| Tahun Data | : | 2018 |
| 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 | 19.744 | 20.115 | 5.678 | 0.000 | 15.331 | 0.000 | 16.352 | 77.192 | 6.988 | 11.755 | 34.573 | 43.281 |
| 2 | 18.505 | 13.910 | 25.585 | 7.985 | 20.372 | 0.000 | 1.380 | 3.130 | 6.709 | 5.494 | 29.422 | 19.469 |
| 3 | 18.540 | 0.000 | 3.462 | 5.911 | 15.865 | 18.706 | 9.770 | 15.542 | 1.370 | 8.117 | 17.703 | 0.000 |
| 4 | 33.331 | 0.000 | 41.372 | 0.000 | 3.321 | 6.868 | 0.000 | 19.216 | 0.000 | 8.414 | 6.415 | 24.070 |
| 5 | 0.000 | 0.000 | 13.260 | 25.161 | 0.000 | 0.000 | 0.000 | 8.383 | 0.000 | 16.111 | 21.404 | 16.248 |
| 6 | 1.513 | 5.571 | 23.612 | 16.712 | 10.082 | 11.454 | 0.000 | 7.186 | 0.000 | 0.000 | 14.156 | 8.052 |
| 7 | 0.000 | 3.736 | 23.992 | 15.195 | 33.776 | 5.211 | 17.415 | 25.341 | 6.756 | 10.864 | 40.741 | 16.680 |
| 8 | 44.062 | 0.000 | 5.228 | 0.000 | 0.000 | 0.000 | 23.566 | 3.239 | 8.288 | 10.889 | 18.751 | 19.469 |
| 9 | 0.000 | 0.000 | 1.870 | 0.000 | 0.000 | 0.000 | 2.578 | 0.000 | 9.588 | 29.079 | 10.116 | 12.912 |
| 10 | 0.000 | 3.336 | 5.782 | 0.000 | 0.000 | 0.000 | 2.669 | 0.000 | 1.695 | 38.854 | 0.000 | 38.910 |
| 11 | 7.395 | 0.000 | 1.904 | 3.157 | 18.029 | 0.000 | 2.601 | 0.000 | 20.569 | 91.221 | 4.318 | 0.000 |
| 12 | 0.000 | 0.000 | 1.766 | 0.000 | 19.542 | 0.000 | 0.000 | 0.000 | 18.549 | 2.698 | 12.244 | 28.240 |
| 13 | 1.376 | 0.000 | 0.000 | 28.194 | 1.809 | 11.262 | 0.000 | 0.000 | 0.000 | 18.982 | 1.604 | 16.852 |
| 14 | 1.513 | 13.777 | 24.512 | 16.990 | 2.165 | 4.274 | 2.149 | 0.000 | 2.089 | 17.423 | 27.017 | 0.000 |
| 15 | 2.373 | 0.000 | 13.433 | 24.882 | 41.753 | 0.000 | 0.000 | 0.000 | 10.934 | 8.513 | 3.978 | 0.000 |
| 16 | 0.000 | 1.801 | 0.000 | 30.855 | 11.862 | 6.916 | 0.000 | 0.980 | 0.000 | 28.089 | 0.771 | 6.154 |
| 17 | 0.000 | 9.607 | 54.493 | 15.660 | 24.494 | 4.490 | 0.000 | 0.000 | 0.000 | 25.540 | 17.302 | 0.000 |
| 18 | 4.609 | 37.628 | 24.477 | 9.130 | 39.855 | 10.374 | 8.436 | 0.000 | 0.511 | 22.545 | 22.761 | 10.324 |
| 19 | 4.678 | 12.309 | 3.635 | 70.035 | 3.677 | 0.000 | 0.000 | 1.824 | 21.033 | 28.163 | 3.207 | 0.000 |
| 20 | 7.842 | 12.810 | 2.389 | 4.240 | 3.796 | 3.050 | 0.000 | 0.000 | 2.739 | 5.989 | 17.980 | 0.000 |
| 21 | 0.000 | 24.018 | 0.000 | 1.764 | 0.000 | 8.164 | 0.000 | 0.000 | 3.041 | 0.000 | 9.962 | 14.091 |
| 22 | 0.000 | 34.659 | 8.205 | 9.903 | 43.176 | 8.981 | 0.000 | 0.000 | 42.623 | 1.856 | 4.102 | 11.963 |
| 23 | 2.752 | 13.644 | 0.000 | 20.983 | 9.341 | 24.181 | 6.785 | 0.000 | 29.391 | 32.197 | 0.000 | 23.840 |
| 24 | 2.752 | 4.203 | 0.000 | 4.921 | 12.247 | 27.183 | 7.418 | 3.076 | 37.655 | 5.791 | 0.000 | 8.541 |
| 25 | 9.253 | 0.000 | 54.667 | 0.000 | 0.682 | 0.000 | 0.905 | 0.000 | 0.000 | 26.678 | 1.480 | 0.000 |
| 26 | 0.000 | 38.562 | 7.201 | 0.836 | 5.871 | 45.937 | 4.614 | 0.000 | 6.849 | 14.379 | 4.071 | 0.000 |
| 27 | 0.000 | 5.004 | 0.796 | 0.000 | 0.000 | 3.770 | 0.000 | 12.738 | 9.588 | 4.331 | 3.423 | 1.064 |
| 28 | 3.302 | 27.621 | 1.108 | 0.000 | 0.000 | 10.686 | 5.473 | 0.000 | 1.277 | 17.200 | 12.491 | 4.946 |
| 29 | 0.000 | - | 4.328 | 0.000 | 9.163 | 19.018 | 0.000 | 9.363 | 7.893 | 11.904 | 21.620 | 12.941 |
| 30 | 0.000 | - | 0.000 | 0.371 | 0.000 | 2.593 | 0.000 | 27.273 | 6.732 | 47.046 | 11.504 | 10.612 |
| 31 | 0.000 | - | 3.185 | - | 11.950 | - | 6.513 | 1.388 | - | 9.058 | - | 11.072 |
| Total | 183.54 | 282.31 | 355.94 | 312.89 | 358.16 | 233.12 | 118.62 | 215.87 | 262.87 | 559.18 | 373.12 | 359.73 |
| Hari Hujan | 17.00 | 18.00 | 25.00 | 20.00 | 23.00 | 19.00 | 16.00 | 15.00 | 23.00 | 29.00 | 27.00 | 22.00 |
| Max | 44.062 | 38.562 | 54.667 | 70.035 | 43.176 | 45.937 | 23.566 | 77.192 | 42.623 | 91.221 | 40.741 | 43.281 |
| Avg | 5.92 | 10.08 | 11.48 | 10.43 | 11.55 | 7.77 | 3.83 | 6.96 | 8.76 | 18.04 | 12.44 | 11.60 |
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 2018 adalah sebesar 3,615.34 mm. Dengan jumlah hari hujan tahunan adalah 254 hari (69.59%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 91.22 mm yang terjadi pada tanggal 11 Oktober 2018.
