平年値（年・月ごとの値）
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天塩（留萌地方) 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 | 219 | 23 | 23.0 | 18.2 | 8.6 | 1.1 | 0.0 | 0.0 | 71 | 30.9 | 30.6 | 29.5 | 18.8 | 0.3 |
| 2月 | 167 | 19 | 20.1 | 14.3 | 5.4 | 0.6 | 0.0 | 0.0 | 82 | 28.3 | 28.1 | 27.7 | 24.5 | 0.6 |
| 3月 | 118 | 16 | 16.7 | 9.9 | 3.0 | 0.4 | 0.0 | 0.0 | 72 | 29.2 | 28.9 | 27.7 | 18.8 | 0.1 |
| 4月 | 14 | 4 | 2.3 | 0.8 | 0.1 | 0.0 | 0.0 | 0.0 | 23 | 4.3 | 3.8 | 2.3 | 0.3 | 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 | 1 | 1 | 0.1 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 |
| 11月 | 49 | 14 | 5.5 | 4.1 | 1.8 | 0.3 | 0.0 | 0.0 | 16 | 5.4 | 3.3 | 1.1 | 0.2 | 0.0 |
| 12月 | 191 | 24 | 20.2 | 15.4 | 7.3 | 1.1 | 0.0 | 0.0 | 50 | 24.7 | 22.2 | 16.8 | 4.0 | 0.0 |
| 年 | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// | /// |