月ごとの値
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八丈島（東京都) 1961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 | ||||||||||||||||||||||||||||
| 113.4 | 36 | 3 | 15 | 0 | 0 | 27* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 14 | 0 | 0 | 1 | ||
| 106.7 | 35 | 4 | 11 | 0 | 0 | 28* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 17 | 2 | 0 | 4 | ||
| 162.1 | 44 | 4 | 17 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 12 | 0 | 0 | 3 | |||
| 180.9 | 47 | 3 | 14 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 1 | 11 | 0 | 0 | 1 | ||||
| 132.1 | 31 | 5 | 12 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 18 | 0 | 0 | 2 | ||||
| 154.2 | 36 | 6 | 15 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 17 | 0 | 2 | 0 | ||||
| 206.9 | 47 | 3 | 18 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 14 | 0 | 0 | 3 | ||||
| 241.8 | 59 | 0 | 24 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 8 | 0 | 0 | 8 | ||||
| 201.2 | 54 | 1 | 23 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 0 | 5 | 0 | 0 | 1 | ||||
| 113.7 | 32 | 9 | 13 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 1 | 16 | 0 | 0 | 1 | ||||
| 143.7 | 46 | 1 | 20 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 2 | 9 | 0 | 0 | 2 | |||
| 150.2 | 49 | 1 | 23 | 0 | 0 | 30* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 1 | 5 | 0 | 0 | 6 | |||