| Tahun Data | : | 2004 |
| Nama Stasiun | : | TRMM-0552 |
| Lokasi Stasiun | : | Desa Simpang Tonang Utara (Persiapan), Kecamatan Duo Koto, Pasaman, Provinsi Sumatera Barat |
| Longitude | : | 99.875000 |
| Latitude | : | 0.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 8.232 | 20.719 | 0.000 | 7.801 | 4.715 | 0.000 | 0.590 | 29.129 | 21.520 | 18.877 | 13.578 | 29.512 |
| 2 | 0.000 | 3.942 | 4.834 | 26.336 | 20.710 | 0.000 | 0.000 | 0.000 | 0.142 | 8.746 | 10.767 | 0.000 |
| 3 | 25.634 | 1.510 | 0.000 | 7.175 | 28.887 | 0.000 | 0.000 | 0.000 | 1.021 | 33.163 | 29.891 | 1.086 |
| 4 | 1.767 | 8.025 | 18.993 | 13.552 | 22.202 | 0.000 | 17.071 | 0.000 | 0.000 | 0.000 | 10.265 | 2.302 |
| 5 | 1.015 | 14.652 | 1.468 | 15.260 | 19.725 | 0.000 | 5.652 | 0.000 | 10.434 | 0.000 | 27.055 | 14.122 |
| 6 | 6.390 | 0.000 | 6.518 | 36.044 | 0.000 | 0.809 | 6.038 | 0.000 | 0.000 | 0.000 | 6.751 | 21.339 |
| 7 | 1.992 | 0.000 | 3.755 | 18.648 | 1.313 | 2.167 | 2.997 | 0.000 | 11.596 | 0.000 | 11.695 | 27.805 |
| 8 | 6.766 | 13.925 | 6.561 | 32.770 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 15.943 | 12.649 | 26.460 |
| 9 | 0.000 | 1.845 | 0.000 | 4.783 | 0.000 | 0.000 | 3.678 | 0.000 | 0.652 | 2.417 | 11.771 | 24.313 |
| 10 | 5.901 | 0.000 | 0.000 | 1.822 | 0.000 | 0.000 | 4.676 | 0.000 | 1.956 | 5.595 | 2.183 | 16.657 |
| 11 | 19.884 | 4.502 | 28.964 | 11.388 | 0.000 | 0.000 | 3.428 | 2.581 | 9.697 | 11.706 | 7.103 | 21.106 |
| 12 | 6.014 | 6.040 | 0.000 | 0.000 | 0.000 | 0.000 | 5.743 | 25.626 | 14.715 | 17.437 | 35.387 | 1.164 |
| 13 | 3.157 | 0.000 | 0.000 | 24.741 | 0.000 | 0.000 | 0.386 | 1.152 | 6.408 | 10.783 | 11.796 | 0.000 |
| 14 | 1.503 | 0.000 | 33.496 | 18.819 | 0.000 | 0.000 | 6.515 | 4.148 | 2.438 | 5.839 | 27.708 | 1.914 |
| 15 | 42.661 | 0.000 | 15.453 | 15.517 | 0.000 | 0.000 | 3.155 | 10.416 | 29.572 | 1.032 | 3.965 | 1.759 |
| 16 | 13.644 | 0.000 | 0.000 | 7.858 | 0.000 | 0.000 | 9.194 | 0.000 | 0.000 | 6.410 | 4.367 | 0.724 |
| 17 | 7.630 | 4.502 | 0.000 | 20.186 | 0.000 | 0.000 | 0.000 | 0.000 | 35.753 | 15.617 | 7.203 | 5.690 |
| 18 | 0.000 | 0.783 | 0.000 | 4.498 | 0.000 | 0.000 | 0.000 | 0.000 | 21.973 | 4.481 | 0.000 | 19.839 |
| 19 | 69.912 | 4.642 | 11.050 | 15.517 | 0.000 | 0.000 | 0.000 | 6.038 | 0.000 | 7.686 | 0.000 | 9.208 |
| 20 | 27.664 | 0.000 | 0.259 | 0.000 | 0.000 | 0.000 | 1.067 | 0.000 | 18.429 | 16.514 | 0.000 | 0.000 |
| 21 | 3.383 | 1.426 | 0.000 | 3.644 | 0.000 | 0.000 | 0.000 | 15.486 | 0.000 | 6.654 | 23.290 | 0.000 |
| 22 | 0.000 | 6.068 | 0.000 | 8.684 | 19.248 | 0.000 | 0.000 | 0.000 | 12.957 | 42.588 | 0.000 | 8.122 |
| 23 | 1.616 | 6.095 | 0.000 | 22.407 | 16.114 | 0.000 | 7.673 | 8.481 | 3.657 | 32.267 | 3.388 | 16.993 |
| 24 | 0.000 | 13.253 | 0.043 | 9.538 | 0.000 | 0.000 | 0.341 | 0.000 | 4.650 | 2.064 | 13.427 | 3.880 |
| 25 | 0.000 | 46.695 | 8.849 | 25.140 | 3.223 | 22.346 | 0.000 | 0.000 | 14.998 | 0.000 | 3.112 | 24.158 |
| 26 | 0.000 | 27.402 | 13.381 | 0.000 | 0.030 | 24.564 | 1.067 | 4.240 | 3.601 | 12.358 | 5.346 | 6.958 |
| 27 | 19.169 | 4.306 | 10.532 | 1.452 | 53.357 | 0.000 | 2.997 | 0.000 | 4.735 | 16.025 | 37.822 | 25.891 |
| 28 | 14.358 | 1.566 | 6.863 | 17.737 | 0.000 | 9.084 | 7.945 | 0.000 | 9.328 | 8.474 | 0.728 | 8.277 |
| 29 | 10.186 | 13.365 | 18.259 | 12.243 | 1.403 | 2.480 | 0.000 | 5.346 | 18.514 | 35.091 | 30.468 | 4.863 |
| 30 | 26.273 | - | 21.539 | 3.473 | 0.000 | 7.884 | 17.207 | 8.942 | 4.480 | 6.247 | 11.294 | 3.156 |
| 31 | 3.232 | - | 16.618 | - | 0.000 | - | 0.795 | 0.000 | - | 1.983 | - | 4.479 |
| Total | 327.98 | 205.26 | 227.44 | 387.03 | 190.93 | 69.33 | 108.22 | 121.59 | 263.23 | 346.00 | 363.01 | 331.78 |
| Hari Hujan | 24.00 | 21.00 | 19.00 | 27.00 | 12.00 | 7.00 | 21.00 | 12.00 | 24.00 | 26.00 | 26.00 | 27.00 |
| Max | 69.912 | 46.695 | 33.496 | 36.044 | 53.357 | 24.564 | 17.207 | 29.129 | 35.753 | 42.588 | 37.822 | 29.512 |
| Avg | 10.58 | 7.08 | 7.34 | 12.90 | 6.16 | 2.31 | 3.49 | 3.92 | 8.77 | 11.16 | 12.10 | 10.70 |
Berdasarkan data hujan TRMM di Grid TRMM-0552, yang terletak di Desa Simpang Tonang Utara (Persiapan), Kecamatan Duo Koto, Pasaman, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 2004 adalah sebesar 2,941.78 mm. Dengan jumlah hari hujan tahunan adalah 246 hari (67.40%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 69.91 mm yang terjadi pada tanggal 19 Januari 2004.
