平年値（日ごとの値）
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南鳥島（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～ 2006 | 1991～ 2006 | 1991～ 2006 |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 16 | 16 | 16 |
| 1日 | 3.2 | 23.1 | 25.3 | 21.1 | 5.3 | 12.1 | 5.9 @ | --- @ | --- @ |
| 2日 | 3.0 | 23.0 | 25.2 | 21.0 | 5.3 | 12.1 | 5.9 @ | --- @ | --- @ |
| 3日 | 2.9 | 23.0 | 25.2 | 20.9 | 5.4 | 12.2 | 5.9 @ | --- @ | --- @ |
| 4日 | 2.7 | 22.9 | 25.1 | 20.8 | 5.4 | 12.2 | 5.9 @ | --- @ | --- @ |
| 5日 | 2.6 | 22.8 | 25.0 | 20.8 | 5.4 | 12.3 | 5.9 @ | --- @ | --- @ |
| 6日 | 2.4 | 22.8 | 25.0 | 20.7 | 5.4 | 12.4 | 5.9 @ | --- @ | --- @ |
| 7日 | 2.3 | 22.7 | 24.9 | 20.7 | 5.4 | 12.4 | 5.9 @ | --- @ | --- @ |
| 8日 | 2.2 | 22.7 | 24.9 | 20.6 | 5.5 | 12.5 | 5.9 @ | --- @ | --- @ |
| 9日 | 2.1 | 22.6 | 24.8 | 20.6 | 5.5 | 12.6 | 5.9 @ | --- @ | --- @ |
| 10日 | 2.0 | 22.6 | 24.8 | 20.6 | 5.5 | 12.6 | 5.9 @ | --- @ | --- @ |
| 11日 | 1.9 | 22.5 | 24.8 | 20.5 | 5.5 | 12.7 | 5.9 @ | --- @ | --- @ |
| 12日 | 1.8 | 22.5 | 24.7 | 20.5 | 5.5 | 12.8 | 5.9 @ | --- @ | --- @ |
| 13日 | 1.8 | 22.5 | 24.7 | 20.5 | 5.5 | 12.8 | 5.9 @ | --- @ | --- @ |
| 14日 | 1.7 | 22.4 | 24.7 | 20.4 | 5.5 | 12.9 | 5.8 @ | --- @ | --- @ |
| 15日 | 1.7 | 22.4 | 24.7 | 20.4 | 5.6 | 13.0 | 5.8 @ | --- @ | --- @ |
| 16日 | 1.7 | 22.4 | 24.6 | 20.4 | 5.6 | 13.0 | 5.8 @ | --- @ | --- @ |
| 17日 | 1.7 | 22.3 | 24.6 | 20.3 | 5.6 | 13.1 | 5.7 @ | --- @ | --- @ |
| 18日 | 1.7 | 22.3 | 24.6 | 20.3 | 5.6 | 13.2 | 5.7 @ | --- @ | --- @ |
| 19日 | 1.8 | 22.3 | 24.6 | 20.2 | 5.6 | 13.2 | 5.7 @ | --- @ | --- @ |
| 20日 | 1.9 | 22.2 | 24.5 | 20.2 | 5.6 | 13.2 | 5.8 @ | --- @ | --- @ |
| 21日 | 2.0 | 22.2 | 24.5 | 20.1 | 5.6 | 13.3 | 5.8 @ | --- @ | --- @ |
| 22日 | 2.1 | 22.1 | 24.5 | 20.1 | 5.6 | 13.3 | 5.8 @ | --- @ | --- @ |
| 23日 | 2.3 | 22.1 | 24.4 | 20.0 | 5.6 | 13.3 | 5.8 @ | --- @ | --- @ |
| 24日 | 2.4 | 22.1 | 24.4 | 20.0 | 5.5 | 13.4 | 5.9 @ | --- @ | --- @ |
| 25日 | 2.5 | 22.0 | 24.4 | 20.0 | 5.6 | 13.5 | 5.9 @ | --- @ | --- @ |
| 26日 | 2.6 | 22.0 | 24.3 | 19.9 | 5.6 | 13.5 | 5.9 @ | --- @ | --- @ |
| 27日 | 2.6 | 22.0 | 24.3 | 19.9 | 5.6 | 13.6 | 5.9 @ | --- @ | --- @ |
| 28日 | 2.6 | 21.9 | 24.3 | 19.8 | 5.7 | 13.8 | 5.9 @ | --- @ | --- @ |
| 29日 | 2.6 | 21.9 | 24.3 | 19.8 | 5.7 | 13.9 | 5.9 @ | --- @ | --- @ |
| 30日 | 2.5 | 21.8 | 24.2 | 19.8 | 5.8 | 14.0 | 5.8 @ | --- @ | --- @ |
| 31日 | 2.4 | 21.8 | 24.2 | 19.7 | 5.8 | 14.2 | 5.8 @ | --- @ | --- @ |
- 「@」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。