| Tahun Data | : | 2004 |
| Nama Stasiun | : | TRMM-0721 |
| Lokasi Stasiun | : | Desa Unggan, Kecamatan Sumpur Kudus, Sijunjung, Provinsi Sumatera Barat |
| Longitude | : | 100.875000 |
| Latitude | : | -0.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.000 | 24.926 | 5.603 | 6.997 | 38.562 | 0.000 | 8.748 | 36.467 | 6.171 | 3.257 | 10.929 | 68.817 |
| 2 | 0.000 | 0.000 | 27.138 | 36.899 | 0.000 | 0.000 | 0.623 | 0.000 | 4.149 | 19.897 | 1.286 | 0.000 |
| 3 | 8.601 | 1.119 | 2.970 | 12.896 | 18.906 | 0.774 | 0.000 | 0.000 | 0.000 | 18.528 | 30.590 | 0.000 |
| 4 | 0.000 | 51.725 | 16.000 | 27.204 | 36.602 | 10.693 | 14.471 | 0.000 | 0.000 | 0.000 | 23.010 | 2.093 |
| 5 | 0.000 | 11.396 | 8.169 | 0.000 | 13.546 | 3.223 | 5.664 | 0.000 | 0.000 | 0.000 | 10.634 | 25.414 |
| 6 | 6.025 | 0.000 | 5.671 | 5.334 | 7.551 | 6.071 | 4.982 | 0.000 | 0.000 | 0.000 | 3.000 | 15.504 |
| 7 | 7.815 | 0.000 | 10.430 | 64.040 | 1.873 | 0.899 | 0.000 | 0.000 | 0.000 | 14.067 | 0.000 | 7.490 |
| 8 | 0.000 | 0.000 | 3.780 | 0.000 | 0.000 | 6.720 | 0.000 | 0.000 | 0.000 | 32.486 | 5.036 | 11.742 |
| 9 | 4.934 | 1.717 | 2.498 | 9.852 | 0.000 | 4.347 | 5.871 | 0.000 | 0.000 | 3.065 | 0.000 | 4.056 |
| 10 | 5.807 | 0.000 | 13.941 | 3.200 | 0.000 | 0.000 | 0.801 | 0.000 | 0.000 | 17.844 | 8.625 | 8.569 |
| 11 | 0.000 | 1.535 | 1.283 | 13.680 | 10.289 | 0.000 | 6.049 | 0.034 | 7.554 | 6.432 | 6.161 | 77.845 |
| 12 | 3.624 | 1.483 | 3.780 | 0.000 | 0.000 | 0.000 | 4.774 | 0.000 | 6.348 | 0.000 | 29.572 | 0.949 |
| 13 | 3.056 | 0.000 | 1.688 | 17.853 | 0.000 | 0.000 | 5.990 | 0.000 | 0.000 | 0.000 | 2.518 | 5.626 |
| 14 | 4.541 | 0.000 | 24.371 | 0.000 | 0.000 | 0.000 | 7.176 | 0.000 | 0.000 | 0.000 | 8.357 | 0.000 |
| 15 | 0.000 | 0.000 | 23.966 | 1.569 | 4.381 | 0.000 | 2.669 | 12.236 | 0.000 | 0.000 | 8.491 | 1.962 |
| 16 | 0.000 | 0.000 | 0.000 | 2.228 | 0.000 | 0.000 | 34.427 | 5.430 | 3.121 | 9.634 | 10.018 | 0.000 |
| 17 | 17.683 | 0.911 | 0.000 | 2.604 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 11.221 | 9.161 | 10.368 |
| 18 | 72.782 | 4.527 | 0.000 | 6.526 | 0.000 | 0.000 | 0.000 | 42.138 | 3.192 | 11.796 | 0.000 | 4.972 |
| 19 | 7.903 | 0.000 | 18.936 | 0.722 | 0.000 | 0.000 | 0.000 | 0.000 | 25.889 | 6.021 | 1.527 | 3.696 |
| 20 | 5.851 | 0.000 | 0.000 | 12.331 | 1.297 | 0.000 | 2.402 | 3.300 | 0.000 | 1.998 | 0.000 | 1.177 |
| 21 | 0.000 | 18.369 | 9.687 | 0.000 | 22.278 | 0.000 | 0.000 | 0.000 | 6.171 | 13.383 | 13.983 | 0.000 |
| 22 | 0.000 | 0.000 | 0.000 | 14.151 | 0.000 | 0.000 | 0.000 | 17.735 | 0.000 | 25.015 | 4.259 | 0.000 |
| 23 | 4.497 | 18.785 | 7.392 | 20.364 | 48.044 | 0.000 | 13.729 | 0.000 | 0.000 | 39.958 | 0.750 | 41.212 |
| 24 | 16.285 | 12.489 | 0.000 | 7.091 | 0.000 | 11.442 | 0.000 | 0.000 | 30.889 | 10.044 | 8.866 | 0.000 |
| 25 | 0.000 | 27.866 | 16.978 | 1.977 | 8.416 | 12.416 | 0.000 | 0.000 | 22.094 | 11.057 | 28.983 | 1.930 |
| 26 | 0.000 | 39.288 | 24.607 | 5.365 | 11.096 | 37.349 | 3.232 | 0.000 | 12.129 | 15.326 | 1.205 | 3.958 |
| 27 | 0.000 | 0.911 | 0.000 | 11.170 | 7.292 | 0.000 | 0.000 | 0.000 | 11.029 | 9.360 | 32.787 | 11.742 |
| 28 | 10.129 | 3.356 | 2.903 | 24.097 | 0.000 | 20.086 | 17.495 | 0.000 | 0.745 | 1.971 | 5.572 | 0.000 |
| 29 | 0.000 | 10.303 | 1.924 | 25.666 | 9.078 | 0.774 | 3.588 | 5.843 | 5.568 | 11.303 | 41.546 | 3.958 |
| 30 | 33.269 | - | 56.302 | 49.074 | 4.294 | 0.250 | 0.000 | 27.393 | 20.959 | 23.455 | 8.009 | 6.574 |
| 31 | 13.054 | - | 0.000 | - | 0.000 | - | 0.830 | 0.000 | - | 10.427 | - | 9.497 |
| Total | 225.86 | 230.71 | 290.02 | 382.89 | 243.51 | 115.04 | 143.52 | 150.58 | 166.01 | 327.55 | 314.88 | 329.15 |
| Hari Hujan | 17.00 | 17.00 | 23.00 | 25.00 | 16.00 | 13.00 | 19.00 | 9.00 | 15.00 | 24.00 | 26.00 | 23.00 |
| Max | 72.782 | 51.725 | 56.302 | 64.040 | 48.044 | 37.349 | 34.427 | 42.138 | 30.889 | 39.958 | 41.546 | 77.845 |
| Avg | 7.29 | 7.96 | 9.36 | 12.76 | 7.86 | 3.83 | 4.63 | 4.86 | 5.53 | 10.57 | 10.50 | 10.62 |
Berdasarkan data hujan TRMM di Grid TRMM-0721, yang terletak di Desa Unggan, Kecamatan Sumpur Kudus, Sijunjung, Provinsi Sumatera Barat, curah hujan tahunan yang terjadi pada tahun 2004 adalah sebesar 2,919.69 mm. Dengan jumlah hari hujan tahunan adalah 227 hari (62.19%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 77.85 mm yang terjadi pada tanggal 11 Desember 2004.