| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-2290 |
| Lokasi Stasiun | : | Desa Blembem, Kecamatan Jambon, Ponorogo, Provinsi Jawa Timur |
| Longitude | : | 111.375000 |
| Latitude | : | -7.875000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.645 | 1.174 | 7.878 | 0.000 | 4.038 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 29.258 | 0.000 |
| 2 | 1.449 | 28.149 | 0.000 | 6.366 | 0.899 | 0.000 | 6.120 | 0.000 | 0.000 | 0.000 | 16.315 | 1.911 |
| 3 | 0.810 | 7.666 | 4.685 | 15.879 | 0.000 | 26.956 | 0.000 | 0.000 | 0.000 | 0.000 | 21.593 | 23.240 |
| 4 | 14.682 | 0.000 | 10.654 | 58.378 | 0.000 | 0.000 | 0.630 | 0.000 | 0.000 | 0.525 | 0.175 | 6.376 |
| 5 | 0.000 | 0.000 | 14.680 | 0.977 | 0.000 | 0.000 | 1.530 | 0.000 | 0.000 | 0.000 | 7.752 | 2.015 |
| 6 | 0.000 | 8.864 | 30.402 | 8.807 | 0.987 | 0.256 | 2.880 | 0.000 | 0.000 | 0.000 | 1.445 | 7.186 |
| 7 | 8.348 | 0.000 | 34.636 | 13.347 | 0.455 | 0.256 | 0.000 | 0.000 | 0.000 | 0.000 | 1.686 | 1.599 |
| 8 | 9.281 | 3.641 | 15.721 | 38.431 | 5.957 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 13.950 | 0.935 |
| 9 | 7.243 | 4.145 | 31.894 | 14.016 | 0.000 | 0.000 | 0.000 | 6.213 | 0.000 | 0.233 | 0.000 | 15.036 |
| 10 | 12.374 | 5.630 | 10.377 | 7.849 | 0.000 | 0.000 | 0.000 | 7.249 | 0.000 | 0.000 | 17.980 | 5.067 |
| 11 | 3.830 | 0.000 | 5.206 | 7.903 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 11.059 | 1.558 |
| 12 | 2.234 | 12.961 | 26.862 | 5.299 | 1.109 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 11.519 | 9.429 |
| 13 | 25.461 | 23.861 | 25.508 | 18.338 | 2.618 | 0.000 | 0.000 | 0.000 | 0.000 | 6.479 | 2.234 | 15.950 |
| 14 | 0.000 | 0.000 | 0.694 | 9.169 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 22.123 | 2.124 | 1.454 |
| 15 | 16.868 | 19.213 | 4.755 | 20.490 | 2.074 | 0.000 | 0.000 | 0.000 | 0.000 | 1.226 | 10.818 | 0.000 |
| 16 | 7.120 | 7.259 | 10.863 | 13.546 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 21.965 | 8.100 |
| 17 | 5.500 | 2.180 | 24.641 | 0.018 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 12.921 | 11.630 |
| 18 | 17.064 | 6.013 | 1.770 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.023 | 0.000 |
| 19 | 31.231 | 4.121 | 25.161 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 8.344 | 0.768 |
| 20 | 0.319 | 14.159 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 20.197 | 12.023 | 7.871 |
| 21 | 3.167 | 2.731 | 28.389 | 0.000 | 0.000 | 1.150 | 0.000 | 0.000 | 0.000 | 1.109 | 29.192 | 6.521 |
| 22 | 0.319 | 1.893 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 15.352 | 20.311 |
| 23 | 9.993 | 27.095 | 11.244 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 32.740 | 15.991 |
| 24 | 16.573 | 0.311 | 7.149 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 6.771 | 18.330 | 0.935 |
| 25 | 10.263 | 48.249 | 4.616 | 0.000 | 0.765 | 0.000 | 0.000 | 0.000 | 1.440 | 1.839 | 9.504 | 7.975 |
| 26 | 1.866 | 16.578 | 5.692 | 0.000 | 0.000 | 0.256 | 0.000 | 0.000 | 0.000 | 2.014 | 0.000 | 1.599 |
| 27 | 17.015 | 3.905 | 0.278 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 17.366 | 1.577 | 6.853 |
| 28 | 17.997 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 14.798 | 0.000 | 0.851 |
| 29 | 8.667 | - | 0.000 | 0.633 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 6.567 | 0.000 | 10.010 |
| 30 | 3.830 | - | 1.388 | 1.320 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 23.408 | 0.307 | 19.958 |
| 31 | 2.308 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 18.854 | - | 27.414 |
| Total | 257.46 | 249.80 | 345.14 | 240.77 | 18.90 | 28.87 | 11.16 | 13.46 | 1.44 | 143.51 | 319.19 | 238.54 |
| Hari Hujan | 28.00 | 22.00 | 25.00 | 18.00 | 9.00 | 5.00 | 4.00 | 2.00 | 1.00 | 15.00 | 26.00 | 28.00 |
| Max | 31.231 | 48.249 | 34.636 | 58.378 | 5.957 | 26.956 | 6.120 | 7.249 | 1.440 | 23.408 | 32.740 | 27.414 |
| Avg | 8.31 | 8.92 | 11.13 | 8.03 | 0.61 | 0.96 | 0.36 | 0.43 | 0.05 | 4.63 | 10.64 | 7.69 |
Berdasarkan data hujan TRMM di Grid TRMM-2290, yang terletak di Desa Blembem, Kecamatan Jambon, Ponorogo, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 1,868.24 mm. Dengan jumlah hari hujan tahunan adalah 183 hari (50.14%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 58.38 mm yang terjadi pada tanggal 4 April 1999.
