| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-2231 |
| Lokasi Stasiun | : | Desa Bobol, Kecamatan Sekar, Bojonegoro, Provinsi Jawa Timur |
| Longitude | : | 111.625000 |
| Latitude | : | -7.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.300 | 0.000 | 11.356 | 26.613 | 1.573 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.924 | 1.758 |
| 2 | 1.147 | 5.264 | 8.049 | 0.000 | 6.112 | 1.928 | 0.253 | 0.000 | 0.000 | 0.744 | 14.224 | 0.000 |
| 3 | 0.621 | 9.721 | 1.696 | 0.908 | 0.000 | 8.398 | 4.333 | 0.887 | 0.000 | 0.000 | 0.420 | 13.574 |
| 4 | 0.000 | 19.099 | 2.386 | 0.000 | 4.973 | 3.011 | 0.900 | 0.000 | 0.000 | 0.000 | 34.773 | 7.355 |
| 5 | 3.278 | 21.768 | 10.924 | 0.000 | 8.391 | 2.113 | 21.804 | 0.000 | 0.000 | 0.000 | 35.421 | 0.000 |
| 6 | 7.810 | 33.791 | 4.053 | 1.839 | 1.067 | 2.720 | 28.078 | 0.000 | 0.000 | 1.391 | 47.613 | 31.312 |
| 7 | 15.210 | 14.741 | 1.610 | 28.066 | 0.000 | 0.000 | 6.808 | 4.238 | 0.000 | 0.823 | 1.962 | 0.000 |
| 8 | 0.000 | 23.335 | 33.837 | 0.000 | 7.721 | 0.660 | 1.154 | 0.000 | 2.449 | 0.000 | 0.070 | 0.000 |
| 9 | 6.604 | 22.013 | 46.515 | 22.616 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.347 | 0.000 |
| 10 | 0.082 | 2.424 | 6.813 | 3.406 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.610 | 0.000 |
| 11 | 0.000 | 7.713 | 27.023 | 44.120 | 5.316 | 1.611 | 11.338 | 0.000 | 0.000 | 35.066 | 0.000 | 0.000 |
| 12 | 0.000 | 0.833 | 23.602 | 3.588 | 0.000 | 2.483 | 0.000 | 0.000 | 0.000 | 7.013 | 0.648 | 0.000 |
| 13 | 1.780 | 0.367 | 1.955 | 25.341 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.921 | 18.026 | 0.000 |
| 14 | 0.000 | 10.455 | 12.678 | 10.582 | 0.000 | 2.192 | 0.000 | 0.000 | 0.000 | 17.278 | 0.088 | 0.595 |
| 15 | 0.000 | 28.232 | 58.704 | 26.136 | 5.172 | 47.037 | 0.000 | 0.000 | 0.000 | 0.000 | 8.321 | 21.118 |
| 16 | 64.539 | 1.053 | 18.025 | 0.000 | 4.286 | 7.765 | 4.220 | 0.000 | 0.000 | 4.486 | 11.019 | 8.328 |
| 17 | 24.518 | 32.419 | 0.460 | 0.045 | 3.580 | 9.798 | 0.169 | 0.000 | 1.737 | 0.000 | 1.647 | 13.628 |
| 18 | 1.147 | 4.236 | 3.996 | 3.065 | 0.000 | 2.034 | 0.113 | 0.000 | 3.875 | 2.214 | 27.906 | 42.264 |
| 19 | 16.193 | 30.656 | 34.757 | 0.545 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.215 | 15.731 | 62.814 |
| 20 | 6.452 | 49.584 | 0.000 | 0.454 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.724 | 2.365 | 29.311 |
| 21 | 12.060 | 0.000 | 1.466 | 0.749 | 0.000 | 2.773 | 0.000 | 0.000 | 3.830 | 4.310 | 19.322 | 44.346 |
| 22 | 6.943 | 20.372 | 32.888 | 26.045 | 0.000 | 0.000 | 17.584 | 0.000 | 0.000 | 3.977 | 0.088 | 6.057 |
| 23 | 12.692 | 2.449 | 4.168 | 6.040 | 0.000 | 13.337 | 9.172 | 5.224 | 6.792 | 1.587 | 0.000 | 0.081 |
| 24 | 6.393 | 24.364 | 0.000 | 22.753 | 0.000 | 10.247 | 0.000 | 0.049 | 21.666 | 0.000 | 1.629 | 1.812 |
| 25 | 24.518 | 20.838 | 3.594 | 9.787 | 0.000 | 0.000 | 2.560 | 0.000 | 0.200 | 2.645 | 0.000 | 12.033 |
| 26 | 0.000 | 3.110 | 1.869 | 78.544 | 0.000 | 34.597 | 19.047 | 0.788 | 6.970 | 7.268 | 1.717 | 17.955 |
| 27 | 8.419 | 22.160 | 14.518 | 0.000 | 0.000 | 2.562 | 2.054 | 1.922 | 2.294 | 6.034 | 12.665 | 17.306 |
| 28 | 3.255 | 47.870 | 19.836 | 2.725 | 0.127 | 0.000 | 44.565 | 5.963 | 0.000 | 9.697 | 11.614 | 35.017 |
| 29 | 7.646 | - | 4.916 | 4.178 | 0.000 | 0.000 | 4.783 | 0.000 | 0.000 | 41.883 | 0.000 | 0.865 |
| 30 | 0.855 | - | 16.156 | 9.083 | 0.000 | 0.000 | 0.084 | 0.000 | 0.000 | 7.405 | 8.881 | 5.624 |
| 31 | 10.760 | - | 7.158 | - | 0.000 | - | 5.542 | 0.000 | - | 49.935 | - | 41.020 |
| Total | 244.22 | 458.87 | 415.01 | 357.23 | 48.32 | 155.27 | 184.56 | 19.07 | 49.81 | 206.62 | 285.03 | 414.17 |
| Hari Hujan | 24.00 | 26.00 | 29.00 | 24.00 | 11.00 | 18.00 | 20.00 | 7.00 | 9.00 | 21.00 | 26.00 | 22.00 |
| Max | 64.539 | 49.584 | 58.704 | 78.544 | 8.391 | 47.037 | 44.565 | 5.963 | 21.666 | 49.935 | 47.613 | 62.814 |
| Avg | 7.88 | 16.39 | 13.39 | 11.91 | 1.56 | 5.18 | 5.95 | 0.62 | 1.66 | 6.67 | 9.50 | 13.36 |
Berdasarkan data hujan TRMM di Grid TRMM-2231, yang terletak di Desa Bobol, Kecamatan Sekar, Bojonegoro, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,838.17 mm. Dengan jumlah hari hujan tahunan adalah 237 hari (64.93%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 78.54 mm yang terjadi pada tanggal 26 April 1998.
