月ごとの値
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函館（渡島地方) 1979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 | ||||||||||||||||||||||||||||
| 111.7 | 38 | 3 | 14 | 5.4 | 127 | 20 | 16 | 12 | 11 | 6 | 1 | 0 | 0 | 42 | 23 | 23 | 22 | 21 | 21 | 15 | 0 | 0 | 6.9 | 3 | 10 | 25 | 0 | 0 | |
| 124.8 | 42 | 3 | 15 | 8.5 | 56 | 21 | 06 | 4 | 3 | 3 | 1 | 0 | 0 | 41 | 12 | 28 | 28 | 28 | 28 | 23 | 0 | 0 | 8.0 | 0 | 16 | 21 | 0 | 1 | |
| 193.3 | 53 | 2 | 20 | 11.5 | 10 | 5 | 24 | 2 | 1 | 0 | 0 | 0 | 0 | 8 | 01 | 15 | 8 | 4 | 0 | 0 | 0 | 0 | 6.4 | 1 | 11 | 21 | 0 | 2 | |
| 201.3 | 51 | 4 | 20 | 15.2 | 26 | 26 | 03 | 1 | 1 | 1 | 1 | 0 | 0 | 22 | 03 | 4 | 3 | 3 | 2 | 1 | 0 | 0 | 6.2 | 2 | 8 | 7 | 1 | 0 | |
| 239.6 | 53 | 3 | 20 | 18.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 3 | 7 | 0 | 1 | 0 | |||
| 183.9 | 41 | 4 | 16 | 16.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 3 | 16 | 0 | 2 | 0 | |||
| 178.8 | 39 | 4 | 14 | 15.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 15 | 0 | 5 | 2 | |||
| 235.7 | 55 | 3 | 22 | 16.4 ) | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 3 | 8 | 0 | 0 | 1 | |||
| 204.5 | 55 | 3 | 22 | 14.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 1 | 9 | 0 | 0 | 2 | |||
| 176.9 | 52 | 3 | 18 | 10.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.6 | 2 | 10 | 0 | 0 | 2 | |||
| 117.2 | 40 | 4 | 14 | 6.3 | 37 | 21 | 14 | 4 | 2 | 1 | 1 | 0 | 0 | 20 | 15 | 8 | 6 | 3 | 2 | 1 | 0 | 0 | 6.4 | 2 | 9 | 10 | 0 | 0 | |
| 120.3 | 42 | 0 | 16 | 5.6 | 38 | 12 | 23 | 4 | 3 | 1 | 0 | 0 | 0 | 10 | 28* | 17 | 15 | 7 | 2 | 0 | 0 | 0 | 7.2 | 0 | 8 | 18 | 0 | 0 | |