| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-0838 |
| Lokasi Stasiun | : | Desa Timpeh, Kecamatan Timpeh, Dharmasraya, Provinsi Sumatera Barat |
| Longitude | : | 101.625000 |
| Latitude | : | -0.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10.860 | 2.331 | 0.000 | 30.967 | 0.000 | 0.000 | 0.000 | 1.049 | 0.000 | 0.000 | 0.988 | 4.825 |
| 2 | 0.000 | 8.494 | 0.000 | 19.070 | 0.000 | 0.000 | 0.000 | 12.041 | 0.000 | 1.996 | 58.711 | 19.610 |
| 3 | 5.308 | 15.013 | 0.000 | 3.093 | 7.100 | 0.000 | 2.536 | 0.965 | 2.714 | 0.333 | 0.000 | 7.187 |
| 4 | 39.291 | 12.682 | 14.956 | 15.535 | 0.000 | 4.849 | 5.999 | 25.927 | 7.873 | 6.521 | 17.709 | 22.964 |
| 5 | 3.051 | 16.356 | 0.000 | 0.000 | 9.382 | 0.727 | 0.000 | 0.000 | 0.000 | 11.245 | 11.783 | 1.164 |
| 6 | 0.000 | 4.425 | 4.103 | 32.599 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.678 |
| 7 | 0.000 | 0.000 | 35.628 | 0.000 | 0.000 | 46.595 | 4.175 | 1.468 | 1.374 | 0.000 | 0.000 | 38.570 |
| 8 | 0.000 | 0.000 | 3.629 | 1.156 | 3.586 | 0.000 | 0.000 | 6.796 | 26.903 | 11.179 | 0.000 | 2.019 |
| 9 | 19.493 | 0.000 | 13.606 | 0.000 | 4.057 | 30.667 | 4.329 | 3.902 | 1.407 | 0.000 | 0.000 | 10.746 |
| 10 | 0.000 | 0.000 | 5.786 | 1.122 | 0.688 | 0.000 | 10.793 | 0.000 | 0.000 | 0.000 | 24.996 | 16.256 |
| 11 | 17.846 | 0.000 | 0.000 | 0.000 | 22.277 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 15.597 | 6.708 |
| 12 | 4.942 | 0.000 | 29.789 | 0.000 | 1.775 | 0.000 | 0.000 | 5.328 | 0.000 | 58.256 | 0.170 | 0.000 |
| 13 | 5.613 | 27.813 | 0.000 | 31.069 | 19.234 | 0.000 | 24.307 | 0.000 | 3.183 | 0.932 | 3.269 | 0.342 |
| 14 | 0.000 | 3.674 | 0.912 | 3.467 | 13.366 | 8.315 | 1.175 | 8.810 | 0.000 | 20.960 | 0.000 | 16.051 |
| 15 | 0.000 | 3.477 | 3.366 | 32.123 | 0.000 | 1.988 | 0.000 | 25.927 | 1.039 | 0.000 | 4.121 | 0.000 |
| 16 | 49.723 | 0.474 | 5.681 | 4.181 | 0.000 | 0.000 | 0.000 | 5.748 | 3.149 | 0.732 | 0.000 | 0.000 |
| 17 | 0.000 | 43.339 | 6.031 | 0.986 | 0.000 | 4.436 | 6.742 | 32.724 | 14.842 | 8.550 | 0.000 | 3.354 |
| 18 | 12.690 | 7.309 | 3.121 | 0.000 | 10.215 | 0.000 | 0.000 | 22.068 | 25.529 | 2.695 | 0.000 | 0.000 |
| 19 | 14.276 | 26.351 | 5.365 | 0.000 | 0.000 | 5.527 | 64.788 | 1.552 | 5.494 | 0.000 | 0.000 | 9.411 |
| 20 | 10.616 | 13.432 | 0.000 | 0.000 | 0.000 | 16.291 | 0.000 | 15.942 | 3.518 | 1.098 | 0.000 | 0.000 |
| 21 | 0.000 | 22.045 | 62.839 | 0.000 | 0.000 | 22.061 | 1.330 | 3.944 | 2.312 | 9.316 | 1.839 | 0.000 |
| 22 | 0.000 | 7.111 | 3.945 | 0.000 | 0.000 | 0.000 | 7.453 | 9.523 | 0.000 | 0.000 | 0.000 | 0.000 |
| 23 | 0.000 | 7.388 | 2.016 | 22.707 | 0.000 | 37.795 | 0.000 | 4.992 | 29.382 | 44.016 | 0.000 | 0.000 |
| 24 | 0.885 | 0.000 | 29.421 | 0.000 | 0.000 | 0.461 | 24.493 | 15.145 | 13.770 | 9.182 | 0.000 | 49.761 |
| 25 | 0.000 | 0.000 | 0.000 | 1.156 | 0.000 | 0.000 | 0.526 | 36.584 | 30.890 | 4.225 | 0.000 | 62.458 |
| 26 | 5.704 | 4.188 | 3.121 | 0.986 | 0.000 | 0.000 | 1.268 | 14.180 | 0.000 | 7.619 | 0.000 | 0.000 |
| 27 | 20.133 | 0.000 | 2.525 | 11.558 | 0.000 | 0.000 | 0.000 | 10.740 | 14.105 | 2.296 | 0.000 | 0.342 |
| 28 | 0.000 | 0.000 | 4.664 | 2.957 | 43.974 | 0.194 | 0.000 | 27.857 | 0.000 | 21.858 | 0.000 | 4.997 |
| 29 | 28.461 | - | 48.006 | 9.178 | 13.801 | 0.000 | 0.000 | 0.000 | 3.786 | 25.285 | 1.975 | 4.278 |
| 30 | 21.140 | - | 0.824 | 0.000 | 0.000 | 0.000 | 0.000 | 24.627 | 10.386 | 21.925 | 1.192 | 6.263 |
| 31 | 0.061 | - | 0.000 | - | 0.000 | - | 9.494 | 16.110 | - | 45.646 | - | 10.951 |
| Total | 270.09 | 225.90 | 289.33 | 223.91 | 149.46 | 179.91 | 169.41 | 333.95 | 201.66 | 315.87 | 142.35 | 308.94 |
| Hari Hujan | 18.00 | 18.00 | 22.00 | 18.00 | 12.00 | 13.00 | 15.00 | 25.00 | 19.00 | 22.00 | 12.00 | 22.00 |
| Max | 49.723 | 43.339 | 62.839 | 32.599 | 43.974 | 46.595 | 64.788 | 36.584 | 30.890 | 58.256 | 58.711 | 62.458 |
| Avg | 8.71 | 8.07 | 9.33 | 7.46 | 4.82 | 6.00 | 5.46 | 10.77 | 6.72 | 10.19 | 4.75 | 9.97 |
Berdasarkan data hujan TRMM di Grid TRMM-0838, yang terletak di Desa Timpeh, Kecamatan Timpeh, Dharmasraya, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,810.76 mm. Dengan jumlah hari hujan tahunan adalah 216 hari (59.18%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 64.79 mm yang terjadi pada tanggal 19 Juli 1998.
