月ごとの値
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江差（檜山地方) 1977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 | ||||||||||||||||||||||||||||
| 27.7 | 9 | 14 | 2 | 122 | 16 | 02 | 14 | 11 | 5 | 0 | 0 | 0 | 80 | 30* | 31 | 31 | 31 | 31 | 30 | 11 | 0 | 9.4 | 0 | 29 | 31 | 0 | 0 | ||
| 62.5 | 21 | 7 | 7 | 48 | 12 | 15 | 5 | 4 | 2 | 0 | 0 | 0 | 90 | 04 | 28 | 28 | 28 | 28 | 28 | 24 | 0 | 8.8 | 0 | 21 | 24 | 0 | 0 | ||
| 112.8 | 31 | 10 | 13 | 6 | 2 | 03 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 03* | 11 | 9 | 7 | 3 | 0 | 0 | 0 | 8.6 | 1 | 18 | 15 | 0 | 0 | ||
| 176.1 | 44 | 4 | 17 | 0 | 0 | 30* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 10 | 3 | 1 | 0 | |||
| 221.7 | 49 | 7 | 19 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.6 | 4 | 12 | 0 | 3 | 0 | ||||
| 234.7 | 52 | 2 | 20 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 11 | 0 | 4 | 0 | ||||
| 157.5 | 34 | 4 | 14 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 0 | 17 | 0 | 1 | 0 | ||||
| 189.1 | 44 | 1 | 16 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 2 | 15 | 0 | 0 | 3 | ||||
| 176.8 | 47 | 3 | 18 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 2 | 14 | 0 | 1 | 1 | ||||
| 177.0 | 52 | 2 | 19 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.5 | 5 | 7 | 0 | 0 | 2 | ||||
| 98.6 | 33 | 5 | 11 | 1 | 1 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24* | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 1 | 17 | 6 | 0 | 3 | ||
| 49.1 | 17 | 8 | 6 | 44 | 14 | 09 | 4 | 3 | 2 | 0 | 0 | 0 | 15 | 28 | 18 | 16 | 13 | 5 | 0 | 0 | 0 | 8.8 | 0 | 22 | 21 | 0 | 1 | ||