月ごとの値
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函館（渡島地方) 1987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 | ||||||||||||||||||||||||||||
| 78.3 | 27 | 4 | 9 | 5.5 | 87 | 13 | 18 | 12 | 9 | 2 | 0 | 0 | 0 | 30 | 20* | 31 | 31 | 31 | 31 | 14 | 0 | 0 | 8.0 | 0 | 14 | 30 | 0 | 0 | |
| 123.8 | 42 | 2 | 15 | 9.4 | 66 | 14 | 15 | 8 | 5 | 2 | 0 | 0 | 0 | 32 | 27 | 28 | 28 | 28 | 25 | 12 | 0 | 0 | 7.8 | 0 | 13 | 22 | 0 | 0 | |
| 143.9 | 39 | 2 | 14 | 11.4 | 37 | 7 | 06 | 6 | 3 | 0 | 0 | 0 | 0 | 22 | 03 | 21 | 20 | 14 | 12 | 4 | 0 | 0 | 7.4 | 0 | 12 | 21 | 0 | 0 | |
| 203.8 | 51 | 2 | 19 | 15.6 | 17 | 10 | 12 | 3 | 1 | 1 | 0 | 0 | 0 | 9 | 13 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 6.3 | 3 | 8 | 7 | 1 | 0 | |
| 222.1 | 49 | 3 | 19 | 17.9 | 0 | 0 | 05 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.8 | 4 | 11 | 0 | 1 | 1 | ||
| 210.5 | 46 | 4 | 17 | 18.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.1 | 0 | 12 | 0 | 4 | 0 | |||
| 128.0 | 28 | 7 | 11 | 14.5 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 19 | 0 | 2 | 3 | |||
| 64.3 | 15 | 12 | 4 | 9.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.4 | 0 | 27 | 0 | 2 | 1 | |||
| 135.8 | 36 | 5 | 13 | 11.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 2 | 12 | 0 | 1 | 0 | |||
| 184.5 | 54 | 2 | 20 | 10.6 | 0 | 0 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.1 | 5 | 12 | 0 | 0 | 2 | ||
| 114.7 | 39 | 1 | 14 | 6.3 | 20 | 5 | 28 | 5 | 1 | 0 | 0 | 0 | 0 | 10 | 29 | 9 | 8 | 4 | 1 | 0 | 0 | 0 | 6.9 | 2 | 13 | 11 | 0 | 3 | |
| 102.9 | 36 | 1 | 14 | 5.3 | 77 | 13 | 05 | 12 | 6 | 4 | 0 | 0 | 0 | 24 | 05 | 26 | 25 | 19 | 13 | 1 | 0 | 0 | 7.7 | 0 | 14 | 23 | 0 | 0 | |