| Tahun Data | : | 2013 |
| 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 | 18.854 | 0.000 | 0.000 | 16.282 | 1.240 | 0.000 | 0.000 | 39.460 | 5.813 | 0.000 | 25.538 | 6.848 |
| 2 | 9.142 | 0.000 | 0.000 | 40.489 | 0.000 | 2.621 | 1.901 | 0.027 | 9.563 | 0.000 | 1.467 | 83.809 |
| 3 | 0.000 | 1.636 | 1.270 | 18.712 | 0.000 | 12.571 | 8.275 | 0.000 | 25.084 | 2.858 | 11.504 | 7.421 |
| 4 | 11.300 | 27.001 | 5.730 | 40.257 | 10.258 | 0.000 | 66.731 | 2.908 | 23.892 | 4.476 | 21.397 | 6.819 |
| 5 | 0.000 | 1.812 | 0.000 | 7.895 | 3.832 | 0.000 | 0.000 | 0.163 | 14.853 | 10.058 | 4.947 | 0.000 |
| 6 | 16.845 | 3.244 | 4.632 | 47.719 | 8.764 | 0.000 | 0.000 | 0.000 | 27.293 | 70.972 | 1.179 | 19.627 |
| 7 | 28.775 | 140.617 | 0.000 | 9.081 | 31.139 | 2.770 | 0.000 | 57.505 | 4.011 | 0.782 | 8.829 | 18.682 |
| 8 | 30.723 | 13.208 | 0.000 | 1.301 | 17.500 | 9.919 | 1.985 | 19.105 | 16.451 | 6.499 | 1.984 | 3.295 |
| 9 | 10.071 | 1.286 | 0.000 | 0.000 | 0.000 | 0.000 | 3.522 | 0.870 | 40.692 | 40.798 | 13.316 | 1.519 |
| 10 | 0.809 | 0.000 | 0.000 | 0.000 | 0.000 | 28.209 | 3.718 | 3.098 | 8.400 | 26.453 | 2.818 | 54.669 |
| 11 | 1.499 | 0.058 | 0.000 | 0.000 | 0.000 | 3.932 | 1.985 | 0.000 | 3.139 | 6.606 | 4.026 | 38.452 |
| 12 | 22.211 | 24.254 | 23.024 | 0.000 | 1.071 | 0.000 | 11.518 | 0.000 | 1.482 | 21.437 | 0.000 | 0.946 |
| 13 | 1.709 | 1.315 | 0.000 | 10.498 | 0.000 | 0.089 | 21.303 | 0.000 | 2.819 | 0.000 | 16.278 | 0.000 |
| 14 | 33.960 | 10.812 | 11.495 | 3.673 | 0.000 | 1.489 | 1.705 | 0.000 | 0.000 | 0.000 | 26.545 | 0.000 |
| 15 | 1.049 | 39.830 | 0.000 | 0.000 | 1.465 | 0.000 | 0.000 | 17.801 | 1.482 | 0.000 | 12.510 | 5.243 |
| 16 | 0.000 | 23.816 | 19.147 | 1.909 | 0.733 | 0.000 | 0.000 | 1.114 | 16.684 | 27.505 | 33.994 | 26.160 |
| 17 | 4.436 | 16.861 | 0.034 | 20.244 | 0.000 | 1.043 | 34.498 | 23.290 | 1.540 | 22.974 | 0.000 | 0.000 |
| 18 | 29.284 | 0.000 | 1.304 | 0.000 | 1.043 | 0.000 | 0.112 | 56.500 | 0.000 | 43.738 | 23.468 | 0.000 |
| 19 | 0.000 | 3.711 | 0.000 | 0.000 | 0.507 | 21.179 | 0.000 | 27.856 | 0.000 | 103.546 | 4.084 | 5.788 |
| 20 | 0.000 | 45.820 | 3.397 | 0.174 | 0.000 | 0.000 | 2.544 | 0.000 | 0.000 | 0.000 | 0.000 | 1.948 |
| 21 | 0.060 | 27.264 | 1.853 | 2.574 | 43.763 | 0.000 | 0.895 | 0.951 | 0.000 | 0.054 | 0.000 | 6.877 |
| 22 | 0.000 | 5.903 | 0.000 | 1.475 | 0.845 | 0.000 | 0.000 | 0.000 | 0.000 | 12.620 | 2.473 | 13.295 |
| 23 | 0.659 | 6.195 | 0.000 | 4.396 | 2.762 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.122 | 0.000 |
| 24 | 0.000 | 0.000 | 2.368 | 0.000 | 1.127 | 0.000 | 1.817 | 0.000 | 3.284 | 0.000 | 0.489 | 0.000 |
| 25 | 15.616 | 0.146 | 16.745 | 0.000 | 0.648 | 0.000 | 3.550 | 0.000 | 2.180 | 0.000 | 28.989 | 0.000 |
| 26 | 0.000 | 1.929 | 15.373 | 1.764 | 9.497 | 32.409 | 0.000 | 0.000 | 0.000 | 0.458 | 0.920 | 0.000 |
| 27 | 8.902 | 3.594 | 0.000 | 0.000 | 1.578 | 0.000 | 0.000 | 0.000 | 1.628 | 29.419 | 12.597 | 0.000 |
| 28 | 5.695 | 0.000 | 4.255 | 0.463 | 8.708 | 0.000 | 21.498 | 8.289 | 62.607 | 20.871 | 0.000 | 23.724 |
| 29 | 6.594 | - | 0.000 | 0.000 | 0.000 | 1.609 | 0.112 | 5.272 | 12.614 | 43.738 | 31.808 | 113.608 |
| 30 | 0.000 | - | 13.211 | 65.687 | 0.000 | 1.426 | 2.544 | 17.447 | 0.000 | 1.915 | 64.605 | 3.639 |
| 31 | 0.000 | - | 0.000 | - | 0.000 | - | 0.811 | 32.802 | - | 4.126 | - | 5.466 |
| Total | 258.19 | 400.31 | 123.84 | 294.59 | 146.48 | 119.27 | 191.02 | 314.46 | 285.51 | 501.90 | 356.89 | 447.84 |
| Hari Hujan | 21.00 | 22.00 | 15.00 | 19.00 | 19.00 | 13.00 | 20.00 | 18.00 | 21.00 | 22.00 | 25.00 | 21.00 |
| Max | 33.960 | 140.617 | 23.024 | 65.687 | 43.763 | 32.409 | 66.731 | 57.505 | 62.607 | 103.546 | 64.605 | 113.608 |
| Avg | 8.33 | 14.30 | 3.99 | 9.82 | 4.73 | 3.98 | 6.16 | 10.14 | 9.52 | 16.19 | 11.90 | 14.45 |
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 2013 adalah sebesar 3,440.30 mm. Dengan jumlah hari hujan tahunan adalah 236 hari (64.66%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 140.62 mm yang terjadi pada tanggal 7 Februari 2013.