| Tahun Data | : | 1999 |
| Nama Stasiun | : | TRMM-2183 |
| Lokasi Stasiun | : | Desa Ngroto, Kecamatan Reban, Batang, Provinsi Jawa Tengah |
| Longitude | : | 109.875000 |
| Latitude | : | -7.125000 |
| Tanggal | Jan | Feb | Mar | Apr | Mei | Jun | Jul | Agu | Sep | Okt | Nov | Des |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 19.553 | 2.558 | 0.949 | 15.274 | 23.204 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.457 | 0.066 |
| 2 | 12.557 | 32.650 | 0.000 | 0.818 | 12.241 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 9.849 | 13.672 |
| 3 | 0.315 | 37.646 | 13.061 | 25.175 | 10.391 | 44.820 | 0.000 | 0.000 | 0.000 | 0.000 | 21.516 | 17.114 |
| 4 | 0.770 | 10.924 | 7.041 | 16.747 | 17.957 | 3.159 | 11.979 | 0.000 | 0.000 | 0.935 | 18.914 | 9.567 |
| 5 | 1.399 | 9.299 | 0.000 | 18.111 | 14.124 | 0.000 | 24.856 | 0.000 | 0.000 | 0.000 | 1.539 | 43.431 |
| 6 | 0.000 | 47.215 | 52.279 | 5.291 | 1.009 | 7.228 | 0.000 | 0.000 | 0.000 | 0.000 | 0.671 | 36.182 |
| 7 | 14.936 | 34.065 | 17.658 | 18.956 | 1.681 | 7.228 | 0.000 | 0.000 | 0.000 | 0.000 | 0.112 | 10.527 |
| 8 | 14.621 | 4.905 | 0.000 | 1.664 | 3.901 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 2.014 | 16.849 |
| 9 | 5.667 | 10.502 | 3.794 | 0.000 | 9.315 | 0.000 | 0.000 | 3.123 | 0.000 | 8.091 | 7.386 | 21.881 |
| 10 | 3.918 | 0.000 | 0.000 | 25.639 | 4.977 | 0.882 | 0.000 | 16.369 | 0.000 | 0.144 | 0.140 | 14.400 |
| 11 | 3.988 | 2.949 | 0.000 | 3.764 | 2.556 | 0.427 | 0.000 | 23.699 | 0.000 | 2.985 | 75.907 | 0.000 |
| 12 | 17.105 | 10.863 | 17.803 | 0.355 | 9.416 | 1.707 | 0.000 | 0.000 | 0.000 | 2.086 | 7.946 | 29.197 |
| 13 | 0.000 | 10.141 | 24.042 | 0.000 | 0.000 | 11.041 | 0.000 | 0.000 | 0.000 | 46.171 | 7.275 | 7.912 |
| 14 | 17.804 | 0.000 | 0.000 | 55.396 | 6.759 | 46.243 | 0.000 | 0.000 | 8.370 | 14.383 | 3.917 | 12.910 |
| 15 | 5.352 | 2.738 | 32.214 | 14.019 | 4.742 | 0.484 | 0.000 | 0.164 | 0.000 | 21.899 | 5.988 | 0.596 |
| 16 | 8.920 | 14.866 | 9.449 | 10.146 | 1.816 | 0.000 | 11.221 | 0.000 | 0.180 | 11.615 | 1.511 | 0.000 |
| 17 | 26.759 | 45.289 | 3.940 | 2.318 | 0.000 | 0.000 | 4.965 | 0.000 | 0.000 | 0.000 | 9.933 | 2.615 |
| 18 | 74.784 | 7.192 | 0.000 | 9.546 | 4.607 | 0.000 | 0.000 | 0.000 | 0.000 | 15.930 | 28.371 | 6.256 |
| 19 | 53.657 | 30.514 | 28.128 | 0.982 | 1.513 | 0.000 | 0.000 | 0.000 | 0.180 | 0.144 | 0.504 | 8.706 |
| 20 | 26.269 | 13.391 | 2.043 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.180 | 17.548 | 4.952 | 10.593 |
| 21 | 6.296 | 17.935 | 32.871 | 0.764 | 0.000 | 5.094 | 0.000 | 0.000 | 0.000 | 12.082 | 6.883 | 15.625 |
| 22 | 36.308 | 3.822 | 4.670 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 33.801 | 5.204 | 12.513 |
| 23 | 85.418 | 7.794 | 64.100 | 0.000 | 0.000 | 5.720 | 0.000 | 0.756 | 0.000 | 3.488 | 15.025 | 16.287 |
| 24 | 38.371 | 0.662 | 14.447 | 0.000 | 0.000 | 0.000 | 0.084 | 10.190 | 0.000 | 0.000 | 10.772 | 23.437 |
| 25 | 27.773 | 30.694 | 14.046 | 0.000 | 0.000 | 0.000 | 0.000 | 2.169 | 7.020 | 0.000 | 21.880 | 32.011 |
| 26 | 28.158 | 1.806 | 5.472 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.360 | 0.000 | 24.062 | 34.957 |
| 27 | 0.000 | 25.278 | 1.934 | 0.000 | 7.768 | 0.000 | 0.000 | 4.306 | 3.690 | 0.000 | 3.917 | 3.377 |
| 28 | 20.532 | 23.171 | 0.000 | 3.164 | 0.000 | 0.000 | 0.000 | 6.377 | 2.250 | 45.379 | 1.119 | 0.000 |
| 29 | 12.138 | - | 43.414 | 33.439 | 0.000 | 1.195 | 0.000 | 0.000 | 0.000 | 7.551 | 0.000 | 47.602 |
| 30 | 1.749 | - | 16.672 | 11.401 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.503 | 4.952 | 5.661 |
| 31 | 0.735 | - | 0.000 | - | 0.000 | - | 0.000 | 0.000 | - | 39.554 | - | 22.411 |
| Total | 565.85 | 438.87 | 410.03 | 272.97 | 137.98 | 135.23 | 53.11 | 67.15 | 22.23 | 284.29 | 311.72 | 476.36 |
| Hari Hujan | 28.00 | 26.00 | 22.00 | 21.00 | 18.00 | 13.00 | 5.00 | 9.00 | 8.00 | 19.00 | 29.00 | 28.00 |
| Max | 85.418 | 47.215 | 64.100 | 55.396 | 23.204 | 46.243 | 24.856 | 23.699 | 8.370 | 46.171 | 75.907 | 47.602 |
| Avg | 18.25 | 15.67 | 13.23 | 9.10 | 4.45 | 4.51 | 1.71 | 2.17 | 0.74 | 9.17 | 10.39 | 15.37 |
Berdasarkan data hujan TRMM di Grid TRMM-2183, yang terletak di Desa Ngroto, Kecamatan Reban, Batang, Provinsi Jawa Tengah, curah hujan tahunan yang terjadi pada tahun 1999 adalah sebesar 3,175.77 mm. Dengan jumlah hari hujan tahunan adalah 226 hari (61.92%). Curah hujan harian maksimum tahunan yang tercatat adalah sebesar 85.42 mm yang terjadi pada tanggal 23 Januari 1999.
