| Tahun Data | : | 1998 |
| Nama Stasiun | : | TRMM-2264 |
| Lokasi Stasiun | : | Desa Sonopatik, Kecamatan Berbek, Nganjuk, Provinsi Jawa Timur |
| Longitude | : | 111.875000 |
| Latitude | : | -7.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5.565 | 0.000 | 1.617 | 19.120 | 6.522 | 0.000 | 8.061 | 0.000 | 0.000 | 0.760 | 13.646 | 4.387 |
| 2 | 0.000 | 0.643 | 20.748 | 0.000 | 6.764 | 9.662 | 0.000 | 0.000 | 0.000 | 0.288 | 20.673 | 1.755 |
| 3 | 0.252 | 12.111 | 6.537 | 1.509 | 21.126 | 9.941 | 0.000 | 0.000 | 0.000 | 0.000 | 4.027 | 12.692 |
| 4 | 0.451 | 15.943 | 8.155 | 0.000 | 1.318 | 0.279 | 0.000 | 0.000 | 4.513 | 0.000 | 38.774 | 19.418 |
| 5 | 6.771 | 52.723 | 0.000 | 0.000 | 7.137 | 0.000 | 14.113 | 0.000 | 0.000 | 0.000 | 35.512 | 0.000 |
| 6 | 15.105 | 22.376 | 1.720 | 2.516 | 0.000 | 2.688 | 43.149 | 0.000 | 0.000 | 0.498 | 27.440 | 0.000 |
| 7 | 6.665 | 0.000 | 9.290 | 15.862 | 0.000 | 0.000 | 7.816 | 0.000 | 0.000 | 1.049 | 1.827 | 0.000 |
| 8 | 0.000 | 1.622 | 30.210 | 0.000 | 1.010 | 1.192 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 9 | 13.263 | 29.872 | 12.284 | 43.244 | 0.000 | 1.040 | 0.000 | 0.000 | 0.000 | 0.000 | 5.723 | 0.000 |
| 10 | 0.252 | 5.426 | 1.480 | 2.066 | 0.000 | 0.000 | 0.319 | 0.000 | 0.000 | 0.000 | 0.690 | 0.000 |
| 11 | 0.000 | 7.580 | 40.773 | 56.935 | 12.825 | 7.050 | 14.652 | 0.000 | 0.000 | 5.348 | 0.000 | 0.000 |
| 12 | 0.000 | 2.377 | 15.862 | 15.280 | 0.000 | 28.707 | 0.000 | 0.000 | 0.000 | 8.049 | 0.000 | 1.199 |
| 13 | 0.967 | 0.420 | 2.030 | 12.949 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.346 | 0.000 |
| 14 | 4.015 | 14.097 | 13.866 | 0.000 | 0.000 | 1.750 | 0.000 | 0.000 | 0.000 | 5.873 | 8.948 | 1.959 |
| 15 | 0.000 | 12.447 | 41.874 | 9.692 | 1.515 | 58.073 | 0.000 | 0.000 | 0.000 | 0.000 | 19.182 | 19.740 |
| 16 | 32.079 | 0.587 | 28.937 | 0.053 | 1.735 | 0.456 | 2.058 | 0.000 | 0.000 | 2.963 | 17.598 | 55.213 |
| 17 | 8.281 | 30.991 | 1.480 | 0.000 | 2.064 | 0.178 | 0.000 | 6.595 | 0.000 | 0.000 | 1.957 | 23.396 |
| 18 | 0.093 | 0.951 | 7.260 | 23.277 | 0.000 | 1.090 | 0.000 | 0.000 | 0.743 | 13.397 | 20.580 | 45.797 |
| 19 | 22.910 | 43.577 | 47.723 | 0.000 | 0.000 | 0.000 | 0.319 | 0.000 | 0.000 | 5.873 | 4.045 | 52.289 |
| 20 | 3.299 | 60.583 | 0.000 | 4.793 | 0.000 | 0.000 | 0.000 | 0.621 | 0.000 | 2.936 | 0.000 | 12.692 |
| 21 | 0.689 | 0.755 | 3.166 | 9.533 | 0.000 | 3.702 | 3.896 | 0.000 | 5.599 | 39.194 | 7.531 | 21.758 |
| 22 | 7.049 | 9.062 | 14.417 | 20.338 | 0.000 | 0.000 | 8.870 | 0.000 | 2.228 | 0.996 | 0.000 | 16.318 |
| 23 | 10.004 | 9.901 | 22.847 | 4.714 | 0.000 | 11.868 | 12.104 | 4.397 | 0.257 | 0.000 | 0.000 | 1.842 |
| 24 | 27.428 | 0.783 | 0.069 | 4.475 | 0.000 | 2.384 | 0.221 | 0.000 | 9.798 | 0.000 | 0.019 | 0.000 |
| 25 | 23.917 | 29.396 | 3.062 | 23.489 | 0.000 | 0.000 | 1.201 | 1.147 | 3.371 | 2.281 | 0.000 | 0.000 |
| 26 | 0.000 | 13.985 | 6.641 | 11.572 | 0.000 | 17.828 | 41.899 | 0.000 | 10.740 | 0.524 | 0.000 | 26.525 |
| 27 | 4.770 | 8.839 | 13.350 | 0.000 | 0.000 | 0.000 | 5.881 | 9.558 | 2.628 | 0.000 | 24.644 | 46.791 |
| 28 | 0.424 | 43.969 | 14.761 | 4.025 | 0.000 | 0.000 | 32.245 | 0.000 | 0.000 | 18.719 | 15.193 | 32.666 |
| 29 | 10.825 | - | 0.000 | 24.575 | 0.000 | 0.000 | 2.230 | 0.000 | 0.000 | 31.119 | 9.265 | 0.994 |
| 30 | 5.406 | - | 1.204 | 18.228 | 0.088 | 0.000 | 0.074 | 0.000 | 0.000 | 14.236 | 4.698 | 25.677 |
| 31 | 12.561 | - | 24.464 | - | 0.000 | - | 4.018 | 0.000 | - | 12.479 | - | 12.575 |
| Total | 223.04 | 431.02 | 395.83 | 328.25 | 62.10 | 157.89 | 203.13 | 22.32 | 39.88 | 166.58 | 292.32 | 435.68 |
| Hari Hujan | 25.00 | 26.00 | 28.00 | 22.00 | 11.00 | 17.00 | 19.00 | 5.00 | 9.00 | 19.00 | 22.00 | 21.00 |
| Max | 32.079 | 60.583 | 47.723 | 56.935 | 21.126 | 58.073 | 43.149 | 9.558 | 10.740 | 39.194 | 38.774 | 55.213 |
| Avg | 7.19 | 15.39 | 12.77 | 10.94 | 2.00 | 5.26 | 6.55 | 0.72 | 1.33 | 5.37 | 9.74 | 14.05 |
Berdasarkan data hujan TRMM di Grid TRMM-2264, yang terletak di Desa Sonopatik, Kecamatan Berbek, Nganjuk, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1998 adalah sebesar 2,758.03 mm. Dengan jumlah hari hujan tahunan adalah 224 hari (61.37%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 60.58 mm yang terjadi pada tanggal 20 Februari 1998.