月ごとの値
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前橋（群馬県) 1991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 | ||||||||||||||||||||||||||||
| 214.2 | 70 | 1 | 25 | 9.4 | 0 | 0 | 28* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.4 | 11 | 1 | 6 | 0 | 0 | ||
| 195.8 | 65 | 2 | 23 | 11.8 | 2 | 2 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 19 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 4.5 | 6 | 4 | 6 | 0 | 0 | |
| 188.7 | 51 | 6 | 20 | 12.9 | 1 | 1 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 5.7 | 2 | 9 | 2 | 1 | 0 | |
| 166.2 | 42 | 6 | 16 | 14.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 2 | 15 | 0 | 4 | 0 | |||
| 204.6 | 47 | 5 | 19 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 1 | 12 | 0 | 0 | 0 | |||
| 130.8 | 30 | 7 | 13 | 14.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.7 | 0 | 22 | 0 | 0 | 2 | |||
| 127.2 | 29 | 5 | 11 | 13.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.1 | 0 | 24 | 0 | 0 | 5 | |||
| 122.4 | 29 | 5 | 10 | 13.2 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 19 | 0 | 0 | 6 | |||
| 105.9 | 28 | 9 | 10 | 9.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 0 | 15 | 0 | 1 | 2 | |||
| 88.8 | 25 | 11 | 9 | 6.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 1 | 21 | 0 | 0 | 0 | |||
| 183.3 | 60 | 2 | 21 | 7.9 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4.9 | 6 | 7 | 0 | 1 | 0 | |||
| 183.8 | 61 | 3 | 24 | 6.4 | 1 | 1 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 28* | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 4.2 | 7 | 3 | 2 | 1 | 0 | |