月ごとの値
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函館（渡島地方) 1998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 | ||||||||||||||||||||||||||||
| 90.8 | 31 | 4 | 12 | 6.5 ) | 146 | 28 | 20 | 16 | 15 | 3 | 1 | 0 | 0 | 46 | 31 | 31 | 31 | 30 | 28 | 12 | 0 | 0 | 8.3 | 0 | 16 | 30 | 0 | 0 | |
| 116.2 | 39 | 3 | 14 | 9.5 | 36 | 12 | 05 | 4 | 3 | 1 | 0 | 0 | 0 | 55 | 06 | 28 | 28 | 28 | 28 | 26 | 1 | 0 | 7.4 | 1 | 9 | 23 | 0 | 1 | |
| 185.9 | 51 | 3 | 19 | 13.5 | 13 | 4 | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 12 | 01 | 16 | 7 | 3 | 2 | 0 | 0 | 0 | 6.3 | 2 | 10 | 15 | 0 | 0 | |
| 188.2 | 47 | 6 | 20 | 16.0 | 0 | 0 | 02* | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.7 | 5 | 12 | 2 | 2 | 0 | ||
| 213.3 | 48 | 2 | 17 | 19.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.9 | 2 | 14 | 0 | 1 | 0 | |||
| 123.8 | 27 | 10 | 7 | 15.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 20 | 0 | 1 | 1 | |||
| 113.2 | 25 | 10 | 10 | 14.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.2 | 1 | 21 | 0 | 1 | 0 | |||
| 81.2 | 19 | 11 | 7 | 11.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8.6 | 0 | 21 | 0 | 2 | 2 | |||
| 151.0 | 40 | 4 | 14 | 13.4 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 2 | 14 | 0 | 0 | 2 | |||
| 166.9 | 49 | 3 | 21 | 10.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.3 | 3 | 9 | 0 | 0 | 1 | |||
| 86.4 | 29 | 4 | 10 | 5.7 | 22 | 9 | 21 | 3 | 1 | 0 | 0 | 0 | 0 | 8 | 21 | 10 | 8 | 2 | 0 | 0 | 0 | 0 | 7.4 | 0 | 11 | 18 | 0 | 4 | |
| 93.8 | 33 | 1 | 12 | 5.5 ) | 75 | 15 | 03 | 12 | 5 | 2 | 0 | 0 | 0 | 12 | 03 | 28 | 24 | 15 | 3 | 0 | 0 | 0 | 7.6 | 0 | 13 | 26 | 0 | 0 | |