月ごとの値
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銚子（千葉県) 1999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 | ||||||||||||||||||||||||||||
| 220.3 | 71 | 3 | 24 | 10.5 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.7 | 11 | 4 | 1 | 1 | 0 | ||
| 190.5 | 63 | 3 | 22 | 12.6 | 0 | 0 | 28* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.4 | 7 | 3 | 2 | 0 | 0 | ||
| 125.9 | 34 | 10 | 13 | 11.4 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 15 | 0 | 2 | 0 | ||
| 169.3 | 43 | 5 | 16 | 16.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 1 | 12 | 0 | 1 | 4 | |||
| 197.4 | 46 | 3 | 19 | 19.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 3 | 16 | 0 | 2 | 0 | |||
| 158.0 | 36 | 8 | 15 | 17.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 1 | 18 | 0 | 6 | 1 | |||
| 204.3 | 46 | 5 | 17 | 20.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 1 | 17 | 0 | 3 | 1 | |||
| 289.6 | 69 | 0 | 24 | 22.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 6 | 7 | 0 | 5 | 0 | |||
| 171.7 | 46 | 2 | 19 | 16.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 1 | 9 | 0 | 0 | 0 | |||
| 139.0 | 40 | 4 | 14 | 11.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 2 | 13 | 0 | 2 | 1 | |||
| 142.1 | 46 | 6 | 18 | 9.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 2 | 8 | 0 | 0 | 2 | |||
| 173.7 | 58 | 3 | 21 | 8.5 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 9 | 4 | 0 | 0 | 1 | ||