| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-0727 |
| Lokasi Stasiun | : | Desa Kota Lama, Kecamatan Rengat Barat, Indragiri Hulu, Provinsi Riau |
| Longitude | : | 102.375000 |
| Latitude | : | -0.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3.167 | 9.044 | 2.389 | 0.145 | 4.451 | 0.000 | 0.000 | 0.000 | 0.000 | 0.937 | 8.528 | 0.000 |
| 2 | 3.605 | 6.316 | 1.460 | 0.000 | 0.536 | 0.000 | 0.000 | 0.000 | 4.723 | 0.000 | 1.154 | 9.780 |
| 3 | 10.628 | 0.000 | 73.737 | 19.676 | 0.000 | 0.000 | 0.774 | 0.000 | 0.000 | 11.041 | 0.000 | 11.694 |
| 4 | 0.000 | 22.742 | 0.000 | 0.000 | 4.229 | 7.735 | 11.722 | 0.000 | 12.138 | 15.696 | 0.000 | 0.000 |
| 5 | 1.975 | 0.178 | 8.031 | 0.000 | 3.250 | 17.030 | 16.365 | 0.000 | 7.604 | 2.923 | 0.000 | 57.406 |
| 6 | 0.000 | 0.030 | 2.920 | 20.520 | 13.888 | 1.228 | 5.990 | 0.000 | 0.000 | 14.021 | 0.000 | 1.701 |
| 7 | 0.000 | 0.000 | 1.493 | 55.122 | 2.992 | 0.000 | 21.037 | 12.004 | 5.762 | 0.000 | 2.020 | 14.033 |
| 8 | 0.345 | 2.372 | 3.783 | 0.000 | 8.089 | 0.000 | 0.000 | 9.063 | 37.404 | 0.312 | 4.681 | 0.000 |
| 9 | 8.434 | 0.059 | 9.590 | 0.627 | 16.954 | 1.228 | 0.000 | 9.869 | 22.433 | 3.633 | 14.907 | 1.878 |
| 10 | 2.383 | 0.000 | 9.955 | 1.133 | 0.831 | 0.000 | 19.862 | 0.000 | 0.000 | 28.014 | 0.000 | 2.481 |
| 11 | 0.000 | 15.626 | 0.000 | 1.519 | 0.425 | 21.445 | 0.000 | 3.867 | 0.000 | 27.105 | 12.695 | 0.000 |
| 12 | 0.000 | 47.887 | 0.033 | 1.977 | 0.000 | 8.764 | 0.000 | 1.208 | 0.000 | 0.312 | 87.136 | 0.000 |
| 13 | 25.834 | 1.067 | 0.166 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.469 | 16.703 | 2.232 |
| 14 | 49.003 | 22.416 | 3.617 | 0.000 | 5.577 | 0.000 | 0.000 | 0.000 | 7.556 | 2.526 | 20.229 | 0.213 |
| 15 | 22.981 | 0.000 | 7.201 | 0.000 | 12.983 | 30.142 | 28.689 | 3.827 | 0.000 | 11.296 | 0.000 | 0.000 |
| 16 | 27.151 | 4.299 | 1.029 | 0.000 | 3.546 | 0.000 | 0.602 | 0.000 | 0.000 | 0.000 | 27.410 | 0.213 |
| 17 | 34.330 | 18.413 | 0.000 | 25.921 | 3.860 | 0.000 | 0.000 | 13.695 | 0.000 | 0.000 | 6.123 | 55.776 |
| 18 | 14.171 | 0.000 | 4.878 | 11.405 | 6.667 | 0.000 | 0.000 | 0.000 | 0.000 | 35.648 | 0.962 | 16.903 |
| 19 | 1.035 | 1.601 | 7.467 | 0.000 | 0.739 | 0.000 | 0.000 | 14.340 | 0.000 | 11.949 | 62.194 | 1.311 |
| 20 | 11.882 | 0.000 | 0.000 | 0.000 | 0.000 | 2.158 | 0.000 | 3.222 | 0.000 | 21.571 | 1.795 | 5.705 |
| 21 | 0.000 | 0.000 | 53.494 | 0.265 | 4.876 | 22.706 | 0.000 | 12.729 | 0.000 | 3.179 | 33.149 | 3.118 |
| 22 | 0.000 | 0.000 | 1.029 | 0.000 | 4.118 | 2.158 | 0.000 | 0.000 | 0.000 | 7.010 | 0.000 | 32.849 |
| 23 | 30.850 | 0.000 | 17.820 | 0.145 | 2.770 | 0.000 | 0.000 | 0.000 | 12.185 | 5.847 | 3.911 | 10.631 |
| 24 | 30.317 | 0.000 | 4.712 | 0.000 | 1.071 | 2.091 | 0.000 | 0.000 | 2.975 | 8.231 | 0.000 | 0.000 |
| 25 | 0.000 | 25.292 | 30.132 | 4.413 | 0.554 | 8.963 | 0.516 | 9.949 | 2.503 | 51.543 | 0.000 | 0.000 |
| 26 | 3.229 | 23.602 | 4.712 | 0.000 | 0.000 | 3.220 | 1.806 | 4.834 | 7.037 | 4.314 | 0.000 | 0.000 |
| 27 | 0.000 | 1.749 | 20.342 | 1.519 | 0.000 | 0.000 | 0.000 | 0.000 | 15.632 | 18.023 | 4.649 | 0.000 |
| 28 | 3.982 | 0.000 | 0.697 | 1.326 | 0.000 | 0.000 | 0.000 | 1.208 | 4.534 | 1.845 | 13.593 | 0.000 |
| 29 | 0.000 | - | 27.975 | 4.654 | 0.000 | 10.324 | 0.000 | 6.445 | 0.000 | 0.937 | 3.687 | 0.000 |
| 30 | 0.219 | - | 0.000 | 1.157 | 0.000 | 0.000 | 4.213 | 0.000 | 7.462 | 4.853 | 2.981 | 4.465 |
| 31 | 16.773 | - | 80.150 | - | 0.000 | - | 0.000 | 9.063 | - | 0.000 | - | 6.804 |
| Total | 302.29 | 202.69 | 378.81 | 151.52 | 102.41 | 139.19 | 111.58 | 115.32 | 149.95 | 295.24 | 328.51 | 239.19 |
| Hari Hujan | 21.00 | 17.00 | 26.00 | 17.00 | 21.00 | 14.00 | 11.00 | 15.00 | 14.00 | 26.00 | 20.00 | 19.00 |
| Max | 49.003 | 47.887 | 80.150 | 55.122 | 16.954 | 30.142 | 28.689 | 14.340 | 37.404 | 51.543 | 87.136 | 57.406 |
| Avg | 9.75 | 7.24 | 12.22 | 5.05 | 3.30 | 4.64 | 3.60 | 3.72 | 5.00 | 9.52 | 10.95 | 7.72 |
Berdasarkan data hujan TRMM di Grid TRMM-0727, yang terletak di Desa Kota Lama, Kecamatan Rengat Barat, Indragiri Hulu, Provinsi Riau, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 2,516.70 mm. Dengan jumlah hari hujan tahunan adalah 221 hari (60.55%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 87.14 mm yang terjadi pada tanggal 12 November 1999.
