月ごとの値
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つくば（館野）（茨城県) 1997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 | ||||||||||||||||||||||||||||
| 250.4 | 81 | 0 | 28 | 11.2 | 2 | 2 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 22 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 2.4 | 17 | 3 | 1 | 0 | 0 | |
| 202.5 | 67 | 0 | 22 | 13.2 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.8 | 7 | 7 | 0 | 1 | 0 | ||
| 188.2 | 51 | 5 | 22 | 14.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 3 | 14 | 0 | 0 | 0 | |||
| 186.4 | 48 | 5 | 18 | 16.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 7 | 12 | 0 | 0 | 1 | |||
| 169.4 | 39 | 3 | 15 | 16.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 1 | 18 | 0 | 0 | 0 | |||
| 164.2 | 38 | 5 | 16 | 17.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.5 | 1 | 21 | 0 | 0 | 1 | |||
| 201.8 | 46 | 4 | 19 | 18.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 3 | 19 | 0 | 0 | 1 | |||
| 184.4 | 44 | 1 | 16 | 16.7 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 2 | 14 | 0 | 0 | 0 | |||
| 104.5 | 28 | 8 | 8 | 11.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 22 | 0 | 0 | 1 | |||
| 216.4 | 62 | 0 | 24 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 6 | 7 | 0 | 1 | 0 | |||
| 149.4 | 49 | 5 | 16 | 8.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 7 | 14 | 0 | 1 | 0 | |||
| 167.1 | 56 | 7 | 21 | 7.8 | 0 | 0 | 23* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 10 | 10 | 1 | 2 | 0 | ||