| Tahun Data | : | 2003 |
| Nama Stasiun | : | TRMM-1047 |
| Lokasi Stasiun | : | Desa Sagulubbeg, Kecamatan Siberut Barat Daya, Kepulauan Mentawai, Provinsi Sumatera Barat |
| Longitude | : | 98.875000 |
| Latitude | : | -1.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.457 | 24.316 | 0.000 | 11.380 | 7.877 | 0.941 | 5.101 | 13.483 | 12.551 | 0.000 | 6.613 | 28.603 |
| 2 | 0.000 | 33.827 | 0.000 | 0.000 | 25.725 | 0.000 | 23.756 | 12.524 | 0.000 | 2.051 | 12.012 | 0.000 |
| 3 | 0.000 | 1.693 | 0.000 | 9.859 | 11.324 | 0.000 | 9.569 | 5.257 | 2.097 | 23.462 | 10.607 | 2.489 |
| 4 | 0.000 | 0.000 | 4.094 | 48.015 | 5.877 | 1.791 | 5.645 | 0.000 | 0.365 | 22.996 | 18.370 | 2.734 |
| 5 | 1.396 | 0.000 | 0.269 | 0.000 | 0.000 | 0.000 | 0.000 | 11.163 | 0.486 | 3.698 | 0.000 | 0.000 |
| 6 | 0.607 | 0.000 | 0.000 | 0.578 | 2.985 | 0.000 | 0.000 | 0.000 | 2.127 | 26.538 | 0.926 | 5.162 |
| 7 | 14.265 | 0.000 | 0.000 | 3.134 | 27.263 | 7.711 | 0.000 | 0.000 | 21.212 | 2.455 | 0.926 | 20.462 |
| 8 | 25.343 | 3.139 | 0.000 | 4.351 | 10.739 | 0.000 | 0.241 | 8.442 | 22.913 | 33.592 | 15.048 | 7.988 |
| 9 | 0.000 | 0.185 | 0.000 | 0.000 | 1.662 | 0.000 | 18.775 | 0.000 | 3.677 | 16.501 | 0.351 | 25.931 |
| 10 | 2.762 | 0.000 | 0.807 | 38.856 | 12.647 | 0.000 | 1.479 | 46.602 | 4.194 | 13.922 | 6.837 | 4.117 |
| 11 | 0.000 | 5.171 | 0.807 | 0.913 | 34.371 | 0.729 | 9.629 | 10.359 | 16.289 | 15.071 | 29.744 | 32.720 |
| 12 | 0.000 | 0.000 | 15.541 | 0.000 | 0.000 | 18.246 | 6.701 | 16.142 | 0.000 | 0.186 | 9.840 | 7.466 |
| 13 | 0.000 | 23.916 | 18.410 | 0.335 | 0.000 | 0.000 | 18.775 | 51.086 | 3.829 | 0.000 | 1.214 | 0.000 |
| 14 | 0.000 | 1.754 | 3.706 | 46.524 | 0.892 | 0.000 | 0.000 | 12.740 | 37.379 | 1.802 | 3.738 | 0.000 |
| 15 | 0.000 | 0.000 | 21.219 | 13.327 | 0.000 | 5.556 | 25.718 | 65.063 | 2.796 | 36.389 | 8.019 | 0.000 |
| 16 | 1.093 | 14.866 | 6.665 | 14.757 | 0.523 | 0.000 | 2.988 | 30.738 | 0.000 | 5.780 | 9.233 | 20.431 |
| 17 | 7.861 | 12.312 | 14.734 | 32.375 | 0.000 | 0.638 | 0.000 | 7.545 | 3.282 | 8.887 | 30.383 | 5.807 |
| 18 | 0.395 | 4.432 | 0.000 | 46.798 | 0.431 | 2.004 | 0.000 | 0.000 | 0.000 | 0.000 | 25.814 | 0.000 |
| 19 | 0.000 | 2.093 | 4.154 | 4.503 | 0.000 | 1.488 | 0.000 | 0.000 | 0.000 | 3.232 | 0.160 | 12.719 |
| 20 | 6.586 | 21.053 | 20.651 | 0.335 | 0.000 | 8.288 | 0.000 | 0.588 | 26.165 | 4.475 | 1.502 | 0.000 |
| 21 | 5.402 | 44.538 | 19.755 | 3.225 | 0.000 | 12.417 | 0.000 | 4.391 | 14.009 | 0.000 | 0.000 | 1.352 |
| 22 | 0.000 | 0.708 | 0.000 | 54.618 | 0.000 | 0.000 | 0.000 | 10.421 | 45.675 | 3.574 | 6.294 | 0.522 |
| 23 | 0.000 | 0.000 | 30.783 | 0.000 | 0.000 | 0.000 | 0.362 | 0.000 | 1.823 | 0.000 | 0.735 | 0.000 |
| 24 | 3.187 | 0.800 | 60.728 | 0.000 | 0.000 | 47.907 | 0.000 | 4.793 | 0.304 | 0.000 | 14.920 | 0.000 |
| 25 | 1.791 | 7.079 | 22.504 | 5.355 | 0.462 | 25.107 | 0.000 | 8.349 | 3.677 | 3.325 | 3.962 | 0.000 |
| 26 | 0.577 | 1.693 | 19.456 | 5.477 | 0.000 | 13.024 | 0.000 | 0.000 | 27.320 | 13.362 | 0.000 | 0.000 |
| 27 | 2.003 | 0.000 | 80.573 | 0.000 | 0.000 | 37.706 | 20.314 | 16.173 | 30.511 | 1.025 | 9.265 | 0.000 |
| 28 | 0.000 | 0.000 | 6.485 | 22.182 | 0.000 | 0.000 | 0.000 | 27.274 | 0.000 | 25.078 | 7.156 | 0.000 |
| 29 | 10.684 | - | 1.823 | 24.373 | 0.000 | 0.000 | 0.000 | 39.922 | 0.304 | 16.905 | 1.374 | 2.151 |
| 30 | 69.474 | - | 8.607 | 0.000 | 0.000 | 10.960 | 0.000 | 15.214 | 2.780 | 0.590 | 0.096 | 0.000 |
| 31 | 37.059 | - | 5.858 | - | 2.092 | - | 0.000 | 0.000 | - | 0.559 | - | 2.642 |
| Total | 191.94 | 203.58 | 367.63 | 391.27 | 144.87 | 194.51 | 149.05 | 418.27 | 285.77 | 285.46 | 235.14 | 183.30 |
| Hari Hujan | 18.00 | 18.00 | 22.00 | 22.00 | 15.00 | 16.00 | 14.00 | 22.00 | 24.00 | 25.00 | 27.00 | 17.00 |
| Max | 69.474 | 44.538 | 80.573 | 54.618 | 34.371 | 47.907 | 25.718 | 65.063 | 45.675 | 36.389 | 30.383 | 32.720 |
| Avg | 6.19 | 7.27 | 11.86 | 13.04 | 4.67 | 6.48 | 4.81 | 13.49 | 9.53 | 9.21 | 7.84 | 5.91 |
Berdasarkan data hujan TRMM di Grid TRMM-1047, yang terletak di Desa Sagulubbeg, Kecamatan Siberut Barat Daya, Kepulauan Mentawai, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 2003 adalah sebesar 3,050.78 mm. Dengan jumlah hari hujan tahunan adalah 240 hari (65.75%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 80.57 mm yang terjadi pada tanggal 27 Maret 2003.
