Between 16:00 and 21:00, heavy rain fell, delaying the Japanese approach and causing "chaos" in the Japanese formations, already exhausted from the long march through the jungle.
Antara pukul 16:00 dan 21:00, hujan lebat turun sehingga menunda pendekatan pihak Jepang dan menimbulkan ”kekacauan” di formasi pihak Jepang yang telah kelelahan karena perjalanan panjang menembus hutan.