月ごとの値
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銚子（千葉県) 1977年（月ごとの値） 詳細（日照・雪・その他）
| 月 | 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 | ||||||||||||||||||||||||||||
| 150.0 | 48 | 3 | 19 | 7.1 | 1 | 1 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 31 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 5.6 | 2 | 6 | 5 | 0 | 0 | |
| 189.6 | 63 | 4 | 22 | 10.4 | 0 | 0 | 18* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4.5 | 6 | 4 | 3 | 0 | 0 | |
| 143.4 | 39 | 8 | 16 | 10.0 | 0 | 0 | 05* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05* | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 2 | 14 | 3 | 1 | 1 | |
| 198.3 | 51 | 4 | 20 | 15.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 3 | 11 | 0 | 2 | 1 | |||
| 241.0 | 56 | 5 | 22 | 18.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 5 | 9 | 0 | 6 | 1 | |||
| 124.3 | 29 | 9 | 13 | 12.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 0 | 18 | 0 | 5 | 0 | |||
| 233.7 | 53 | 4 | 20 | 18.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 1 | 10 | 0 | 6 | 3 | |||
| 157.1 | 38 | 9 | 13 | 13.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 1 | 17 | 0 | 3 | 1 | |||
| 157.3 | 42 | 6 | 16 | 12.5 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 0 | 14 | 0 | 2 | 1 | |||
| 178.1 | 51 | 5 | 21 | 9.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 2 | 10 | 0 | 1 | 0 | |||
| 122.6 | 40 | 6 | 14 | 6.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 4 | 11 | 0 | 0 | 0 | |||
| 186.0 | 62 | 4 | 24 | 7.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.0 | 12 | 4 | 0 | 1 | 0 | |||