2月1日以降の日最高気温の合計が600℃に達すると開花すると言われています。
志高湖開花予測日
🌸2026年 現在の合計温度 ℃ |
2025年実測はコチラのリンクから
| 合計 | 6.7 |
| 2/1 | 6.7 |
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