| Tahun Data | : | 1999 |
| 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 | 2.330 | 1.083 | 17.027 | 0.095 | 4.612 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 41.506 | 0.000 |
| 2 | 0.000 | 46.505 | 5.583 | 24.998 | 5.006 | 0.000 | 0.269 | 0.000 | 0.000 | 0.000 | 15.048 | 0.000 |
| 3 | 0.577 | 11.162 | 5.333 | 81.396 | 9.578 | 4.997 | 0.000 | 0.000 | 0.000 | 8.477 | 22.299 | 22.627 |
| 4 | 20.110 | 1.680 | 20.999 | 118.875 | 8.004 | 0.000 | 21.373 | 0.000 | 0.000 | 1.409 | 2.112 | 1.219 |
| 5 | 2.190 | 4.177 | 17.471 | 28.180 | 0.000 | 0.000 | 21.911 | 0.000 | 0.000 | 0.000 | 4.747 | 3.440 |
| 6 | 0.000 | 10.897 | 5.055 | 9.905 | 0.666 | 0.388 | 1.747 | 0.000 | 0.000 | 0.000 | 3.528 | 5.426 |
| 7 | 17.243 | 6.675 | 19.694 | 5.644 | 0.404 | 0.388 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 26.774 |
| 8 | 3.863 | 2.984 | 3.750 | 0.095 | 1.171 | 0.000 | 0.000 | 0.346 | 0.000 | 0.000 | 19.904 | 18.597 |
| 9 | 8.422 | 5.194 | 8.389 | 0.511 | 0.000 | 0.000 | 0.000 | 4.365 | 0.000 | 2.273 | 0.000 | 7.293 |
| 10 | 1.951 | 0.066 | 16.277 | 1.136 | 0.000 | 0.948 | 0.000 | 10.070 | 0.000 | 0.000 | 56.445 | 0.511 |
| 11 | 0.458 | 0.000 | 0.000 | 14.582 | 0.595 | 0.000 | 0.000 | 7.183 | 0.000 | 18.818 | 11.650 | 8.237 |
| 12 | 30.046 | 0.000 | 14.944 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7.227 | 1.720 | 10.321 |
| 13 | 22.957 | 0.000 | 51.165 | 4.034 | 3.533 | 0.000 | 0.000 | 0.000 | 0.000 | 2.864 | 5.052 | 1.514 |
| 14 | 2.310 | 0.000 | 15.666 | 14.847 | 0.050 | 0.000 | 0.000 | 0.000 | 0.000 | 38.113 | 0.261 | 8.866 |
| 15 | 7.188 | 14.124 | 21.499 | 6.401 | 1.383 | 0.000 | 0.000 | 0.000 | 0.000 | 17.159 | 21.385 | 0.000 |
| 16 | 7.506 | 41.797 | 12.777 | 10.264 | 0.898 | 0.000 | 0.000 | 0.000 | 0.000 | 2.091 | 6.119 | 4.895 |
| 17 | 12.843 | 38.746 | 6.333 | 0.000 | 0.000 | 0.000 | 0.403 | 0.000 | 0.270 | 7.204 | 18.336 | 0.000 |
| 18 | 41.196 | 16.025 | 0.583 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.318 | 7.513 | 18.931 |
| 19 | 5.396 | 24.490 | 16.166 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.516 | 14.213 |
| 20 | 0.577 | 10.433 | 0.722 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.090 | 16.386 | 12.587 | 18.970 |
| 21 | 5.874 | 3.094 | 9.277 | 0.133 | 0.000 | 6.203 | 0.000 | 0.000 | 0.000 | 0.000 | 10.605 | 11.048 |
| 22 | 8.183 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.000 | 0.980 | 49.263 |
| 23 | 9.298 | 6.189 | 23.916 | 0.000 | 0.000 | 3.317 | 0.000 | 0.208 | 0.000 | 0.000 | 3.071 | 5.956 |
| 24 | 25.506 | 0.354 | 55.053 | 0.000 | 0.000 | 0.000 | 2.420 | 0.000 | 0.000 | 5.591 | 6.838 | 3.145 |
| 25 | 19.134 | 58.816 | 3.333 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.682 | 11.650 | 1.573 |
| 26 | 2.111 | 13.107 | 10.305 | 0.000 | 0.000 | 12.750 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7.667 |
| 27 | 14.435 | 4.686 | 11.083 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.710 | 3.545 | 54.333 | 0.727 |
| 28 | 38.727 | 2.476 | 0.000 | 4.110 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 25.704 | 0.000 | 0.000 |
| 29 | 3.524 | - | 13.694 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 12.614 | 0.000 | 12.385 |
| 30 | 13.380 | - | 34.026 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 15.000 | 0.087 | 6.389 |
| 31 | 1.513 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 10.432 | - | 21.801 |
| Total | 328.85 | 324.76 | 420.12 | 325.21 | 35.90 | 28.99 | 48.12 | 22.17 | 2.07 | 199.91 | 347.29 | 291.79 |
| Hari Hujan | 29.00 | 23.00 | 27.00 | 17.00 | 12.00 | 7.00 | 6.00 | 5.00 | 3.00 | 20.00 | 25.00 | 26.00 |
| Max | 41.196 | 58.816 | 55.053 | 118.875 | 9.578 | 12.750 | 21.911 | 10.070 | 1.710 | 38.113 | 56.445 | 49.263 |
| Avg | 10.61 | 11.60 | 13.55 | 10.84 | 1.16 | 0.97 | 1.55 | 0.72 | 0.07 | 6.45 | 11.58 | 9.41 |
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 1999 adalah sebesar 2,375.18 mm. Dengan jumlah hari hujan tahunan adalah 200 hari (54.79%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 118.88 mm yang terjadi pada tanggal 4 April 1999.
