月ごとの値
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下関（山口県) 2018年（月ごとの値） 詳細（日照・雪・その他）
| 月 | 日照時間(h) | 全天日射量 (MJ/㎡) | 雪(cm) | 雲量 | 大気現象 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 合計 | 日照率 | 各階級の日数 | 降雪 | 各階級の日数（降雪） | 最深積雪 | 各階級の日数（最深積雪） | 平均 | 各階級の日数 | 雪日数 | 霧日数 | 雷日数 | ||||||||||||||||||
| 不照 | 日照率 ≧40% | 平均 | 合計 | 日合計の最大 | ≧3cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | 値 | 日 | ≧0cm | ≧1cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ＜1.5 | ≧8.5 | ||||||||
| 値 | 日 | ||||||||||||||||||||||||||||
| 70.3 | 22 | 3 | 8 | 6.1 | 4 | 4 | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 23 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 18 | 12 | 0 | 0 | |
| 118.9 | 39 | 4 | 12 | 10.2 | 5 | 3 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 11 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 7.2 | 1 | 15 | 9 | 0 | 1 | |
| 210.9 | 57 | 6 | 20 | 14.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 10 | 8 | 0 | 0 | 1 | |||
| 211.5 | 54 | 4 | 20 | 18.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 4 | 8 | 0 | 0 | 0 | |||
| 193.5 | 45 | 7 | 18 | 18.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 2 | 13 | 0 | 0 | 1 | |||
| 173.0 | 40 | 5 | 15 | 17.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 1 | 17 | 0 | 0 | 2 | |||
| 264.3 | 60 | 5 | 24 | 21.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 6 | 10 | 0 | 1 | 1 | |||
| 292.5 | 71 | 0 | 28 | 22.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 5 | 5 | 0 | 0 | 2 | |||
| 111.7 | 30 | 8 | 10 | 11.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 17 | 0 | 0 | 3 | |||
| 174.8 | 50 | 4 | 21 | 12.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 1 | 9 | 0 | 0 | 1 | |||
| 160.7 | 52 | 2 | 20 | 9.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 4 | 5 | 0 | 0 | 0 | |||
| 78.9 | 26 | 9 | 11 | 5.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 15 | 4 | 0 | 1 | |||