半旬ごとの値
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銚子（千葉県) 2000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 | 31.8 | 65 | 0 | 4 | 9.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 1 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 8.4 | 17 | 1 | 0 | 5.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 14.5 | 29 | 2 | 2 | 5.9 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 1 | 0 | 0 | 0 | ||
| 第4半旬 | 16～20 | 20.0 | 40 | 1 | 3 | 7.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 2 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 26.4 | 52 | 1 | 3 | 9.1 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 1 | 1 | 1 | 0 | 0 | ||
| 第6半旬 | 26～31 | 39.1 | 63 | 0 | 5 | 11.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 1 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 37.7 | 72 | 0 | 4 | 12.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.2 | 2 | 0 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 28.6 | 54 | 0 | 3 | 11.6 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.8 | 1 | 1 | 2 | 0 | 1 | ||
| 第3半旬 | 11～15 | 30.7 | 57 | 0 | 3 | 11.4 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.8 | 1 | 1 | 1 | 0 | 0 | ||
| 第4半旬 | 16～20 | 31.8 | 58 | 1 | 3 | 12.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.1 | 2 | 1 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 43.2 | 78 | 0 | 5 | 16.2 | 0 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.1 | 1 | 0 | 1 | 0 | 0 | ||
| 第6半旬 | 26～29 | 29.0 | 64 | 1 | 3 | 14.5 | 0 | 0 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 0 | 0 | 1 | 0 | 0 | ||
| 第1半旬 | 1～ 5 | 37.5 | 66 | 0 | 3 | 14.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.4 | 2 | 1 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 38.1 | 66 | 0 | 4 | 15.9 | -- | -- | 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 | 30.1 | 51 | 0 | 3 | 14.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 1 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 32.9 | 55 | 1 | 3 | 14.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 1 | 2 | 0 | 0 | 1 | |||
| 第5半旬 | 21～25 | 26.8 | 44 | 0 | 3 | 14.6 | -- | -- | 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 | 45.0 | 61 | 0 | 5 | 18.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 1 | 1 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 21.3 | 34 | 2 | 3 | 13.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 2 | 0 | 1 | 0 | |||
| 第2半旬 | 6～10 | 35.2 | 55 | 0 | 3 | 19.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 29.7 | 46 | 1 | 2 | 17.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 3 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 25.1 | 38 | 1 | 2 | 16.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 3 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 42.8 | 64 | 0 | 4 | 21.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 0 | 1 | 0 | 0 | 1 | |||
| 第6半旬 | 26～30 | 28.5 | 42 | 1 | 3 | 17.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 3 | 0 | 0 | 1 | |||
| 第1半旬 | 1～ 5 | 40.2 | 59 | 0 | 4 | 22.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 0 | 1 | 0 | 1 | 1 | |||
| 第2半旬 | 6～10 | 26.2 | 38 | 0 | 2 | 20.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 1 | 2 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 13.8 | 20 | 1 | 1 | 14.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 0 | 4 | 0 | 3 | 2 | |||
| 第4半旬 | 16～20 | 9.9 | 14 | 3 | 1 | 12.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.2 | 0 | 4 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 25.2 | 36 | 0 | 2 | 19.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 3 | 0 | |||
| 第6半旬 | 26～31 | 42.6 | 50 | 0 | 3 | 21.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 3 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 35.8 | 50 | 0 | 3 | 22.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 3 | 0 | 2 | 0 | |||
| 第2半旬 | 6～10 | 35.2 | 49 | 1 | 3 | 19.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 0 | 3 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 4.4 | 6 | 3 | 0 | 8.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.8 | 0 | 5 | 0 | 4 | 0 | |||
| 第4半旬 | 16～20 | 39.7 | 55 | 0 | 4 | 22.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 1 | 2 | 0 | 2 | 0 | |||
| 第5半旬 | 21～25 | 6.7 | 9 | 3 | 1 | 10.2 | -- | -- | 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 | 9.7 | 13 | 1 | 0 | 15.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 0 | 5 | 0 | 2 | 0 | |||
| 第1半旬 | 1～ 5 | 37.5 | 52 | 0 | 4 | 22.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 0 | 2 | 0 | 3 | 0 | |||
| 第2半旬 | 6～10 | 38.2 | 53 | 0 | 3 | 21.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 0 | 1 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 32.7 | 46 | 0 | 3 | 22.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 3 | 0 | 2 | 0 | |||
| 第4半旬 | 16～20 | 33.5 | 47 | 0 | 3 | 21.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 2 | 0 | 4 | 0 | |||
| 第5半旬 | 21～25 | 34.3 | 48 | 1 | 3 | 22.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 2 | 0 | 1 | 0 | |||
| 第6半旬 | 26～31 | 32.1 | 38 | 2 | 3 | 19.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 2 | 0 | 3 | 0 | |||
| 第1半旬 | 1～ 5 | 53.2 | 77 | 0 | 5 | 25.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.4 | 1 | 1 | 0 | 4 | 0 | |||
| 第2半旬 | 6～10 | 36.8 | 54 | 0 | 3 | 20.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 1 | 0 | 4 | 0 | |||
| 第3半旬 | 11～15 | 26.5 | 39 | 0 | 2 | 17.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 4 | 0 | 1 | 0 | |||
| 第4半旬 | 16～20 | 38.2 | 57 | 0 | 4 | 21.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 0 | 1 | 0 | 1 | 0 | |||
| 第5半旬 | 21～25 | 38.0 | 57 | 0 | 4 | 19.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 0 | 0 | 0 | 2 | 0 | |||
| 第6半旬 | 26～31 | 58.6 | 75 | 0 | 5 | 22.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 1 | 1 | 0 | 1 | 0 | |||
| 第1半旬 | 1～ 5 | 32.3 | 50 | 1 | 3 | 17.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 1 | 2 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 25.9 | 41 | 0 | 2 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 4 | 0 | 1 | 2 | |||
| 第3半旬 | 11～15 | 17.8 | 29 | 1 | 2 | 14.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 0 | 2 | 0 | 2 | 0 | |||
| 第4半旬 | 16～20 | 41.5 | 67 | 0 | 5 | 18.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 1 | 0 | 0 | 1 | |||
| 第5半旬 | 21～25 | 30.0 | 50 | 0 | 3 | 15.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 0 | 2 | 0 | 0 | 1 | |||
| 第6半旬 | 26～30 | 31.6 | 53 | 0 | 3 | 15.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 0 | 1 | 0 | 0 | 1 | |||
| 第1半旬 | 1～ 5 | 5.5 | 9 | 2 | 0 | 6.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.6 | 0 | 5 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 20.9 | 36 | 1 | 2 | 11.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 2 | 0 | 0 | 1 | |||
| 第3半旬 | 11～15 | 25.4 | 45 | 1 | 2 | 11.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 0 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 13.1 | 23 | 0 | 1 | 9.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.3 | 0 | 4 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 10.9 | 20 | 1 | 1 | 8.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 0 | 4 | 0 | 0 | 0 | |||
| 第6半旬 | 26～31 | 19.2 | 30 | 1 | 2 | 8.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 0 | 3 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 11.8 | 22 | 3 | 1 | 6.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 3 | 0 | 0 | 0 | |||
| 第2半旬 | 6～10 | 7.9 | 15 | 2 | 1 | 5.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 4 | 0 | 1 | 0 | |||
| 第3半旬 | 11～15 | 13.5 | 26 | 1 | 2 | 6.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 1 | 4 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 14.5 | 28 | 3 | 2 | 5.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 3 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 14.3 | 28 | 1 | 1 | 6.1 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 3 | 0 | 0 | 0 | |||
| 第6半旬 | 26～30 | 32.1 | 65 | 0 | 4 | 10.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 0 | 0 | 0 | 0 | 0 | |||
| 第1半旬 | 1～ 5 | 18.9 | 38 | 0 | 2 | 7.3 | -- | -- | 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 | 34.5 | 71 | 0 | 4 | 9.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.4 | 2 | 0 | 0 | 0 | 0 | |||
| 第3半旬 | 11～15 | 31.6 | 65 | 1 | 4 | 9.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 0 | 1 | 0 | 0 | 0 | |||
| 第4半旬 | 16～20 | 15.3 | 32 | 1 | 2 | 5.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 1 | 3 | 0 | 0 | 0 | |||
| 第5半旬 | 21～25 | 24.0 | 50 | 0 | 3 | 8.0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 0 | 2 | 0 | 0 | 0 | ||
| 第6半旬 | 26～31 | 32.9 | 57 | 2 | 4 | 8.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.6 | 2 | 1 | 0 | 0 | 0 | |||