平年値（年・月ごとの値）
 |
 |
 |  |  |  |  |
 |  |  |  |
大沼（渡島地方) 平年値（年・月ごとの値） 詳細(雪)
| 要素 | 雪 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 降雪の深さ | 各階級の日数(降雪の深さ) | 最深積雪 (cm) | 各階級の日数(最深積雪) | |||||||||||
| 合計 (cm) | 日合計の最大 (cm) | ≧3cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ≧5cm | ≧10cm | ≧20cm | ≧50cm | ≧100cm | ||
| 統計期間 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| 1月 | 139 | 23 | 17.2 | 10.3 | 4.0 | 0.9 | 0.0 | 0.0 | 53 | 30.5 | 29.0 | 24.4 | 4.7 | 0.0 |
| 2月 | 117 | 20 | 14.8 | 9.1 | 3.2 | 0.5 | 0.0 | 0.0 | 66 | 28.3 | 28.1 | 27.6 | 13.1 | 0.4 |
| 3月 | 92 | 17 | 13.0 | 6.6 | 2.2 | 0.2 | 0.0 | 0.0 | 57 | 25.2 | 23.9 | 20.6 | 7.4 | 0.0 |
| 4月 | 8 | 5 | 0.9 | 0.5 | 0.2 | 0.0 | 0.0 | 0.0 | 8 | 1.3 | 1.1 | 0.7 | 0.0 | 0.0 |
| 5月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 6月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 7月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 8月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 9月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 10月 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| 11月 | 18 | 8 | 2.4 | 1.5 | 0.5 | 0.0 | 0.0 | 0.0 | 7 | 1.5 | 0.7 | 0.1 | 0.0 | 0.0 |
| 12月 | 111 | 20 | 13.6 | 8.0 | 3.0 | 0.7 | 0.0 | 0.0 | 30 | 21.0 | 14.8 | 6.9 | 0.6 | 0.0 |
| 年 | 489 | 32 | 61.8 | 36.4 | 13.2 | 2.4 | 0.0 | 0.0 | 69 | 108.0 | 97.9 | 80.4 | 25.4 | 0.4 |