| Tahun Data | : | 2009 |
| Nama Stasiun | : | TRMM-1048 |
| Lokasi Stasiun | : | Desa Madobag, Kecamatan Siberut Selatan, Kepulauan Mentawai, Provinsi Sumatera Barat |
| Longitude | : | 99.125000 |
| Latitude | : | -1.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 25.770 | 4.172 | 0.219 | 5.353 | 1.908 | 34.730 | 0.000 | 0.000 | 2.825 | 6.445 | 4.640 | 0.739 |
| 2 | 21.998 | 30.555 | 3.374 | 0.000 | 0.940 | 16.010 | 0.000 | 0.000 | 0.000 | 0.000 | 4.894 | 0.000 |
| 3 | 4.260 | 45.080 | 0.000 | 22.244 | 4.590 | 15.828 | 0.000 | 0.000 | 48.206 | 0.000 | 49.630 | 7.589 |
| 4 | 8.032 | 17.160 | 4.092 | 4.615 | 7.134 | 3.622 | 0.000 | 0.000 | 2.111 | 16.187 | 51.914 | 0.604 |
| 5 | 0.000 | 0.000 | 12.121 | 73.531 | 33.238 | 0.000 | 0.000 | 0.000 | 0.838 | 0.000 | 44.664 | 0.806 |
| 6 | 0.000 | 0.157 | 0.000 | 0.000 | 0.774 | 0.000 | 0.000 | 1.626 | 16.203 | 0.000 | 31.866 | 4.063 |
| 7 | 8.732 | 0.000 | 0.000 | 0.123 | 19.578 | 69.672 | 24.962 | 11.643 | 11.113 | 0.000 | 0.000 | 9.201 |
| 8 | 1.430 | 0.000 | 0.000 | 7.968 | 32.271 | 0.000 | 0.000 | 0.000 | 12.696 | 0.000 | 0.000 | 8.462 |
| 9 | 13.752 | 0.000 | 2.687 | 13.445 | 3.650 | 0.000 | 35.170 | 17.141 | 0.838 | 0.000 | 47.455 | 16.219 |
| 10 | 0.000 | 0.000 | 0.000 | 4.707 | 2.406 | 0.000 | 22.875 | 48.378 | 0.000 | 4.946 | 13.740 | 2.015 |
| 11 | 0.000 | 0.000 | 1.687 | 26.151 | 20.739 | 0.000 | 0.000 | 1.988 | 1.614 | 0.000 | 42.742 | 19.980 |
| 12 | 4.168 | 0.345 | 6.154 | 0.000 | 2.489 | 3.166 | 0.782 | 27.029 | 12.385 | 23.569 | 17.981 | 0.000 |
| 13 | 2.921 | 8.721 | 14.370 | 8.676 | 20.408 | 6.392 | 0.000 | 25.790 | 27.595 | 25.592 | 19.214 | 10.107 |
| 14 | 0.000 | 0.000 | 25.522 | 18.091 | 66.643 | 0.000 | 0.000 | 161.295 | 82.413 | 14.164 | 4.423 | 8.126 |
| 15 | 0.061 | 0.000 | 3.592 | 0.985 | 15.154 | 0.944 | 19.001 | 25.196 | 21.759 | 15.400 | 32.084 | 0.000 |
| 16 | 0.000 | 0.000 | 5.248 | 0.000 | 10.121 | 0.000 | 0.000 | 24.163 | 0.000 | 4.534 | 0.000 | 15.010 |
| 17 | 0.000 | 0.000 | 2.687 | 0.000 | 0.000 | 0.000 | 0.000 | 9.061 | 5.153 | 2.885 | 8.338 | 9.906 |
| 18 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.826 | 21.065 | 0.000 | 1.836 | 4.930 | 3.056 |
| 19 | 0.669 | 2.823 | 6.373 | 0.000 | 0.000 | 0.213 | 2.012 | 7.848 | 0.000 | 6.969 | 1.233 | 0.000 |
| 20 | 29.026 | 1.725 | 0.000 | 6.553 | 0.000 | 11.749 | 5.626 | 7.306 | 0.000 | 8.618 | 7.976 | 0.000 |
| 21 | 13.418 | 22.995 | 9.184 | 2.984 | 0.000 | 19.328 | 0.000 | 6.170 | 0.000 | 14.763 | 3.335 | 0.000 |
| 22 | 3.043 | 16.407 | 12.527 | 15.568 | 0.000 | 3.622 | 11.326 | 44.609 | 0.000 | 0.000 | 4.822 | 0.000 |
| 23 | 6.967 | 7.278 | 0.000 | 32.858 | 0.000 | 1.004 | 0.000 | 0.620 | 0.000 | 6.108 | 3.372 | 0.000 |
| 24 | 3.742 | 0.000 | 3.249 | 0.000 | 0.000 | 0.000 | 10.544 | 0.000 | 6.705 | 42.341 | 0.000 | 50.638 |
| 25 | 0.000 | 0.533 | 71.287 | 0.000 | 0.415 | 24.107 | 0.857 | 2.530 | 0.000 | 4.609 | 1.160 | 10.678 |
| 26 | 17.251 | 16.595 | 0.000 | 0.000 | 0.000 | 5.296 | 0.000 | 54.703 | 1.149 | 5.096 | 30.271 | 9.234 |
| 27 | 19.138 | 15.372 | 4.248 | 0.000 | 0.000 | 8.827 | 40.572 | 21.065 | 17.538 | 18.960 | 24.398 | 32.874 |
| 28 | 15.000 | 2.729 | 0.000 | 0.000 | 0.000 | 15.067 | 110.465 | 17.529 | 11.019 | 2.885 | 4.205 | 34.184 |
| 29 | 35.811 | - | 0.906 | 0.000 | 0.000 | 0.000 | 22.354 | 0.000 | 37.156 | 83.634 | 8.483 | 2.653 |
| 30 | 31.186 | - | 12.808 | 0.000 | 0.000 | 2.496 | 0.000 | 1.317 | 57.022 | 9.930 | 28.169 | 6.011 |
| 31 | 9.462 | - | 7.591 | - | 0.000 | - | 0.000 | 0.000 | - | 33.573 | - | 12.760 |
| Total | 275.84 | 192.65 | 209.93 | 243.85 | 242.46 | 242.07 | 308.37 | 538.07 | 376.34 | 353.04 | 495.94 | 274.92 |
| Hari Hujan | 22.00 | 16.00 | 21.00 | 16.00 | 17.00 | 18.00 | 14.00 | 22.00 | 20.00 | 22.00 | 26.00 | 23.00 |
| Max | 35.811 | 45.080 | 71.287 | 73.531 | 66.643 | 69.672 | 110.465 | 161.295 | 82.413 | 83.634 | 51.914 | 50.638 |
| Avg | 8.90 | 6.88 | 6.77 | 8.13 | 7.82 | 8.07 | 9.95 | 17.36 | 12.54 | 11.39 | 16.53 | 8.87 |
Berdasarkan data hujan TRMM di Grid TRMM-1048, yang terletak di Desa Madobag, Kecamatan Siberut Selatan, Kepulauan Mentawai, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 2009 adalah sebesar 3,753.47 mm. Dengan jumlah hari hujan tahunan adalah 237 hari (64.93%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 161.30 mm yang terjadi pada tanggal 14 Agustus 2009.
