| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-2327 |
| Lokasi Stasiun | : | Desa Purworejo, Kecamatan Sanankulon, Blitar, Provinsi Jawa Timur |
| Longitude | : | 112.125000 |
| Latitude | : | -8.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.118 | 1.729 | 0.000 | 0.000 | 51.416 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 14.977 | 1.493 |
| 2 | 9.626 | 20.562 | 0.000 | 4.924 | 11.114 | 0.000 | 0.990 | 0.000 | 0.000 | 0.000 | 5.186 | 3.715 |
| 3 | 0.904 | 9.935 | 11.901 | 9.828 | 0.000 | 36.000 | 0.000 | 0.000 | 0.000 | 0.000 | 21.354 | 37.549 |
| 4 | 9.783 | 0.629 | 18.416 | 20.505 | 0.000 | 0.000 | 45.810 | 0.000 | 0.000 | 0.000 | 10.983 | 13.876 |
| 5 | 0.000 | 0.000 | 21.457 | 0.949 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.435 | 0.838 |
| 6 | 4.990 | 11.382 | 32.880 | 4.601 | 0.000 | 1.350 | 0.000 | 0.000 | 0.000 | 0.000 | 0.644 | 19.703 |
| 7 | 5.422 | 0.000 | 18.850 | 8.961 | 4.827 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.549 |
| 8 | 7.701 | 3.584 | 13.725 | 53.239 | 1.347 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.340 | 6.993 |
| 9 | 14.105 | 12.954 | 26.669 | 16.791 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.193 | 10.052 |
| 10 | 33.160 | 7.294 | 0.000 | 4.723 | 0.000 | 0.000 | 0.000 | 21.874 | 0.000 | 0.000 | 2.480 | 7.685 |
| 11 | 9.547 | 5.156 | 51.947 | 7.649 | 4.715 | 0.000 | 0.000 | 0.000 | 0.000 | 2.491 | 0.000 | 2.477 |
| 12 | 6.443 | 10.627 | 0.912 | 5.025 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.779 | 19.583 | 17.809 |
| 13 | 8.290 | 11.036 | 15.549 | 25.893 | 1.123 | 0.000 | 0.000 | 0.000 | 0.000 | 7.073 | 43.578 | 37.294 |
| 14 | 12.140 | 0.786 | 3.692 | 24.137 | 3.368 | 0.000 | 0.000 | 0.000 | 0.000 | 13.346 | 9.018 | 6.228 |
| 15 | 4.715 | 4.810 | 5.777 | 9.162 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.892 | 58.522 | 0.000 |
| 16 | 22.474 | 1.100 | 23.759 | 33.663 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 38.811 | 19.849 |
| 17 | 7.622 | 0.880 | 17.243 | 0.283 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 17.006 | 0.000 |
| 18 | 23.102 | 0.534 | 12.335 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 14.204 | 16.098 |
| 19 | 46.322 | 14.620 | 23.889 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.707 |
| 20 | 7.740 | 19.242 | 0.000 | 0.000 | 0.000 | 6.660 | 0.000 | 0.000 | 0.000 | 23.577 | 4.960 | 0.692 |
| 21 | 0.275 | 10.501 | 33.140 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.075 | 0.000 | 32.852 | 1.348 |
| 22 | 4.833 | 2.955 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 29.503 | 0.328 |
| 23 | 23.299 | 7.451 | 1.303 | 0.000 | 0.000 | 0.000 | 0.000 | 0.870 | 0.000 | 0.000 | 17.747 | 0.000 |
| 24 | 1.964 | 1.729 | 10.424 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.897 | 14.531 |
| 25 | 8.329 | 4.402 | 19.502 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.753 | 3.292 | 5.314 | 14.786 |
| 26 | 0.118 | 9.621 | 1.998 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 23.766 | 23.666 | 0.258 | 4.370 |
| 27 | 2.122 | 5.282 | 0.956 | 3.653 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 11.032 | 0.000 | 8.340 |
| 28 | 9.705 | 0.975 | 8.513 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 11.210 | 0.000 | 0.000 |
| 29 | 13.358 | - | 1.129 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.559 | 0.000 | 3.824 |
| 30 | 7.386 | - | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 17.527 | 0.000 | 41.701 |
| 31 | 5.933 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 6.717 | - | 50.587 |
| Total | 311.53 | 179.78 | 375.97 | 233.99 | 77.91 | 44.01 | 46.80 | 22.74 | 25.59 | 128.16 | 370.85 | 355.42 |
| Hari Hujan | 30.00 | 26.00 | 24.00 | 17.00 | 7.00 | 3.00 | 2.00 | 2.00 | 3.00 | 13.00 | 23.00 | 27.00 |
| Max | 46.322 | 20.562 | 51.947 | 53.239 | 51.416 | 36.000 | 45.810 | 21.874 | 23.766 | 23.666 | 58.522 | 50.587 |
| Avg | 10.05 | 6.42 | 12.13 | 7.80 | 2.51 | 1.47 | 1.51 | 0.73 | 0.85 | 4.13 | 12.36 | 11.47 |
Berdasarkan data hujan TRMM di Grid TRMM-2327, yang terletak di Desa Purworejo, Kecamatan Sanankulon, Blitar, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 2,172.74 mm. Dengan jumlah hari hujan tahunan adalah 177 hari (48.49%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 58.52 mm yang terjadi pada tanggal 15 November 1999.