| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-2296 |
| Lokasi Stasiun | : | Desa Ngadiwono, Kecamatan Tosari, Pasuruan, Provinsi Jawa Timur |
| Longitude | : | 112.875000 |
| Latitude | : | -7.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.000 | 0.000 | 2.645 | 28.590 | 39.310 | 2.522 | 0.000 | 0.000 | 0.000 | 0.029 | 0.000 | 21.463 |
| 2 | 0.000 | 0.803 | 10.446 | 0.000 | 16.857 | 0.000 | 3.502 | 0.000 | 0.000 | 0.202 | 47.149 | 1.397 |
| 3 | 0.000 | 10.859 | 1.102 | 4.853 | 0.205 | 10.577 | 0.000 | 0.000 | 0.000 | 0.000 | 38.781 | 10.476 |
| 4 | 5.110 | 33.379 | 0.000 | 6.295 | 29.619 | 0.565 | 0.000 | 0.000 | 0.000 | 2.573 | 41.967 | 1.304 |
| 5 | 4.951 | 10.629 | 0.000 | 0.000 | 16.652 | 11.819 | 15.572 | 0.000 | 0.000 | 0.000 | 10.395 | 0.000 |
| 6 | 3.491 | 28.753 | 2.028 | 0.000 | 0.000 | 0.339 | 7.813 | 0.000 | 0.000 | 0.000 | 15.062 | 2.654 |
| 7 | 8.633 | 3.212 | 1.719 | 1.864 | 0.000 | 0.000 | 6.735 | 0.000 | 0.000 | 3.180 | 0.000 | 0.000 |
| 8 | 0.000 | 19.462 | 12.165 | 3.657 | 0.205 | 0.000 | 4.041 | 0.000 | 0.000 | 8.239 | 0.290 | 0.000 |
| 9 | 17.076 | 0.000 | 12.562 | 33.936 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 14.644 | 0.000 |
| 10 | 0.000 | 10.171 | 21.730 | 0.000 | 0.000 | 2.522 | 0.377 | 0.000 | 0.000 | 0.000 | 2.768 | 0.000 |
| 11 | 0.000 | 0.306 | 35.482 | 23.772 | 4.777 | 6.888 | 2.371 | 0.000 | 0.000 | 1.532 | 0.000 | 0.000 |
| 12 | 0.000 | 43.435 | 0.000 | 3.481 | 0.000 | 0.678 | 0.000 | 0.000 | 0.000 | 2.313 | 0.000 | 0.000 |
| 13 | 0.000 | 2.562 | 0.749 | 11.570 | 0.000 | 0.263 | 0.000 | 0.000 | 0.000 | 2.717 | 0.000 | 0.000 |
| 14 | 0.000 | 32.768 | 23.228 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7.217 |
| 15 | 8.252 | 1.874 | 29.752 | 3.833 | 0.751 | 26.800 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.887 |
| 16 | 0.000 | 0.000 | 12.209 | 0.000 | 9.350 | 0.565 | 0.108 | 0.000 | 1.576 | 1.243 | 0.000 | 29.192 |
| 17 | 42.848 | 3.021 | 9.124 | 0.563 | 2.457 | 3.576 | 0.000 | 0.000 | 0.000 | 1.070 | 0.000 | 21.231 |
| 18 | 2.349 | 1.529 | 7.802 | 2.215 | 0.205 | 1.957 | 0.000 | 0.000 | 0.000 | 0.000 | 14.000 | 7.496 |
| 19 | 14.315 | 9.865 | 12.694 | 1.969 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.064 | 32.125 |
| 20 | 1.016 | 16.250 | 5.157 | 4.361 | 0.000 | 16.072 | 0.000 | 0.000 | 0.000 | 11.130 | 0.000 | 5.447 |
| 21 | 13.553 | 0.268 | 0.000 | 5.310 | 0.068 | 12.120 | 4.095 | 0.000 | 5.197 | 7.343 | 0.000 | 37.433 |
| 22 | 31.517 | 10.171 | 0.000 | 8.932 | 0.000 | 0.000 | 2.209 | 9.630 | 23.634 | 0.000 | 0.418 | 47.303 |
| 23 | 2.000 | 6.921 | 8.066 | 6.260 | 0.000 | 15.959 | 0.000 | 0.000 | 12.605 | 9.309 | 0.000 | 21.789 |
| 24 | 3.523 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.898 | 5.117 | 0.000 | 0.000 |
| 25 | 6.570 | 13.076 | 8.110 | 25.179 | 0.000 | 0.000 | 10.992 | 6.030 | 5.031 | 15.119 | 0.000 | 19.322 |
| 26 | 0.000 | 6.385 | 6.567 | 9.495 | 4.027 | 8.281 | 23.654 | 0.000 | 0.774 | 0.636 | 5.182 | 0.931 |
| 27 | 5.872 | 23.897 | 45.795 | 2.602 | 0.000 | 0.000 | 0.485 | 12.870 | 1.659 | 10.870 | 43.126 | 34.826 |
| 28 | 0.000 | 57.047 | 6.567 | 0.000 | 0.000 | 3.162 | 43.699 | 0.000 | 0.304 | 3.469 | 0.000 | 0.000 |
| 29 | 8.379 | - | 0.309 | 41.567 | 0.000 | 4.743 | 36.317 | 0.000 | 0.000 | 14.743 | 5.471 | 11.966 |
| 30 | 0.889 | - | 30.016 | 15.397 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 22.028 | 14.772 | 44.929 |
| 31 | 15.743 | - | 3.482 | - | 5.664 | - | 0.000 | 0.000 | - | 18.357 | - | 22.348 |
| Total | 196.09 | 346.64 | 309.51 | 245.70 | 130.15 | 129.41 | 161.97 | 28.53 | 54.68 | 141.22 | 254.09 | 383.74 |
| Hari Hujan | 19.00 | 24.00 | 25.00 | 22.00 | 14.00 | 19.00 | 15.00 | 3.00 | 9.00 | 21.00 | 15.00 | 21.00 |
| Max | 42.848 | 57.047 | 45.795 | 41.567 | 39.310 | 26.800 | 43.699 | 12.870 | 23.634 | 22.028 | 47.149 | 47.303 |
| Avg | 6.33 | 12.38 | 9.98 | 8.19 | 4.20 | 4.31 | 5.22 | 0.92 | 1.82 | 4.56 | 8.47 | 12.38 |
Berdasarkan data hujan TRMM di Grid TRMM-2296, yang terletak di Desa Ngadiwono, Kecamatan Tosari, Pasuruan, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,381.71 mm. Dengan jumlah hari hujan tahunan adalah 207 hari (56.71%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 57.05 mm yang terjadi pada tanggal 28 Februari 1998.
