| Tahun Data | : | 2003 |
| Nama Stasiun | : | TRMM-1343 |
| Lokasi Stasiun | : | Desa Saumanganya, Kecamatan Pagai Utara, Kepulauan Mentawai, Provinsi Sumatera Barat |
| Longitude | : | 100.125000 |
| Latitude | : | -2.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.754 | 51.602 | 0.000 | 0.000 | 3.486 | 0.000 | 0.000 | 0.000 | 2.100 | 1.735 | 0.000 | 11.221 |
| 2 | 0.000 | 46.652 | 2.739 | 37.245 | 75.449 | 0.000 | 17.390 | 11.389 | 0.870 | 46.727 | 5.093 | 1.178 |
| 3 | 0.000 | 19.955 | 0.000 | 10.564 | 19.170 | 0.000 | 9.263 | 4.167 | 0.000 | 15.525 | 0.000 | 4.278 |
| 4 | 0.000 | 0.000 | 0.000 | 17.536 | 0.000 | 0.000 | 53.248 | 0.000 | 2.401 | 155.464 | 71.634 | 0.000 |
| 5 | 0.000 | 0.000 | 0.000 | 3.109 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 24.992 | 5.366 | 0.000 |
| 6 | 0.000 | 0.942 | 0.000 | 3.561 | 47.806 | 0.000 | 33.528 | 0.000 | 60.914 | 13.394 | 2.910 | 15.591 |
| 7 | 32.109 | 2.278 | 0.000 | 0.000 | 17.908 | 2.186 | 1.194 | 0.000 | 26.286 | 4.597 | 20.553 | 24.518 |
| 8 | 28.965 | 0.000 | 0.089 | 12.163 | 0.000 | 0.000 | 5.272 | 66.574 | 67.546 | 12.755 | 41.774 | 6.199 |
| 9 | 2.842 | 0.000 | 0.000 | 3.682 | 0.000 | 0.090 | 2.185 | 0.000 | 1.740 | 32.938 | 46.655 | 0.868 |
| 10 | 1.512 | 0.000 | 0.000 | 16.087 | 0.000 | 48.299 | 113.021 | 3.272 | 0.000 | 2.770 | 14.218 | 0.310 |
| 11 | 3.779 | 0.516 | 2.888 | 10.201 | 0.000 | 13.654 | 29.362 | 0.833 | 4.321 | 30.259 | 21.281 | 6.850 |
| 12 | 0.000 | 12.301 | 7.623 | 3.048 | 0.000 | 28.836 | 13.516 | 0.000 | 0.900 | 10.076 | 2.001 | 4.433 |
| 13 | 0.000 | 35.839 | 2.829 | 6.308 | 0.000 | 0.000 | 0.000 | 29.167 | 0.000 | 0.000 | 45.927 | 3.658 |
| 14 | 0.000 | 0.000 | 2.650 | 16.811 | 10.246 | 0.000 | 0.000 | 15.926 | 4.321 | 3.653 | 5.517 | 0.000 |
| 15 | 0.423 | 0.000 | 9.231 | 16.268 | 0.000 | 9.821 | 63.327 | 11.204 | 14.223 | 12.298 | 0.030 | 6.106 |
| 16 | 9.554 | 4.556 | 14.739 | 0.905 | 0.000 | 11.648 | 68.104 | 30.247 | 0.000 | 1.035 | 53.809 | 22.070 |
| 17 | 23.129 | 7.532 | 0.000 | 0.000 | 0.000 | 12.427 | 0.000 | 54.321 | 0.120 | 20.304 | 10.489 | 4.990 |
| 18 | 0.000 | 11.359 | 17.926 | 66.098 | 0.000 | 1.168 | 0.000 | 9.321 | 0.000 | 0.000 | 70.482 | 26.874 |
| 19 | 0.272 | 28.580 | 5.002 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.709 | 3.880 | 35.088 |
| 20 | 10.038 | 4.647 | 25.548 | 0.000 | 0.000 | 0.030 | 0.000 | 0.000 | 5.851 | 0.000 | 0.000 | 5.114 |
| 21 | 0.000 | 16.917 | 23.107 | 3.531 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 8.896 |
| 22 | 2.328 | 2.217 | 1.132 | 56.410 | 0.000 | 2.036 | 0.961 | 63.364 | 14.583 | 0.000 | 1.880 | 1.364 |
| 23 | 0.000 | 0.000 | 7.057 | 12.435 | 0.000 | 5.540 | 0.000 | 0.432 | 23.796 | 0.000 | 0.000 | 0.000 |
| 24 | 0.000 | 2.855 | 13.876 | 0.000 | 1.172 | 10.301 | 0.000 | 19.969 | 11.403 | 0.000 | 27.374 | 0.000 |
| 25 | 6.440 | 10.691 | 11.553 | 0.000 | 0.000 | 17.637 | 0.786 | 3.457 | 18.064 | 9.893 | 0.970 | 0.000 |
| 26 | 6.773 | 1.549 | 39.037 | 13.582 | 0.000 | 13.534 | 0.000 | 0.000 | 22.505 | 4.627 | 0.000 | 0.000 |
| 27 | 3.568 | 0.000 | 25.012 | 20.373 | 0.000 | 25.003 | 27.673 | 24.414 | 7.472 | 11.842 | 0.000 | 0.000 |
| 28 | 1.905 | 0.000 | 22.154 | 6.580 | 0.060 | 2.605 | 5.884 | 1.883 | 0.000 | 13.699 | 7.427 | 0.000 |
| 29 | 12.698 | - | 0.000 | 85.687 | 0.000 | 0.000 | 0.000 | 6.111 | 4.261 | 34.520 | 9.004 | 5.982 |
| 30 | 29.509 | - | 21.677 | 0.000 | 0.000 | 8.504 | 0.000 | 33.889 | 14.223 | 0.091 | 0.970 | 0.000 |
| 31 | 25.095 | - | 20.457 | - | 3.786 | - | 1.835 | 0.000 | - | 0.883 | - | 2.387 |
| Total | 202.69 | 260.99 | 276.33 | 422.18 | 179.08 | 213.32 | 446.55 | 389.94 | 307.90 | 466.79 | 469.24 | 197.98 |
| Hari Hujan | 19.00 | 18.00 | 21.00 | 22.00 | 9.00 | 18.00 | 17.00 | 19.00 | 21.00 | 24.00 | 23.00 | 21.00 |
| Max | 32.109 | 51.602 | 39.037 | 85.687 | 75.449 | 48.299 | 113.021 | 66.574 | 67.546 | 155.464 | 71.634 | 35.088 |
| Avg | 6.54 | 9.32 | 8.91 | 14.07 | 5.78 | 7.11 | 14.40 | 12.58 | 10.26 | 15.06 | 15.64 | 6.39 |
Berdasarkan data hujan TRMM di Grid TRMM-1343, yang terletak di Desa Saumanganya, Kecamatan Pagai Utara, Kepulauan Mentawai, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 2003 adalah sebesar 3,832.99 mm. Dengan jumlah hari hujan tahunan adalah 232 hari (63.56%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 155.46 mm yang terjadi pada tanggal 4 Oktober 2003.
