| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-0541 |
| Lokasi Stasiun | : | Desa Bangio, Kecamatan Pinogu, Bone Bolango, Provinsi Gorontalo |
| Longitude | : | 123.375000 |
| Latitude | : | 0.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 27.479 | 11.554 | 0.562 | 1.444 | 11.360 | 0.000 | 19.025 | 0.000 | 0.547 | 9.633 | 30.773 | 0.000 |
| 2 | 0.615 | 0.000 | 6.307 | 0.000 | 5.324 | 0.000 | 0.710 | 0.000 | 13.285 | 0.000 | 5.722 | 1.510 |
| 3 | 0.000 | 12.789 | 59.053 | 1.264 | 6.919 | 0.502 | 3.336 | 0.000 | 1.094 | 1.771 | 0.000 | 2.896 |
| 4 | 0.000 | 7.787 | 0.648 | 57.537 | 1.708 | 0.000 | 3.265 | 0.000 | 0.000 | 0.000 | 0.180 | 1.541 |
| 5 | 48.066 | 2.722 | 17.323 | 7.463 | 10.193 | 0.000 | 15.404 | 0.152 | 2.324 | 0.912 | 0.496 | 22.461 |
| 6 | 0.000 | 3.134 | 0.302 | 0.481 | 2.876 | 0.000 | 11.074 | 1.638 | 0.000 | 1.181 | 0.000 | 0.832 |
| 7 | 0.000 | 8.864 | 1.382 | 0.000 | 0.000 | 1.723 | 3.265 | 0.724 | 20.645 | 4.911 | 0.000 | 0.000 |
| 8 | 0.176 | 0.222 | 0.000 | 19.620 | 5.011 | 0.000 | 1.952 | 6.741 | 0.843 | 22.379 | 0.000 | 0.000 |
| 9 | 0.615 | 34.568 | 0.950 | 3.069 | 2.506 | 0.414 | 1.065 | 16.871 | 0.000 | 17.576 | 0.000 | 0.000 |
| 10 | 4.521 | 0.000 | 9.072 | 6.861 | 6.520 | 1.854 | 1.775 | 1.104 | 0.000 | 10.250 | 3.109 | 0.462 |
| 11 | 0.395 | 0.000 | 8.899 | 0.000 | 1.224 | 0.000 | 16.859 | 0.000 | 0.843 | 0.000 | 42.983 | 15.714 |
| 12 | 0.000 | 0.000 | 0.000 | 3.912 | 9.965 | 0.000 | 1.100 | 0.914 | 3.600 | 0.805 | 6.353 | 3.759 |
| 13 | 0.000 | 0.000 | 0.000 | 1.926 | 42.053 | 8.660 | 0.000 | 0.000 | 2.803 | 0.000 | 17.482 | 0.000 |
| 14 | 0.000 | 0.000 | 0.000 | 7.463 | 3.872 | 15.161 | 9.051 | 2.437 | 1.572 | 1.717 | 22.663 | 2.249 |
| 15 | 3.731 | 12.187 | 0.432 | 10.893 | 0.484 | 27.923 | 0.000 | 0.000 | 3.099 | 19.079 | 0.946 | 0.000 |
| 16 | 6.409 | 0.000 | 6.696 | 0.000 | 6.207 | 8.333 | 2.414 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 17 | 0.000 | 0.000 | 0.000 | 14.625 | 11.246 | 30.584 | 15.014 | 0.609 | 1.869 | 2.469 | 8.471 | 3.297 |
| 18 | 0.000 | 0.000 | 7.430 | 0.000 | 1.965 | 2.051 | 19.734 | 1.638 | 2.415 | 4.937 | 6.488 | 1.879 |
| 19 | 3.556 | 0.950 | 4.363 | 0.481 | 0.000 | 0.698 | 13.062 | 0.000 | 2.347 | 7.889 | 0.000 | 39.685 |
| 20 | 17.822 | 0.000 | 8.856 | 0.000 | 12.841 | 20.920 | 1.349 | 0.914 | 0.000 | 29.383 | 0.000 | 8.658 |
| 21 | 2.370 | 0.000 | 4.925 | 0.000 | 0.826 | 11.191 | 0.000 | 0.000 | 7.155 | 8.238 | 0.000 | 4.930 |
| 22 | 7.726 | 9.497 | 11.620 | 0.000 | 1.367 | 0.000 | 0.000 | 0.000 | 3.099 | 0.000 | 0.000 | 0.000 |
| 23 | 3.819 | 11.206 | 7.214 | 0.000 | 16.343 | 9.075 | 0.000 | 1.638 | 7.497 | 0.000 | 0.946 | 0.000 |
| 24 | 0.000 | 0.000 | 0.000 | 0.000 | 18.222 | 16.928 | 0.000 | 1.752 | 4.671 | 0.054 | 0.000 | 1.972 |
| 25 | 0.000 | 9.718 | 43.674 | 1.745 | 6.833 | 3.359 | 0.000 | 16.452 | 0.000 | 19.320 | 0.000 | 4.652 |
| 26 | 10.579 | 0.000 | 2.851 | 0.000 | 1.082 | 19.589 | 0.000 | 21.746 | 0.000 | 0.698 | 0.000 | 1.232 |
| 27 | 3.029 | 0.823 | 3.154 | 17.153 | 13.866 | 3.774 | 0.000 | 9.064 | 1.390 | 8.211 | 3.109 | 0.616 |
| 28 | 7.067 | 16.081 | 8.381 | 0.241 | 0.000 | 7.853 | 8.270 | 0.495 | 0.000 | 0.000 | 3.514 | 0.000 |
| 29 | 16.241 | - | 0.173 | 0.782 | 1.481 | 0.175 | 0.000 | 1.752 | 16.111 | 6.655 | 1.126 | 2.003 |
| 30 | 0.790 | - | 47.259 | 0.000 | 2.221 | 0.000 | 0.000 | 0.000 | 4.922 | 7.889 | 12.345 | 5.269 |
| 31 | 7.813 | - | 2.246 | - | 0.000 | - | 0.000 | 0.000 | - | 7.326 | - | 3.297 |
| Total | 172.82 | 142.10 | 263.77 | 156.96 | 204.52 | 190.77 | 147.72 | 86.64 | 102.13 | 193.28 | 166.71 | 128.91 |
| Hari Hujan | 20.00 | 15.00 | 25.00 | 18.00 | 27.00 | 20.00 | 19.00 | 18.00 | 21.00 | 23.00 | 17.00 | 21.00 |
| Max | 48.066 | 34.568 | 59.053 | 57.537 | 42.053 | 30.584 | 19.734 | 21.746 | 20.645 | 29.383 | 42.983 | 39.685 |
| Avg | 5.57 | 5.08 | 8.51 | 5.23 | 6.60 | 6.36 | 4.77 | 2.79 | 3.40 | 6.23 | 5.56 | 4.16 |
Berdasarkan data hujan TRMM di Grid TRMM-0541, yang terletak di Desa Bangio, Kecamatan Pinogu, Bone Bolango, Provinsi Gorontalo, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 1,956.33 mm. Dengan jumlah hari hujan tahunan adalah 244 hari (66.85%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 59.05 mm yang terjadi pada tanggal 3 Maret 1999.
