月ごとの値
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下関（山口県) 1997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 | ||||||||||||||||||||||||||||
| 107.9 | 34 | 4 | 10 | 5.9 | 4 | 2 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 22* | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 7.3 | 1 | 14 | 11 | 0 | 0 | |
| 140.4 | 46 | 2 | 16 | 10.0 | 0 | 0 | 19* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 4 | 11 | 6 | 0 | 0 | ||
| 175.0 | 47 | 3 | 16 | 13.0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 6 | 8 | 0 | 0 | 0 | ||
| 200.2 | 51 | 6 | 18 | 15.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 6 | 11 | 0 | 1 | 4 | |||
| 200.5 | 47 | 3 | 19 | 17.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 10 | 0 | 2 | 4 | |||
| 182.5 ) | 42 ) | 5 | 16 ) | 18.1 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 2 | 13 | 0 | 0 | 2 | |||
| 167.8 ) | 38 ) | 8 | 15 | 15.9 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 5 | 14 | 0 | 0 | 4 | |||
| 206.7 | 50 | 2 | 19 | 17.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 3 | 11 | 0 | 0 | 6 | |||
| 161.7 | 44 | 7 | 17 | 14.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 10 | 0 | 0 | 1 | |||
| 228.5 | 65 | 1 | 26 | 14.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 6 | 3 | 0 | 0 | 0 | |||
| 142.8 | 46 | 6 | 16 | 8.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 6 | 10 | 0 | 0 | 4 | |||
| 106.5 ) | 35 ) | 7 | 12 ) | 6.3 ) | 0 | 0 | 11* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 3 | 16 | 4 | 0 | 1 | ||