月ごとの値
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水戸（茨城県) 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 | ||||||||||||||||||||||||||||
| 196.6 | 64 | 2 | 24 | 4 | 3 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 22* | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 4.3 | 8 | 3 | 8 | 0 | 0 | ||
| 196.2 | 65 | 2 | 21 | 2 | 2 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 15 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 3.6 | 7 | 2 | 5 | 0 | 0 | ||
| 171.9 | 47 | 5 | 17 | 1 | 1 | 04 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 04 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 6.5 | 2 | 11 | 1 | 3 | 0 | ||
| 187.6 | 48 | 2 | 18 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 3 | 15 | 0 | 2 | 2 | ||||
| 233.3 | 54 | 5 | 20 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 5 | 12 | 0 | 4 | 1 | ||||
| 128.7 | 29 | 8 | 12 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 18 | 0 | 5 | 1 | ||||
| 162.2 | 37 | 2 | 11 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 1 | 11 | 0 | 7 | 7 | ||||
| 109.3 | 26 | 7 | 10 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 20 | 0 | 3 | 1 | ||||
| 111.5 | 30 | 3 | 10 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 0 | 17 | 0 | 2 | 3 | ||||
| 179.1 | 51 | 6 | 20 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.1 | 6 | 8 | 0 | 5 | 0 | ||||
| 142.2 | 46 | 6 | 16 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 5 | 9 | 0 | 3 | 1 | ||||
| 190.3 | 63 | 3 | 25 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.8 | 10 | 4 | 0 | 1 | 0 | ||||