I figured out the cause was the heavy rains that had come through the Pacific Coast just a week ago.

英訳に間違いが有れば正してください。

私はその原因が、ほんの1週間前に太平洋沿岸を通過した大雨ではないかと考えた。
I figured out the cause was the heavy rains that had come through the Pacific Coast just a week ago.

ヒント
考えた

答え
figured outをfiguredにする

I figured the cause was the heavy rains that had come through the Pacific Coast just a week ago.

figure outだと分かったことになってしまう

The passwords were easy to figure out.
そのパスワードは簡単に分かってしまった。