| Tahun Data | : | 2008 |
| Nama Stasiun | : | TRMM-0786 |
| Lokasi Stasiun | : | Desa Penyaguan, Kecamatan Batang Gangsal, Indragiri Hulu, Provinsi Riau |
| Longitude | : | 102.625000 |
| Latitude | : | -0.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4.147 | 0.000 | 0.000 | 7.392 | 0.820 | 0.000 | 4.810 | 0.000 | 4.883 | 3.864 | 1.127 | 0.000 |
| 2 | 0.000 | 8.359 | 8.211 | 21.696 | 4.235 | 0.000 | 0.000 | 0.000 | 28.352 | 0.310 | 10.281 | 3.752 |
| 3 | 5.529 | 4.194 | 12.647 | 4.872 | 0.000 | 4.660 | 0.000 | 0.000 | 1.470 | 19.989 | 0.671 | 29.469 |
| 4 | 0.000 | 0.295 | 2.179 | 46.111 | 12.842 | 1.599 | 0.000 | 0.000 | 15.909 | 1.431 | 0.913 | 0.000 |
| 5 | 3.317 | 0.000 | 20.079 | 15.861 | 0.000 | 2.449 | 0.000 | 0.000 | 2.310 | 6.154 | 12.750 | 10.564 |
| 6 | 0.000 | 0.000 | 4.397 | 4.503 | 3.301 | 1.123 | 0.000 | 0.000 | 9.451 | 1.384 | 4.187 | 0.000 |
| 7 | 10.643 | 0.000 | 3.308 | 0.000 | 35.405 | 41.601 | 0.000 | 0.000 | 7.167 | 14.384 | 5.100 | 66.806 |
| 8 | 9.019 | 0.591 | 5.370 | 82.280 | 0.000 | 0.000 | 5.939 | 0.000 | 3.308 | 0.000 | 0.000 | 2.441 |
| 9 | 0.000 | 6.675 | 4.514 | 0.000 | 1.776 | 0.000 | 11.436 | 0.000 | 62.401 | 0.000 | 5.959 | 0.000 |
| 10 | 16.034 | 0.000 | 13.658 | 8.440 | 0.000 | 0.000 | 0.000 | 43.368 | 20.582 | 0.000 | 35.593 | 0.000 |
| 11 | 6.116 | 0.000 | 10.195 | 5.042 | 0.000 | 0.000 | 9.792 | 1.031 | 0.000 | 9.422 | 1.235 | 0.000 |
| 12 | 10.159 | 0.000 | 19.106 | 1.671 | 1.002 | 0.000 | 0.000 | 25.070 | 2.914 | 0.000 | 7.274 | 0.000 |
| 13 | 0.000 | 0.000 | 0.000 | 15.918 | 0.000 | 0.884 | 0.000 | 0.000 | 15.620 | 0.310 | 6.388 | 5.245 |
| 14 | 2.315 | 0.000 | 0.000 | 3.654 | 0.000 | 0.000 | 0.000 | 2.018 | 1.208 | 0.000 | 129.513 | 5.974 |
| 15 | 0.000 | 1.270 | 13.619 | 24.047 | 0.000 | 0.000 | 2.405 | 1.121 | 4.122 | 0.000 | 2.765 | 3.169 |
| 16 | 0.000 | 0.000 | 19.534 | 44.440 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.385 | 7.677 | 0.000 |
| 17 | 0.000 | 0.000 | 1.790 | 0.000 | 0.000 | 12.518 | 0.000 | 0.000 | 0.000 | 0.000 | 73.118 | 0.000 |
| 18 | 0.000 | 0.000 | 11.479 | 22.036 | 0.000 | 4.116 | 0.000 | 0.000 | 0.000 | 0.000 | 0.591 | 0.000 |
| 19 | 7.671 | 0.000 | 35.371 | 2.861 | 0.000 | 0.000 | 0.000 | 1.121 | 0.000 | 16.698 | 35.297 | 0.984 |
| 20 | 0.000 | 0.000 | 2.841 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 11.855 | 40.156 | 0.000 |
| 21 | 0.242 | 0.000 | 11.557 | 3.540 | 0.000 | 1.191 | 18.553 | 2.108 | 0.000 | 9.422 | 8.455 | 0.000 |
| 22 | 26.090 | 0.591 | 14.086 | 7.364 | 0.000 | 0.000 | 4.417 | 12.602 | 0.368 | 21.254 | 0.698 | 5.865 |
| 23 | 2.834 | 0.000 | 0.973 | 2.238 | 0.000 | 0.000 | 0.000 | 43.771 | 0.000 | 5.081 | 28.399 | 7.030 |
| 24 | 0.000 | 39.817 | 1.751 | 0.000 | 0.000 | 0.000 | 0.957 | 0.314 | 0.000 | 2.242 | 0.671 | 0.000 |
| 25 | 2.695 | 48.767 | 0.856 | 0.000 | 0.000 | 0.000 | 33.253 | 0.000 | 36.385 | 1.598 | 5.288 | 0.000 |
| 26 | 3.248 | 11.638 | 0.000 | 0.000 | 3.711 | 0.000 | 6.062 | 1.480 | 4.699 | 10.090 | 3.731 | 0.000 |
| 27 | 0.000 | 23.512 | 0.000 | 0.000 | 0.000 | 5.170 | 0.712 | 25.967 | 0.000 | 4.222 | 0.000 | 0.000 |
| 28 | 44.439 | 40.467 | 0.272 | 0.000 | 0.501 | 64.698 | 0.000 | 15.741 | 8.926 | 0.954 | 0.000 | 0.000 |
| 29 | 2.142 | 11.136 | 0.000 | 2.946 | 0.546 | 4.218 | 0.000 | 0.538 | 0.788 | 40.647 | 0.000 | 0.000 |
| 30 | 4.665 | - | 36.889 | 13.624 | 4.098 | 0.000 | 0.000 | 2.960 | 67.993 | 0.620 | 0.000 | 0.000 |
| 31 | 35.984 | - | 0.000 | - | 0.888 | - | 0.000 | 4.216 | - | 2.338 | - | 0.000 |
| Total | 197.29 | 197.31 | 254.68 | 340.54 | 69.13 | 144.23 | 98.34 | 183.43 | 298.86 | 186.65 | 427.84 | 141.30 |
| Hari Hujan | 19.00 | 13.00 | 24.00 | 21.00 | 12.00 | 12.00 | 11.00 | 16.00 | 20.00 | 23.00 | 25.00 | 11.00 |
| Max | 44.439 | 48.767 | 36.889 | 82.280 | 35.405 | 64.698 | 33.253 | 43.771 | 67.993 | 40.647 | 129.513 | 66.806 |
| Avg | 6.36 | 6.80 | 8.22 | 11.35 | 2.23 | 4.81 | 3.17 | 5.92 | 9.96 | 6.02 | 14.26 | 4.56 |
Berdasarkan data hujan TRMM di Grid TRMM-0786, yang terletak di Desa Penyaguan, Kecamatan Batang Gangsal, Indragiri Hulu, Provinsi Riau, curah hujan tahunan yang terjadi pada tahun 2008 adalah sebesar 2,539.58 mm. Dengan jumlah hari hujan tahunan adalah 207 hari (56.71%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 129.51 mm yang terjadi pada tanggal 14 November 2008.