| Tahun Data | : | 2009 |
| Nama Stasiun | : | TRMM-0550 |
| Lokasi Stasiun | : | Desa Desa Baru, Kecamatan Ranah Batahan, Pasaman Barat, Provinsi Sumatera Barat |
| Longitude | : | 99.375000 |
| Latitude | : | 0.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 13.682 | 0.000 | 2.571 | 22.063 | 5.782 | 3.957 | 0.000 | 0.000 | 2.021 | 4.011 | 7.136 | 0.000 |
| 2 | 8.772 | 26.815 | 3.103 | 3.997 | 1.062 | 20.220 | 0.000 | 0.000 | 4.206 | 0.371 | 72.214 | 1.960 |
| 3 | 0.000 | 4.723 | 1.153 | 35.471 | 35.841 | 13.643 | 0.000 | 0.000 | 44.125 | 0.000 | 65.373 | 23.552 |
| 4 | 0.000 | 6.815 | 7.226 | 16.052 | 0.000 | 0.000 | 0.000 | 0.000 | 84.043 | 8.764 | 30.224 | 1.629 |
| 5 | 0.000 | 0.000 | 13.521 | 39.122 | 0.000 | 0.000 | 0.000 | 0.000 | 5.526 | 0.000 | 2.506 | 1.077 |
| 6 | 0.000 | 0.000 | 0.000 | 59.266 | 0.000 | 0.000 | 0.000 | 0.000 | 1.402 | 2.764 | 34.205 | 0.000 |
| 7 | 13.406 | 0.000 | 0.000 | 0.913 | 3.186 | 0.886 | 20.607 | 10.580 | 0.000 | 0.000 | 3.538 | 0.000 |
| 8 | 0.000 | 0.000 | 0.000 | 16.209 | 0.000 | 0.000 | 3.455 | 1.752 | 31.753 | 0.000 | 10.409 | 13.833 |
| 9 | 1.490 | 0.000 | 1.685 | 27.194 | 2.714 | 0.000 | 9.673 | 0.000 | 0.000 | 0.000 | 20.081 | 0.000 |
| 10 | 0.000 | 0.000 | 9.398 | 15.548 | 0.000 | 0.000 | 48.855 | 21.829 | 0.000 | 0.000 | 44.821 | 0.000 |
| 11 | 0.000 | 2.409 | 1.906 | 1.322 | 1.917 | 0.000 | 0.000 | 12.171 | 0.000 | 0.000 | 28.956 | 0.000 |
| 12 | 0.000 | 0.000 | 28.948 | 7.082 | 0.000 | 7.745 | 0.447 | 1.245 | 16.701 | 1.416 | 12.208 | 3.424 |
| 13 | 0.000 | 0.032 | 26.953 | 0.000 | 33.982 | 6.388 | 0.000 | 0.000 | 1.897 | 1.955 | 32.849 | 37.413 |
| 14 | 2.593 | 0.000 | 22.875 | 11.519 | 9.852 | 0.000 | 0.000 | 0.000 | 41.403 | 6.270 | 4.246 | 33.961 |
| 15 | 0.000 | 0.000 | 20.215 | 0.504 | 4.041 | 0.000 | 0.000 | 0.000 | 4.784 | 20.562 | 25.477 | 0.000 |
| 16 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.415 | 0.000 | 5.970 | 0.000 | 13.045 | 0.000 | 8.311 |
| 17 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 21.022 | 18.145 | 0.000 | 0.000 | 4.832 |
| 18 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.455 | 108.545 | 17.402 | 19.483 | 0.000 | 14.082 |
| 19 | 0.000 | 10.618 | 0.000 | 0.000 | 0.000 | 5.408 | 0.000 | 0.000 | 0.000 | 28.821 | 15.599 | 1.629 |
| 20 | 28.798 | 0.000 | 8.911 | 10.166 | 0.000 | 3.090 | 0.000 | 13.139 | 5.650 | 35.090 | 0.000 | 0.000 |
| 21 | 0.000 | 26.022 | 0.000 | 0.000 | 0.000 | 30.980 | 0.000 | 14.706 | 0.000 | 18.337 | 0.000 | 0.000 |
| 22 | 17.709 | 3.201 | 1.906 | 0.000 | 0.000 | 0.000 | 0.975 | 1.383 | 0.000 | 0.000 | 18.842 | 0.000 |
| 23 | 1.490 | 13.439 | 1.064 | 0.409 | 0.000 | 0.000 | 3.170 | 1.706 | 0.000 | 9.169 | 0.000 | 0.000 |
| 24 | 4.082 | 13.724 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.135 | 0.000 | 8.798 | 0.000 | 54.752 |
| 25 | 25.487 | 0.000 | 17.245 | 0.000 | 0.000 | 14.642 | 6.341 | 14.291 | 0.000 | 8.124 | 0.000 | 14.137 |
| 26 | 0.110 | 39.049 | 10.152 | 0.000 | 0.000 | 1.281 | 0.000 | 15.536 | 0.000 | 48.405 | 0.000 | 13.971 |
| 27 | 40.990 | 3.011 | 15.871 | 2.738 | 0.000 | 6.671 | 0.000 | 40.477 | 3.340 | 38.124 | 0.000 | 30.123 |
| 28 | 25.487 | 0.000 | 11.925 | 7.994 | 0.000 | 1.960 | 9.348 | 0.000 | 3.299 | 0.000 | 0.000 | 29.571 |
| 29 | 19.309 | - | 0.000 | 26.501 | 0.000 | 1.602 | 7.519 | 2.190 | 4.784 | 26.697 | 2.005 | 6.240 |
| 30 | 2.869 | - | 29.347 | 1.133 | 0.000 | 0.000 | 0.000 | 3.227 | 33.194 | 34.180 | 19.167 | 4.197 |
| 31 | 3.034 | - | 12.191 | - | 0.000 | - | 0.000 | 0.668 | - | 6.202 | - | 2.623 |
| Total | 209.31 | 149.86 | 248.17 | 305.20 | 98.38 | 118.89 | 113.85 | 293.57 | 323.68 | 340.59 | 449.86 | 301.32 |
| Hari Hujan | 16.00 | 12.00 | 21.00 | 20.00 | 9.00 | 15.00 | 11.00 | 19.00 | 18.00 | 21.00 | 19.00 | 20.00 |
| Max | 40.990 | 39.049 | 29.347 | 59.266 | 35.841 | 30.980 | 48.855 | 108.545 | 84.043 | 48.405 | 72.214 | 54.752 |
| Avg | 6.75 | 5.35 | 8.01 | 10.17 | 3.17 | 3.96 | 3.67 | 9.47 | 10.79 | 10.99 | 15.00 | 9.72 |
Berdasarkan data hujan TRMM di Grid TRMM-0550, yang terletak di Desa Desa Baru, Kecamatan Ranah Batahan, Pasaman Barat, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 2009 adalah sebesar 2,952.65 mm. Dengan jumlah hari hujan tahunan adalah 201 hari (55.07%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 108.55 mm yang terjadi pada tanggal 18 Agustus 2009.
