| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-2322 |
| Lokasi Stasiun | : | Desa Ngargoharjo, Kecamatan Giritontro, Wonogiri, Provinsi Jawa Tengah |
| Longitude | : | 110.875000 |
| Latitude | : | -8.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3.482 | 7.450 | 0.561 | 2.116 | 4.339 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 4.803 | 0.000 |
| 2 | 24.828 | 19.231 | 0.000 | 3.079 | 3.265 | 0.000 | 23.040 | 0.000 | 0.000 | 0.000 | 17.906 | 8.074 |
| 3 | 2.251 | 14.226 | 7.387 | 9.935 | 0.000 | 13.230 | 0.000 | 0.000 | 0.000 | 0.000 | 40.406 | 4.209 |
| 4 | 5.697 | 2.615 | 6.265 | 23.611 | 0.000 | 0.000 | 4.950 | 0.000 | 0.000 | 0.000 | 0.861 | 2.520 |
| 5 | 0.000 | 0.000 | 12.966 | 1.473 | 0.156 | 0.000 | 0.000 | 2.070 | 0.000 | 0.000 | 0.731 | 4.925 |
| 6 | 0.000 | 3.683 | 30.234 | 18.662 | 0.000 | 2.524 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.220 |
| 7 | 14.243 | 3.458 | 33.195 | 11.919 | 1.721 | 10.271 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.706 |
| 8 | 11.781 | 11.696 | 8.416 | 31.185 | 1.617 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.809 | 0.000 |
| 9 | 5.381 | 5.764 | 23.595 | 5.478 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.072 | 2.297 | 26.743 |
| 10 | 17.021 | 0.309 | 1.777 | 0.491 | 0.000 | 4.439 | 0.000 | 4.140 | 0.000 | 0.000 | 12.581 | 13.028 |
| 11 | 7.596 | 0.000 | 0.000 | 2.153 | 5.236 | 0.000 | 0.000 | 0.000 | 0.000 | 1.725 | 1.279 | 6.986 |
| 12 | 1.372 | 5.876 | 14.587 | 0.416 | 0.375 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.605 | 7.674 |
| 13 | 1.161 | 21.733 | 15.803 | 0.113 | 0.000 | 2.350 | 0.000 | 0.000 | 0.000 | 5.355 | 13.625 | 22.820 |
| 14 | 15.368 | 0.056 | 0.499 | 13.260 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.683 | 2.715 | 0.544 |
| 15 | 8.405 | 1.518 | 5.174 | 2.909 | 7.593 | 0.000 | 0.000 | 0.000 | 0.000 | 4.564 | 16.157 | 0.000 |
| 16 | 27.852 | 1.799 | 3.709 | 15.923 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 20.359 | 4.782 |
| 17 | 2.673 | 7.675 | 26.307 | 1.700 | 0.000 | 0.000 | 1.170 | 0.000 | 0.000 | 0.000 | 2.976 | 0.315 |
| 18 | 11.535 | 5.033 | 0.000 | 0.000 | 0.156 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.697 | 0.143 |
| 19 | 23.808 | 17.206 | 13.185 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.252 | 6.082 | 0.000 |
| 20 | 8.968 | 21.620 | 0.717 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.090 | 13.406 | 5.481 | 12.885 |
| 21 | 17.021 | 6.129 | 46.473 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.180 | 0.000 | 8.405 | 9.706 |
| 22 | 0.141 | 0.337 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.180 | 0.000 | 2.049 | 20.255 | 1.432 |
| 23 | 12.097 | 22.070 | 42.297 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.201 | 9.764 |
| 24 | 8.053 | 3.430 | 7.605 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.520 |
| 25 | 8.264 | 15.294 | 15.522 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 8.979 | 3.350 |
| 26 | 0.141 | 9.306 | 1.901 | 0.000 | 0.000 | 1.828 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 5.183 |
| 27 | 8.792 | 14.226 | 10.972 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.720 | 5.355 | 0.000 | 0.315 |
| 28 | 11.289 | 0.478 | 1.777 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 17.647 | 0.000 | 0.000 |
| 29 | 7.737 | - | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 5.283 | 0.000 | 10.193 |
| 30 | 5.310 | - | 0.000 | 0.623 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 17.754 | 0.000 | 20.157 |
| 31 | 7.313 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 2.151 | - | 23.851 |
| Total | 279.58 | 222.22 | 330.92 | 145.05 | 24.46 | 34.64 | 29.16 | 6.39 | 0.99 | 76.30 | 199.21 | 221.05 |
| Hari Hujan | 29.00 | 26.00 | 24.00 | 18.00 | 9.00 | 6.00 | 3.00 | 3.00 | 3.00 | 13.00 | 22.00 | 26.00 |
| Max | 27.852 | 22.070 | 46.473 | 31.185 | 7.593 | 13.230 | 23.040 | 4.140 | 0.720 | 17.754 | 40.406 | 26.743 |
| Avg | 9.02 | 7.94 | 10.67 | 4.83 | 0.79 | 1.15 | 0.94 | 0.21 | 0.03 | 2.46 | 6.64 | 7.13 |
Berdasarkan data hujan TRMM di Grid TRMM-2322, yang terletak di Desa Ngargoharjo, Kecamatan Giritontro, Wonogiri, Provinsi Jawa Tengah, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 1,569.96 mm. Dengan jumlah hari hujan tahunan adalah 182 hari (49.86%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 46.47 mm yang terjadi pada tanggal 21 Maret 1999.
