月ごとの値
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下関（山口県) 1975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 | ||||||||||||||||||||||||||||
| 113.6 | 36 | 2 | 11 | 6.9 | 9 | 8 | 22 | 1 | 1 | 0 | 0 | 0 | 0 | 8 | 22 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 8.1 | 0 | 17 | 11 | 0 | 0 | |
| 123.0 | 40 | 5 | 15 | 9.2 | 13 | 8 | 22 | 2 | 1 | 0 | 0 | 0 | 0 | 8 | 22 | 5 | 5 | 2 | 0 | 0 | 0 | 0 | 7.5 | 0 | 12 | 7 | 2 | 2 | |
| 235.5 | 64 | 2 | 25 | 15.5 | 0 | 0 | 24* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 6 | 7 | 0 | 0 | 0 | ||
| 168.5 | 43 | 6 | 15 | 14.5 ) | 0 | 0 | 02* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 18 | 1 | 2 | 2 | ||
| 224.9 | 52 | 3 | 20 | 18.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 1 | 6 | 0 | 1 | 0 | |||
| 218.6 | 51 | 3 | 18 | 17.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 2 | 13 | 0 | 1 | 3 | |||
| 271.8 | 62 | 1 | 27 | 20.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 1 | 11 | 0 | 0 | 6 | |||
| 271.9 | 66 | 0 | 25 | 19.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 2 | 6 | 0 | 0 | 5 | |||
| 205.2 | 55 | 0 | 21 | 15.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 5 | 6 | 0 | 0 | 7 | |||
| 171.3 | 49 | 3 | 18 | 11.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 2 | 12 | 0 | 0 | 0 | |||
| 162.5 | 52 | 2 | 18 | 9.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 3 | 10 | 0 | 0 | 0 | |||
| 121.7 | 40 | 2 | 17 | 6.1 | 0 | 0 | 24* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 2 | 14 | 9 | 0 | 0 | ||