| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-0610 |
| Lokasi Stasiun | : | Desa Ranah Air Haji (Persiapan), Kecamatan Sungaiaur, Pasaman Barat, Provinsi Sumatera Barat |
| Longitude | : | 99.625000 |
| Latitude | : | 0.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 22.541 | 0.000 | 15.535 | 0.000 | 21.632 | 0.000 | 3.167 | 0.000 | 0.000 | 0.000 | 13.798 | 7.047 |
| 2 | 39.177 | 7.510 | 3.027 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 19.158 | 15.821 | 0.000 | 37.990 |
| 3 | 11.770 | 0.000 | 49.166 | 0.000 | 6.209 | 0.000 | 8.608 | 15.663 | 28.279 | 0.000 | 0.000 | 9.620 |
| 4 | 34.519 | 0.000 | 0.000 | 18.233 | 0.741 | 0.289 | 41.251 | 0.000 | 33.685 | 8.725 | 0.000 | 2.941 |
| 5 | 0.000 | 26.136 | 10.445 | 8.937 | 11.397 | 0.000 | 4.342 | 2.846 | 0.000 | 0.000 | 3.245 | 72.058 |
| 6 | 0.000 | 6.492 | 0.000 | 10.067 | 12.038 | 0.000 | 16.424 | 13.734 | 0.000 | 28.857 | 2.603 | 3.248 |
| 7 | 0.000 | 21.002 | 0.000 | 5.752 | 0.401 | 0.762 | 0.281 | 6.279 | 1.331 | 3.942 | 0.000 | 29.534 |
| 8 | 2.163 | 10.183 | 21.822 | 0.000 | 0.000 | 30.593 | 7.714 | 0.000 | 22.734 | 43.942 | 0.000 | 0.000 |
| 9 | 6.030 | 6.025 | 10.312 | 0.000 | 0.000 | 0.000 | 5.415 | 0.000 | 16.441 | 0.000 | 0.000 | 1.654 |
| 10 | 0.832 | 0.000 | 1.863 | 13.713 | 0.000 | 0.000 | 2.324 | 1.317 | 6.682 | 6.202 | 22.141 | 0.000 |
| 11 | 27.407 | 0.000 | 0.166 | 0.000 | 22.894 | 9.909 | 0.000 | 11.806 | 0.000 | 9.987 | 53.160 | 0.000 |
| 12 | 0.000 | 22.530 | 18.362 | 0.000 | 0.000 | 0.920 | 0.000 | 6.914 | 0.000 | 18.923 | 17.827 | 8.333 |
| 13 | 85.425 | 16.165 | 17.464 | 0.000 | 1.001 | 0.000 | 0.000 | 0.635 | 1.525 | 15.664 | 0.000 | 0.000 |
| 14 | 0.208 | 4.073 | 33.165 | 0.000 | 0.721 | 1.577 | 4.776 | 0.000 | 8.622 | 82.313 | 7.059 | 15.625 |
| 15 | 4.367 | 18.711 | 1.663 | 0.000 | 4.927 | 0.000 | 1.354 | 0.000 | 0.166 | 9.409 | 0.000 | 7.782 |
| 16 | 0.000 | 0.000 | 0.000 | 0.000 | 5.067 | 2.917 | 0.000 | 38.780 | 5.850 | 40.946 | 16.936 | 3.309 |
| 17 | 4.949 | 0.000 | 6.952 | 16.076 | 1.082 | 0.000 | 3.167 | 1.105 | 62.990 | 0.000 | 16.508 | 55.024 |
| 18 | 3.868 | 9.334 | 20.391 | 0.668 | 1.582 | 4.994 | 0.000 | 0.000 | 0.000 | 78.686 | 15.866 | 50.183 |
| 19 | 2.745 | 57.151 | 7.751 | 0.000 | 4.647 | 0.000 | 0.000 | 9.971 | 77.879 | 46.676 | 0.963 | 0.000 |
| 20 | 0.000 | 0.000 | 2.728 | 0.000 | 0.000 | 0.000 | 0.000 | 33.442 | 24.952 | 14.402 | 10.304 | 1.225 |
| 21 | 0.042 | 0.000 | 0.399 | 0.411 | 4.366 | 22.472 | 0.000 | 17.309 | 18.797 | 1.629 | 17.470 | 0.000 |
| 22 | 11.728 | 0.000 | 0.000 | 0.000 | 2.524 | 31.908 | 0.000 | 14.816 | 4.020 | 21.813 | 0.000 | 0.000 |
| 23 | 22.042 | 10.607 | 1.996 | 0.000 | 0.300 | 0.000 | 0.000 | 8.349 | 0.000 | 10.513 | 4.992 | 0.429 |
| 24 | 20.420 | 4.370 | 1.397 | 0.000 | 17.906 | 13.010 | 0.000 | 0.000 | 0.166 | 0.000 | 32.552 | 0.000 |
| 25 | 2.371 | 70.516 | 0.000 | 0.000 | 0.581 | 3.075 | 0.000 | 14.440 | 0.000 | 2.838 | 16.722 | 3.738 |
| 26 | 0.000 | 21.002 | 24.683 | 7.293 | 0.000 | 4.126 | 0.894 | 0.000 | 21.209 | 16.715 | 36.331 | 0.000 |
| 27 | 3.660 | 3.182 | 3.493 | 1.644 | 0.000 | 1.393 | 0.000 | 0.000 | 4.353 | 12.773 | 5.063 | 0.000 |
| 28 | 0.000 | 0.000 | 0.299 | 5.752 | 0.000 | 9.094 | 0.000 | 9.242 | 12.033 | 27.385 | 65.175 | 0.000 |
| 29 | 0.000 | - | 0.000 | 51.566 | 0.000 | 3.548 | 0.000 | 0.000 | 39.840 | 8.568 | 6.204 | 0.000 |
| 30 | 0.000 | - | 0.000 | 2.773 | 0.000 | 0.000 | 0.894 | 0.000 | 7.125 | 0.000 | 62.644 | 0.000 |
| 31 | 0.000 | - | 9.812 | - | 0.000 | - | 0.000 | 0.000 | - | 4.415 | - | 0.061 |
| Total | 306.26 | 314.99 | 262.89 | 142.89 | 120.02 | 140.59 | 100.61 | 206.65 | 417.84 | 531.14 | 427.56 | 309.80 |
| Hari Hujan | 20.00 | 17.00 | 23.00 | 13.00 | 19.00 | 16.00 | 14.00 | 17.00 | 22.00 | 24.00 | 21.00 | 18.00 |
| Max | 85.425 | 70.516 | 49.166 | 51.566 | 22.894 | 31.908 | 41.251 | 38.780 | 77.879 | 82.313 | 65.175 | 72.058 |
| Avg | 9.88 | 11.25 | 8.48 | 4.76 | 3.87 | 4.69 | 3.25 | 6.67 | 13.93 | 17.13 | 14.25 | 9.99 |
Berdasarkan data hujan TRMM di Grid TRMM-0610, yang terletak di Desa Ranah Air Haji (Persiapan), Kecamatan Sungaiaur, Pasaman Barat, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 3,281.24 mm. Dengan jumlah hari hujan tahunan adalah 224 hari (61.37%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 85.43 mm yang terjadi pada tanggal 13 Januari 1999.
