月ごとの値
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江差（檜山地方) 1990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 | ||||||||||||||||||||||||||||
| 20.2 | 7 | 8 | 0 | 91 | 14 | 02 | 13 | 8 | 3 | 0 | 0 | 0 | 44 | 30 | 29 | 29 | 28 | 24 | 10 | 0 | 0 | 9.5 | 0 | 28 | 29 | 0 | 0 | ||
| 81.0 | 28 | 6 | 7 | 6 | 3 | 01 | 1 | 0 | 0 | 0 | 0 | 0 | 40 | 01 | 22 | 21 | 18 | 15 | 10 | 0 | 0 | 8.3 | 1 | 17 | 18 | 0 | 0 | ||
| 180.9 | 49 | 4 | 19 | 0 | 0 | 26* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 07 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 3 | 8 | 9 | 0 | 1 | ||
| 183.2 | 46 | 2 | 17 | 0 | 0 | 15* | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 05 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 3 | 7 | 3 | 0 | 0 | ||
| 192.5 | 43 | 4 | 17 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 1 | 16 | 0 | 1 | 1 | ||||
| 148.0 | 33 | 7 | 11 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.4 | 1 | 22 | 0 | 4 | 2 | ||||
| 174.4 | 38 | 2 | 12 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 2 | 18 | 0 | 1 | 1 | ||||
| 184.6 | 43 | 1 | 15 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 3 | 16 | 0 | 0 | 3 | ||||
| 157.3 | 42 | 6 | 14 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 2 | 14 | 0 | 0 | 3 | ||||
| 168.7 | 49 | 3 | 18 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 7 | 11 | 0 | 0 | 3 | ||||
| 70.6 | 24 | 3 | 8 | 0 | 0 | 22* | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 21* | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 8.0 | 0 | 18 | 4 | 0 | 1 | ||
| 29.7 ) | 13 ) | 7 ) | 4 ) | 15 | 9 | 29 | 1 | 1 | 0 | 0 | 0 | 0 | 10 | 29 | 13 | 13 | 6 | 1 | 0 | 0 | 0 | 9.1 | 0 | 22 | 19 | 0 | 2 | ||