月ごとの値
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下関（山口県) 1971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 | ||||||||||||||||||||||||||||
| 100.7 | 32 | 2 | 10 | 5.6 | 3 | 3 | 05 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 05 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 7.4 | 2 | 16 | 8 | 1 | 1 | |
| 104.1 | 34 | 5 | 12 | 7.7 | 7 | 4 | 03 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 03 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 16 | 10 | 2 | 0 | |
| 188.1 | 51 | 5 | 20 | 11.7 | 2 | 2 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 14 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 6.0 | 1 | 10 | 4 | 3 | 0 | |
| 225.8 ) | 60 ) | 4 ) | 21 ) | 15.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 8 | 8 | 0 | 4 | 0 | |||
| 209.3 | 49 | 4 | 18 | 15.5 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 6 | 11 | 0 | 4 | 1 | |||
| 123.6 | 29 | 5 | 8 | 12.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 20 | 0 | 5 | 1 | |||
| 195.0 | 45 | 3 | 18 | 14.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 2 | 13 | 0 | 1 | 8 | |||
| 176.3 | 43 | 2 | 16 | 14.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 2 | 11 | 0 | 0 | 6 | |||
| 178.7 | 48 | 6 | 19 | 13.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 1 | 14 | 0 | 0 | 1 | |||
| 199.4 | 57 | 2 | 23 | 12.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 1 | 8 | 0 | 1 | 0 | |||
| 174.0 | 56 | 1 | 22 | 9.9 | 0 | 0 | 30* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 7 | 7 | 0 | 0 | 0 | ||
| 104.5 | 34 | 6 | 10 | 6.2 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 1 | 8 | 0 | 0 | 0 | ||