平年値（年・月ごとの値）
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父島（東京都) 平年値（年・月ごとの値） 主な要素
| 要素 | 気圧 | 降水量 | 気温 | 蒸気圧 | 相対湿度 | 風向・風速 | 日照時間 | 全天日射量 | 雪 | 雲量 | 大気現象 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 現地平均 (hPa) | 海面平均 (hPa) | 合計 (mm) | 平均 (℃) | 日最高 (℃) | 日最低 (℃) | 平均 (hPa) | 平均 (％) | 平均 (m/s) | 最多風向 | 合計 (時) | 平均 (MJ/㎡) | 降雪の深さ | 最深積雪 (cm) | 平均 | 雪日数 | 霧日数 | 雷日数 | ||
| 合計 (cm) | 日合計の最大 (cm) | ||||||||||||||||||
| 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～ 2019 | 1991～ 2019 | 1991～ 2019 | 1991～ 2019 | 1991～ 2019 | 1991～ 2019 | 1991～ 2019 |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| 1月 | 1016.4 | 1017.4 | 63.6 | 18.5 | 20.7 | 15.8 | 14.3 | 66 | 3.3 | 北北東 | 131.3 | 10.8 | --- @ | --- @ | --- @ | 6.7 @ | 0.0 @ | 0.0 @ | 0.1 @ |
| 2月 | 1016.7 | 1017.7 | 51.6 | 18.1 | 20.5 | 15.4 | 14.3 | 68 | 3.4 | 北北東 | 138.3 | 13.5 | --- @ | --- @ | --- @ | 6.6 @ | 0.0 @ | 0.0 @ | 0.1 @ |
| 3月 | 1016.0 | 1017.0 | 75.8 | 19.3 | 21.7 | 16.8 | 16.5 | 72 | 3.5 | 南 | 159.2 | 16.0 | --- @ | --- @ | --- @ | 6.8 @ | 0.0 @ | 0.2 @ | 0.2 @ |
| 4月 | 1014.8 | 1015.8 | 113.3 | 21.1 | 23.4 | 18.8 | 20.0 | 79 | 3.4 | 南 | 148.3 | 17.3 | --- @ | --- @ | --- @ | 7.2 @ | 0.0 @ | 0.6 @ | 0.8 @ |
| 5月 | 1012.5 | 1013.5 | 151.9 | 23.4 | 25.6 | 21.4 | 24.3 | 84 | 3.3 | 南 | 151.8 | 18.3 | --- @ | --- @ | --- @ | 7.8 @ | 0.0 @ | 1.1 @ | 0.8 @ |
| 6月 | 1011.8 | 1012.8 | 111.8 | 26.2 | 28.5 | 24.4 | 29.3 | 86 | 2.8 | 南 | 205.6 | 21.4 | --- @ | --- @ | --- @ | 7.0 @ | 0.0 @ | 1.1 @ | 0.7 @ |
| 7月 | 1011.0 | 1012.0 | 79.5 | 27.7 | 30.4 | 25.6 | 30.5 | 82 | 2.7 | 南 | 246.8 | 22.7 | --- @ | --- @ | --- @ | 6.3 @ | 0.0 @ | 0.0 @ | 1.3 @ |
| 8月 | 1009.3 | 1010.3 | 123.3 | 28.0 | 30.3 | 26.1 | 31.0 | 82 | 3.2 | 東北東 | 213.7 | 20.4 | --- @ | --- @ | --- @ | 6.4 @ | 0.0 @ | 0.0 @ | 1.2 @ |
| 9月 | 1010.6 | 1011.5 | 144.2 | 27.7 | 29.9 | 25.7 | 30.5 | 82 | 3.3 | 東北東 | 197.7 | 18.5 | --- @ | --- @ | --- @ | 6.1 @ | 0.0 @ | 0.1 @ | 1.1 @ |
| 10月 | 1012.5 | 1013.5 | 141.7 | 26.4 | 28.6 | 24.4 | 28.1 | 81 | 3.2 | 東北東 | 173.2 | 15.1 | --- @ | --- @ | --- @ | 6.3 @ | 0.0 @ | 0.1 @ | 0.8 @ |
| 11月 | 1015.4 | 1016.4 | 136.1 | 23.8 | 25.9 | 21.6 | 22.6 | 76 | 3.4 | 東北東 | 139.1 | 11.7 | --- @ | --- @ | --- @ | 6.7 @ | 0.0 @ | 0.1 @ | 0.5 @ |
| 12月 | 1016.6 | 1017.6 | 103.3 | 20.6 | 22.7 | 18.2 | 17.3 | 70 | 3.3 | 北北東 | 125.3 | 9.8 | --- @ | --- @ | --- @ | 6.9 @ | 0.0 @ | 0.0 @ | 0.3 @ |
| 年 | 1013.7 | 1014.6 | 1296.1 | 23.4 | 25.7 | 21.2 | 23.2 | 78 | 3.2 | 南 | 2030.6 | 16.3 | --- @ | --- @ | --- @ | 6.7 @ | 0.0 @ | 3.4 @ | 7.9 @ |
- 「@」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。