| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-2233 |
| Lokasi Stasiun | : | Desa Jiporapah, Kecamatan Plandaan, Jombang, Provinsi Jawa Timur |
| Longitude | : | 112.125000 |
| Latitude | : | -7.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.000 | 10.675 | 3.855 | 12.243 | 7.938 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 67.741 | 0.000 |
| 2 | 0.000 | 34.090 | 0.000 | 31.160 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.820 | 2.898 |
| 3 | 8.409 | 13.427 | 1.504 | 43.470 | 22.968 | 0.469 | 0.000 | 0.000 | 0.000 | 0.176 | 23.575 | 1.145 |
| 4 | 21.397 | 0.000 | 40.598 | 80.853 | 6.819 | 0.235 | 21.559 | 0.000 | 0.000 | 0.000 | 2.875 | 0.000 |
| 5 | 4.639 | 2.369 | 11.065 | 18.669 | 0.000 | 0.000 | 4.784 | 0.000 | 0.000 | 0.000 | 10.049 | 2.192 |
| 6 | 0.988 | 5.733 | 12.492 | 9.177 | 0.000 | 0.141 | 6.029 | 0.000 | 0.000 | 0.000 | 2.738 | 12.981 |
| 7 | 40.550 | 2.573 | 0.039 | 22.795 | 1.773 | 0.657 | 0.000 | 0.000 | 0.000 | 0.000 | 0.685 | 21.358 |
| 8 | 15.532 | 0.713 | 9.099 | 0.000 | 0.000 | 0.000 | 0.000 | 1.561 | 0.000 | 0.000 | 32.638 | 19.142 |
| 9 | 12.150 | 7.644 | 13.417 | 1.804 | 0.245 | 0.000 | 0.000 | 21.229 | 0.000 | 0.000 | 0.000 | 14.271 |
| 10 | 12.329 | 0.000 | 0.000 | 1.060 | 4.992 | 0.000 | 0.000 | 3.850 | 0.000 | 0.000 | 51.613 | 12.834 |
| 11 | 1.137 | 2.064 | 0.000 | 6.471 | 3.464 | 0.329 | 0.000 | 7.014 | 0.000 | 19.262 | 0.000 | 10.497 |
| 12 | 5.447 | 0.000 | 19.509 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 65.244 |
| 13 | 27.801 | 0.000 | 84.396 | 0.000 | 15.303 | 0.000 | 0.000 | 0.000 | 0.000 | 19.115 | 5.285 | 10.058 |
| 14 | 0.000 | 0.000 | 2.121 | 25.884 | 3.901 | 0.000 | 0.000 | 0.000 | 0.000 | 13.331 | 29.845 | 4.140 |
| 15 | 8.020 | 6.828 | 7.557 | 32.851 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 17.236 | 2.300 | 0.000 |
| 16 | 3.023 | 46.880 | 23.827 | 44.372 | 0.027 | 0.000 | 0.000 | 0.000 | 0.000 | 0.088 | 18.811 | 15.830 |
| 17 | 26.215 | 16.561 | 15.807 | 0.000 | 0.000 | 0.000 | 5.963 | 0.000 | 2.377 | 0.000 | 61.334 | 0.000 |
| 18 | 38.814 | 19.058 | 0.000 | 0.631 | 0.000 | 0.000 | 9.436 | 0.000 | 0.000 | 0.000 | 6.654 | 26.351 |
| 19 | 15.951 | 12.179 | 21.475 | 0.000 | 2.100 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 12.294 | 45.737 |
| 20 | 0.808 | 28.510 | 4.819 | 0.000 | 0.000 | 1.174 | 0.459 | 0.000 | 9.615 | 13.184 | 0.958 | 2.922 |
| 21 | 8.110 | 1.834 | 21.861 | 0.090 | 0.000 | 2.019 | 0.000 | 0.000 | 0.000 | 0.000 | 3.833 | 14.807 |
| 22 | 11.791 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 32.244 |
| 23 | 43.004 | 3.643 | 1.851 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 4.518 | 6.551 |
| 24 | 25.587 | 0.000 | 26.410 | 0.000 | 0.000 | 0.000 | 5.767 | 0.291 | 0.000 | 0.587 | 28.613 | 8.353 |
| 25 | 23.163 | 53.810 | 0.270 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.701 | 0.000 | 2.411 |
| 26 | 1.766 | 16.102 | 22.786 | 5.344 | 0.000 | 8.263 | 0.000 | 0.000 | 0.000 | 1.028 | 0.164 | 11.057 |
| 27 | 12.000 | 21.122 | 25.408 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.644 | 0.493 | 0.292 |
| 28 | 66.017 | 28.230 | 57.254 | 0.023 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.220 | 0.000 | 0.584 |
| 29 | 13.856 | - | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.202 | 0.000 | 44.762 |
| 30 | 34.864 | - | 14.844 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 4.463 | 2.902 | 8.548 |
| 31 | 4.998 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 17.295 | - | 43.642 |
| Total | 488.37 | 334.05 | 442.26 | 336.90 | 69.53 | 13.29 | 54.00 | 33.95 | 11.99 | 121.53 | 372.74 | 440.85 |
| Hari Hujan | 28.00 | 21.00 | 24.00 | 17.00 | 11.00 | 8.00 | 7.00 | 5.00 | 2.00 | 15.00 | 23.00 | 27.00 |
| Max | 66.017 | 53.810 | 84.396 | 80.853 | 22.968 | 8.263 | 21.559 | 21.229 | 9.615 | 19.262 | 67.741 | 65.244 |
| Avg | 15.75 | 11.93 | 14.27 | 11.23 | 2.24 | 0.44 | 1.74 | 1.10 | 0.40 | 3.92 | 12.42 | 14.22 |
Berdasarkan data hujan TRMM di Grid TRMM-2233, yang terletak di Desa Jiporapah, Kecamatan Plandaan, Jombang, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 2,719.44 mm. Dengan jumlah hari hujan tahunan adalah 188 hari (51.51%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 84.40 mm yang terjadi pada tanggal 13 Maret 1999.