| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-2258 |
| Lokasi Stasiun | : | Desa Wonokerto, Kecamatan Turi, Sleman, Provinsi Daerah Istimewa Yogyakarta |
| Longitude | : | 110.375000 |
| Latitude | : | -7.625000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2.510 | 0.158 | 2.645 | 0.086 | 9.092 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 5.950 | 5.966 |
| 2 | 18.263 | 22.268 | 0.000 | 0.000 | 5.339 | 0.000 | 4.942 | 0.000 | 0.000 | 0.000 | 11.502 | 13.463 |
| 3 | 0.276 | 8.556 | 3.094 | 6.697 | 8.103 | 34.984 | 0.000 | 0.000 | 0.000 | 0.000 | 14.310 | 36.197 |
| 4 | 0.000 | 0.991 | 0.449 | 20.399 | 23.097 | 3.484 | 47.114 | 0.000 | 0.000 | 0.000 | 9.533 | 31.628 |
| 5 | 2.602 | 0.000 | 9.605 | 0.378 | 0.000 | 0.000 | 10.788 | 0.000 | 0.000 | 0.000 | 2.787 | 18.864 |
| 6 | 0.000 | 9.006 | 31.285 | 65.353 | 0.000 | 11.164 | 0.038 | 0.000 | 0.000 | 0.000 | 0.000 | 2.553 |
| 7 | 5.896 | 1.531 | 20.657 | 1.614 | 2.388 | 23.323 | 0.000 | 0.000 | 0.000 | 0.000 | 0.021 | 13.382 |
| 8 | 12.620 | 7.633 | 4.291 | 2.335 | 5.612 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.640 | 9.190 |
| 9 | 12.620 | 11.280 | 65.888 | 6.096 | 0.034 | 0.000 | 0.000 | 0.630 | 0.000 | 0.244 | 13.283 | 9.002 |
| 10 | 6.633 | 3.085 | 24.424 | 2.953 | 0.000 | 0.356 | 0.038 | 0.000 | 0.000 | 0.000 | 11.796 | 10.937 |
| 11 | 1.589 | 0.000 | 10.029 | 0.876 | 1.296 | 0.000 | 0.000 | 21.780 | 0.000 | 2.623 | 8.087 | 0.537 |
| 12 | 12.574 | 5.224 | 15.992 | 66.366 | 20.795 | 0.000 | 0.000 | 0.000 | 0.000 | 0.183 | 0.000 | 10.695 |
| 13 | 4.168 | 56.514 | 26.919 | 1.185 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 16.284 | 13.199 | 14.538 |
| 14 | 5.665 | 2.792 | 0.624 | 15.042 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 21.774 | 4.379 | 0.000 |
| 15 | 12.206 | 6.575 | 5.164 | 9.272 | 2.746 | 0.000 | 0.000 | 0.000 | 0.000 | 21.164 | 3.604 | 0.000 |
| 16 | 16.582 | 10.470 | 24.649 | 13.703 | 0.000 | 0.000 | 0.000 | 0.270 | 0.000 | 5.672 | 15.881 | 0.537 |
| 17 | 16.720 | 20.737 | 23.327 | 0.292 | 0.000 | 0.000 | 0.868 | 0.000 | 0.000 | 3.690 | 18.102 | 3.386 |
| 18 | 9.350 | 36.228 | 12.898 | 0.000 | 1.382 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 6.960 |
| 19 | 45.991 | 13.037 | 1.971 | 0.000 | 3.088 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.394 | 1.666 |
| 20 | 1.428 | 10.965 | 1.796 | 0.000 | 1.279 | 0.000 | 0.000 | 0.000 | 0.900 | 8.142 | 8.339 | 11.582 |
| 21 | 4.675 | 16.887 | 22.478 | 0.000 | 0.000 | 2.418 | 0.000 | 0.000 | 0.180 | 9.027 | 9.973 | 28.135 |
| 22 | 7.761 | 7.115 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.350 | 0.000 | 0.793 | 14.163 | 24.642 |
| 23 | 15.891 | 16.256 | 20.408 | 0.000 | 0.000 | 0.071 | 0.000 | 4.860 | 0.000 | 0.000 | 10.371 | 3.198 |
| 24 | 36.825 | 5.989 | 15.119 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.623 | 33.669 | 5.589 |
| 25 | 32.956 | 51.921 | 1.871 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 15.030 | 0.945 | 12.697 | 24.050 |
| 26 | 2.372 | 6.687 | 0.000 | 0.000 | 0.000 | 1.849 | 0.000 | 0.000 | 0.360 | 0.000 | 0.000 | 10.641 |
| 27 | 2.326 | 23.844 | 3.094 | 0.000 | 0.000 | 11.092 | 0.000 | 0.000 | 11.250 | 3.141 | 0.105 | 5.186 |
| 28 | 16.996 | 0.383 | 3.892 | 1.185 | 0.000 | 0.000 | 0.000 | 0.000 | 0.090 | 24.457 | 0.000 | 1.585 |
| 29 | 5.504 | - | 9.306 | 2.455 | 0.000 | 0.000 | 0.000 | 0.090 | 0.000 | 0.000 | 0.000 | 0.107 |
| 30 | 3.247 | - | 0.000 | 5.563 | 0.000 | 0.000 | 0.000 | 0.000 | 0.180 | 12.351 | 0.000 | 17.951 |
| 31 | 0.000 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 44.767 | - | 13.973 |
| Total | 316.25 | 356.13 | 361.88 | 221.85 | 84.25 | 88.74 | 63.79 | 28.98 | 27.99 | 177.88 | 227.79 | 336.14 |
| Hari Hujan | 28.00 | 26.00 | 26.00 | 19.00 | 13.00 | 9.00 | 6.00 | 6.00 | 7.00 | 17.00 | 23.00 | 29.00 |
| Max | 45.991 | 56.514 | 65.888 | 66.366 | 23.097 | 34.984 | 47.114 | 21.780 | 15.030 | 44.767 | 33.669 | 36.197 |
| Avg | 10.20 | 12.72 | 11.67 | 7.40 | 2.72 | 2.96 | 2.06 | 0.93 | 0.93 | 5.74 | 7.59 | 10.84 |
Berdasarkan data hujan TRMM di Grid TRMM-2258, yang terletak di Desa Wonokerto, Kecamatan Turi, Sleman, Provinsi Daerah Istimewa Yogyakarta, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 2,291.66 mm. Dengan jumlah hari hujan tahunan adalah 209 hari (57.26%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 66.37 mm yang terjadi pada tanggal 12 April 1999.