| Tahun Data | : | 2004 |
| Nama Stasiun | : | TRMM-2230 |
| Lokasi Stasiun | : | Desa Ngancar, Kecamatan Pitu, Ngawi, Provinsi Jawa Timur |
| Longitude | : | 111.375000 |
| Latitude | : | -7.375000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.000 | 0.307 | 27.992 | 19.318 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 19.333 |
| 2 | 0.303 | 13.783 | 52.200 | 3.779 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.252 |
| 3 | 2.121 | 36.100 | 64.953 | 18.015 | 6.108 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.685 |
| 4 | 0.000 | 11.235 | 64.185 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 17.437 | 8.507 |
| 5 | 2.399 | 0.491 | 11.535 | 10.978 | 0.840 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.671 | 1.228 |
| 6 | 1.919 | 5.679 | 9.842 | 3.192 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7.535 | 3.821 |
| 7 | 18.431 | 7.214 | 20.875 | 0.912 | 0.000 | 0.477 | 0.000 | 0.000 | 0.000 | 0.000 | 50.958 | 0.000 |
| 8 | 1.414 | 12.709 | 13.837 | 12.053 | 0.000 | 0.795 | 0.000 | 0.000 | 0.000 | 0.000 | 24.634 | 28.658 |
| 9 | 15.023 | 0.000 | 9.022 | 30.915 | 3.903 | 4.134 | 0.000 | 0.000 | 0.000 | 0.000 | 18.355 | 0.000 |
| 10 | 5.403 | 0.583 | 1.191 | 0.000 | 0.000 | 48.183 | 10.141 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| 11 | 3.888 | 2.425 | 20.928 | 3.616 | 0.000 | 0.000 | 63.380 | 0.000 | 0.000 | 0.000 | 0.000 | 66.051 |
| 12 | 11.337 | 0.000 | 12.303 | 0.000 | 0.000 | 0.000 | 41.408 | 0.000 | 0.000 | 0.000 | 0.000 | 3.230 |
| 13 | 3.257 | 0.000 | 22.012 | 0.000 | 0.000 | 0.000 | 4.817 | 0.000 | 0.000 | 0.000 | 4.444 | 8.484 |
| 14 | 0.000 | 0.000 | 16.668 | 2.541 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 22.750 | 0.000 |
| 15 | 0.000 | 2.210 | 0.979 | 0.000 | 8.804 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 15.746 | 2.070 |
| 16 | 17.017 | 4.175 | 0.926 | 0.000 | 33.447 | 0.000 | 9.718 | 0.000 | 6.222 | 0.000 | 0.000 | 6.369 |
| 17 | 37.645 | 0.000 | 7.196 | 0.000 | 2.783 | 0.000 | 0.338 | 0.000 | 2.539 | 0.000 | 10.940 | 0.978 |
| 18 | 3.661 | 1.566 | 2.222 | 0.000 | 4.761 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.777 | 11.873 |
| 19 | 3.181 | 6.017 | 0.000 | 4.039 | 4.481 | 0.000 | 0.000 | 0.000 | 0.000 | 5.687 | 18.693 | 5.345 |
| 20 | 6.767 | 31.772 | 3.704 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.691 | 3.707 |
| 21 | 5.580 | 22.164 | 29.870 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 30.744 | 16.626 |
| 22 | 11.034 | 26.737 | 15.239 | 0.423 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 6.113 | 9.564 | 3.184 |
| 23 | 33.808 | 38.249 | 0.000 | 4.952 | 3.360 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.651 | 68.689 |
| 24 | 25.324 | 9.301 | 0.000 | 29.840 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7.487 | 19.652 |
| 25 | 13.710 | 15.011 | 3.148 | 0.000 | 2.555 | 0.000 | 0.000 | 0.000 | 10.348 | 0.000 | 20.818 | 14.216 |
| 26 | 37.216 | 27.198 | 2.990 | 0.000 | 5.006 | 0.000 | 0.000 | 0.000 | 0.000 | 12.856 | 2.101 | 0.000 |
| 27 | 8.307 | 11.450 | 0.000 | 18.927 | 13.844 | 0.000 | 0.000 | 0.000 | 0.381 | 12.856 | 37.241 | 26.043 |
| 28 | 0.808 | 3.991 | 47.808 | 0.000 | 1.523 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 13.066 | 3.321 |
| 29 | 36.181 | 10.867 | 2.857 | 0.000 | 5.128 | 0.000 | 1.099 | 0.000 | 0.000 | 0.000 | 33.642 | 20.129 |
| 30 | 16.235 | - | 19.287 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 5.841 | 4.780 | 124.594 | 0.000 |
| 31 | 36.268 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 0.000 | - | 10.485 |
| Total | 358.24 | 301.23 | 483.77 | 163.50 | 96.54 | 53.59 | 130.90 | 0.00 | 25.33 | 42.29 | 489.54 | 357.94 |
| Hari Hujan | 27.00 | 24.00 | 26.00 | 15.00 | 14.00 | 4.00 | 7.00 | - | 5.00 | 5.00 | 23.00 | 25.00 |
| Max | 37.645 | 38.249 | 64.953 | 30.915 | 33.447 | 48.183 | 63.380 | 0.000 | 10.348 | 12.856 | 124.594 | 68.689 |
| Avg | 11.56 | 10.39 | 15.61 | 5.45 | 3.11 | 1.79 | 4.22 | 0.00 | 0.84 | 1.36 | 16.32 | 11.55 |
Berdasarkan data hujan TRMM di Grid TRMM-2230, yang terletak di Desa Ngancar, Kecamatan Pitu, Ngawi, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 2004 adalah sebesar 2,502.87 mm. Dengan jumlah hari hujan tahunan adalah 175 hari (47.95%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 124.59 mm yang terjadi pada tanggal 30 November 2004.
