３か月ごとの値
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つくば（館野）（茨城県) 1997年（３か月ごとの値） 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 | ||||||||||||||||||||||||||||
11～1 | 566.6 | 62 | 10 | 63 | 9.2 | 2 | 2 | 01/22 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 01/22 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 4.7 | 29 | 27 | 1 | 7 | 0 |
12～2 | 657.9 | 72 | 2 | 75 | 11.1 | 2 | 2 | 01/22 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 01/22 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 3.7 | 36 | 16 | 1 | 4 | 0 |
1～3 | 641.1 | 65 | 5 | 72 | 12.8 | 2 | 2 | 01/22 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 01/22 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 4.6 | 27 | 24 | 1 | 1 | 0 |
2～4 | 577.1 | 54 | 10 | 62 | 14.5 | 0 | 0 | 02/11 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 17 | 33 | 0 | 1 | 1 | |
3～5 | 544.0 | 46 | 13 | 55 | 15.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 11 | 44 | 0 | 0 | 1 | ||
4～6 | 520.0 | 41 | 13 | 49 | 16.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 9 | 51 | 0 | 0 | 2 | ||
5～7 | 535.4 | 41 | 12 | 50 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 5 | 58 | 0 | 0 | 2 | ||
6～8 | 550.4 | 42 | 10 | 51 | 17.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 6 | 54 | 0 | 0 | 2 | ||
7～9 | 490.7 | 40 | 13 | 43 | 15.6 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 5 | 55 | 0 | 0 | 2 | ||
8～10 | 505.3 | 44 | 9 | 48 | 13.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 8 | 43 | 0 | 1 | 1 | ||
9～11 | 470.3 | 46 | 13 | 48 | 11.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 13 | 43 | 0 | 2 | 1 | ||
10～12 | 532.9 | 56 | 12 | 61 | 10.0 | 0 | 0 | 12/23* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.3 | 23 | 31 | 1 | 4 | 0 | |