半旬ごとの値
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三宅島（東京都) 1975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 | 5.0 | 10 | 3 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.2 | 0 | 4 | 0 | 0 | 0 | ||||
| 第2半旬 | 6～10 | 24.8 | 50 | 1 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 2 | 0 | 0 | 1 | ||||
| 第3半旬 | 11～15 | 21.1 | 42 | 0 | 2 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 26.6 | 53 | 1 | 3 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 1 | 1 | 0 | 0 | |||
| 第5半旬 | 21～25 | 25.7 | 50 | 1 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 1 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～31 | 27.5 | 44 | 0 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 2 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 15.0 | 29 | 2 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 0 | 4 | 0 | 0 | 0 | ||||
| 第2半旬 | 6～10 | 21.8 | 41 | 1 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 0 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 27.6 | 51 | 0 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 1 | 0 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 28.4 | 52 | 0 | 3 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 0 | 1 | 1 | 0 | 1 | |||
| 第5半旬 | 21～25 | 21.7 | 39 | 0 | 3 | 1 | 1 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 22 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 1 | 2 | 0 | 1 | ||
| 第6半旬 | 26～28 | 18.2 | 54 | 0 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 1 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 15.3 | 27 | 1 | 1 | 0 | 0 | 01 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 25.5 | 44 | 0 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.2 | 1 | 0 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 24.4 | 41 | 2 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 18.3 | 31 | 2 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 0 | 2 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 40.5 | 67 | 0 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.8 | 1 | 0 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～31 | 47.5 | 64 | 0 | 5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 1 | 2 | 0 | 0 | 1 | ||||
| 第1半旬 | 1～ 5 | 47.2 | 75 | 0 | 5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 0 | 0 | 0 | 0 | 0 | ||||
| 第2半旬 | 6～10 | 37.3 | 59 | 1 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 0 | 1 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 23.9 | 37 | 2 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 4 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 19.7 | 30 | 1 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 0.3 | 0 | 4 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～30 | 8.6 | 13 | 2 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 0 | 3 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 25.6 | 38 | 1 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 0 | 0 | ||||
| 第2半旬 | 6～10 | 17.8 | 26 | 1 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 2 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 29.2 | 42 | 1 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 3 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 17.8 | 26 | 2 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 3 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 37.2 | 53 | 0 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 2 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～31 | 43.8 | 52 | 0 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 2 | 0 | 0 | 1 | ||||
| 第1半旬 | 1～ 5 | 29.1 | 41 | 1 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 0 | 1 | 0 | 0 | 1 | ||||
| 第2半旬 | 6～10 | 22.3 | 31 | 1 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.6 | 0 | 4 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 3.2 | 4 | 3 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 18.4 | 26 | 1 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 3 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 13.7 | 19 | 3 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 4 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～30 | 15.9 | 22 | 1 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.5 | 0 | 5 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 13.6 | 19 | 1 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.9 | 0 | 5 | 0 | 0 | 0 | ||||
| 第2半旬 | 6～10 | 22.3 | 31 | 1 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 2 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 23.5 | 33 | 1 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 3 | 0 | 1 | 0 | ||||
| 第4半旬 | 16～20 | 42.2 | 60 | 0 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 0 | 1 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 34.3 | 49 | 0 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 1 | 1 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～31 | 63.1 | 76 | 0 | 5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.2 | 1 | 0 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 50.4 | 73 | 0 | 5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.8 | 0 | 0 | 0 | 0 | 0 | ||||
| 第2半旬 | 6～10 | 8.8 | 13 | 0 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 0 | 2 | ||||
| 第3半旬 | 11～15 | 35.9 | 53 | 0 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 1 | 0 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 38.0 | 57 | 0 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 2 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 15.2 | 23 | 1 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 0 | 4 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～31 | 64.1 | 82 | 0 | 6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.6 | 2 | 1 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 33.5 | 52 | 0 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.8 | 1 | 0 | 0 | 0 | 1 | ||||
| 第2半旬 | 6～10 | 48.7 | 77 | 0 | 5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.8 | 1 | 0 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 43.4 | 70 | 0 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 1 | 0 | 0 | 0 | 2 | ||||
| 第4半旬 | 16～20 | 34.3 | 56 | 0 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 0 | 0 | 0 | 1 | ||||
| 第5半旬 | 21～25 | 25.8 | 43 | 1 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 2 | 0 | 0 | 1 | ||||
| 第6半旬 | 26～30 | 3.5 | 6 | 3 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 5.1 | 9 | 1 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 0 | 0 | ||||
| 第2半旬 | 6～10 | 40.5 | 70 | 0 | 4 | -- | -- | 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 | 11.3 | 20 | 2 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.5 | 0 | 4 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 4.8 | 9 | 3 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.6 | 0 | 4 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 19.3 | 35 | 1 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 2 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～31 | 14.7 | 23 | 3 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 4 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 14.4 | 27 | 2 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 3 | 0 | 0 | 0 | ||||
| 第2半旬 | 6～10 | 13.1 | 25 | 2 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 2 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 4.3 | 8 | 2 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 3 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 25.8 | 50 | 1 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 1 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 10.3 | 20 | 3 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 4 | 0 | 0 | 0 | ||||
| 第6半旬 | 26～30 | 21.9 | 43 | 0 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 0 | 1 | 0 | 0 | 0 | ||||
| 第1半旬 | 1～ 5 | 14.5 | 29 | 2 | 2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 3 | 0 | 0 | 1 | ||||
| 第2半旬 | 6～10 | 0.0 | 0 | 5 | 0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 0 | 0 | ||||
| 第3半旬 | 11～15 | 13.3 | 27 | 0 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 3 | 0 | 0 | 0 | ||||
| 第4半旬 | 16～20 | 30.2 | 61 | 0 | 5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 0 | 0 | 0 | 0 | 0 | ||||
| 第5半旬 | 21～25 | 18.4 | 37 | 1 | 2 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 23.2 | 39 | 1 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 0 | 0 | 0 | 0 | ||||
- 値欄の記号の説明
- 赤線は、観測場所を移転した場合、観測装置を変更した場合または観測の時間間隔を変更した場合に、その前後のデータが均質でないことを示します。