| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-1120 |
| Lokasi Stasiun | : | Desa Inderapura Utara, Kecamatan Airpura, Pesisir Selatan, Provinsi Sumatera Barat |
| Longitude | : | 101.125000 |
| Latitude | : | -1.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 25.269 | 14.049 | 0.000 | 6.783 | 2.401 | 6.305 | 0.000 | 8.637 | 0.000 | 2.200 | 19.441 | 26.941 |
| 2 | 2.177 | 8.405 | 13.281 | 2.030 | 18.043 | 0.738 | 0.000 | 0.508 | 44.105 | 21.809 | 23.360 | 27.526 |
| 3 | 19.080 | 8.769 | 5.571 | 1.130 | 5.896 | 0.000 | 0.692 | 27.493 | 3.693 | 4.072 | 8.359 | 0.585 |
| 4 | 5.421 | 15.414 | 11.142 | 0.026 | 29.216 | 28.602 | 0.000 | 2.258 | 0.538 | 26.161 | 20.001 | 37.016 |
| 5 | 0.000 | 21.635 | 0.000 | 3.057 | 10.198 | 2.922 | 4.798 | 3.557 | 1.040 | 6.552 | 5.859 | 6.477 |
| 6 | 5.122 | 3.125 | 34.879 | 35.249 | 6.823 | 10.611 | 11.534 | 3.557 | 6.920 | 5.990 | 4.441 | 3.598 |
| 7 | 0.000 | 0.000 | 2.139 | 19.860 | 0.000 | 9.165 | 0.877 | 9.823 | 38.224 | 0.000 | 0.000 | 21.274 |
| 8 | 0.000 | 2.427 | 2.667 | 17.522 | 16.783 | 0.000 | 8.351 | 16.033 | 1.542 | 3.978 | 2.500 | 8.366 |
| 9 | 0.000 | 19.784 | 12.251 | 19.038 | 25.864 | 19.929 | 19.423 | 15.017 | 0.968 | 6.365 | 0.000 | 0.000 |
| 10 | 6.573 | 10.135 | 11.750 | 14.028 | 12.504 | 0.092 | 2.584 | 0.000 | 0.000 | 15.725 | 30.673 | 11.964 |
| 11 | 10.756 | 3.398 | 0.000 | 4.522 | 2.876 | 0.000 | 1.476 | 0.000 | 6.203 | 0.562 | 10.336 | 20.734 |
| 12 | 26.294 | 0.000 | 10.825 | 1.387 | 3.423 | 0.000 | 16.747 | 0.000 | 0.000 | 9.968 | 0.000 | 0.000 |
| 13 | 26.507 | 5.007 | 0.000 | 12.281 | 4.873 | 2.737 | 0.000 | 18.178 | 1.757 | 3.276 | 9.105 | 2.294 |
| 14 | 0.854 | 2.033 | 8.053 | 4.496 | 19.945 | 1.507 | 0.000 | 23.541 | 2.797 | 22.745 | 0.000 | 21.229 |
| 15 | 15.068 | 23.212 | 12.726 | 7.476 | 0.000 | 0.000 | 0.000 | 21.509 | 5.558 | 1.264 | 13.023 | 0.000 |
| 16 | 7.641 | 27.794 | 0.000 | 3.648 | 0.998 | 18.822 | 0.185 | 26.759 | 2.940 | 0.796 | 0.000 | 0.000 |
| 17 | 0.000 | 47.881 | 11.380 | 3.597 | 0.000 | 6.151 | 0.461 | 21.170 | 1.685 | 7.582 | 2.426 | 1.169 |
| 18 | 14.555 | 2.579 | 9.928 | 13.771 | 1.189 | 2.953 | 0.000 | 32.179 | 10.363 | 3.744 | 0.000 | 0.000 |
| 19 | 9.775 | 0.000 | 0.000 | 2.184 | 0.000 | 12.579 | 12.549 | 5.589 | 6.383 | 0.000 | 0.000 | 0.135 |
| 20 | 9.049 | 5.644 | 2.904 | 0.000 | 0.000 | 32.908 | 0.000 | 28.792 | 6.813 | 0.000 | 0.000 | 2.204 |
| 21 | 0.000 | 18.418 | 8.079 | 0.000 | 0.000 | 20.052 | 4.106 | 32.066 | 0.000 | 7.394 | 1.530 | 0.000 |
| 22 | 0.854 | 3.550 | 9.479 | 0.000 | 3.970 | 0.000 | 3.599 | 19.477 | 0.000 | 0.000 | 0.000 | 4.048 |
| 23 | 7.854 | 0.000 | 5.624 | 32.526 | 7.108 | 0.492 | 2.261 | 0.000 | 28.220 | 51.901 | 9.851 | 4.003 |
| 24 | 5.805 | 0.000 | 2.957 | 16.905 | 0.000 | 5.936 | 2.076 | 29.187 | 15.957 | 0.000 | 0.634 | 4.588 |
| 25 | 0.000 | 0.152 | 4.647 | 0.000 | 0.000 | 0.738 | 15.040 | 16.428 | 27.431 | 16.193 | 0.000 | 1.844 |
| 26 | 2.561 | 9.437 | 6.337 | 3.674 | 0.000 | 0.000 | 9.781 | 11.065 | 2.761 | 21.528 | 0.037 | 2.968 |
| 27 | 7.982 | 9.801 | 0.554 | 33.065 | 0.000 | 0.000 | 1.246 | 19.477 | 45.862 | 12.262 | 0.000 | 0.000 |
| 28 | 0.000 | 0.000 | 0.000 | 1.901 | 0.000 | 0.000 | 2.537 | 25.630 | 17.427 | 8.892 | 0.000 | 10.795 |
| 29 | 19.165 | - | 0.000 | 5.215 | 0.000 | 0.000 | 10.473 | 0.000 | 16.351 | 0.562 | 24.591 | 20.869 |
| 30 | 9.433 | - | 6.627 | 3.828 | 0.000 | 0.000 | 0.000 | 17.952 | 8.068 | 11.934 | 0.000 | 34.767 |
| 31 | 3.799 | - | 10.297 | - | 0.000 | - | 22.837 | 4.516 | - | 19.562 | - | 19.385 |
| Total | 241.59 | 262.65 | 204.10 | 269.20 | 172.11 | 183.24 | 153.63 | 440.40 | 303.61 | 293.02 | 186.17 | 294.78 |
| Hari Hujan | 23.00 | 22.00 | 23.00 | 26.00 | 17.00 | 19.00 | 22.00 | 26.00 | 25.00 | 26.00 | 17.00 | 24.00 |
| Max | 26.507 | 47.881 | 34.879 | 35.249 | 29.216 | 32.908 | 22.837 | 32.179 | 45.862 | 51.901 | 30.673 | 37.016 |
| Avg | 7.79 | 9.38 | 6.58 | 8.97 | 5.55 | 6.11 | 4.96 | 14.21 | 10.12 | 9.45 | 6.21 | 9.51 |
Berdasarkan data hujan TRMM di Grid TRMM-1120, yang terletak di Desa Inderapura Utara, Kecamatan Airpura, Pesisir Selatan, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 3,004.49 mm. Dengan jumlah hari hujan tahunan adalah 270 hari (73.97%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 51.90 mm yang terjadi pada tanggal 23 Oktober 1998.
