月ごとの値
 |  |
 |  |
 |  |  |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
下関（山口県) 1990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 | ||||||||||||||||||||||||||||
| 68.5 | 22 | 4 | 8 | 5.5 | 12 | 12 | 24 | 1 | 1 | 1 | 0 | 0 | 0 | 12 | 24 | 3 | 3 | 1 | 1 | 0 | 0 | 0 | 8.1 | 0 | 16 | 10 | 0 | 1 | |
| 84.4 | 28 | 10 | 10 | 7.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 1 | 15 | 0 | 0 | 0 | |||
| 156.1 | 42 | 5 | 17 | 12.6 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 2 | 8 | 0 | 1 | 1 | ||
| 195.3 | 50 | 4 | 19 | 16.1 | 0 | 0 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 10 | 0 | 1 | 1 | ||
| 204.3 | 48 | 6 | 18 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 3 | 11 | 0 | 0 | 1 | |||
| 180.2 | 42 | 6 | 15 | 16.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 1 | 13 | 0 | 1 | 2 | |||
| 234.9 | 54 | 3 | 22 | 18.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 1 | 5 | 0 | 0 | 3 | |||
| 278.4 | 67 | 0 | 27 | 20.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.1 | 7 | 2 | 0 | 0 | 4 | |||
| 130.5 | 35 | 7 | 12 | 11.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 4 | 13 | 0 | 1 | 4 | |||
| 149.9 | 43 | 4 | 17 | 10.4 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 3 | 14 | 0 | 0 | 2 | ||
| 135.1 | 43 | 4 | 18 | 8.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 4 | 7 | 0 | 1 | 0 | |||
| 83.0 | 27 | 8 | 9 | 5.5 | 0 | 0 | 27* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 4 | 10 | 2 | 0 | 0 | ||