| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-0463 |
| Lokasi Stasiun | : | Desa Yipilo, Kecamatan Wanggarasi, Pahuwato, Provinsi Gorontalo |
| Longitude | : | 121.625000 |
| Latitude | : | 0.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.523 | 4.050 | 0.000 | 11.741 | 0.000 | 0.000 | 0.000 | 1.679 | 0.994 | 18.412 | 6.860 | 0.738 |
| 2 | 0.778 | 0.000 | 1.711 | 6.868 | 1.418 | 0.000 | 4.519 | 1.152 | 0.550 | 0.000 | 7.874 | 1.394 |
| 3 | 1.847 | 13.050 | 18.176 | 13.795 | 2.883 | 4.059 | 3.430 | 0.000 | 0.000 | 3.962 | 0.000 | 0.369 |
| 4 | 0.000 | 6.120 | 0.000 | 11.418 | 4.584 | 0.000 | 4.600 | 0.000 | 0.000 | 3.884 | 0.000 | 1.476 |
| 5 | 15.394 | 4.500 | 33.048 | 11.388 | 4.159 | 0.000 | 0.000 | 19.851 | 1.261 | 5.865 | 0.000 | 0.000 |
| 6 | 0.000 | 0.000 | 20.419 | 0.000 | 1.205 | 0.000 | 17.122 | 0.000 | 0.000 | 8.118 | 0.000 | 0.000 |
| 7 | 0.292 | 0.000 | 3.334 | 0.000 | 11.484 | 0.736 | 12.467 | 7.671 | 0.000 | 30.260 | 0.000 | 0.000 |
| 8 | 5.250 | 0.000 | 10.888 | 1.937 | 0.000 | 0.000 | 0.000 | 7.506 | 1.580 | 53.411 | 0.000 | 0.000 |
| 9 | 10.727 | 0.000 | 22.898 | 37.863 | 0.591 | 0.178 | 3.239 | 19.193 | 0.000 | 0.000 | 0.000 | 0.000 |
| 10 | 31.080 | 0.000 | 0.000 | 9.833 | 2.717 | 0.000 | 0.000 | 0.000 | 0.000 | 0.117 | 0.365 | 1.230 |
| 11 | 8.912 | 0.000 | 20.596 | 0.000 | 10.846 | 0.000 | 4.954 | 1.844 | 4.830 | 2.525 | 55.404 | 6.888 |
| 12 | 0.000 | 0.000 | 0.000 | 6.222 | 6.781 | 0.000 | 0.000 | 6.584 | 0.408 | 11.925 | 3.897 | 0.000 |
| 13 | 0.000 | 0.000 | 0.000 | 0.851 | 28.142 | 0.736 | 0.000 | 2.140 | 0.906 | 3.185 | 10.431 | 0.000 |
| 14 | 7.681 | 11.340 | 0.000 | 14.411 | 15.973 | 8.855 | 11.052 | 0.000 | 2.841 | 1.515 | 13.760 | 0.000 |
| 15 | 0.000 | 0.090 | 2.272 | 1.614 | 0.000 | 20.631 | 0.871 | 0.000 | 2.007 | 0.000 | 3.775 | 0.533 |
| 16 | 9.723 | 1.350 | 15.344 | 3.111 | 3.592 | 10.884 | 0.000 | 0.000 | 8.009 | 0.117 | 4.059 | 15.047 |
| 17 | 0.000 | 0.000 | 0.000 | 2.348 | 20.274 | 1.271 | 26.840 | 4.082 | 0.000 | 1.476 | 1.055 | 0.861 |
| 18 | 0.000 | 0.000 | 11.272 | 0.088 | 1.063 | 0.914 | 24.527 | 9.646 | 0.693 | 6.176 | 0.000 | 0.492 |
| 19 | 21.973 | 4.950 | 18.265 | 0.000 | 0.000 | 5.487 | 0.000 | 2.173 | 0.000 | 16.820 | 8.483 | 3.936 |
| 20 | 11.116 | 4.500 | 0.000 | 5.283 | 8.601 | 0.513 | 2.749 | 0.000 | 0.000 | 9.595 | 0.000 | 0.000 |
| 21 | 5.996 | 0.000 | 10.239 | 0.000 | 0.000 | 26.608 | 3.022 | 1.021 | 1.953 | 4.312 | 0.000 | 2.952 |
| 22 | 1.232 | 5.850 | 3.482 | 0.000 | 0.000 | 0.000 | 0.000 | 1.547 | 6.837 | 0.000 | 0.000 | 6.642 |
| 23 | 7.811 | 0.180 | 18.796 | 0.000 | 2.741 | 7.271 | 0.000 | 1.152 | 2.380 | 0.000 | 0.893 | 7.790 |
| 24 | 0.000 | 20.700 | 0.531 | 37.687 | 12.169 | 6.513 | 0.000 | 0.000 | 14.845 | 0.000 | 0.000 | 6.560 |
| 25 | 11.440 | 1.980 | 14.488 | 0.000 | 1.181 | 10.193 | 0.000 | 14.584 | 19.356 | 5.749 | 24.029 | 24.682 |
| 26 | 7.973 | 0.000 | 7.819 | 16.730 | 0.000 | 0.000 | 0.000 | 21.497 | 3.694 | 0.311 | 0.000 | 4.387 |
| 27 | 6.449 | 7.020 | 0.000 | 6.721 | 13.587 | 0.736 | 0.000 | 7.276 | 4.457 | 2.486 | 0.365 | 0.000 |
| 28 | 3.176 | 4.050 | 0.000 | 3.816 | 0.898 | 9.278 | 0.871 | 0.000 | 1.580 | 6.060 | 0.000 | 0.000 |
| 29 | 15.654 | - | 0.000 | 7.866 | 4.986 | 1.673 | 3.811 | 0.000 | 2.362 | 0.622 | 0.690 | 2.337 |
| 30 | 0.000 | - | 36.619 | 0.000 | 2.434 | 0.000 | 0.000 | 0.000 | 10.477 | 5.438 | 0.000 | 3.526 |
| 31 | 0.000 | - | 0.856 | - | 0.000 | - | 2.994 | 0.000 | - | 2.836 | - | 4.592 |
| Total | 186.03 | 89.73 | 271.05 | 211.59 | 162.31 | 116.54 | 127.07 | 130.60 | 92.02 | 205.18 | 141.94 | 96.43 |
| Hari Hujan | 21.00 | 15.00 | 20.00 | 21.00 | 23.00 | 18.00 | 16.00 | 18.00 | 21.00 | 25.00 | 15.00 | 20.00 |
| Max | 31.080 | 20.700 | 36.619 | 37.863 | 28.142 | 26.608 | 26.840 | 21.497 | 19.356 | 53.411 | 55.404 | 24.682 |
| Avg | 6.00 | 3.20 | 8.74 | 7.05 | 5.24 | 3.88 | 4.10 | 4.21 | 3.07 | 6.62 | 4.73 | 3.11 |
Berdasarkan data hujan TRMM di Grid TRMM-0463, yang terletak di Desa Yipilo, Kecamatan Wanggarasi, Pahuwato, Provinsi Gorontalo, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 1,830.48 mm. Dengan jumlah hari hujan tahunan adalah 233 hari (63.84%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 55.40 mm yang terjadi pada tanggal 11 November 1999.
