| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-2190 |
| Lokasi Stasiun | : | Desa Sambeng, Kecamatan Kasiman, Bojonegoro, Provinsi Jawa Timur |
| Longitude | : | 111.625000 |
| Latitude | : | -7.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.000 | 0.000 | 4.795 | 22.800 | 0.067 | 1.501 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 13.074 |
| 2 | 0.164 | 0.000 | 7.863 | 2.366 | 5.276 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 37.134 | 0.000 |
| 3 | 2.542 | 1.434 | 0.000 | 0.000 | 0.000 | 8.842 | 0.000 | 0.000 | 0.431 | 0.000 | 19.869 | 20.506 |
| 4 | 2.303 | 15.465 | 0.000 | 0.000 | 14.676 | 14.973 | 3.579 | 0.000 | 0.000 | 0.000 | 25.316 | 3.472 |
| 5 | 4.874 | 2.501 | 13.575 | 0.000 | 1.175 | 1.418 | 11.488 | 0.000 | 0.000 | 0.587 | 27.255 | 1.465 |
| 6 | 0.912 | 40.966 | 9.908 | 0.741 | 2.372 | 12.554 | 17.172 | 0.000 | 0.000 | 6.982 | 43.837 | 4.042 |
| 7 | 8.418 | 22.511 | 3.138 | 14.136 | 0.155 | 0.000 | 9.323 | 0.000 | 0.000 | 0.223 | 1.606 | 0.000 |
| 8 | 0.000 | 39.745 | 4.654 | 0.000 | 2.328 | 2.419 | 5.263 | 0.000 | 2.140 | 4.816 | 2.530 | 0.000 |
| 9 | 0.523 | 9.029 | 32.755 | 3.164 | 0.000 | 3.045 | 0.000 | 0.000 | 0.000 | 0.000 | 7.829 | 0.000 |
| 10 | 0.897 | 0.915 | 16.466 | 0.114 | 0.000 | 0.000 | 1.083 | 0.000 | 0.000 | 0.000 | 4.266 | 0.000 |
| 11 | 0.000 | 14.824 | 12.587 | 32.661 | 6.540 | 2.878 | 14.375 | 0.000 | 0.000 | 38.046 | 0.240 | 0.000 |
| 12 | 0.164 | 0.671 | 15.796 | 5.387 | 0.155 | 1.627 | 0.000 | 0.000 | 0.000 | 7.346 | 0.000 | 11.392 |
| 13 | 0.748 | 0.000 | 4.725 | 31.578 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.899 | 4.638 |
| 14 | 0.000 | 0.854 | 15.584 | 3.848 | 0.089 | 2.753 | 0.000 | 0.000 | 0.000 | 39.422 | 1.606 | 3.852 |
| 15 | 0.000 | 28.917 | 48.199 | 55.746 | 1.264 | 26.859 | 0.000 | 0.000 | 0.000 | 0.324 | 0.018 | 11.609 |
| 16 | 10.900 | 15.465 | 15.761 | 1.967 | 11.106 | 0.000 | 0.962 | 0.000 | 0.000 | 0.587 | 8.863 | 24.304 |
| 17 | 3.693 | 35.078 | 0.000 | 1.967 | 0.000 | 4.963 | 0.632 | 0.000 | 0.000 | 0.000 | 0.000 | 4.828 |
| 18 | 0.284 | 11.652 | 7.193 | 5.387 | 0.000 | 0.209 | 8.360 | 0.000 | 2.073 | 0.769 | 24.171 | 61.682 |
| 19 | 6.938 | 26.202 | 22.601 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.765 | 54.955 |
| 20 | 6.534 | 56.339 | 0.000 | 0.000 | 0.000 | 0.000 | 0.992 | 7.305 | 0.000 | 0.000 | 5.096 | 2.278 |
| 21 | 18.734 | 0.000 | 0.000 | 0.000 | 0.000 | 2.628 | 0.000 | 0.000 | 1.443 | 1.315 | 20.109 | 29.213 |
| 22 | 6.908 | 15.343 | 43.686 | 55.347 | 0.000 | 0.000 | 4.180 | 0.000 | 0.000 | 2.125 | 7.146 | 1.600 |
| 23 | 27.825 | 3.416 | 4.584 | 9.263 | 0.000 | 7.549 | 2.135 | 0.199 | 33.621 | 6.739 | 0.000 | 1.438 |
| 24 | 2.303 | 2.593 | 0.000 | 1.511 | 0.466 | 0.959 | 0.000 | 0.000 | 26.987 | 0.000 | 0.018 | 5.479 |
| 25 | 4.336 | 12.384 | 0.000 | 9.548 | 0.000 | 0.000 | 4.511 | 0.000 | 2.654 | 2.550 | 0.000 | 23.002 |
| 26 | 0.000 | 1.159 | 3.632 | 41.610 | 0.000 | 40.747 | 13.924 | 7.637 | 5.125 | 13.802 | 0.554 | 23.870 |
| 27 | 6.085 | 7.748 | 1.798 | 0.000 | 0.000 | 0.000 | 0.000 | 4.250 | 3.234 | 0.486 | 8.623 | 3.797 |
| 28 | 0.000 | 32.669 | 16.360 | 0.798 | 0.310 | 0.000 | 62.222 | 0.000 | 0.000 | 4.877 | 0.295 | 37.079 |
| 29 | 9.763 | - | 0.000 | 4.674 | 0.000 | 0.000 | 13.714 | 0.000 | 0.000 | 12.750 | 0.462 | 2.007 |
| 30 | 0.538 | - | 42.663 | 1.055 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 5.869 | 0.055 | 5.615 |
| 31 | 21.949 | - | 3.632 | - | 0.155 | - | 4.541 | 0.000 | - | 59.984 | - | 36.564 |
| Total | 148.34 | 397.88 | 351.96 | 305.67 | 46.13 | 135.92 | 178.46 | 19.39 | 77.71 | 209.60 | 260.56 | 391.76 |
| Hari Hujan | 24.00 | 24.00 | 23.00 | 22.00 | 15.00 | 17.00 | 18.00 | 4.00 | 9.00 | 20.00 | 25.00 | 25.00 |
| Max | 27.825 | 56.339 | 48.199 | 55.746 | 14.676 | 40.747 | 62.222 | 7.637 | 33.621 | 59.984 | 43.837 | 61.682 |
| Avg | 4.79 | 14.21 | 11.35 | 10.19 | 1.49 | 4.53 | 5.76 | 0.63 | 2.59 | 6.76 | 8.69 | 12.64 |
Berdasarkan data hujan TRMM di Grid TRMM-2190, yang terletak di Desa Sambeng, Kecamatan Kasiman, Bojonegoro, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,523.37 mm. Dengan jumlah hari hujan tahunan adalah 226 hari (61.92%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 62.22 mm yang terjadi pada tanggal 28 Juli 1998.