平年値（日ごとの値）
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父島（東京都) 1月 平年値（日ごとの値） 主な要素
| 要素 | 降水量 (mm) | 平均気温 (℃) | 最高気温 (℃) | 最低気温 (℃) | 日照時間 (時間) | 全天日射量 (MJ/㎡) | 平均雲量 | 降雪の深さ合計 (cm) | 最深積雪 (cm) |
|---|---|---|---|---|---|---|---|---|---|
| 統計期間 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2019 | 1991～ 2019 | 1991～ 2019 |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| 1日 | 2.5 | 19.1 | 21.3 | 16.5 | 4.2 | 10.1 | 6.7 @ | --- @ | --- @ |
| 2日 | 2.3 | 19.1 | 21.2 | 16.4 | 4.2 | 10.2 | 6.7 @ | --- @ | --- @ |
| 3日 | 2.2 | 19.0 | 21.2 | 16.3 | 4.3 | 10.3 | 6.7 @ | --- @ | --- @ |
| 4日 | 2.1 | 18.9 | 21.1 | 16.2 | 4.3 | 10.3 | 6.7 @ | --- @ | --- @ |
| 5日 | 2.0 | 18.9 | 21.1 | 16.2 | 4.3 | 10.3 | 6.7 @ | --- @ | --- @ |
| 6日 | 2.0 | 18.8 | 21.1 | 16.1 | 4.3 | 10.4 | 6.7 @ | --- @ | --- @ |
| 7日 | 1.9 | 18.8 | 21.0 | 16.1 | 4.3 | 10.4 | 6.7 @ | --- @ | --- @ |
| 8日 | 1.9 | 18.8 | 21.0 | 16.1 | 4.3 | 10.4 | 6.7 @ | --- @ | --- @ |
| 9日 | 1.9 | 18.7 | 21.0 | 16.0 | 4.3 | 10.4 | 6.8 @ | --- @ | --- @ |
| 10日 | 1.9 | 18.7 | 20.9 | 16.0 | 4.2 | 10.4 | 6.8 @ | --- @ | --- @ |
| 11日 | 2.0 | 18.7 | 20.9 | 16.0 | 4.2 | 10.4 | 6.8 @ | --- @ | --- @ |
| 12日 | 2.0 | 18.6 | 20.9 | 16.0 | 4.2 | 10.4 | 6.9 @ | --- @ | --- @ |
| 13日 | 2.0 | 18.6 | 20.8 | 16.0 | 4.1 | 10.4 | 6.9 @ | --- @ | --- @ |
| 14日 | 2.1 | 18.6 | 20.8 | 15.9 | 4.1 | 10.4 | 6.9 @ | --- @ | --- @ |
| 15日 | 2.1 | 18.6 | 20.8 | 15.9 | 4.1 | 10.4 | 6.9 @ | --- @ | --- @ |
| 16日 | 2.1 | 18.5 | 20.7 | 15.9 | 4.1 | 10.5 | 6.9 @ | --- @ | --- @ |
| 17日 | 2.2 | 18.5 | 20.7 | 15.9 | 4.1 | 10.5 | 6.9 @ | --- @ | --- @ |
| 18日 | 2.2 | 18.5 | 20.7 | 15.8 | 4.1 | 10.6 | 6.9 @ | --- @ | --- @ |
| 19日 | 2.2 | 18.4 | 20.7 | 15.8 | 4.1 | 10.7 | 6.9 @ | --- @ | --- @ |
| 20日 | 2.2 | 18.4 | 20.6 | 15.7 | 4.1 | 10.8 | 6.9 @ | --- @ | --- @ |
| 21日 | 2.2 | 18.3 | 20.6 | 15.7 | 4.1 | 10.9 | 6.8 @ | --- @ | --- @ |
| 22日 | 2.2 | 18.3 | 20.5 | 15.6 | 4.2 | 11.0 | 6.8 @ | --- @ | --- @ |
| 23日 | 2.2 | 18.2 | 20.5 | 15.6 | 4.2 | 11.1 | 6.8 @ | --- @ | --- @ |
| 24日 | 2.2 | 18.2 | 20.4 | 15.5 | 4.3 | 11.2 | 6.7 @ | --- @ | --- @ |
| 25日 | 2.2 | 18.1 | 20.4 | 15.4 | 4.3 | 11.3 | 6.7 @ | --- @ | --- @ |
| 26日 | 2.1 | 18.0 | 20.3 | 15.4 | 4.4 | 11.5 | 6.7 @ | --- @ | --- @ |
| 27日 | 2.1 | 18.0 | 20.3 | 15.3 | 4.4 | 11.6 | 6.6 @ | --- @ | --- @ |
| 28日 | 2.0 | 17.9 | 20.3 | 15.2 | 4.5 | 11.8 | 6.6 @ | --- @ | --- @ |
| 29日 | 2.0 | 17.9 | 20.2 | 15.2 | 4.6 | 11.9 | 6.5 @ | --- @ | --- @ |
| 30日 | 1.9 | 17.9 | 20.2 | 15.1 | 4.6 | 12.0 | 6.5 @ | --- @ | --- @ |
| 31日 | 1.9 | 17.8 | 20.2 | 15.1 | 4.7 | 12.2 | 6.5 @ | --- @ | --- @ |
- 「@」の付いた値は、参考値です。平年差や平年比に利用できません。