| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-1273 |
| Lokasi Stasiun | : | Desa Sungai Sirah, Kecamatan Silaut, Pesisir Selatan, Provinsi Sumatera Barat |
| Longitude | : | 101.125000 |
| Latitude | : | -2.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 6.388 | 41.088 | 3.444 | 1.447 | 8.706 | 8.404 | 0.000 | 4.762 | 3.192 | 11.016 | 9.714 | 12.976 |
| 2 | 16.124 | 10.548 | 6.225 | 12.830 | 9.330 | 34.512 | 5.449 | 1.172 | 44.307 | 20.353 | 10.508 | 40.037 |
| 3 | 36.807 | 4.340 | 18.108 | 6.908 | 1.971 | 15.524 | 0.088 | 6.161 | 2.255 | 0.000 | 5.091 | 2.215 |
| 4 | 14.042 | 16.414 | 4.541 | 16.493 | 3.792 | 36.062 | 0.000 | 13.682 | 4.773 | 26.045 | 5.978 | 25.053 |
| 5 | 0.000 | 33.433 | 9.310 | 3.334 | 5.438 | 0.000 | 0.000 | 8.920 | 0.000 | 17.486 | 2.429 | 0.000 |
| 6 | 3.771 | 8.365 | 57.618 | 15.418 | 9.030 | 0.000 | 1.113 | 8.013 | 39.036 | 18.346 | 0.000 | 4.291 |
| 7 | 0.000 | 0.658 | 11.751 | 26.757 | 0.000 | 5.788 | 0.996 | 9.260 | 13.031 | 0.000 | 3.082 | 15.018 |
| 8 | 7.710 | 2.604 | 0.549 | 16.317 | 43.206 | 0.000 | 0.000 | 52.651 | 3.514 | 7.904 | 0.000 | 0.000 |
| 9 | 18.207 | 2.762 | 4.560 | 44.083 | 44.902 | 9.276 | 11.131 | 12.926 | 0.000 | 2.908 | 0.000 | 9.724 |
| 10 | 11.537 | 14.389 | 7.020 | 5.395 | 34.724 | 0.000 | 6.972 | 0.000 | 1.669 | 0.532 | 37.502 | 11.592 |
| 11 | 10.665 | 20.886 | 0.000 | 27.371 | 17.262 | 0.000 | 0.264 | 0.000 | 12.563 | 2.908 | 2.382 | 21.039 |
| 12 | 7.345 | 0.000 | 6.982 | 2.237 | 2.544 | 0.000 | 31.783 | 21.242 | 0.000 | 13.760 | 0.000 | 0.000 |
| 13 | 64.469 | 7.471 | 4.106 | 6.689 | 9.654 | 2.155 | 1.728 | 48.644 | 0.732 | 16.422 | 2.102 | 6.955 |
| 14 | 72.629 | 4.130 | 8.458 | 8.246 | 30.883 | 2.180 | 0.000 | 46.263 | 0.000 | 14.947 | 0.000 | 30.105 |
| 15 | 27.521 | 6.497 | 0.870 | 8.795 | 0.000 | 0.000 | 0.498 | 0.718 | 0.000 | 5.897 | 7.706 | 0.000 |
| 16 | 20.570 | 16.914 | 0.000 | 4.386 | 8.531 | 8.210 | 7.587 | 7.257 | 0.000 | 0.000 | 0.000 | 0.000 |
| 17 | 0.000 | 27.331 | 15.819 | 8.509 | 0.000 | 1.816 | 15.613 | 5.632 | 1.201 | 0.778 | 0.000 | 3.979 |
| 18 | 1.520 | 11.232 | 15.327 | 8.795 | 0.000 | 10.559 | 1.435 | 11.906 | 17.658 | 0.000 | 0.000 | 22.250 |
| 19 | 9.117 | 3.446 | 0.000 | 3.926 | 0.000 | 1.380 | 24.577 | 0.000 | 19.972 | 0.000 | 0.000 | 1.038 |
| 20 | 0.647 | 5.813 | 2.763 | 3.970 | 0.000 | 14.313 | 9.550 | 1.776 | 3.924 | 0.287 | 0.000 | 5.779 |
| 21 | 0.000 | 3.288 | 12.186 | 0.000 | 5.488 | 10.632 | 9.520 | 33.715 | 3.192 | 5.365 | 0.000 | 0.000 |
| 22 | 2.730 | 0.158 | 3.803 | 0.000 | 1.172 | 0.702 | 0.176 | 51.781 | 7.643 | 0.000 | 0.000 | 0.000 |
| 23 | 4.615 | 0.000 | 18.525 | 29.893 | 0.000 | 0.000 | 2.431 | 19.843 | 22.197 | 51.436 | 4.857 | 18.582 |
| 24 | 8.217 | 0.000 | 12.432 | 11.054 | 0.000 | 9.784 | 2.607 | 17.764 | 23.954 | 12.122 | 10.321 | 1.523 |
| 25 | 0.000 | 1.157 | 56.293 | 0.000 | 0.000 | 1.865 | 17.429 | 26.495 | 34.233 | 10.566 | 0.000 | 0.000 |
| 26 | 20.120 | 1.973 | 26.037 | 7.852 | 0.000 | 0.000 | 16.199 | 22.489 | 0.000 | 32.352 | 6.912 | 6.782 |
| 27 | 24.594 | 6.997 | 0.776 | 0.461 | 0.000 | 0.000 | 0.000 | 15.497 | 37.659 | 10.729 | 2.802 | 0.000 |
| 28 | 0.000 | 34.091 | 0.000 | 2.018 | 0.000 | 0.000 | 0.000 | 38.930 | 14.291 | 0.655 | 0.000 | 21.697 |
| 29 | 10.581 | - | 0.000 | 15.089 | 0.000 | 0.000 | 6.679 | 45.016 | 13.559 | 0.000 | 16.112 | 6.160 |
| 30 | 14.717 | - | 36.198 | 29.827 | 0.000 | 0.000 | 0.791 | 20.032 | 13.588 | 39.191 | 20.316 | 29.413 |
| 31 | 0.000 | - | 26.813 | - | 0.000 | - | 10.604 | 3.931 | - | 3.317 | - | 21.074 |
| Total | 414.64 | 285.99 | 370.51 | 328.10 | 236.63 | 173.16 | 185.22 | 556.48 | 338.14 | 325.32 | 147.81 | 317.28 |
| Hari Hujan | 24.00 | 25.00 | 26.00 | 27.00 | 16.00 | 17.00 | 24.00 | 28.00 | 23.00 | 24.00 | 16.00 | 22.00 |
| Max | 72.629 | 41.088 | 57.618 | 44.083 | 44.902 | 36.062 | 31.783 | 52.651 | 44.307 | 51.436 | 37.502 | 40.037 |
| Avg | 13.38 | 10.21 | 11.95 | 10.94 | 7.63 | 5.77 | 5.97 | 17.95 | 11.27 | 10.49 | 4.93 | 10.23 |
Berdasarkan data hujan TRMM di Grid TRMM-1273, yang terletak di Desa Sungai Sirah, Kecamatan Silaut, Pesisir Selatan, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 3,679.30 mm. Dengan jumlah hari hujan tahunan adalah 272 hari (74.52%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 72.63 mm yang terjadi pada tanggal 14 Januari 1998.
