| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-0537 |
| Lokasi Stasiun | : | Desa Tangga Barito, Kecamatan Dulupi, Boalemo, Provinsi Gorontalo |
| Longitude | : | 122.375000 |
| Latitude | : | 0.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 17.165 | 17.190 | 0.000 | 0.445 | 11.884 | 0.000 | 2.352 | 0.000 | 1.187 | 9.500 | 13.015 | 0.000 |
| 2 | 1.651 | 0.000 | 0.000 | 7.118 | 3.893 | 0.000 | 1.104 | 0.421 | 7.367 | 0.000 | 6.350 | 7.210 |
| 3 | 9.909 | 9.990 | 67.799 | 28.100 | 0.000 | 0.179 | 1.104 | 0.000 | 0.000 | 3.549 | 13.330 | 3.729 |
| 4 | 0.000 | 0.000 | 0.000 | 18.462 | 3.005 | 0.000 | 11.810 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 5 | 83.524 | 0.450 | 26.612 | 32.845 | 12.567 | 0.000 | 6.289 | 0.000 | 0.000 | 0.000 | 2.432 | 1.740 |
| 6 | 0.000 | 0.000 | 1.943 | 0.000 | 0.000 | 0.000 | 6.337 | 0.281 | 0.000 | 16.598 | 0.000 | 4.268 |
| 7 | 0.000 | 0.720 | 0.000 | 0.000 | 0.068 | 0.000 | 27.796 | 0.000 | 3.561 | 34.711 | 0.000 | 0.000 |
| 8 | 5.805 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 18.114 | 0.000 | 0.000 |
| 9 | 0.000 | 0.000 | 1.026 | 7.637 | 3.005 | 0.000 | 2.400 | 23.712 | 0.000 | 0.148 | 0.000 | 0.000 |
| 10 | 8.808 | 0.000 | 21.052 | 0.000 | 6.010 | 0.000 | 0.000 | 3.613 | 0.000 | 1.294 | 4.278 | 0.000 |
| 11 | 1.101 | 0.000 | 16.410 | 0.000 | 3.517 | 0.000 | 6.673 | 0.912 | 0.000 | 6.284 | 30.894 | 27.971 |
| 12 | 0.000 | 0.000 | 0.000 | 0.000 | 16.119 | 0.000 | 2.832 | 3.473 | 5.098 | 0.259 | 24.184 | 0.000 |
| 13 | 0.000 | 0.000 | 0.000 | 0.000 | 68.130 | 0.000 | 0.000 | 11.505 | 4.574 | 0.000 | 28.552 | 0.000 |
| 14 | 0.150 | 8.640 | 0.000 | 23.281 | 0.751 | 9.860 | 1.968 | 0.000 | 0.000 | 0.000 | 10.899 | 0.000 |
| 15 | 0.000 | 0.360 | 3.401 | 8.601 | 0.000 | 22.619 | 0.000 | 0.000 | 5.656 | 0.000 | 1.126 | 0.000 |
| 16 | 0.000 | 0.000 | 0.000 | 0.000 | 1.639 | 2.600 | 0.960 | 0.351 | 5.901 | 5.471 | 5.990 | 28.220 |
| 17 | 0.000 | 0.000 | 8.097 | 8.823 | 24.896 | 18.018 | 11.618 | 0.281 | 5.656 | 0.000 | 9.908 | 18.233 |
| 18 | 0.000 | 5.940 | 0.756 | 0.000 | 2.391 | 0.000 | 16.899 | 0.912 | 0.000 | 1.368 | 0.000 | 3.812 |
| 19 | 3.953 | 12.060 | 6.424 | 0.000 | 0.000 | 1.942 | 11.042 | 1.578 | 0.000 | 1.922 | 0.000 | 24.780 |
| 20 | 0.100 | 8.910 | 0.000 | 0.667 | 0.000 | 0.000 | 1.776 | 0.000 | 0.000 | 11.386 | 0.000 | 0.000 |
| 21 | 3.453 | 0.000 | 29.689 | 0.000 | 0.000 | 19.870 | 0.000 | 0.000 | 4.364 | 13.604 | 0.000 | 0.332 |
| 22 | 10.659 | 0.000 | 11.390 | 0.000 | 0.000 | 0.000 | 0.240 | 0.000 | 0.000 | 2.551 | 0.000 | 0.000 |
| 23 | 19.617 | 4.050 | 8.691 | 0.000 | 3.005 | 5.259 | 0.000 | 0.000 | 0.000 | 0.000 | 0.045 | 0.000 |
| 24 | 0.000 | 0.000 | 0.000 | 21.427 | 22.266 | 12.520 | 0.000 | 0.000 | 16.864 | 0.000 | 0.000 | 17.984 |
| 25 | 1.601 | 1.530 | 3.131 | 0.000 | 1.093 | 18.884 | 0.000 | 20.765 | 0.000 | 0.850 | 7.161 | 10.981 |
| 26 | 17.265 | 0.000 | 9.123 | 0.667 | 0.000 | 0.000 | 0.000 | 23.852 | 0.000 | 0.702 | 0.585 | 0.000 |
| 27 | 23.471 | 0.000 | 0.000 | 0.000 | 4.201 | 6.424 | 2.688 | 7.436 | 2.200 | 3.955 | 10.944 | 0.000 |
| 28 | 2.002 | 11.880 | 1.943 | 0.000 | 3.415 | 23.695 | 4.609 | 0.000 | 0.000 | 0.702 | 4.594 | 0.000 |
| 29 | 23.020 | - | 0.000 | 19.500 | 0.478 | 3.556 | 1.104 | 0.000 | 0.000 | 4.473 | 0.000 | 3.398 |
| 30 | 0.000 | - | 51.227 | 1.112 | 0.000 | 0.000 | 0.000 | 0.000 | 13.791 | 32.161 | 2.432 | 2.403 |
| 31 | 0.000 | - | 2.321 | - | 0.000 | - | 0.000 | 1.158 | - | 0.554 | - | 1.077 |
| Total | 233.25 | 81.72 | 271.04 | 178.69 | 192.33 | 145.43 | 121.60 | 100.25 | 76.22 | 170.16 | 176.72 | 156.14 |
| Hari Hujan | 18.00 | 12.00 | 18.00 | 14.00 | 20.00 | 13.00 | 20.00 | 15.00 | 12.00 | 22.00 | 18.00 | 15.00 |
| Max | 83.524 | 17.190 | 67.799 | 32.845 | 68.130 | 23.695 | 27.796 | 23.852 | 16.864 | 34.711 | 30.894 | 28.220 |
| Avg | 7.52 | 2.92 | 8.74 | 5.96 | 6.20 | 4.85 | 3.92 | 3.23 | 2.54 | 5.49 | 5.89 | 5.04 |
Berdasarkan data hujan TRMM di Grid TRMM-0537, yang terletak di Desa Tangga Barito, Kecamatan Dulupi, Boalemo, Provinsi Gorontalo, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 1,903.54 mm. Dengan jumlah hari hujan tahunan adalah 197 hari (53.97%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 83.52 mm yang terjadi pada tanggal 5 Januari 1999.
