３か月ごとの値
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勝浦（千葉県) 1991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 | 573.6 | 62 | 10 | 73 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.3 | 26 | 16 | 0 | 0 | 5 | |||
12～2 | 588.3 | 64 | 5 | 74 | 0 | 0 | 02/23 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.2 | 28 | 15 | 1 | 0 | 3 | ||
1～3 | 479.5 | 49 | 15 | 55 | 0 | 0 | 03/14* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 13 | 29 | 2 | 0 | 2 | ||
2～4 | 453.9 | 43 | 17 | 45 | 0 | 0 | 03/14* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 9 | 37 | 2 | 1 | 2 | ||
3～5 | 460.1 | 39 | 21 | 39 | 0 | 0 | 03/14 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.6 | 4 | 48 | 1 | 3 | 1 | ||
4～6 | 476.2 | 38 | 18 | 39 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 6 | 51 | 0 | 10 | 1 | |||
5～7 | 477.8 | 37 | 15 | 40 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 5 | 58 | 0 | 13 | 0 | |||
6～8 | 466.6 | 36 | 12 | 39 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.8 | 5 | 55 | 0 | 13 | 0 | |||
7～9 | 460.0 | 37 | 10 | 41 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 5 | 53 | 0 | 6 | 0 | |||
8～10 | 366.6 | 32 | 20 | 32 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.7 | 5 | 52 | 0 | 2 | 1 | |||
9～11 | 335.7 | 33 | 21 | 36 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 8 | 45 | 0 | 0 | 2 | |||
10～12 | 369.3 | 38 | 17 | 43 | 0 | 0 | 12/29* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 12 | 33 | 1 | 0 | 4 | ||