半旬ごとの値
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南鳥島（東京都) 1991年（半旬ごとの値） 詳細（日照・雪・その他）
| 月 | 半旬 | 日～日 | 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 | ||||||||||||||||||||||||||||||
| 第1半旬 | 1～ 5 | 33.6 | 63 | 0 | 4 | 11.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.8 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 32.6 | 61 | 0 | 4 | 12.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 0 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 27.7 | 52 | 0 | 4 | 11.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 0 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 31.7 | 59 | 0 | 5 | 12.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 35.0 | 64 | 0 | 5 | 13.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 0 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 41.8 | 64 | 0 | 6 | 13.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 0 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 36.1 | 65 | 0 | 5 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 27.6 | 50 | 0 | 4 | 14.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 0 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 30.1 | 54 | 0 | 3 | 14.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 0 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 40.2 | 71 | 0 | 5 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 1 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 39.6 | 69 | 0 | 4 | 16.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.5 | 0 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～28 | 11.0 | 32 | 0 | 1 | 13.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 45.3 | 78 | 0 | 4 | 19.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.3 | 1 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 46.8 | 79 | 0 | 5 | 20.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.5 | 1 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 47.2 | 79 | 0 | 5 | 21.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 0 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 25.9 | 43 | 0 | 2 | 17.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 13.6 | 22 | 0 | 1 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 54.6 | 74 | 0 | 6 | 22.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 0 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 46.7 | 75 | 0 | 5 | 23.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 48.9 | 78 | 0 | 5 | 23.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 53.6 | 85 | 0 | 5 | 24.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.8 | 0 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 46.2 | 73 | 0 | 5 | 23.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.1 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 40.2 | 63 | 1 | 4 | 21.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 50.5 | 78 | 0 | 5 | 23.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 41.0 | 63 | 0 | 4 | 21.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 1 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 23.1 | 35 | 1 | 2 | 17.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 58.9 | 89 | 0 | 5 | 26.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 2 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 54.7 | 82 | 0 | 5 | 25.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.7 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 53.4 | 80 | 0 | 5 | 25.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 0 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 63.3 | 78 | 0 | 6 | 24.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 0 | 1 | |||
| 第1半旬 | 1～ 5 | 59.8 | 89 | 0 | 5 | 26.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.8 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 50.7 | 75 | 0 | 4 | 24.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 1 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 56.2 | 83 | 0 | 5 | 25.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 0 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 49.0 | 72 | 0 | 5 | 23.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 54.2 | 80 | 0 | 5 | 24.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 48.3 | 71 | 0 | 5 | 24.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 58.5 | 86 | 0 | 5 | 25.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 0 | 1 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 55.7 | 82 | 0 | 5 | 24.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.8 | 0 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 55.2 | 82 | 0 | 5 | 25.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 0 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 44.2 | 66 | 0 | 4 | 21.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 49.3 | 74 | 0 | 5 | 22.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 62.3 | 78 | 0 | 6 | 23.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 2 | |||
| 第1半旬 | 1～ 5 | 22.1 | 33 | 0 | 1 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 52.2 | 80 | 0 | 5 | 23.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.3 | 0 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 27.7 | 43 | 0 | 2 | 17.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 1 | 0 | 0 | 1 | |||
| 第4半旬 | 16～20 | 21.7 | 34 | 1 | 2 | 15.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 4 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 23.9 | 37 | 1 | 2 | 15.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 54.2 | 71 | 0 | 5 | 20.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 42.8 | 68 | 0 | 5 | 21.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 45.7 | 73 | 0 | 5 | 20.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 0 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 47.4 | 77 | 0 | 4 | 20.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 0 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 51.6 | 84 | 0 | 5 | 21.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 45.8 | 76 | 0 | 5 | 19.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 47.5 | 79 | 0 | 5 | 20.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 43.3 | 73 | 0 | 5 | 19.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 36.9 | 63 | 0 | 5 | 17.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 25.4 | 44 | 1 | 2 | 12.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 1 | 0 | 0 | 1 | |||
| 第4半旬 | 16～20 | 45.2 | 78 | 0 | 5 | 17.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.7 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 42.5 | 75 | 0 | 5 | 17.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.4 | 0 | 0 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 55.9 | 83 | 0 | 6 | 19.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.4 | 1 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 42.0 | 75 | 0 | 4 | 17.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 41.6 | 75 | 0 | 5 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 0 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 43.2 | 79 | 0 | 5 | 16.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 0 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 44.5 | 82 | 0 | 5 | 16.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.8 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 29.5 | 55 | 0 | 3 | 13.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 28.2 | 53 | 0 | 3 | 13.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 27.0 | 51 | 0 | 3 | 13.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 38.8 | 73 | 0 | 5 | 15.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 0 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 27.0 | 51 | 0 | 2 | 13.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 0 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 30.8 | 58 | 0 | 5 | 13.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 30.5 | 58 | 1 | 4 | 13.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 31.5 | 50 | 0 | 3 | 12.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 1 | 2 | 0 | 0 | 0 | |||