| Tahun Data | : | 2009 |
| Nama Stasiun | : | TRMM-0259 |
| Lokasi Stasiun | : | Desa Dolok Sordang Julu, Kecamatan Sipirok, Tapanuli Selatan, Provinsi Sumatera Utara |
| Longitude | : | 99.375000 |
| Latitude | : | 1.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4.725 | 22.094 | 34.237 | 14.666 | 3.398 | 1.760 | 0.000 | 0.000 | 15.114 | 0.000 | 1.552 | 6.646 |
| 2 | 9.814 | 29.238 | 6.240 | 0.000 | 0.831 | 10.559 | 0.000 | 0.000 | 6.110 | 0.000 | 0.000 | 9.413 |
| 3 | 0.591 | 13.981 | 1.502 | 18.694 | 21.871 | 0.000 | 0.000 | 0.000 | 27.924 | 1.265 | 2.569 | 39.006 |
| 4 | 0.000 | 0.000 | 15.016 | 0.000 | 0.000 | 0.000 | 3.452 | 0.000 | 3.001 | 3.353 | 6.633 | 20.887 |
| 5 | 0.000 | 0.000 | 2.136 | 44.891 | 0.759 | 0.000 | 0.000 | 1.491 | 2.680 | 0.000 | 17.924 | 22.134 |
| 6 | 3.498 | 0.000 | 0.000 | 4.735 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 8.129 | 4.421 |
| 7 | 27.623 | 1.174 | 3.037 | 2.368 | 0.000 | 5.793 | 17.457 | 0.000 | 0.000 | 0.000 | 20.973 | 28.482 |
| 8 | 89.821 | 0.000 | 4.939 | 21.554 | 0.000 | 0.000 | 3.352 | 0.000 | 44.056 | 0.000 | 9.033 | 2.414 |
| 9 | 11.040 | 2.271 | 6.607 | 45.752 | 0.000 | 0.000 | 5.078 | 3.996 | 0.000 | 0.000 | 22.328 | 0.000 |
| 10 | 3.635 | 0.000 | 14.883 | 4.827 | 12.436 | 0.000 | 7.268 | 22.546 | 0.000 | 0.000 | 29.328 | 0.000 |
| 11 | 0.000 | 0.000 | 20.623 | 0.922 | 0.000 | 0.000 | 0.000 | 16.104 | 19.348 | 0.000 | 12.618 | 0.000 |
| 12 | 1.045 | 0.000 | 3.337 | 4.889 | 0.000 | 0.489 | 0.000 | 0.000 | 14.203 | 3.853 | 9.400 | 0.000 |
| 13 | 0.000 | 0.000 | 31.868 | 27.734 | 22.847 | 15.789 | 0.000 | 0.626 | 0.000 | 26.557 | 21.791 | 58.347 |
| 14 | 6.406 | 0.000 | 14.483 | 7.994 | 1.591 | 17.182 | 1.693 | 0.000 | 7.021 | 31.028 | 5.617 | 23.219 |
| 15 | 0.000 | 0.000 | 51.189 | 0.000 | 1.338 | 0.000 | 0.000 | 2.237 | 3.269 | 10.499 | 34.437 | 0.000 |
| 16 | 0.000 | 0.000 | 7.275 | 0.000 | 0.000 | 0.000 | 0.000 | 5.636 | 0.000 | 21.852 | 2.315 | 36.185 |
| 17 | 0.000 | 2.424 | 9.944 | 12.360 | 0.000 | 0.000 | 0.000 | 15.269 | 19.241 | 15.352 | 8.129 | 16.058 |
| 18 | 0.000 | 0.000 | 0.000 | 1.722 | 0.000 | 0.000 | 0.000 | 38.978 | 1.929 | 0.529 | 2.315 | 42.099 |
| 19 | 0.000 | 8.062 | 6.407 | 47.627 | 0.000 | 0.000 | 0.000 | 1.610 | 0.000 | 0.000 | 23.541 | 0.000 |
| 20 | 0.000 | 0.000 | 8.309 | 3.690 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.000 | 0.000 | 0.000 |
| 21 | 0.000 | 28.906 | 0.000 | 0.154 | 0.000 | 8.408 | 0.830 | 3.549 | 3.591 | 7.382 | 1.496 | 0.000 |
| 22 | 41.026 | 9.057 | 1.635 | 4.489 | 0.000 | 0.000 | 5.808 | 10.408 | 6.914 | 1.000 | 1.214 | 0.000 |
| 23 | 0.000 | 14.517 | 19.455 | 0.000 | 0.000 | 1.418 | 5.177 | 10.229 | 0.000 | 0.000 | 0.000 | 0.000 |
| 24 | 0.000 | 16.252 | 27.830 | 0.000 | 0.000 | 0.318 | 0.000 | 4.265 | 1.554 | 18.734 | 0.000 | 1.302 |
| 25 | 55.656 | 45.669 | 10.478 | 1.691 | 0.000 | 13.981 | 0.962 | 7.784 | 0.000 | 3.853 | 0.000 | 4.584 |
| 26 | 0.091 | 28.294 | 37.675 | 2.675 | 3.615 | 0.611 | 0.000 | 56.842 | 0.000 | 32.586 | 0.056 | 49.721 |
| 27 | 23.762 | 5.562 | 16.985 | 0.000 | 0.000 | 0.171 | 2.257 | 21.532 | 0.000 | 0.000 | 5.391 | 51.484 |
| 28 | 0.000 | 0.816 | 52.090 | 42.247 | 0.000 | 0.000 | 28.508 | 2.893 | 16.722 | 1.323 | 6.662 | 16.221 |
| 29 | 28.986 | - | 7.742 | 1.107 | 0.000 | 0.000 | 1.162 | 3.638 | 0.000 | 10.029 | 8.383 | 2.007 |
| 30 | 5.952 | - | 47.986 | 1.537 | 0.000 | 0.635 | 0.000 | 3.191 | 29.502 | 27.410 | 48.297 | 2.441 |
| 31 | 18.037 | - | 8.376 | - | 0.000 | - | 0.000 | 4.682 | - | 5.529 | - | 24.304 |
| Total | 331.71 | 228.32 | 472.28 | 318.33 | 68.69 | 77.11 | 83.00 | 237.51 | 222.18 | 223.13 | 310.13 | 461.38 |
| Hari Hujan | 17.00 | 15.00 | 28.00 | 23.00 | 9.00 | 13.00 | 13.00 | 21.00 | 17.00 | 19.00 | 25.00 | 21.00 |
| Max | 89.821 | 45.669 | 52.090 | 47.627 | 22.847 | 17.182 | 28.508 | 56.842 | 44.056 | 32.586 | 48.297 | 58.347 |
| Avg | 10.70 | 8.15 | 15.23 | 10.61 | 2.22 | 2.57 | 2.68 | 7.66 | 7.41 | 7.20 | 10.34 | 14.88 |
Berdasarkan data hujan TRMM di Grid TRMM-0259, yang terletak di Desa Dolok Sordang Julu, Kecamatan Sipirok, Tapanuli Selatan, Provinsi Sumatera Utara, curah hujan tahunan yang terjadi pada tahun 2009 adalah sebesar 3,033.76 mm. Dengan jumlah hari hujan tahunan adalah 221 hari (60.55%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 89.82 mm yang terjadi pada tanggal 8 Januari 2009.
