| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-1201 |
| Lokasi Stasiun | : | Desa Limau Purut Tapan, Kecamatan Ranah Ampek Hulu Tapan, Pesisir Selatan, Provinsi Sumatera Barat |
| Longitude | : | 101.125000 |
| Latitude | : | -2.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 9.615 | 28.026 | 5.525 | 4.060 | 1.763 | 4.523 | 0.000 | 9.591 | 0.000 | 3.923 | 17.823 | 27.873 |
| 2 | 3.195 | 8.080 | 7.876 | 4.513 | 33.303 | 21.954 | 0.904 | 0.000 | 48.143 | 21.513 | 20.353 | 59.957 |
| 3 | 29.753 | 9.073 | 20.181 | 6.824 | 13.669 | 7.142 | 0.937 | 17.599 | 20.319 | 0.000 | 1.479 | 15.210 |
| 4 | 8.677 | 13.046 | 18.065 | 11.597 | 34.438 | 29.070 | 0.000 | 0.452 | 0.000 | 25.724 | 21.287 | 35.377 |
| 5 | 0.000 | 25.395 | 3.840 | 3.498 | 14.852 | 0.926 | 0.569 | 2.760 | 0.000 | 16.640 | 2.024 | 2.241 |
| 6 | 5.687 | 6.496 | 35.248 | 47.963 | 10.167 | 0.000 | 7.028 | 14.749 | 11.518 | 18.911 | 0.000 | 2.377 |
| 7 | 0.000 | 0.000 | 3.997 | 28.527 | 0.000 | 7.036 | 1.539 | 0.000 | 9.758 | 0.000 | 0.000 | 23.731 |
| 8 | 8.354 | 4.027 | 1.469 | 52.304 | 17.050 | 0.000 | 0.000 | 23.706 | 6.423 | 6.276 | 0.934 | 1.086 |
| 9 | 21.868 | 9.476 | 6.074 | 43.558 | 42.456 | 12.009 | 15.361 | 17.463 | 0.000 | 6.730 | 0.000 | 0.136 |
| 10 | 7.915 | 17.422 | 11.678 | 4.945 | 28.691 | 0.000 | 1.975 | 0.000 | 0.000 | 0.000 | 29.186 | 13.003 |
| 11 | 2.668 | 11.436 | 0.000 | 12.698 | 11.471 | 0.000 | 4.016 | 0.000 | 3.644 | 5.368 | 4.047 | 17.417 |
| 12 | 13.015 | 0.000 | 5.819 | 0.799 | 0.072 | 0.000 | 16.901 | 10.315 | 0.000 | 17.136 | 0.000 | 0.000 |
| 13 | 82.723 | 8.537 | 0.000 | 5.939 | 2.801 | 2.910 | 0.000 | 16.377 | 1.266 | 12.511 | 8.756 | 0.985 |
| 14 | 29.108 | 4.510 | 6.995 | 4.211 | 25.841 | 2.777 | 0.000 | 87.496 | 5.775 | 23.907 | 0.000 | 21.355 |
| 15 | 16.826 | 39.595 | 2.528 | 8.746 | 0.000 | 0.000 | 0.000 | 17.192 | 4.231 | 1.858 | 15.761 | 0.000 |
| 16 | 16.064 | 23.945 | 0.000 | 2.462 | 0.145 | 10.580 | 6.225 | 39.450 | 2.501 | 1.899 | 0.000 | 0.136 |
| 17 | 0.000 | 25.959 | 12.990 | 5.528 | 0.000 | 1.137 | 3.882 | 25.787 | 2.532 | 3.592 | 1.673 | 0.407 |
| 18 | 6.566 | 2.416 | 25.334 | 11.726 | 0.000 | 3.253 | 0.000 | 15.472 | 9.202 | 4.459 | 0.000 | 0.000 |
| 19 | 0.088 | 3.490 | 0.000 | 2.937 | 0.000 | 7.909 | 17.503 | 0.000 | 13.865 | 1.652 | 0.000 | 1.833 |
| 20 | 6.361 | 2.658 | 3.350 | 1.987 | 0.000 | 13.305 | 1.205 | 21.716 | 10.067 | 0.000 | 0.000 | 0.849 |
| 21 | 0.000 | 3.543 | 6.720 | 0.000 | 1.691 | 15.315 | 1.406 | 23.390 | 0.000 | 6.359 | 0.000 | 0.000 |
| 22 | 5.276 | 3.866 | 7.583 | 0.000 | 1.715 | 0.000 | 7.095 | 30.583 | 0.000 | 0.000 | 1.829 | 2.614 |
| 23 | 15.507 | 0.000 | 21.651 | 19.522 | 11.737 | 0.000 | 3.681 | 0.000 | 32.085 | 56.073 | 10.663 | 15.074 |
| 24 | 6.654 | 0.000 | 12.030 | 25.979 | 0.000 | 11.374 | 15.596 | 10.179 | 16.799 | 4.459 | 9.223 | 0.883 |
| 25 | 0.000 | 1.450 | 20.357 | 0.000 | 0.000 | 3.968 | 11.211 | 15.834 | 31.097 | 13.998 | 0.000 | 0.000 |
| 26 | 25.122 | 11.087 | 6.544 | 7.774 | 0.000 | 0.000 | 12.182 | 21.761 | 1.297 | 32.331 | 2.685 | 14.157 |
| 27 | 19.875 | 4.725 | 0.000 | 34.207 | 0.000 | 0.000 | 0.000 | 4.434 | 37.551 | 13.172 | 0.934 | 0.611 |
| 28 | 2.111 | 8.698 | 0.000 | 0.799 | 0.000 | 0.000 | 0.033 | 19.047 | 24.581 | 0.000 | 0.000 | 16.466 |
| 29 | 9.732 | - | 0.000 | 14.318 | 0.000 | 0.000 | 5.924 | 22.711 | 1.668 | 0.000 | 39.227 | 8.080 |
| 30 | 11.110 | - | 30.820 | 13.756 | 0.000 | 0.000 | 0.301 | 13.572 | 12.383 | 11.933 | 2.763 | 53.404 |
| 31 | 2.580 | - | 25.236 | - | 0.000 | - | 16.365 | 4.705 | - | 7.185 | - | 20.167 |
| Total | 366.45 | 276.96 | 301.91 | 381.18 | 251.86 | 155.19 | 151.84 | 486.34 | 306.71 | 317.61 | 190.65 | 355.43 |
| Hari Hujan | 26.00 | 24.00 | 24.00 | 27.00 | 17.00 | 17.00 | 23.00 | 25.00 | 22.00 | 24.00 | 18.00 | 26.00 |
| Max | 82.723 | 39.595 | 35.248 | 52.304 | 42.456 | 29.070 | 17.503 | 87.496 | 48.143 | 56.073 | 39.227 | 59.957 |
| Avg | 11.82 | 9.89 | 9.74 | 12.71 | 8.12 | 5.17 | 4.90 | 15.69 | 10.22 | 10.25 | 6.35 | 11.47 |
Berdasarkan data hujan TRMM di Grid TRMM-1201, yang terletak di Desa Limau Purut Tapan, Kecamatan Ranah Ampek Hulu Tapan, Pesisir Selatan, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 3,542.11 mm. Dengan jumlah hari hujan tahunan adalah 273 hari (74.79%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 87.50 mm yang terjadi pada tanggal 14 Agustus 1998.