| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-2187 |
| Lokasi Stasiun | : | Desa Sugihan, Kecamatan Toroh, Grobogan, Provinsi Jawa Tengah |
| Longitude | : | 110.875000 |
| Latitude | : | -7.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 6.265 | 4.557 | 3.975 | 0.000 | 9.950 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 18.727 | 0.000 |
| 2 | 1.324 | 35.203 | 0.694 | 1.912 | 3.299 | 0.000 | 0.806 | 0.000 | 0.000 | 0.000 | 36.368 | 17.671 |
| 3 | 0.000 | 21.399 | 4.637 | 14.819 | 30.393 | 0.912 | 0.000 | 0.000 | 0.000 | 1.499 | 13.386 | 5.783 |
| 4 | 0.000 | 8.586 | 4.164 | 105.648 | 19.706 | 0.622 | 15.723 | 0.000 | 0.000 | 0.158 | 20.012 | 0.723 |
| 5 | 0.273 | 10.799 | 1.893 | 0.717 | 0.000 | 0.000 | 14.514 | 1.574 | 0.000 | 0.000 | 1.285 | 42.786 |
| 6 | 8.472 | 20.904 | 41.799 | 87.886 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.641 |
| 7 | 8.746 | 48.577 | 4.038 | 8.097 | 0.000 | 3.524 | 0.000 | 0.000 | 6.173 | 0.000 | 0.000 | 15.878 |
| 8 | 6.496 | 2.047 | 12.997 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.420 | 1.839 | 3.213 |
| 9 | 1.745 | 25.032 | 0.189 | 1.987 | 0.000 | 0.000 | 0.000 | 1.198 | 0.000 | 1.841 | 0.975 | 5.757 |
| 10 | 10.322 | 1.354 | 1.167 | 19.122 | 0.000 | 2.197 | 0.000 | 8.281 | 0.000 | 0.316 | 8.577 | 13.762 |
| 11 | 4.961 | 0.000 | 0.000 | 76.398 | 2.913 | 0.000 | 0.000 | 31.585 | 0.000 | 8.391 | 13.053 | 1.660 |
| 12 | 17.218 | 4.920 | 2.713 | 79.400 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.551 | 0.000 | 8.541 |
| 13 | 35.234 | 3.137 | 51.926 | 1.001 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.653 | 7.535 | 16.467 |
| 14 | 1.345 | 0.000 | 3.186 | 11.667 | 3.475 | 0.000 | 0.000 | 0.000 | 4.721 | 3.735 | 1.463 | 14.940 |
| 15 | 7.043 | 1.585 | 36.689 | 9.456 | 1.650 | 0.000 | 4.147 | 0.513 | 0.000 | 21.068 | 4.056 | 0.000 |
| 16 | 9.208 | 17.040 | 14.164 | 10.248 | 0.000 | 0.000 | 0.000 | 0.000 | 30.382 | 44.241 | 4.388 | 0.000 |
| 17 | 3.679 | 21.465 | 14.669 | 0.000 | 0.000 | 0.000 | 7.718 | 0.000 | 0.000 | 3.840 | 19.458 | 1.874 |
| 18 | 32.438 | 2.543 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 13.519 | 0.000 |
| 19 | 8.598 | 6.572 | 1.704 | 0.000 | 3.001 | 0.000 | 0.000 | 0.000 | 0.000 | 4.366 | 8.444 | 0.643 |
| 20 | 1.787 | 9.808 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.994 | 10.337 | 0.177 | 11.701 |
| 21 | 16.503 | 13.903 | 15.395 | 0.568 | 0.000 | 66.628 | 0.000 | 0.103 | 0.000 | 7.680 | 11.458 | 59.976 |
| 22 | 2.249 | 0.363 | 0.000 | 0.000 | 0.000 | 19.072 | 0.000 | 2.293 | 0.000 | 1.815 | 4.299 | 9.291 |
| 23 | 38.220 | 6.605 | 26.972 | 0.045 | 0.000 | 1.824 | 0.000 | 0.000 | 0.000 | 10.284 | 0.377 | 2.865 |
| 24 | 34.499 | 2.906 | 6.183 | 0.000 | 0.000 | 0.000 | 7.890 | 31.209 | 0.000 | 13.677 | 0.222 | 13.869 |
| 25 | 21.654 | 34.873 | 13.250 | 0.000 | 0.000 | 0.000 | 0.000 | 0.171 | 2.300 | 0.368 | 12.056 | 23.214 |
| 26 | 8.283 | 10.534 | 0.000 | 0.000 | 0.193 | 12.811 | 0.000 | 0.000 | 5.326 | 0.000 | 0.000 | 9.130 |
| 27 | 0.736 | 14.464 | 1.009 | 0.463 | 0.000 | 0.000 | 0.000 | 0.000 | 0.363 | 5.576 | 1.485 | 6.292 |
| 28 | 8.325 | 8.850 | 0.000 | 1.255 | 1.492 | 0.000 | 0.000 | 0.000 | 0.000 | 13.204 | 0.000 | 7.711 |
| 29 | 23.882 | - | 26.373 | 0.000 | 0.000 | 3.275 | 0.000 | 0.000 | 0.000 | 2.367 | 0.000 | 0.375 |
| 30 | 11.521 | - | 14.448 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 13.151 | 0.000 | 4.284 |
| 31 | 1.240 | - | 1.420 | - | 0.000 | - | 0.000 | 0.000 | - | 46.634 | - | 8.381 |
| Total | 332.27 | 338.03 | 305.65 | 430.69 | 76.07 | 110.87 | 50.80 | 76.93 | 53.26 | 229.17 | 203.16 | 310.43 |
| Hari Hujan | 29.00 | 26.00 | 25.00 | 18.00 | 10.00 | 9.00 | 6.00 | 9.00 | 7.00 | 24.00 | 23.00 | 27.00 |
| Max | 38.220 | 48.577 | 51.926 | 105.648 | 30.393 | 66.628 | 15.723 | 31.585 | 30.382 | 46.634 | 36.368 | 59.976 |
| Avg | 10.72 | 12.07 | 9.86 | 14.36 | 2.45 | 3.70 | 1.64 | 2.48 | 1.78 | 7.39 | 6.77 | 10.01 |
Berdasarkan data hujan TRMM di Grid TRMM-2187, yang terletak di Desa Sugihan, Kecamatan Toroh, Grobogan, Provinsi Jawa Tengah, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 2,517.32 mm. Dengan jumlah hari hujan tahunan adalah 213 hari (58.36%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 105.65 mm yang terjadi pada tanggal 4 April 1999.
