月ごとの値
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函館（渡島地方) 2018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 | ||||||||||||||||||||||||||||
| 95.0 | 32 | 2 | 11 | 6.2 | 131 | 41 | 12 | 12 | 6 | 3 | 2 | 0 | 0 | 57 | 31* | 31 | 31 | 31 | 31 | 20 | 5 | 0 | 8.8 | 0 | 20 | 30 | 0 | 0 | |
| 98.3 | 33 | 2 | 9 | 9.3 | 143 | 21 | 06 | 15 | 10 | 7 | 1 | 0 | 0 | 82 | 20 | 28 | 28 | 28 | 28 | 28 | 27 | 0 | 7.8 | 0 | 13 | 27 | 0 | 1 | |
| 171.3 | 47 | 5 | 18 | 13.1 | 26 | 12 | 02 | 3 | 2 | 1 | 0 | 0 | 0 | 74 | 02 | 20 | 19 | 19 | 18 | 15 | 9 | 0 | 7.1 | 1 | 13 | 12 | 1 | 0 | |
| 175.7 | 44 | 7 | 18 | 14.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 0 | 12 | 5 | 0 | 1 | |||
| 195.8 | 44 | 6 | 16 | 17.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.4 | 1 | 15 | 0 | 2 | 1 | |||
| 157.7 | 35 | 5 | 12 | 17.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.9 | 1 | 16 | 0 | 1 | 1 | |||
| 120.3 | 26 | 10 | 9 | 14.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 1 | 23 | 0 | 5 | 2 | |||
| 103.9 | 24 | 5 | 8 | 12.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 22 | 0 | 0 | 2 | |||
| 158.3 | 42 | 6 | 15 | 13.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 2 | 14 | 0 | 0 | 2 | |||
| 198.0 | 58 | 2 | 23 | 11.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.4 | 1 | 7 | 0 | 0 | 1 | |||
| 154.0 | 52 | 1 | 20 | 7.9 | 6 | 4 | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 23 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 6.4 | 2 | 8 | 7 | 0 | 0 | |
| 87.1 | 31 | 5 | 10 | 5.0 | 95 | 15 | 27* | 11 | 7 | 4 | 0 | 0 | 0 | 22 | 29* | 26 | 22 | 18 | 12 | 3 | 0 | 0 | 8.1 | 0 | 17 | 27 | 0 | 0 | |