半旬ごとの値
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銚子（千葉県) 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 | 17.4 | 36 | 1 | 2 | 5.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 43.1 | 88 | 0 | 5 | 10.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 3 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 25.8 | 52 | 1 | 3 | 7.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 0 | 1 | 0 | 0 | 1 | |||
| 第4半旬 | 16～20 | 41.8 | 84 | 0 | 5 | 10.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 3 | 0 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 14.7 | 29 | 2 | 2 | 6.0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 1 | 1 | 1 | 0 | ||
| 第6半旬 | 26～31 | 55.4 | 90 | 0 | 6 | 13.1 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.8 | 3 | 0 | 1 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 42.8 | 82 | 0 | 5 | 12.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.8 | 1 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 28.1 | 53 | 0 | 4 | 9.9 | 0 | 0 | 08 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 1 | 1 | 0 | 0 | ||
| 第3半旬 | 11～15 | 27.7 | 51 | 1 | 4 | 11.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 2 | 0 | 1 | 1 | |||
| 第4半旬 | 16～20 | 31.6 | 58 | 0 | 4 | 11.9 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 0 | 0 | 1 | 0 | 0 | ||
| 第5半旬 | 21～25 | 46.1 | 83 | 0 | 5 | 15.9 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 2 | 0 | 1 | 0 | 0 | ||
| 第6半旬 | 26～28 | 21.5 | 64 | 0 | 2 | 12.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.7 | 1 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 25.3 | 44 | 2 | 3 | 10.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 1 | 1 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 18.4 | 32 | 2 | 2 | 9.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 2 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 10.5 | 18 | 2 | 1 | 7.0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 1 | 3 | 1 | 0 | 0 | ||
| 第4半旬 | 16～20 | 39.2 | 65 | 1 | 4 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 17.8 | 29 | 2 | 2 | 9.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 12.4 | 17 | 3 | 1 | 7.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 4 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 36.4 | 58 | 1 | 3 | 16.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 2 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 22.7 | 36 | 2 | 2 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 0 | 4 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 9.2 | 14 | 1 | 0 | 10.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 2 | 0 | 3 | 0 | |||
| 第4半旬 | 16～20 | 36.1 | 55 | 1 | 4 | 17.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 36.4 | 55 | 1 | 3 | 18.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 2 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 28.1 | 42 | 0 | 2 | 18.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 3 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 36.5 | 54 | 0 | 3 | 20.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 2 | 1 | 0 | 0 | 1 | |||
| 第2半旬 | 6～10 | 38.0 | 55 | 1 | 4 | 19.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 0 | 2 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 30.6 | 44 | 0 | 3 | 18.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 1 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 33.8 | 48 | 1 | 3 | 18.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 1 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 26.2 | 37 | 1 | 2 | 18.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 3 | 0 | 4 | 0 | |||
| 第6半旬 | 26～31 | 28.5 | 33 | 1 | 2 | 15.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 3 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 16.3 | 23 | 1 | 1 | 13.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 3 | 0 | 2 | 0 | |||
| 第2半旬 | 6～10 | 38.0 | 53 | 0 | 3 | 21.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 1 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 41.1 | 57 | 0 | 4 | 21.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 1 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 10.3 | 14 | 1 | 0 | 13.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 1.5 | 2 | 2 | 0 | 8.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 3 | 0 | |||
| 第6半旬 | 26～30 | 36.6 | 50 | 0 | 3 | 21.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 2 | 0 | 3 | 3 | |||
| 第1半旬 | 1～ 5 | 19.5 | 27 | 0 | 1 | 16.6 | -- | -- | 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 | 25.8 | 36 | 0 | 2 | 17.3 | -- | -- | 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 | 17.2 | 24 | 1 | 2 | 14.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 4 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 17.5 | 25 | 1 | 2 | 13.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 0 | 5 | 0 | 0 | 1 | |||
| 第5半旬 | 21～25 | 41.0 | 58 | 0 | 4 | 21.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 47.6 | 57 | 1 | 5 | 20.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 3 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 26.0 | 38 | 0 | 3 | 18.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 0 | 3 | 0 | 1 | 0 | |||
| 第2半旬 | 6～10 | 18.1 | 26 | 2 | 2 | 14.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 27.7 | 41 | 0 | 3 | 16.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 3 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 17.3 | 26 | 3 | 2 | 14.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 3 | 0 | 2 | 0 | |||
| 第5半旬 | 21～25 | 26.3 | 40 | 0 | 3 | 16.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 4 | 0 | 2 | 0 | |||
| 第6半旬 | 26～31 | 40.3 | 51 | 0 | 4 | 18.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 2 | 0 | 2 | 0 | |||
| 第1半旬 | 1～ 5 | 46.2 | 72 | 0 | 5 | 19.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 1 | 0 | 0 | 2 | 0 | |||
| 第2半旬 | 6～10 | 29.1 | 46 | 1 | 2 | 14.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 11.6 | 19 | 2 | 1 | 9.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 3 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 2.4 | 4 | 2 | 0 | 6.8 | -- | -- | 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 | 16.7 | 28 | 1 | 2 | 11.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 4 | 0 | 1 | 0 | |||
| 第6半旬 | 26～30 | 9.2 | 15 | 1 | 1 | 9.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.6 | 0 | 4 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 19.6 | 33 | 1 | 2 | 10.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 0 | 1 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 0.1 | 0 | 4 | 0 | 2.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 5.5 ) | 12 ) | 3 ) | 1 ) | 4.9 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 2 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 17.6 | 31 | 0 | 1 | 10.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.9 | 0 | 3 | 0 | 0 | 2 | |||
| 第5半旬 | 21～25 | 24.9 | 45 | 1 | 2 | 10.6 | -- | -- | 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 | 4.7 | 7 | 4 | 0 | 5.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 6 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 27.1 | 51 | 1 | 4 | 9.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 23.7 | 45 | 1 | 3 | 8.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 1 | 0 | 2 | 1 | |||
| 第3半旬 | 11～15 | 28.3 | 55 | 0 | 2 | 10.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 1 | 0 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 18.9 | 37 | 0 | 2 | 7.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 2 | 3 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 23.2 | 46 | 0 | 3 | 8.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 0 | 1 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 19.8 | 40 | 1 | 3 | 7.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 1 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 23.9 | 48 | 1 | 3 | 7.6 | -- | -- | 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 | 20.6 | 42 | 0 | 3 | 7.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 24.8 | 51 | 1 | 3 | 6.9 | -- | -- | 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 | 26.1 | 54 | 1 | 3 | 6.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 0 | 2 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 18.8 | 39 | 1 | 3 | 6.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 1 | 0 | 1 | 0 | |||
| 第6半旬 | 26～31 | 26.2 | 45 | 1 | 3 | 5.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 2 | 1 | 0 | 0 | 0 | |||