9.511 | 0.000 | 0.000 | 0.871 | 0.000 | 12.422 | 4.178 | 9.398 | 14.588 |
| 11 | 10.802 | 0.000 | 1.246 | 0.000 | 0.332 | 0.000 | 0.000 | 0.000 | 20.013 | 8.476 | 6.106 | 22.928 |
| 12 | 1.110 | 0.000 | 1.489 | 1.023 | 0.362 | 0.000 | 0.270 | 0.000 | 4.201 | 19.897 | 72.763 | 4.519 |
| 13 | 0.060 | 0.628 | 1.033 | 2.920 | 0.000 | 0.000 | 2.133 | 3.461 | 5.071 | 2.495 | 31.338 | 55.623 |
| 14 | 1.080 | 1.615 | 5.256 | 11.438 | 0.000 | 0.000 | 40.077 | 0.556 | 0.000 | 4.178 | 13.858 | 0.000 |
| 15 | 5.761 | 0.000 | 31.872 | 0.000 | 0.151 | 0.000 | 24.966 | 0.124 | 7.861 | 0.000 | 12.930 | 0.000 |
| 16 | 0.960 | 0.000 | 0.000 | 13.394 | 0.000 | 0.000 | 21.541 | 0.000 | 11.162 | 7.785 | 0.808 | 0.000 |
| 17 | 27.786 | 2.213 | 0.000 | 13.785 | 0.000 | 0.000 | 2.193 | 0.000 | 11.192 | 25.668 | 34.541 | 4.822 |
| 18 | 32.437 | 0.000 | 0.000 | 0.150 | 0.000 | 0.000 | 0.000 | 4.202 | 10.111 | 12.774 | 14.247 | 37.122 |
| 19 | 0.000 | 7.446 | 0.000 | 11.257 | 0.000 | 0.000 | 0.000 | 0.000 | 0.930 | 11.572 | 11.284 | 49.921 |
| 20 | 35.078 | 15.280 | 0.000 | 22.574 | 0.000 | 0.000 | 1.803 | 0.000 | 0.000 | 9.047 | 36.097 | 11.555 |
| 21 | 7.592 | 25.238 | 23.577 | 22.243 | 8.870 | 0.119 | 3.155 | 1.143 | 41.526 | 21.460 | 6.794 | 0.000 |
| 22 | 0.810 | 0.000 | 2.583 | 11.679 | 3.892 | 14.217 | 0.931 | 1.483 | 17.702 | 46.467 | 0.000 | 18.076 |
| 23 | 10.382 | 0.000 | 1.155 | 24.320 | 14.059 | 0.000 | 0.210 | 0.247 | 14.222 | 3.456 | 12.900 | 0.000 |
| 24 | 7.142 | 38.006 | 0.000 | 15.260 | 0.000 | 0.000 | 1.863 | 23.638 | 10.861 | 13.916 | 11.494 | 18.167 |
| 25 | 0.000 | 15.191 | 0.000 | 1.535 | 41.152 | 3.517 | 0.661 | 0.649 | 24.363 | 3.126 | 4.130 | 59.626 |
| 26 | 47.981 | 22.846 | 0.000 | 3.341 | 30.592 | 16.810 | 31.695 | 10.722 | 31.624 | 16.381 | 0.000 | 0.971 |
| 27 | 11.342 | 26.045 | 0.000 | 0.000 | 3.560 | 49.655 | 5.167 | 0.000 | 13.202 | 39.223 | 6.615 | 22.564 |
| 28 | 6.031 | 0.000 | 0.091 | 65.406 | 31.829 | 0.000 | 17.515 | 1.421 | 49.267 | 5.981 | 15.804 | 0.121 |
| 29 | 15.543 | 9.064 | 0.000 | 2.619 | 1.146 | 2.086 | 0.270 | 6.890 | 11.132 | 42.079 | 1.197 | 6.460 |
| 30 | 0.960 | - | 1.489 | 4.605 | 0.000 | 1.172 | 0.721 | 0.000 | 0.000 | 1.172 | 14.012 | 0.000 |
| 31 | 57.071 | - | 2.461 | - | 0.000 | - | 0.000 | 16.562 | - | 32.020 | - | 29.982 |
| Total | 313.56 | 203.55 | 229.12 | 369.23 | 242.05 | 200.33 | 239.50 | 126.56 | 331.34 | 361.65 | 415.90 | 392.59 |
| Hari Hujan | 24.00 | 16.00 | 19.00 | 24.00 | 16.00 | 14.00 | 27.00 | 16.00 | 24.00 | 27.00 | 26.00 | 21.00 |
| Max | 57.071 | 38.006 | 58.153 | 76.723 | 41.152 | 74.392 | 40.077 | 35.317 | 49.267 | 46.467 | 72.763 | 59.626 |
| Avg | 10.11 | 7.02 | 7.39 | 12.31 | 7.81 | 6.68 | 7.73 | 4.08 | 11.04 | 11.67 | 13.86 | 12.66 |
Berdasarkan data hujan TRMM di Grid TRMM-1199, yang terletak di Desa Saureinu, Kecamatan Sipora Selatan, Kepulauan Mentawai, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 2004 adalah sebesar 3,425.37 mm. Dengan jumlah hari hujan tahunan adalah 254 hari (69.59%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 76.72 mm yang terjadi pada tanggal 2 April 2004.
