月ごとの値
 |  |
 |  |
 |  |  |  |  |  |  |
 |  |  |  |  |  |
 |  |  |  |  |
函館（渡島地方) 1973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 | ||||||||||||||||||||||||||||
| 100.8 | 34 | 7 | 13 | 5.9 | 71 | 20 | 03 | 7 | 5 | 3 | 1 | 0 | 0 | 28 | 05 | 28 | 25 | 12 | 6 | 4 | 0 | 0 | 7.1 | 1 | 14 | 24 | 0 | 0 | |
| 100.1 | 34 | 4 | 11 | 7.8 | 95 | 15 | 11 | 11 | 9 | 4 | 0 | 0 | 0 | 35 | 11 | 27 | 26 | 21 | 16 | 7 | 0 | 0 | 7.6 | 1 | 14 | 22 | 0 | 0 | |
| 191.3 | 52 | 3 | 23 | 12.7 | 14 | 3 | 25* | 3 | 0 | 0 | 0 | 0 | 0 | 7 | 24 | 16 | 9 | 4 | 0 | 0 | 0 | 0 | 5.7 | 0 | 6 | 27 | 0 | 2 | |
| 216.3 | 54 | 3 | 20 | 14.9 | 0 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.9 | 1 | 5 | 0 | 1 | 0 | ||
| 259.9 | 58 | 4 | 22 | 18.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 3 | 7 | 0 | 2 | 2 | |||
| 201.9 | 45 | 3 | 17 | 18.8 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.8 | 2 | 9 | 0 | 2 | 0 | |||
| 200.4 | 44 | 5 | 16 | 16.7 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.2 | 1 | 15 | 0 | 7 | 1 | |||
| 168.8 | 39 | 6 | 14 | 14.0 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 0 | 14 | 0 | 4 | 5 | |||
| 161.8 | 43 | 5 | 15 | 11.3 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 1 | 11 | 0 | 0 | 3 | |||
| 172.1 | 50 | 3 | 20 | 9.1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 0 | -- | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5.7 | 3 | 3 | 0 | 0 | 3 | |||
| 123.4 | 42 | 1 | 14 | 6.2 | 43 | 10 | 21 | 7 | 5 | 1 | 0 | 0 | 0 | 16 | 21 | 13 | 12 | 6 | 1 | 0 | 0 | 0 | 6.7 | 1 | 12 | 13 | 0 | 1 | |
| 81.9 | 29 | 5 | 9 | 4.6 | 183 | 31 | 08 | 14 | 12 | 8 | 2 | 0 | 0 | 40 | 08 | 29 | 29 | 28 | 28 | 24 | 0 | 0 | 7.8 | 0 | 15 | 27 | 0 | 0 | |