月ごとの値
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下関（山口県) 1974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 | ||||||||||||||||||||||||||||
| 153.0 | 49 | 0 | 19 | 8.3 | 0 | 0 | 26* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 2 | 10 | 6 | 0 | 0 | ||
| 129.4 | 42 | 4 | 15 | 9.0 | 6 | 4 | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 27 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 7.6 | 2 | 13 | 9 | 0 | 0 | |
| 194.3 | 53 | 6 | 23 | 13.4 | 0 | 0 | 26* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 1 | 13 | 5 | 3 | 2 | ||
| 226.4 | 58 | 4 | 22 | 16.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 4 | 9 | 0 | 2 | 1 | |||
| 236.2 | 55 | 4 | 22 | 18.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 5 | 10 | 0 | 0 | 1 | |||
| 237.9 | 55 | 3 | 22 | 19.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 4 | 11 | 0 | 0 | 2 | |||
| 122.4 | 28 | 8 | 13 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 0 | 21 | 0 | 3 | 5 | |||
| 283.1 ) | 71 ) | 0 ) | 26 ) | 19.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.8 | 5 | 4 | 0 | 0 | 0 | |||
| 191.1 | 51 | 2 | 20 | 14.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 2 | 9 | 0 | 0 | 3 | |||
| 167.1 | 48 | 4 | 17 | 11.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 2 | 11 | 0 | 0 | 0 | |||
| 173.6 | 56 | 2 | 21 | 9.5 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 2 | 5 | 0 | 1 | 1 | ||
| 90.9 | 30 | 6 | 9 | 5.5 | 0 | 0 | 20* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 1 | 18 | 1 | 0 | 0 | ||