平年値（年・月ごとの値）
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余市（後志地方) 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 | 248 | 27 | 24.0 | 19.4 | 9.7 | 2.5 | 0.0 | 0.0 | 100 | 31.0 | 30.5 | 30.1 | 24.9 | 5.2 |
| 2月 | 199 | 25 | 19.8 | 15.7 | 7.9 | 1.7 | 0.0 | 0.0 | 128 | 28.3 | 28.3 | 28.2 | 26.8 | 16.8 |
| 3月 | 133 | 20 | 16.0 | 10.7 | 4.5 | 0.5 | 0.0 | 0.0 | 115 | 30.1 | 29.9 | 29.6 | 25.9 | 12.6 |
| 4月 | 20 | 6 | 3.3 | 1.7 | 0.2 | 0.0 | 0.0 | 0.0 | 52 | 9.6 | 9.1 | 8.2 | 4.4 | 0.3 |
| 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 | 48 | 14 | 4.9 | 3.7 | 1.8 | 0.3 | 0.0 | 0.0 | 15 | 4.5 | 2.7 | 0.9 | 0.1 | 0.0 |
| 12月 | 216 | 30 | 20.9 | 16.0 | 8.0 | 2.0 | 0.0 | 0.0 | 61 | 26.3 | 23.5 | 18.3 | 5.8 | 0.6 |
| 年 | 865 | 35 | 89.0 | 67.2 | 32.1 | 7.0 | 0.1 | 0.0 | 129 | 129.9 | 123.8 | 115.0 | 87.8 | 35.5 |