| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-2288 |
| Lokasi Stasiun | : | Desa Gumiwang Lor, Kecamatan Wuryantoro, Wonogiri, Provinsi Jawa Tengah |
| Longitude | : | 110.875000 |
| Latitude | : | -7.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.000 | 0.000 | 18.150 | 17.287 | 6.053 | 0.000 | 6.133 | 1.690 | 0.000 | 0.689 | 24.153 | 4.359 |
| 2 | 0.000 | 0.133 | 9.120 | 22.939 | 20.719 | 0.000 | 0.000 | 1.368 | 0.000 | 0.000 | 19.795 | 0.090 |
| 3 | 0.000 | 24.962 | 1.392 | 2.429 | 5.138 | 7.354 | 0.000 | 0.000 | 0.000 | 0.000 | 17.874 | 2.417 |
| 4 | 0.000 | 14.105 | 4.737 | 0.000 | 3.640 | 7.601 | 0.000 | 0.000 | 0.000 | 0.000 | 30.382 | 0.000 |
| 5 | 0.000 | 27.499 | 1.273 | 0.690 | 0.458 | 22.514 | 10.128 | 0.000 | 0.000 | 0.000 | 33.434 | 0.000 |
| 6 | 3.840 | 11.436 | 0.563 | 17.569 | 0.000 | 0.762 | 14.490 | 0.000 | 0.000 | 23.493 | 4.309 | 5.082 |
| 7 | 0.000 | 0.000 | 1.214 | 36.620 | 2.371 | 0.000 | 12.849 | 0.000 | 0.000 | 2.123 | 0.074 | 0.000 |
| 8 | 0.000 | 0.000 | 7.994 | 0.000 | 1.747 | 0.000 | 2.937 | 0.000 | 0.975 | 0.000 | 4.407 | 0.000 |
| 9 | 13.657 | 3.471 | 13.975 | 20.867 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.213 | 22.380 | 0.904 |
| 10 | 0.000 | 6.229 | 5.182 | 16.699 | 0.000 | 0.000 | 1.684 | 0.000 | 0.000 | 0.000 | 9.036 | 0.000 |
| 11 | 0.000 | 2.136 | 9.001 | 49.893 | 8.487 | 0.515 | 7.753 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 12 | 0.000 | 3.782 | 9.120 | 0.921 | 0.062 | 13.904 | 1.058 | 0.000 | 0.000 | 0.496 | 0.419 | 0.000 |
| 13 | 0.000 | 0.000 | 6.632 | 3.606 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 11.250 | 0.000 | 0.000 |
| 14 | 12.940 | 12.681 | 8.527 | 3.938 | 0.000 | 2.472 | 0.000 | 0.302 | 0.000 | 0.496 | 0.000 | 1.378 |
| 15 | 0.000 | 11.436 | 24.191 | 10.229 | 0.000 | 45.131 | 0.000 | 0.000 | 0.207 | 8.465 | 2.757 | 24.349 |
| 16 | 16.807 | 0.000 | 1.125 | 5.038 | 0.000 | 0.000 | 0.518 | 0.000 | 0.000 | 14.669 | 13.960 | 27.715 |
| 17 | 29.142 | 65.232 | 3.701 | 1.381 | 0.291 | 1.359 | 0.000 | 0.000 | 0.000 | 16.710 | 5.810 | 19.538 |
| 18 | 1.111 | 8.632 | 20.934 | 9.973 | 0.000 | 22.844 | 0.000 | 0.000 | 0.000 | 8.465 | 10.538 | 44.678 |
| 19 | 3.741 | 33.506 | 24.309 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 26.967 | 0.246 | 14.546 |
| 20 | 3.136 | 46.054 | 0.592 | 11.329 | 0.000 | 1.092 | 0.367 | 6.098 | 0.000 | 21.590 | 0.517 | 31.600 |
| 21 | 0.478 | 12.503 | 0.000 | 6.061 | 0.000 | 26.613 | 0.000 | 0.000 | 0.473 | 4.026 | 0.000 | 2.191 |
| 22 | 0.000 | 20.068 | 34.731 | 2.864 | 0.000 | 1.112 | 3.779 | 0.000 | 1.772 | 7.279 | 0.000 | 20.103 |
| 23 | 1.027 | 14.550 | 14.627 | 2.071 | 0.000 | 10.114 | 5.939 | 1.509 | 0.000 | 27.464 | 0.000 | 0.158 |
| 24 | 0.155 | 2.892 | 4.293 | 4.322 | 0.000 | 0.000 | 3.758 | 0.000 | 1.004 | 1.131 | 0.000 | 1.897 |
| 25 | 19.634 | 2.625 | 18.979 | 19.793 | 0.000 | 0.000 | 0.000 | 0.000 | 1.624 | 11.250 | 0.000 | 4.518 |
| 26 | 0.000 | 46.187 | 27.477 | 19.359 | 0.686 | 6.921 | 7.407 | 2.516 | 10.336 | 4.853 | 0.000 | 13.869 |
| 27 | 6.146 | 35.864 | 9.653 | 10.715 | 0.000 | 0.000 | 19.414 | 2.998 | 6.261 | 27.657 | 13.566 | 11.271 |
| 28 | 0.591 | 15.618 | 4.175 | 31.506 | 0.000 | 5.953 | 13.518 | 12.336 | 13.083 | 12.960 | 14.132 | 1.378 |
| 29 | 14.487 | - | 3.464 | 9.615 | 0.000 | 2.904 | 0.000 | 0.000 | 0.000 | 18.916 | 1.009 | 15.360 |
| 30 | 0.844 | - | 0.770 | 18.745 | 0.000 | 0.000 | 8.444 | 0.000 | 0.000 | 9.678 | 29.840 | 11.294 |
| 31 | 4.430 | - | 36.153 | - | 0.062 | - | 0.065 | 0.845 | - | 12.381 | - | 2.485 |
| Total | 132.17 | 421.60 | 326.05 | 356.46 | 49.71 | 179.17 | 120.24 | 29.66 | 35.74 | 274.22 | 258.64 | 261.18 |
| Hari Hujan | 17.00 | 23.00 | 30.00 | 27.00 | 12.00 | 17.00 | 18.00 | 9.00 | 9.00 | 24.00 | 21.00 | 23.00 |
| Max | 29.142 | 65.232 | 36.153 | 49.893 | 20.719 | 45.131 | 19.414 | 12.336 | 13.083 | 27.657 | 33.434 | 44.678 |
| Avg | 4.26 | 15.06 | 10.52 | 11.88 | 1.60 | 5.97 | 3.88 | 0.96 | 1.19 | 8.85 | 8.62 | 8.43 |
Berdasarkan data hujan TRMM di Grid TRMM-2288, yang terletak di Desa Gumiwang Lor, Kecamatan Wuryantoro, Wonogiri, Provinsi Jawa Tengah, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,444.84 mm. Dengan jumlah hari hujan tahunan adalah 230 hari (63.01%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 65.23 mm yang terjadi pada tanggal 17 Februari 1998.