Only the current version so far — new entries appear as the app ships updates.
雨ですかい?【雨が降る時間と量がすぐわかる雨雲レーダー】 is a weather app by Tricell, Inc. with 50,000+ downloads (about 68K estimated). +47 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “It's a free app that lets you know when and how much it rains. With various functions such as "rainfall graph" and "is it raining now? Notification", we will do our best to support your decision to avoid rain!”