| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-0554 |
| Lokasi Stasiun | : | Desa Galugua, Kecamatan Kapur Ix, Lima Puluh Kota, Provinsi Sumatera Barat |
| Longitude | : | 100.375000 |
| Latitude | : | 0.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.000 | 11.242 | 0.000 | 17.462 | 6.470 | 3.076 | 0.000 | 9.269 | 7.572 | 0.670 | 11.479 | 1.128 |
| 2 | 2.629 | 5.505 | 0.000 | 7.700 | 0.000 | 0.000 | 0.000 | 7.040 | 1.250 | 10.452 | 22.926 | 29.165 |
| 3 | 3.438 | 0.000 | 0.000 | 4.230 | 0.000 | 32.110 | 4.572 | 3.875 | 17.250 | 0.000 | 0.000 | 4.316 |
| 4 | 0.000 | 0.000 | 23.297 | 24.403 | 0.000 | 24.947 | 0.762 | 11.949 | 0.000 | 6.360 | 23.471 | 28.231 |
| 5 | 0.000 | 9.582 | 0.000 | 0.000 | 21.527 | 0.000 | 43.307 | 8.364 | 4.330 | 2.418 | 5.804 | 13.805 |
| 6 | 0.000 | 8.009 | 0.000 | 9.192 | 8.472 | 0.000 | 0.000 | 20.701 | 26.489 | 0.000 | 27.479 | 16.877 |
| 7 | 0.000 | 0.000 | 0.000 | 0.000 | 6.893 | 5.569 | 0.000 | 14.436 | 1.250 | 7.588 | 0.321 | 29.359 |
| 8 | 0.000 | 0.000 | 3.700 | 0.000 | 35.930 | 0.000 | 4.010 | 30.971 | 13.916 | 20.569 | 0.994 | 8.244 |
| 9 | 9.187 | 0.000 | 13.295 | 0.000 | 1.194 | 13.315 | 37.646 | 4.650 | 0.000 | 18.002 | 0.000 | 0.000 |
| 10 | 8.175 | 0.000 | 11.403 | 0.000 | 5.661 | 0.000 | 39.098 | 0.000 | 0.000 | 15.920 | 8.850 | 47.402 |
| 11 | 28.860 | 0.000 | 0.000 | 8.649 | 36.353 | 0.000 | 7.366 | 1.227 | 4.214 | 6.174 | 6.092 | 2.528 |
| 12 | 5.055 | 0.000 | 2.247 | 2.820 | 4.775 | 0.000 | 0.000 | 17.988 | 15.421 | 5.765 | 0.000 | 27.959 |
| 13 | 13.231 | 2.184 | 3.717 | 3.254 | 24.531 | 0.000 | 0.000 | 20.217 | 1.783 | 22.354 | 0.000 | 1.439 |
| 14 | 0.000 | 0.000 | 1.301 | 5.802 | 10.090 | 0.876 | 28.756 | 1.356 | 26.419 | 10.005 | 0.673 | 3.422 |
| 15 | 5.980 | 8.738 | 20.154 | 0.000 | 0.193 | 0.112 | 11.357 | 25.578 | 46.679 | 0.000 | 4.040 | 3.228 |
| 16 | 97.152 | 14.912 | 31.017 | 0.244 | 0.000 | 0.000 | 1.506 | 3.197 | 1.042 | 0.930 | 1.186 | 0.000 |
| 17 | 14.155 | 4.223 | 4.359 | 0.000 | 0.000 | 15.718 | 16.601 | 17.116 | 0.000 | 7.699 | 6.124 | 3.228 |
| 18 | 14.762 | 0.204 | 0.000 | 0.000 | 0.000 | 11.294 | 6.296 | 58.195 | 1.111 | 0.781 | 0.962 | 0.000 |
| 19 | 13.058 | 0.000 | 0.000 | 0.000 | 3.273 | 3.974 | 31.224 | 0.937 | 0.000 | 0.000 | 0.000 | 0.000 |
| 20 | 2.224 | 6.728 | 15.171 | 0.380 | 0.000 | 1.684 | 0.308 | 17.116 | 0.996 | 0.595 | 0.000 | 0.000 |
| 21 | 0.000 | 0.000 | 10.491 | 0.000 | 0.000 | 1.886 | 28.611 | 8.655 | 30.518 | 0.000 | 0.353 | 0.467 |
| 22 | 0.000 | 91.832 | 21.523 | 0.000 | 3.466 | 0.000 | 0.000 | 22.800 | 0.000 | 0.000 | 0.000 | 31.731 |
| 23 | 0.000 | 27.319 | 3.429 | 15.781 | 3.042 | 5.546 | 0.744 | 6.911 | 19.450 | 51.255 | 0.000 | 0.000 |
| 24 | 5.489 | 0.000 | 0.000 | 0.868 | 5.083 | 26.855 | 12.156 | 13.338 | 17.991 | 23.098 | 0.000 | 16.332 |
| 25 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.975 | 48.895 | 0.834 | 17.965 | 2.982 | 55.879 |
| 26 | 0.000 | 0.000 | 3.750 | 0.000 | 0.000 | 2.829 | 1.996 | 6.362 | 0.000 | 39.278 | 0.000 | 0.000 |
| 27 | 0.000 | 0.000 | 14.208 | 0.244 | 0.000 | 0.000 | 17.036 | 8.235 | 3.381 | 0.000 | 0.000 | 2.955 |
| 28 | 14.329 | 0.000 | 9.055 | 20.471 | 4.891 | 0.000 | 1.597 | 19.958 | 0.000 | 14.915 | 0.032 | 0.000 |
| 29 | 33.424 | - | 0.000 | 18.926 | 2.773 | 0.000 | 0.091 | 1.001 | 4.677 | 7.588 | 42.871 | 10.771 |
| 30 | 5.084 | - | 21.928 | 7.782 | 0.501 | 1.594 | 10.614 | 7.169 | 0.834 | 20.643 | 21.676 | 7.349 |
| 31 | 8.609 | - | 0.000 | - | 0.000 | - | 0.000 | 36.558 | - | 1.041 | - | 32.431 |
| Total | 284.84 | 190.48 | 214.05 | 148.21 | 185.12 | 151.39 | 308.63 | 454.06 | 247.41 | 312.07 | 188.32 | 378.25 |
| Hari Hujan | 18.00 | 12.00 | 18.00 | 17.00 | 19.00 | 16.00 | 23.00 | 30.00 | 22.00 | 24.00 | 19.00 | 23.00 |
| Max | 97.152 | 91.832 | 31.017 | 24.403 | 36.353 | 32.110 | 43.307 | 58.195 | 46.679 | 51.255 | 42.871 | 55.879 |
| Avg | 9.19 | 6.80 | 6.90 | 4.94 | 5.97 | 5.05 | 9.96 | 14.65 | 8.25 | 10.07 | 6.28 | 12.20 |
Berdasarkan data hujan TRMM di Grid TRMM-0554, yang terletak di Desa Galugua, Kecamatan Kapur Ix, Lima Puluh Kota, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 3,062.80 mm. Dengan jumlah hari hujan tahunan adalah 241 hari (66.03%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 97.15 mm yang terjadi pada tanggal 16 Januari 1998.