| Tahun Data | : | 2015 |
| Nama Stasiun | : | TRMM-0405 |
| Lokasi Stasiun | : | Desa Koto Nopan, Kecamatan Rao Utara, Pasaman, Provinsi Sumatera Barat |
| Longitude | : | 99.875000 |
| Latitude | : | 0.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 39.320 | 5.600 | 0.000 | 24.349 | 16.251 | 21.779 | 0.000 | 0.000 | 0.000 | 9.901 | 0.000 | 12.201 |
| 2 | 46.880 | 0.000 | 7.470 | 4.122 | 2.936 | 39.622 | 0.000 | 10.396 | 0.000 | 1.228 | 0.909 | 0.000 |
| 3 | 3.621 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7.501 | 0.000 | 0.000 | 0.976 | 0.000 |
| 4 | 3.748 | 6.223 | 2.225 | 37.849 | 0.836 | 11.228 | 0.000 | 0.000 | 0.000 | 1.535 | 22.326 | 38.067 |
| 5 | 0.000 | 12.445 | 35.375 | 5.328 | 0.999 | 0.000 | 0.000 | 1.395 | 8.514 | 0.000 | 4.878 | 28.431 |
| 6 | 6.320 | 3.245 | 0.000 | 0.000 | 0.510 | 3.501 | 0.000 | 1.711 | 0.000 | 2.277 | 11.019 | 19.345 |
| 7 | 17.564 | 0.000 | 7.498 | 5.979 | 0.000 | 9.489 | 0.000 | 2.974 | 0.000 | 0.486 | 17.382 | 0.000 |
| 8 | 7.464 | 0.000 | 0.000 | 0.000 | 4.425 | 7.244 | 0.000 | 9.580 | 71.265 | 17.653 | 23.679 | 0.000 |
| 9 | 19.311 | 0.000 | 5.520 | 0.000 | 22.613 | 16.274 | 0.000 | 21.477 | 30.336 | 1.509 | 4.678 | 4.616 |
| 10 | 0.000 | 1.289 | 11.041 | 7.739 | 7.096 | 1.087 | 0.000 | 6.317 | 0.000 | 0.000 | 3.104 | 100.572 |
| 11 | 0.000 | 0.000 | 14.529 | 13.621 | 0.000 | 33.900 | 0.000 | 6.948 | 0.000 | 4.477 | 22.748 | 12.933 |
| 12 | 0.000 | 0.000 | 0.000 | 19.600 | 17.087 | 10.262 | 0.000 | 0.000 | 0.000 | 0.000 | 27.093 | 45.212 |
| 13 | 4.987 | 0.000 | 0.000 | 0.000 | 3.242 | 23.059 | 1.447 | 28.399 | 1.575 | 4.068 | 2.860 | 7.035 |
| 14 | 0.000 | 0.000 | 0.000 | 0.000 | 1.223 | 12.193 | 1.009 | 0.000 | 0.000 | 0.000 | 3.459 | 25.427 |
| 15 | 0.000 | 0.000 | 9.475 | 4.026 | 0.000 | 0.000 | 0.329 | 23.503 | 0.000 | 12.792 | 11.396 | 5.935 |
| 16 | 0.000 | 0.000 | 0.000 | 9.691 | 0.632 | 0.000 | 0.000 | 19.161 | 5.699 | 0.000 | 39.797 | 9.306 |
| 17 | 0.000 | 4.089 | 0.000 | 8.317 | 25.386 | 0.000 | 8.070 | 1.316 | 3.151 | 2.865 | 21.617 | 1.832 |
| 18 | 0.000 | 49.515 | 2.774 | 26.856 | 6.953 | 0.000 | 0.000 | 0.000 | 0.000 | 6.549 | 9.445 | 0.000 |
| 19 | 0.000 | 0.000 | 1.154 | 21.383 | 2.528 | 0.000 | 2.259 | 22.793 | 0.000 | 0.000 | 11.219 | 35.869 |
| 20 | 0.000 | 0.000 | 7.113 | 0.000 | 0.000 | 0.000 | 7.006 | 11.975 | 0.000 | 0.000 | 16.606 | 0.000 |
| 21 | 6.829 | 0.000 | 10.464 | 13.790 | 5.811 | 0.000 | 0.000 | 0.000 | 29.129 | 0.000 | 15.985 | 13.849 |
| 22 | 13.403 | 1.645 | 35.182 | 4.388 | 12.397 | 0.000 | 0.000 | 5.975 | 13.006 | 0.000 | 6.252 | 16.780 |
| 23 | 0.794 | 0.000 | 39.247 | 0.603 | 3.140 | 0.000 | 0.000 | 2.527 | 3.151 | 0.000 | 58.399 | 2.931 |
| 24 | 0.000 | 0.000 | 8.761 | 16.321 | 31.299 | 0.000 | 0.888 | 1.527 | 4.492 | 0.000 | 9.312 | 0.000 |
| 25 | 0.000 | 0.000 | 19.884 | 5.304 | 0.000 | 0.000 | 2.796 | 57.245 | 3.285 | 0.000 | 10.021 | 1.832 |
| 26 | 42.020 | 31.780 | 8.706 | 21.359 | 0.000 | 0.000 | 9.067 | 13.502 | 0.000 | 0.768 | 11.817 | 0.000 |
| 27 | 2.096 | 0.000 | 0.000 | 9.764 | 3.731 | 0.000 | 0.000 | 0.000 | 34.359 | 14.506 | 11.729 | 0.000 |
| 28 | 0.000 | 12.268 | 0.000 | 8.510 | 7.442 | 0.000 | 0.000 | 0.000 | 2.212 | 3.275 | 63.720 | 11.614 |
| 29 | 0.000 | - | 0.000 | 53.929 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 11.564 | 2.483 | 0.806 |
| 30 | 11.974 | - | 9.777 | 1.229 | 0.000 | 0.000 | 0.000 | 28.399 | 1.307 | 7.419 | 3.437 | 0.000 |
| 31 | 33.540 | - | 11.013 | - | 0.000 | - | 17.795 | 0.000 | - | 27.221 | - | 0.000 |
| Total | 259.87 | 128.10 | 247.21 | 324.06 | 176.54 | 189.64 | 50.67 | 284.62 | 211.48 | 130.09 | 448.35 | 394.59 |
| Hari Hujan | 16.00 | 10.00 | 19.00 | 23.00 | 21.00 | 12.00 | 10.00 | 21.00 | 14.00 | 18.00 | 29.00 | 20.00 |
| Max | 46.880 | 49.515 | 39.247 | 53.929 | 31.299 | 39.622 | 17.795 | 57.245 | 71.265 | 27.221 | 63.720 | 100.572 |
| Avg | 8.38 | 4.57 | 7.97 | 10.80 | 5.69 | 6.32 | 1.63 | 9.18 | 7.05 | 4.20 | 14.94 | 12.73 |
Berdasarkan data hujan TRMM di Grid TRMM-0405, yang terletak di Desa Koto Nopan, Kecamatan Rao Utara, Pasaman, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 2015 adalah sebesar 2,845.21 mm. Dengan jumlah hari hujan tahunan adalah 213 hari (58.36%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 100.57 mm yang terjadi pada tanggal 10 Desember 2015.