月ごとの値
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つくば（館野）（茨城県) 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 | ||||||||||||||||||||||||||||
| 232.1 | 75 | 3 | 26 | 10.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.8 | 18 | 5 | 0 | 1 | 0 | |||
| 209.6 | 69 | 1 | 22 | 13.0 | 2 | 2 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 20 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 3.7 | 12 | 5 | 1 | 0 | 0 | |
| 134.2 | 36 | 9 | 14 | 11.5 | 0 | 0 | 09 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 3 | 18 | 1 | 0 | 0 | ||
| 142.4 | 36 | 6 | 15 | 14.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 2 | 17 | 0 | 0 | 2 | |||
| 185.0 | 43 | 3 | 16 | 18.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 5 | 18 | 0 | 0 | 0 | |||
| 125.7 | 29 | 7 | 11 | 16.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 1 | 20 | 0 | 0 | 0 | |||
| 175.8 | 40 | 3 | 13 | 17.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 1 | 22 | 0 | 0 | 1 | |||
| 231.9 | 56 | 2 | 22 | 19.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 1 | 12 | 0 | 0 | 1 | |||
| 134.0 | 36 | 4 | 12 | 13.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 1 | 20 | 0 | 0 | 1 | |||
| 154.2 | 44 | 6 | 16 | 11.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 5 | 14 | 0 | 0 | 1 | |||
| 150.0 | 49 | 6 | 18 | 8.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 6 | 13 | 0 | 2 | 0 | |||
| 202.1 | 67 | 1 | 25 | 8.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.5 | 13 | 6 | 0 | 0 | 0 | |||