月ごとの値
 |  |
 |  |
 |  |  |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
水戸（茨城県) 1964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 | ||||||||||||||||||||||||||||
| 137.1 | 45 | 9 | 19 | 11.7 | 0 | 0 | 19* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 5 | 13 | 3 | 0 | 1 | ||
| 154.7 | 49 | 6 | 19 | 15.9 | 7 | 5 | 25 | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 25 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 6.0 | 3 | 10 | 10 | 2 | 0 | |
| 179.7 | 49 | 4 | 22 | 20.4 | 0 | 0 | 18* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 3 | 8 | 1 | 5 | 0 | |
| 109.6 | 28 | 9 | 9 | 18.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 1 | 18 | 0 | 2 | 0 | |||
| 198.2 | 46 | 5 | 16 | 24.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 5 | 11 | 0 | 5 | 2 | |||
| 155.5 | 36 | 6 | 15 | 23.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.8 | 0 | 23 | 0 | 4 | 1 | |||
| 125.0 | 28 | 11 | 13 | 20.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.1 | 1 | 18 | 0 | 10 | 1 | |||
| 160.4 | 38 | 6 | 16 | 20.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 14 | 0 | 12 | 3 | |||
| 71.6 | 19 | 14 | 7 | 14.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.3 | 0 | 18 | 0 | 3 | 1 | |||
| 137.3 | 39 | 9 | 15 | 14.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.2 | 3 | 10 | 0 | 3 | 0 | |||
| 171.3 | 56 | 3 | 23 | 14.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.4 | 9 | 3 | 0 | 3 | 0 | |||
| 157.0 | 52 | 6 | 20 | 12.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 6 | 8 | 0 | 1 | 0 | |||