月ごとの値
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下関（山口県) 1998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 | ||||||||||||||||||||||||||||
| 66.3 ) | 21 ) | 8 | 6 ) | 5.6 ) | 2 | 2 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 24 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 19 | 8 | 0 | 1 | |
| 108.9 | 36 | 3 | 13 | 9.3 ) | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 11 | 1 | 0 | 1 | ||
| 171.5 | 46 | 3 | 17 | 13.7 | 0 | 0 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 3 | 11 | 0 | 0 | 0 | ||
| 158.5 | 41 | 9 | 15 | 15.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 5 | 14 | 0 | 3 | 3 | |||
| 163.6 ) | 38 ) | 4 | 14 | 16.6 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 1 | 18 | 0 | 0 | 0 | |||
| 119.8 ) | 28 ) | 6 | 9 ) | 14.8 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 0 | 21 | 0 | 0 | 3 | |||
| 189.9 | 43 | 4 | 19 | 18.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 13 | 0 | 0 | 5 | |||
| 196.7 ) | 47 ) | 0 | 19 | 17.8 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 8 | 0 | 0 | 5 | |||
| 171.4 | 46 | 4 | 16 | 15.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 2 | 12 | 0 | 0 | 1 | |||
| 137.3 | 39 | 6 | 13 | 10.7 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 3 | 15 | 0 | 0 | 1 | |||
| 154.2 | 49 | 2 | 19 | 9.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 0 | 9 | 0 | 1 | 1 | |||
| 169.1 | 55 | 1 | 21 | 8.7 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 3 | 6 | 0 | 0 | 0 | ||