| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-1781 |
| Lokasi Stasiun | : | Desa Tawanga, Kecamatan Uluiwoi, Kolaka Timur, Provinsi Sulawesi Tenggara |
| Longitude | : | 121.625000 |
| Latitude | : | -3.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4.200 | 0.000 | 4.162 | 2.645 | 35.974 | 0.000 | 0.000 | 31.469 | 0.000 | 0.000 | 0.000 | 2.833 |
| 2 | 1.228 | 0.000 | 0.000 | 0.000 | 48.519 | 12.002 | 6.396 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 3 | 0.000 | 0.000 | 1.684 | 7.848 | 12.389 | 0.000 | 11.422 | 0.000 | 0.000 | 0.000 | 0.000 | 2.667 |
| 4 | 2.068 | 0.000 | 0.927 | 9.832 | 34.678 | 0.000 | 9.003 | 2.940 | 0.000 | 90.733 | 6.375 | 0.145 |
| 5 | 0.000 | 1.478 | 3.045 | 0.000 | 0.156 | 0.000 | 9.487 | 6.247 | 0.000 | 3.590 | 9.065 | 0.000 |
| 6 | 5.299 | 6.099 | 0.000 | 9.127 | 0.570 | 19.587 | 0.000 | 0.735 | 0.000 | 2.821 | 20.820 | 0.000 |
| 7 | 0.000 | 7.762 | 0.000 | 15.035 | 11.093 | 12.980 | 15.668 | 0.000 | 0.000 | 12.258 | 3.334 | 0.476 |
| 8 | 11.664 | 4.689 | 4.899 | 6.966 | 9.434 | 0.000 | 14.109 | 0.000 | 21.586 | 0.821 | 1.111 | 0.000 |
| 9 | 0.000 | 11.250 | 1.948 | 24.470 | 17.987 | 77.878 | 62.779 | 0.000 | 11.928 | 17.028 | 0.000 | 0.310 |
| 10 | 0.000 | 0.000 | 1.986 | 0.000 | 5.546 | 7.936 | 23.112 | 0.000 | 0.000 | 23.029 | 15.966 | 1.034 |
| 11 | 3.037 | 9.171 | 0.000 | 4.806 | 0.000 | 7.741 | 29.589 | 2.639 | 0.061 | 4.462 | 1.638 | 0.000 |
| 12 | 0.679 | 0.000 | 4.634 | 23.368 | 0.000 | 0.000 | 8.304 | 7.717 | 0.000 | 0.000 | 32.867 | 0.310 |
| 13 | 0.000 | 0.000 | 0.984 | 8.862 | 17.676 | 2.580 | 0.000 | 6.247 | 3.710 | 0.000 | 70.238 | 5.231 |
| 14 | 0.000 | 0.000 | 0.000 | 0.000 | 0.311 | 0.000 | 9.970 | 5.111 | 0.000 | 0.000 | 2.515 | 0.000 |
| 15 | 0.000 | 14.900 | 10.328 | 21.825 | 70.134 | 0.000 | 0.000 | 1.203 | 3.128 | 0.000 | 0.000 | 0.310 |
| 16 | 0.000 | 7.046 | 0.000 | 41.622 | 0.000 | 0.000 | 0.027 | 11.158 | 0.000 | 4.719 | 0.000 | 0.000 |
| 17 | 0.000 | 0.000 | 0.000 | 0.000 | 1.762 | 5.552 | 0.000 | 21.313 | 0.000 | 0.000 | 0.000 | 1.034 |
| 18 | 4.588 | 1.086 | 1.211 | 7.319 | 0.000 | 6.803 | 0.000 | 0.000 | 9.107 | 0.000 | 0.000 | 7.547 |
| 19 | 8.627 | 11.042 | 6.015 | 0.000 | 0.000 | 7.936 | 0.000 | 0.000 | 2.054 | 0.000 | 1.871 | 0.000 |
| 20 | 5.299 | 25.203 | 4.502 | 0.000 | 2.903 | 10.204 | 1.451 | 12.394 | 0.000 | 0.000 | 0.000 | 1.034 |
| 21 | 0.679 | 0.000 | 0.000 | 3.615 | 24.830 | 6.255 | 2.768 | 0.000 | 0.123 | 11.540 | 4.445 | 7.919 |
| 22 | 0.097 | 0.832 | 8.777 | 26.366 | 4.458 | 27.484 | 5.832 | 6.047 | 3.128 | 0.000 | 3.918 | 1.365 |
| 23 | 5.202 | 16.378 | 3.121 | 2.954 | 0.052 | 6.294 | 11.126 | 3.708 | 28.301 | 7.694 | 0.000 | 0.000 |
| 24 | 0.388 | 7.023 | 2.554 | 3.307 | 0.000 | 51.059 | 14.781 | 1.871 | 10.425 | 5.642 | 4.854 | 0.000 |
| 25 | 6.236 | 0.000 | 2.081 | 0.000 | 0.000 | 28.774 | 23.892 | 8.218 | 6.960 | 0.000 | 0.000 | 4.921 |
| 26 | 5.816 | 2.125 | 5.051 | 0.000 | 0.000 | 0.000 | 3.064 | 81.713 | 3.158 | 5.745 | 8.129 | 0.848 |
| 27 | 4.847 | 1.709 | 0.984 | 20.458 | 1.348 | 2.815 | 0.000 | 4.376 | 3.220 | 5.232 | 4.854 | 1.882 |
| 28 | 0.000 | 0.000 | 18.973 | 1.675 | 3.369 | 11.729 | 1.720 | 0.000 | 0.000 | 0.000 | 3.743 | 3.163 |
| 29 | 18.870 | - | 3.708 | 26.719 | 2.955 | 0.000 | 3.951 | 0.000 | 3.710 | 0.000 | 3.567 | 0.848 |
| 30 | 10.307 | - | 0.000 | 8.377 | 0.000 | 0.039 | 13.195 | 0.000 | 7.175 | 44.110 | 0.000 | 5.190 |
| 31 | 0.000 | - | 12.693 | - | 3.629 | - | 9.817 | 0.000 | - | 9.540 | - | 0.000 |
| Total | 99.13 | 127.79 | 104.27 | 277.20 | 309.77 | 305.65 | 291.46 | 215.11 | 117.77 | 248.96 | 199.31 | 49.07 |
| Hari Hujan | 19.00 | 16.00 | 22.00 | 21.00 | 22.00 | 19.00 | 23.00 | 18.00 | 16.00 | 16.00 | 18.00 | 20.00 |
| Max | 18.870 | 25.203 | 18.973 | 41.622 | 70.134 | 77.878 | 62.779 | 81.713 | 28.301 | 90.733 | 70.238 | 7.919 |
| Avg | 3.20 | 4.56 | 3.36 | 9.24 | 9.99 | 10.19 | 9.40 | 6.94 | 3.93 | 8.03 | 6.64 | 1.58 |
Berdasarkan data hujan TRMM di Grid TRMM-1781, yang terletak di Desa Tawanga, Kecamatan Uluiwoi, Kolaka Timur, Provinsi Sulawesi Tenggara, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,345.49 mm. Dengan jumlah hari hujan tahunan adalah 230 hari (63.01%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 90.73 mm yang terjadi pada tanggal 4 Oktober 1998.
