月ごとの値
 |  |
 |  |
 |  |  |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
日田（大分県) 1981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 | ||||||||||||||||||||||||||||
| 129.4 | 41 | 5 | 14 | 13 | 11 | 11 | 1 | 1 | 1 | 0 | 0 | 0 | 11 | 11 | 7 | 4 | 1 | 1 | 0 | 0 | 0 | 6.2 | 6 | 10 | 15 | 5 | 0 | ||
| 115.8 | 38 | 3 | 10 | 11 | 8 | 26 | 1 | 1 | 0 | 0 | 0 | 0 | 6 | 26 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 7.1 | 3 | 13 | 5 | 3 | 1 | ||
| 161.1 | 44 | 7 | 17 | 6 | 6 | 01 | 1 | 1 | 0 | 0 | 0 | 0 | 6 | 01 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 6.5 | 5 | 15 | 2 | 7 | 0 | ||
| 172.4 | 44 | 5 | 17 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 4 | 14 | 0 | 5 | 1 | ||||
| 218.7 | 51 | 2 | 20 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 4 | 12 | 0 | 3 | 1 | ||||
| 125.7 | 29 | 9 | 11 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 2 | 20 | 0 | 0 | 4 | ||||
| 198.9 | 46 | 0 | 19 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 14 | 0 | 3 | 11 | ||||
| 216.4 | 52 | 1 | 22 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 1 | 8 | 0 | 0 | 2 | ||||
| 159.5 | 43 | 2 | 17 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 15 | 0 | 4 | 0 | ||||
| 156.0 | 44 | 4 | 19 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 1 | 9 | 0 | 8 | 0 | ||||
| 115.6 | 37 | 6 | 14 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 2 | 14 | 0 | 16 | 0 | ||||
| 129.6 | 42 | 2 | 17 | 1 | 1 | 02 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 02 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 6.0 | 3 | 8 | 6 | 13 | 0 | ||