| Tahun Data | : | 2009 |
| 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 | 12.758 | 5.468 | 0.000 | 0.000 | 0.000 | 34.685 | 0.837 | 0.000 | 3.858 | 33.668 | 7.279 | 0.000 |
| 2 | 13.241 | 24.132 | 9.010 | 0.000 | 0.654 | 14.861 | 0.000 | 0.000 | 2.309 | 0.000 | 0.279 | 0.852 |
| 3 | 6.334 | 32.105 | 0.000 | 12.043 | 2.736 | 8.747 | 0.000 | 0.000 | 23.940 | 0.000 | 22.333 | 34.842 |
| 4 | 0.965 | 15.793 | 1.985 | 0.212 | 20.609 | 3.450 | 0.279 | 0.000 | 0.668 | 14.839 | 22.798 | 1.613 |
| 5 | 2.021 | 0.000 | 15.913 | 54.089 | 9.278 | 1.059 | 0.000 | 0.000 | 0.000 | 0.000 | 15.333 | 12.111 |
| 6 | 0.000 | 0.000 | 0.000 | 0.273 | 1.546 | 0.000 | 0.000 | 0.000 | 7.109 | 0.000 | 10.717 | 0.000 |
| 7 | 1.146 | 0.000 | 0.000 | 2.943 | 14.007 | 34.685 | 15.101 | 2.947 | 0.000 | 0.000 | 0.000 | 0.000 |
| 8 | 1.146 | 0.000 | 0.000 | 3.185 | 8.951 | 0.000 | 0.000 | 0.714 | 0.000 | 0.000 | 2.695 | 0.000 |
| 9 | 0.845 | 0.000 | 4.520 | 21.630 | 0.000 | 0.000 | 11.039 | 6.341 | 0.000 | 0.405 | 34.290 | 5.782 |
| 10 | 0.000 | 0.000 | 0.000 | 0.546 | 0.535 | 0.000 | 18.605 | 57.541 | 7.261 | 0.000 | 10.996 | 0.335 |
| 11 | 0.000 | 0.794 | 0.428 | 15.835 | 29.322 | 0.000 | 0.000 | 2.858 | 0.152 | 0.000 | 47.113 | 3.347 |
| 12 | 0.000 | 2.658 | 0.000 | 4.672 | 0.000 | 0.000 | 4.651 | 31.554 | 15.464 | 2.151 | 1.022 | 0.000 |
| 13 | 0.000 | 11.608 | 13.591 | 8.191 | 13.977 | 0.000 | 0.000 | 8.514 | 20.051 | 10.038 | 10.160 | 1.795 |
| 14 | 0.000 | 0.000 | 13.591 | 11.285 | 112.143 | 0.000 | 0.837 | 30.661 | 89.684 | 5.830 | 0.496 | 8.033 |
| 15 | 0.784 | 0.000 | 2.168 | 0.000 | 20.787 | 1.695 | 24.682 | 22.981 | 22.421 | 5.580 | 16.696 | 0.000 |
| 16 | 0.000 | 0.000 | 1.894 | 0.394 | 11.925 | 0.000 | 0.000 | 21.939 | 0.000 | 1.403 | 0.000 | 20.996 |
| 17 | 0.000 | 0.000 | 1.802 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.884 | 4.458 | 8.394 | 10.376 |
| 18 | 3.107 | 0.000 | 0.000 | 0.425 | 0.000 | 0.000 | 0.000 | 34.501 | 0.000 | 3.429 | 0.000 | 0.913 |
| 19 | 0.000 | 2.658 | 3.360 | 0.000 | 0.268 | 7.082 | 0.775 | 0.000 | 0.000 | 5.954 | 1.239 | 0.000 |
| 20 | 33.329 | 4.063 | 0.000 | 4.672 | 0.000 | 2.694 | 2.264 | 2.500 | 0.000 | 6.827 | 6.969 | 0.000 |
| 21 | 19.876 | 0.000 | 3.390 | 4.338 | 0.000 | 9.746 | 0.000 | 19.260 | 0.638 | 11.254 | 15.488 | 0.000 |
| 22 | 8.475 | 7.545 | 5.070 | 21.812 | 0.000 | 11.804 | 6.946 | 26.285 | 0.000 | 0.000 | 7.527 | 5.234 |
| 23 | 0.000 | 1.619 | 0.000 | 20.295 | 0.000 | 0.363 | 0.000 | 2.352 | 0.000 | 7.762 | 4.275 | 3.226 |
| 24 | 5.037 | 0.153 | 1.374 | 0.000 | 0.000 | 0.000 | 5.643 | 1.101 | 3.038 | 25.812 | 0.000 | 19.931 |
| 25 | 0.000 | 0.794 | 11.850 | 0.000 | 0.506 | 11.077 | 0.000 | 4.465 | 0.000 | 0.125 | 7.124 | 0.882 |
| 26 | 15.382 | 11.241 | 0.000 | 0.000 | 0.000 | 6.416 | 0.000 | 25.154 | 1.914 | 2.962 | 22.705 | 3.256 |
| 27 | 51.938 | 11.608 | 18.967 | 0.000 | 0.000 | 8.777 | 5.147 | 17.384 | 0.881 | 16.398 | 7.620 | 18.805 |
| 28 | 3.046 | 0.428 | 0.000 | 0.000 | 0.000 | 12.348 | 99.132 | 3.394 | 8.871 | 3.117 | 13.195 | 52.126 |
| 29 | 35.048 | - | 4.276 | 0.000 | 0.000 | 0.000 | 10.140 | 0.000 | 9.783 | 41.556 | 12.793 | 0.000 |
| 30 | 21.294 | - | 25.625 | 0.971 | 0.000 | 1.816 | 0.031 | 1.101 | 50.098 | 2.026 | 20.413 | 11.441 |
| 31 | 3.680 | - | 8.643 | - | 0.000 | - | 0.000 | 0.000 | - | 21.261 | - | 25.256 |
| Total | 239.45 | 132.67 | 147.46 | 187.81 | 247.24 | 171.31 | 206.11 | 323.55 | 270.02 | 226.86 | 329.95 | 241.15 |
| Hari Hujan | 20.00 | 16.00 | 19.00 | 19.00 | 15.00 | 17.00 | 16.00 | 21.00 | 19.00 | 22.00 | 26.00 | 21.00 |
| Max | 51.938 | 32.105 | 25.625 | 54.089 | 112.143 | 34.685 | 99.132 | 57.541 | 89.684 | 41.556 | 47.113 | 52.126 |
| Avg | 7.72 | 4.74 | 4.76 | 6.26 | 7.98 | 5.71 | 6.65 | 10.44 | 9.00 | 7.32 | 11.00 | 7.78 |
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 2009 adalah sebesar 2,723.57 mm. Dengan jumlah hari hujan tahunan adalah 231 hari (63.29%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 112.14 mm yang terjadi pada tanggal 14 Mei 2009.
