| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-2290 |
| Lokasi Stasiun | : | Desa Blembem, Kecamatan Jambon, Ponorogo, Provinsi Jawa Timur |
| Longitude | : | 111.375000 |
| Latitude | : | -7.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.000 | 0.000 | 5.039 | 5.460 | 3.425 | 0.000 | 4.315 | 0.000 | 0.000 | 0.106 | 21.718 | 11.476 |
| 2 | 0.000 | 0.000 | 14.959 | 0.000 | 15.969 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.382 | 1.058 |
| 3 | 0.000 | 11.551 | 5.795 | 7.160 | 5.063 | 4.237 | 0.000 | 5.053 | 0.000 | 0.000 | 1.281 | 2.063 |
| 4 | 9.006 | 37.399 | 11.841 | 3.629 | 0.811 | 20.588 | 0.000 | 0.000 | 0.000 | 0.000 | 46.525 | 1.243 |
| 5 | 10.122 | 17.475 | 2.142 | 0.000 | 0.496 | 1.773 | 27.992 | 0.000 | 0.000 | 0.000 | 44.466 | 0.000 |
| 6 | 3.511 | 19.295 | 0.000 | 1.471 | 0.376 | 0.000 | 6.385 | 0.000 | 0.000 | 5.978 | 10.523 | 28.003 |
| 7 | 3.805 | 0.265 | 0.000 | 6.277 | 3.395 | 0.000 | 17.971 | 1.173 | 0.000 | 0.000 | 1.827 | 0.000 |
| 8 | 0.000 | 0.364 | 28.029 | 0.000 | 3.004 | 0.000 | 12.799 | 0.000 | 0.000 | 1.124 | 0.000 | 0.000 |
| 9 | 25.740 | 7.050 | 11.999 | 32.498 | 0.000 | 0.415 | 0.000 | 0.000 | 0.000 | 0.000 | 23.651 | 0.000 |
| 10 | 0.000 | 4.898 | 50.830 | 7.651 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.592 | 0.000 |
| 11 | 0.000 | 3.475 | 15.747 | 33.774 | 5.468 | 4.283 | 7.803 | 0.000 | 0.000 | 0.954 | 0.000 | 0.000 |
| 12 | 0.000 | 0.000 | 1.606 | 9.743 | 1.172 | 8.728 | 2.808 | 0.000 | 0.000 | 2.395 | 0.336 | 0.820 |
| 13 | 0.000 | 0.000 | 13.385 | 27.725 | 0.000 | 1.451 | 0.000 | 0.000 | 0.000 | 8.606 | 0.000 | 0.000 |
| 14 | 5.935 | 26.279 | 21.258 | 20.794 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.832 | 21.613 | 4.442 |
| 15 | 0.000 | 13.801 | 34.170 | 8.762 | 0.000 | 53.426 | 0.000 | 0.000 | 0.000 | 0.000 | 10.082 | 27.765 |
| 16 | 5.539 | 0.827 | 6.582 | 5.493 | 0.000 | 0.115 | 0.857 | 0.000 | 0.000 | 12.994 | 31.002 | 46.646 |
| 17 | 12.884 | 47.130 | 4.661 | 17.230 | 0.496 | 0.000 | 0.000 | 0.000 | 0.000 | 18.018 | 0.063 | 22.794 |
| 18 | 1.102 | 20.354 | 20.975 | 12.816 | 0.000 | 8.820 | 3.665 | 0.000 | 0.000 | 27.430 | 15.732 | 67.139 |
| 19 | 36.920 | 26.941 | 31.808 | 0.000 | 0.000 | 0.415 | 0.000 | 0.000 | 0.000 | 30.271 | 0.546 | 23.032 |
| 20 | 0.338 | 57.357 | 0.000 | 2.321 | 0.000 | 9.234 | 0.000 | 8.271 | 0.000 | 5.151 | 0.000 | 23.270 |
| 21 | 1.440 | 2.118 | 6.267 | 0.915 | 0.000 | 23.052 | 0.591 | 0.000 | 0.167 | 14.923 | 0.000 | 16.395 |
| 22 | 1.528 | 6.983 | 28.281 | 3.629 | 0.000 | 0.944 | 5.380 | 0.000 | 2.298 | 2.523 | 0.000 | 26.549 |
| 23 | 1.058 | 8.903 | 17.006 | 6.474 | 0.000 | 14.163 | 1.360 | 1.805 | 3.930 | 2.777 | 0.000 | 2.433 |
| 24 | 6.861 | 0.000 | 4.755 | 5.754 | 0.000 | 0.000 | 25.745 | 0.000 | 4.863 | 1.145 | 0.000 | 0.529 |
| 25 | 16.748 | 19.726 | 8.472 | 20.107 | 0.000 | 0.000 | 0.000 | 1.203 | 8.827 | 5.469 | 0.000 | 2.168 |
| 26 | 0.103 | 17.773 | 4.630 | 32.041 | 0.135 | 13.495 | 12.385 | 1.023 | 4.430 | 0.148 | 0.000 | 29.352 |
| 27 | 1.440 | 34.321 | 11.653 | 6.408 | 0.000 | 0.000 | 9.813 | 2.406 | 15.055 | 19.354 | 9.200 | 22.450 |
| 28 | 1.616 | 16.515 | 14.046 | 10.528 | 0.000 | 4.191 | 28.346 | 0.000 | 2.731 | 24.102 | 1.449 | 1.296 |
| 29 | 8.653 | - | 10.739 | 10.658 | 0.000 | 2.418 | 0.621 | 0.000 | 0.000 | 10.112 | 0.693 | 0.238 |
| 30 | 0.162 | - | 0.000 | 18.865 | 0.000 | 0.000 | 0.059 | 0.000 | 0.000 | 10.048 | 21.004 | 22.450 |
| 31 | 4.980 | - | 19.715 | - | 0.105 | - | 9.872 | 0.000 | - | 9.158 | - | 1.957 |
| Total | 159.49 | 400.80 | 406.39 | 318.18 | 39.92 | 171.75 | 178.77 | 20.93 | 42.30 | 223.62 | 268.69 | 385.57 |
| Hari Hujan | 22.00 | 23.00 | 27.00 | 26.00 | 13.00 | 18.00 | 19.00 | 7.00 | 8.00 | 23.00 | 20.00 | 24.00 |
| Max | 36.920 | 57.357 | 50.830 | 33.774 | 15.969 | 53.426 | 28.346 | 8.271 | 15.055 | 30.271 | 46.525 | 67.139 |
| Avg | 5.14 | 14.31 | 13.11 | 10.61 | 1.29 | 5.72 | 5.77 | 0.68 | 1.41 | 7.21 | 8.96 | 12.44 |
Berdasarkan data hujan TRMM di Grid TRMM-2290, yang terletak di Desa Blembem, Kecamatan Jambon, Ponorogo, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,616.40 mm. Dengan jumlah hari hujan tahunan adalah 230 hari (63.01%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 67.14 mm yang terjadi pada tanggal 18 Desember 1998.