月ごとの値
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水戸（茨城県) 1981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 | ||||||||||||||||||||||||||||
| 227.7 | 74 | 0 | 27 | 1 | 1 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 16 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.7 | 13 | 1 | 2 | 0 | 0 | ||
| 171.8 | 57 | 5 | 20 | 4 | 4 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 17 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 5.0 | 7 | 6 | 6 | 0 | 0 | ||
| 197.7 | 54 | 6 | 21 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 7 | 8 | 1 | 5 | 1 | |||
| 199.6 | 51 | 7 | 17 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 7 | 8 | 0 | 5 | 0 | ||||
| 186.2 | 43 | 7 | 17 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 3 | 15 | 0 | 2 | 0 | ||||
| 85.3 | 20 | 10 | 4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 0 | 24 | 0 | 10 | 1 | ||||
| 198.5 | 45 | 3 | 16 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 14 | 0 | 7 | 7 | ||||
| 197.5 | 47 | 3 | 21 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 0 | 10 | 0 | 6 | 1 | ||||
| 136.1 | 37 | 5 | 10 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 2 | 16 | 0 | 6 | 0 | ||||
| 178.1 | 51 | 4 | 20 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 6 | 9 | 0 | 4 | 0 | ||||
| 139.2 | 45 | 8 | 16 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 6 | 11 | 0 | 2 | 0 | ||||
| 194.1 | 65 | 2 | 26 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.0 | 12 | 2 | 0 | 0 | 0 | ||||