旬ごとの値
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南鳥島（東京都) 1999年（旬ごとの値） 詳細（日照・雪・その他）
| 月 | 旬 | 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 | |||||||||||||||||||||||||||||
| 上旬 | 26.6 | 25 | 1 | 2 | 9.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 7 | 0 | 0 | 0 | |||
| 中旬 | 55.2 | 51 | 0 | 6 | 13.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 0 | 3 | 0 | 0 | 0 | |||
| 下旬 | 52.4 | 44 | 0 | 7 | 12.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 1 | 2 | 0 | 0 | 0 | |||
| 上旬 | 39.1 | 35 | 1 | 4 | 12.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 2 | 6 | 0 | 0 | 0 | |||
| 中旬 | 30.3 | 27 | 4 | 3 | 11.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 5 | 0 | 0 | 0 | |||
| 下旬 | 58.8 ] | 64 ] | 0 | 6 ) | 19.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.4 | 0 | 0 | 0 | 0 | 0 | |||
| 上旬 | 49.2 | 42 | 0 | 4 | 15.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 4 | 0 | 0 | 0 | |||
| 中旬 | 95.0 | 79 | 0 | 9 | 21.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.2 | 3 | 1 | 0 | 0 | 0 | |||
| 下旬 | 88.8 | 66 | 1 | 9 | 21.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 1 | 3 | 0 | 0 | 0 | |||
| 上旬 | 67.9 | 55 | 1 | 6 | 20.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 4 | 0 | 0 | 0 | |||
| 中旬 | 98.4 | 78 | 0 | 9 | 24.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.4 | 2 | 2 | 0 | 0 | 0 | |||
| 下旬 | 78.0 | 61 | 0 | 8 | 22.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 3 | 0 | 0 | 0 | |||
| 上旬 | 65.2 ) | 50 ) | 0 | 5 | 23.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 1 | 1 | 0 | 0 | 0 | |||
| 中旬 | 108.1 | 81 | 0 | 10 | 26.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 2 | 0 | 0 | 0 | 1 | |||
| 下旬 | 110.8 | 75 | 0 | 10 | 26.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 0 | 2 | 0 | 0 | 0 | |||
| 上旬 | 104.7 | 77 | 0 | 10 | 26.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.4 | 0 | 1 | 0 | 0 | 0 | |||
| 中旬 | 107.9 | 79 | 0 | 10 | 26.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 0 | 0 | 0 | 0 | 0 | |||
| 下旬 | 111.0 | 82 | 0 | 10 | 26.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.7 | 0 | 0 | 0 | 0 | 0 | |||
| 上旬 | 95.5 | 70 | 0 | 10 | 24.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 0 | 0 | 0 | 0 | 0 | |||
| 中旬 | 62.3 | 46 | 0 | 6 | 19.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 1 | 0 | 0 | 0 | |||
| 下旬 | 119.1 | 81 | 0 | 11 | 26.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 1 | 0 | 0 | 0 | 0 | |||
| 上旬 | 81.2 | 62 | 0 | 7 | 22.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 1 | 0 | 0 | 1 | |||
| 中旬 | 58.4 | 45 | 0 | 6 | 18.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 1 | 0 | 0 | 0 | |||
| 下旬 | 119.2 | 85 | 0 | 11 | 25.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 2 | 1 | 0 | 0 | 0 | |||
| 上旬 | 100.0 | 80 | 0 | 10 | 23.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 1 | 0 | 0 | 0 | 0 | |||
| 中旬 | 68.3 | 56 | 0 | 8 | 19.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 1 | |||
| 下旬 | 90.2 | 75 | 0 | 10 | 21.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 1 | 0 | 0 | 0 | 1 | |||
| 上旬 | 79.0 | 67 | 1 | 8 | 18.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 1 | 1 | 0 | 0 | 0 | |||
| 中旬 | 73.3 | 63 | 0 | 8 | 18.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 0 | 0 | 0 | 0 | 0 | |||
| 下旬 | 101.7 | 82 | 0 | 11 | 19.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.7 | 2 | 0 | 0 | 0 | 0 | |||
| 上旬 | 38.2 | 34 | 2 | 5 | 9.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 4 | 0 | 0 | 3 | |||
| 中旬 | 53.1 | 49 | 0 | 7 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 1 | 3 | 0 | 0 | 0 | |||
| 下旬 | 62.1 | 58 | 0 | 6 | 13.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 0 | 2 | 0 | 0 | 0 | |||
| 上旬 | 58.0 | 54 | 0 | 7 | 12.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 0 | 0 | 0 | 0 | 0 | |||
| 中旬 | 60.6 | 57 | 0 | 8 | 12.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 1 | 2 | 0 | 0 | 0 | |||
| 下旬 | 71.0 | 61 | 0 | 9 | 13.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 1 | 0 | 0 | 0 | |||