| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-0910 |
| Lokasi Stasiun | : | Desa Simalidu, Kecamatan Koto Salak, Dharmasraya, Provinsi Sumatera Barat |
| Longitude | : | 101.875000 |
| Latitude | : | -1.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.179 | 0.150 | 0.000 | 29.654 | 0.143 | 0.000 | 1.555 | 6.856 | 1.355 | 0.000 | 0.000 | 6.999 |
| 2 | 0.000 | 3.141 | 0.000 | 21.433 | 0.000 | 0.000 | 0.000 | 2.200 | 11.061 | 6.188 | 47.708 | 17.653 |
| 3 | 2.729 | 35.967 | 0.000 | 6.992 | 3.679 | 0.000 | 7.624 | 28.446 | 5.011 | 0.318 | 16.242 | 4.899 |
| 4 | 43.499 | 21.124 | 9.101 | 23.295 | 0.000 | 5.321 | 0.448 | 7.009 | 0.473 | 7.425 | 16.654 | 28.929 |
| 5 | 6.975 | 16.750 | 0.000 | 1.335 | 9.155 | 3.749 | 0.000 | 0.000 | 0.000 | 2.086 | 7.750 | 0.000 |
| 6 | 0.000 | 4.075 | 1.550 | 42.162 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.227 |
| 7 | 0.000 | 0.000 | 26.547 | 0.000 | 1.968 | 14.360 | 4.425 | 0.000 | 3.340 | 0.000 | 0.000 | 16.603 |
| 8 | 0.000 | 0.000 | 1.609 | 0.000 | 9.212 | 0.000 | 0.000 | 20.362 | 40.054 | 2.970 | 0.000 | 0.000 |
| 9 | 28.135 | 0.000 | 16.294 | 3.795 | 19.906 | 30.262 | 8.222 | 13.302 | 0.662 | 1.167 | 0.000 | 10.460 |
| 10 | 0.000 | 0.000 | 3.557 | 7.765 | 0.000 | 0.000 | 24.039 | 0.000 | 0.000 | 0.000 | 30.038 | 17.692 |
| 11 | 6.537 | 0.000 | 0.000 | 1.968 | 17.853 | 0.000 | 3.498 | 0.000 | 0.000 | 3.996 | 26.025 | 20.764 |
| 12 | 13.141 | 0.000 | 30.302 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 35.571 | 0.467 | 0.000 |
| 13 | 4.313 | 51.296 | 0.000 | 3.549 | 10.866 | 0.635 | 18.239 | 0.256 | 0.000 | 0.000 | 4.397 | 0.000 |
| 14 | 0.000 | 16.712 | 1.053 | 4.638 | 15.400 | 9.644 | 3.020 | 3.121 | 0.000 | 5.587 | 0.000 | 17.536 |
| 15 | 0.000 | 0.000 | 7.014 | 16.865 | 2.310 | 0.000 | 0.000 | 13.609 | 9.139 | 1.167 | 8.767 | 0.000 |
| 16 | 22.777 | 0.000 | 4.769 | 1.265 | 0.000 | 2.539 | 0.000 | 9.925 | 11.093 | 0.000 | 0.000 | 0.000 |
| 17 | 0.000 | 24.003 | 1.828 | 3.724 | 0.000 | 0.000 | 2.392 | 7.572 | 9.202 | 16.300 | 0.275 | 0.000 |
| 18 | 6.368 | 0.037 | 11.962 | 0.000 | 0.000 | 1.360 | 0.000 | 30.390 | 7.374 | 9.335 | 0.000 | 0.000 |
| 19 | 58.729 | 24.938 | 5.087 | 0.000 | 0.000 | 3.718 | 13.126 | 5.525 | 4.506 | 0.000 | 0.000 | 11.820 |
| 20 | 15.803 | 5.646 | 0.000 | 0.000 | 0.000 | 38.817 | 0.807 | 34.995 | 6.208 | 1.697 | 0.000 | 0.000 |
| 21 | 0.000 | 13.347 | 89.217 | 0.000 | 0.000 | 26.120 | 7.445 | 2.507 | 0.000 | 16.760 | 0.000 | 0.000 |
| 22 | 0.000 | 6.692 | 5.643 | 0.422 | 0.000 | 0.000 | 13.365 | 9.772 | 0.000 | 0.000 | 0.000 | 1.205 |
| 23 | 0.000 | 12.824 | 4.987 | 9.311 | 0.000 | 9.281 | 0.000 | 0.000 | 28.078 | 80.088 | 0.000 | 0.000 |
| 24 | 0.404 | 0.000 | 0.000 | 0.000 | 0.000 | 1.542 | 10.764 | 1.484 | 10.525 | 6.188 | 0.467 | 41.022 |
| 25 | 7.986 | 0.000 | 0.000 | 1.054 | 0.000 | 0.272 | 16.833 | 24.353 | 26.786 | 4.526 | 0.000 | 9.760 |
| 26 | 3.909 | 2.430 | 1.093 | 0.000 | 0.000 | 0.000 | 5.531 | 9.158 | 0.473 | 7.531 | 0.000 | 2.255 |
| 27 | 14.556 | 0.000 | 1.351 | 5.692 | 0.000 | 0.000 | 0.000 | 1.842 | 16.450 | 3.112 | 0.000 | 0.000 |
| 28 | 6.065 | 0.000 | 17.963 | 0.000 | 35.535 | 0.151 | 0.000 | 1.637 | 2.931 | 34.121 | 0.000 | 5.599 |
| 29 | 19.812 | - | 30.640 | 12.508 | 0.000 | 0.000 | 0.000 | 0.000 | 0.473 | 33.485 | 11.982 | 1.011 |
| 30 | 7.278 | - | 2.524 | 4.989 | 0.000 | 0.000 | 0.000 | 24.865 | 8.603 | 4.066 | 0.275 | 5.171 |
| 31 | 0.000 | - | 2.206 | - | 0.599 | - | 15.577 | 14.632 | - | 4.597 | - | 31.962 |
| Total | 270.20 | 239.13 | 276.30 | 202.42 | 126.63 | 147.77 | 156.91 | 273.82 | 203.80 | 288.28 | 171.05 | 254.57 |
| Hari Hujan | 19.00 | 16.00 | 22.00 | 20.00 | 12.00 | 15.00 | 18.00 | 23.00 | 21.00 | 23.00 | 13.00 | 19.00 |
| Max | 58.729 | 51.296 | 89.217 | 42.162 | 35.535 | 38.817 | 24.039 | 34.995 | 40.054 | 80.088 | 47.708 | 41.022 |
| Avg | 8.72 | 8.54 | 8.91 | 6.75 | 4.08 | 4.93 | 5.06 | 8.83 | 6.79 | 9.30 | 5.70 | 8.21 |
Berdasarkan data hujan TRMM di Grid TRMM-0910, yang terletak di Desa Simalidu, Kecamatan Koto Salak, Dharmasraya, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,610.86 mm. Dengan jumlah hari hujan tahunan adalah 221 hari (60.55%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 89.22 mm yang terjadi pada tanggal 21 Maret 1998.
