| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-0977 |
| Lokasi Stasiun | : | Desa Ganting Mudiak Utara Surantih, Kecamatan Sutera, Pesisir Selatan, Provinsi Sumatera Barat |
| Longitude | : | 100.875000 |
| Latitude | : | -1.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 36.027 | 1.188 | 0.000 | 14.045 | 3.229 | 5.823 | 0.000 | 0.520 | 0.000 | 3.864 | 32.204 | 61.794 |
| 2 | 0.000 | 15.874 | 1.437 | 9.498 | 13.691 | 0.000 | 2.225 | 47.418 | 32.656 | 6.964 | 43.078 | 39.833 |
| 3 | 13.972 | 0.000 | 2.685 | 9.256 | 0.854 | 0.000 | 1.302 | 13.702 | 15.273 | 6.964 | 5.644 | 16.461 |
| 4 | 21.287 | 36.894 | 7.253 | 12.700 | 1.975 | 73.477 | 1.845 | 16.895 | 0.000 | 12.715 | 36.013 | 63.243 |
| 5 | 5.121 | 5.107 | 0.000 | 0.000 | 15.345 | 6.789 | 0.000 | 35.016 | 0.000 | 1.842 | 2.285 | 1.561 |
| 6 | 0.000 | 7.719 | 0.801 | 35.840 | 6.565 | 11.676 | 3.364 | 7.241 | 20.431 | 0.000 | 0.000 | 4.793 |
| 7 | 0.000 | 0.000 | 5.652 | 0.000 | 5.711 | 10.388 | 0.868 | 2.339 | 21.000 | 0.000 | 0.000 | 78.217 |
| 8 | 0.000 | 0.000 | 3.250 | 0.000 | 19.268 | 0.000 | 0.000 | 6.015 | 43.407 | 11.906 | 0.000 | 0.000 |
| 9 | 6.730 | 0.000 | 26.116 | 4.063 | 4.430 | 11.851 | 12.481 | 8.578 | 0.000 | 0.000 | 0.000 | 0.000 |
| 10 | 19.056 | 0.000 | 30.261 | 8.637 | 5.337 | 1.434 | 37.116 | 0.000 | 0.000 | 9.794 | 33.243 | 13.786 |
| 11 | 9.254 | 0.000 | 4.545 | 4.467 | 1.468 | 0.000 | 25.829 | 0.000 | 2.211 | 10.693 | 25.763 | 10.181 |
| 12 | 4.791 | 0.000 | 13.117 | 0.000 | 1.655 | 0.000 | 14.326 | 43.074 | 0.000 | 37.425 | 0.831 | 0.000 |
| 13 | 11.960 | 2.098 | 0.000 | 20.503 | 6.432 | 0.936 | 7.950 | 0.000 | 3.316 | 6.110 | 8.380 | 8.138 |
| 14 | 0.000 | 17.972 | 3.556 | 3.444 | 21.537 | 7.462 | 0.000 | 7.501 | 6.967 | 18.466 | 0.000 | 19.136 |
| 15 | 11.558 | 22.801 | 6.052 | 2.987 | 1.468 | 3.950 | 0.000 | 57.890 | 4.622 | 0.494 | 11.289 | 0.000 |
| 16 | 9.766 | 14.013 | 0.565 | 5.946 | 3.843 | 3.833 | 9.062 | 10.583 | 2.679 | 0.000 | 5.402 | 0.000 |
| 17 | 19.202 | 19.159 | 9.349 | 4.305 | 0.000 | 3.687 | 1.628 | 20.906 | 14.235 | 3.325 | 5.263 | 0.000 |
| 18 | 28.273 | 0.277 | 11.586 | 11.328 | 5.764 | 9.978 | 18.775 | 57.296 | 9.345 | 20.442 | 0.000 | 0.037 |
| 19 | 8.156 | 0.000 | 0.000 | 2.556 | 0.000 | 4.097 | 10.988 | 2.154 | 1.239 | 0.000 | 0.000 | 6.243 |
| 20 | 0.000 | 0.871 | 9.844 | 7.991 | 0.000 | 38.655 | 0.000 | 12.402 | 3.115 | 6.649 | 0.000 | 1.635 |
| 21 | 0.000 | 17.814 | 8.454 | 0.000 | 6.485 | 13.373 | 12.074 | 23.394 | 13.196 | 8.132 | 0.173 | 0.000 |
| 22 | 0.000 | 0.000 | 1.531 | 0.000 | 4.750 | 1.405 | 2.903 | 52.134 | 1.407 | 0.000 | 4.259 | 1.561 |
| 23 | 9.107 | 13.301 | 1.389 | 47.248 | 8.940 | 1.463 | 0.488 | 3.193 | 28.469 | 25.609 | 3.324 | 12.299 |
| 24 | 0.000 | 0.000 | 8.501 | 0.135 | 0.000 | 0.000 | 8.357 | 56.107 | 34.130 | 1.438 | 0.416 | 2.007 |
| 25 | 0.000 | 0.000 | 1.177 | 0.000 | 0.000 | 1.170 | 4.151 | 13.850 | 14.268 | 39.582 | 6.441 | 15.829 |
| 26 | 0.000 | 2.929 | 0.000 | 0.000 | 0.000 | 0.000 | 13.050 | 41.403 | 0.502 | 9.120 | 0.416 | 0.186 |
| 27 | 0.000 | 12.192 | 9.561 | 16.924 | 0.000 | 0.000 | 0.000 | 0.000 | 54.058 | 2.067 | 4.294 | 0.000 |
| 28 | 15.691 | 0.000 | 0.000 | 0.000 | 11.716 | 0.000 | 2.930 | 36.873 | 1.340 | 13.973 | 0.000 | 1.561 |
| 29 | 11.558 | - | 2.685 | 3.202 | 2.936 | 0.000 | 8.926 | 0.000 | 0.000 | 4.313 | 56.375 | 8.621 |
| 30 | 0.000 | - | 5.416 | 6.189 | 0.000 | 0.000 | 0.000 | 50.983 | 4.220 | 21.745 | 0.000 | 34.743 |
| 31 | 0.000 | - | 14.836 | - | 0.000 | - | 15.926 | 31.682 | - | 37.156 | - | 5.650 |
| Total | 241.51 | 190.21 | 189.62 | 231.26 | 153.40 | 211.45 | 216.56 | 659.15 | 332.09 | 320.79 | 285.09 | 407.52 |
| Hari Hujan | 17.00 | 16.00 | 25.00 | 21.00 | 22.00 | 19.00 | 23.00 | 26.00 | 23.00 | 25.00 | 20.00 | 23.00 |
| Max | 36.027 | 36.894 | 30.261 | 47.248 | 21.537 | 73.477 | 37.116 | 57.890 | 54.058 | 39.582 | 56.375 | 78.217 |
| Avg | 7.79 | 6.79 | 6.12 | 7.71 | 4.95 | 7.05 | 6.99 | 21.26 | 11.07 | 10.35 | 9.50 | 13.15 |
Berdasarkan data hujan TRMM di Grid TRMM-0977, yang terletak di Desa Ganting Mudiak Utara Surantih, Kecamatan Sutera, Pesisir Selatan, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 3,438.64 mm. Dengan jumlah hari hujan tahunan adalah 260 hari (71.23%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 78.22 mm yang terjadi pada tanggal 7 Desember 1998.
