| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-2323 |
| Lokasi Stasiun | : | Desa Mlati, Kecamatan Arjosari, Pacitan, Provinsi Jawa Timur |
| Longitude | : | 111.125000 |
| Latitude | : | -8.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 3.505 | 3.577 | 0.484 | 6.431 | 5.821 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.842 | 0.000 |
| 2 | 5.608 | 17.369 | 0.000 | 3.701 | 3.546 | 0.000 | 8.100 | 0.000 | 0.000 | 0.000 | 8.032 | 2.694 |
| 3 | 4.652 | 10.525 | 3.196 | 8.508 | 0.000 | 12.831 | 0.000 | 0.000 | 0.000 | 0.000 | 30.657 | 8.926 |
| 4 | 6.660 | 1.529 | 10.588 | 25.909 | 0.000 | 1.235 | 3.150 | 0.000 | 0.000 | 0.000 | 1.499 | 11.118 |
| 5 | 0.000 | 0.000 | 18.594 | 1.725 | 0.000 | 0.000 | 0.000 | 5.220 | 0.000 | 0.000 | 2.206 | 2.260 |
| 6 | 0.000 | 3.940 | 26.084 | 11.790 | 0.000 | 1.921 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 5.068 |
| 7 | 3.155 | 0.441 | 36.769 | 15.776 | 0.000 | 3.637 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.333 |
| 8 | 11.790 | 19.054 | 16.464 | 44.482 | 2.069 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.772 | 3.904 |
| 9 | 7.424 | 4.614 | 34.025 | 8.206 | 0.000 | 0.000 | 0.000 | 1.710 | 0.000 | 0.000 | 0.085 | 23.514 |
| 10 | 15.486 | 5.807 | 3.131 | 1.273 | 0.000 | 6.656 | 0.000 | 4.590 | 0.000 | 0.000 | 14.028 | 9.725 |
| 11 | 1.944 | 0.000 | 0.000 | 2.194 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 1.455 | 1.584 | 2.466 |
| 12 | 1.498 | 5.340 | 17.626 | 2.445 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 12.104 | 6.461 |
| 13 | 4.206 | 20.169 | 7.619 | 1.323 | 0.887 | 2.813 | 0.000 | 0.000 | 0.000 | 6.034 | 14.169 | 30.317 |
| 14 | 9.368 | 0.000 | 2.550 | 13.130 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.244 | 2.630 | 0.000 |
| 15 | 12.013 | 0.493 | 5.940 | 5.058 | 7.003 | 0.000 | 0.000 | 0.000 | 0.000 | 5.093 | 12.981 | 0.000 |
| 16 | 22.465 | 0.441 | 3.034 | 18.406 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.171 | 31.619 | 5.890 |
| 17 | 6.118 | 5.677 | 20.434 | 2.646 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 6.081 | 0.000 |
| 18 | 9.241 | 2.852 | 0.097 | 0.000 | 0.141 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 6.986 | 0.457 |
| 19 | 22.273 | 24.057 | 14.204 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.790 | 0.000 |
| 20 | 3.760 | 18.043 | 1.356 | 0.000 | 0.000 | 0.755 | 0.000 | 0.000 | 0.180 | 22.810 | 2.574 | 11.072 |
| 21 | 8.667 | 2.229 | 43.096 | 0.000 | 0.000 | 0.549 | 0.000 | 0.270 | 0.000 | 0.128 | 12.218 | 6.757 |
| 22 | 0.765 | 0.026 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.270 | 0.000 | 0.000 | 10.775 | 1.598 |
| 23 | 15.295 | 21.543 | 28.925 | 0.000 | 0.000 | 0.000 | 0.000 | 0.630 | 0.000 | 0.000 | 2.432 | 15.364 |
| 24 | 6.182 | 2.281 | 5.908 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 4.451 | 8.598 | 3.653 |
| 25 | 5.736 | 15.632 | 9.620 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 10.040 | 3.470 |
| 26 | 0.000 | 7.725 | 0.484 | 0.000 | 0.000 | 2.813 | 0.000 | 0.000 | 0.000 | 2.311 | 0.000 | 2.671 |
| 27 | 11.408 | 7.959 | 8.716 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.450 | 10.014 | 0.000 | 1.895 |
| 28 | 7.807 | 1.711 | 0.581 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 15.835 | 0.000 | 0.000 |
| 29 | 1.721 | - | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 3.723 | 0.028 | 8.013 |
| 30 | 5.098 | - | 0.484 | 0.419 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 22.810 | 0.000 | 14.679 |
| 31 | 12.569 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 6.766 | - | 36.572 |
| Total | 226.41 | 203.03 | 320.01 | 173.42 | 19.47 | 33.21 | 11.25 | 12.69 | 0.63 | 110.85 | 207.73 | 221.88 |
| Hari Hujan | 28.00 | 25.00 | 26.00 | 18.00 | 6.00 | 9.00 | 2.00 | 6.00 | 2.00 | 14.00 | 24.00 | 25.00 |
| Max | 22.465 | 24.057 | 43.096 | 44.482 | 7.003 | 12.831 | 8.100 | 5.220 | 0.450 | 22.810 | 31.619 | 36.572 |
| Avg | 7.30 | 7.25 | 10.32 | 5.78 | 0.63 | 1.11 | 0.36 | 0.41 | 0.02 | 3.58 | 6.92 | 7.16 |
Berdasarkan data hujan TRMM di Grid TRMM-2323, yang terletak di Desa Mlati, Kecamatan Arjosari, Pacitan, Provinsi Jawa Timur, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 1,540.58 mm. Dengan jumlah hari hujan tahunan adalah 185 hari (50.68%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 44.48 mm yang terjadi pada tanggal 8 April 1999.
