平年値（旬ごとの値）
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父島（東京都) 平年値（旬ごとの値）
| 要素 | 海面気圧 (hPa) | 降水量 (mm) | 平均気温 (℃) | 日最高気温 (℃) | 日最低気温 (℃) | 相対湿度 (%) | 平均風速 (m/s) | 日照時間 (時) | 全天日射量 (MJ/㎡) | 降雪の深さ合計 (cm) | 最深積雪 (cm) | 雲量 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 統計期間 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 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 | 30 | 30 | 30 | 29 | 29 | 29 | |
| 1月 | 上旬 | 1017.4 | 18.4 | 18.8 | 21.1 | 16.1 | 66 | 3.2 | 43.7 | 10.5 | --- @ | --- @ | 6.6 @ |
| 中旬 | 1017.4 | 20.1 | 18.5 | 20.7 | 15.9 | 67 | 3.3 | 40.3 | 10.4 | --- @ | --- @ | 7.0 @ | |
| 下旬 | 1017.4 | 25.1 | 18.0 | 20.4 | 15.4 | 66 | 3.4 | 47.3 | 11.4 | --- @ | --- @ | 6.7 @ | |
| 2月 | 上旬 | 1017.2 | 18.7 | 17.9 | 20.2 | 15.0 | 66 | 3.3 | 49.7 | 12.9 | --- @ | --- @ | 6.4 @ |
| 中旬 | 1017.7 | 15.8 | 18.2 | 20.5 | 15.5 | 68 | 3.5 | 47.7 | 13.5 | --- @ | --- @ | 6.7 @ | |
| 下旬 | 1018.2 | 17.2 | 18.3 | 20.7 | 15.8 | 69 | 3.5 | 40.9 | 14.4 | --- @ | --- @ | 6.6 @ | |
| 3月 | 上旬 | 1016.9 | 24.5 | 18.9 | 21.4 | 16.4 | 71 | 3.5 | 51.1 | 15.4 | --- @ | --- @ | 6.6 @ |
| 中旬 | 1017.3 | 19.5 | 19.1 | 21.5 | 16.6 | 72 | 3.6 | 52.6 | 16.1 | --- @ | --- @ | 6.7 @ | |
| 下旬 | 1016.8 | 31.8 | 19.8 | 22.2 | 17.4 | 74 | 3.5 | 55.6 | 16.4 | --- @ | --- @ | 7.1 @ | |
| 4月 | 上旬 | 1016.4 | 24.1 | 20.3 | 22.7 | 17.9 | 75 | 3.3 | 54.2 | 17.7 | --- @ | --- @ | 6.7 @ |
| 中旬 | 1015.6 | 40.2 | 21.1 | 23.4 | 18.9 | 79 | 3.5 | 48.1 | 17.1 | --- @ | --- @ | 7.4 @ | |
| 下旬 | 1015.3 | 49.0 | 21.8 | 24.0 | 19.8 | 82 | 3.5 | 46.0 | 17.3 | --- @ | --- @ | 7.7 @ | |
| 5月 | 上旬 | 1014.7 | 31.0 | 22.6 | 24.9 | 20.6 | 83 | 3.3 | 48.9 | 18.3 | --- @ | --- @ | 7.6 @ |
| 中旬 | 1013.7 | 43.2 | 23.4 | 25.7 | 21.4 | 83 | 3.3 | 53.9 | 19.2 | --- @ | --- @ | 7.5 @ | |
| 下旬 | 1012.2 | 77.6 | 24.0 | 26.1 | 22.2 | 86 | 3.3 | 49.0 | 17.4 | --- @ | --- @ | 8.4 @ | |
| 6月 | 上旬 | 1011.9 | 71.8 | 25.0 | 27.1 | 23.2 | 88 | 3.1 | 50.2 | 18.5 | --- @ | --- @ | 8.0 @ |
| 中旬 | 1013.0 | 27.7 | 26.3 | 28.5 | 24.4 | 86 | 2.8 | 70.1 | 21.6 | --- @ | --- @ | 7.1 @ | |
| 下旬 | 1013.4 | 12.4 | 27.3 | 29.8 | 25.4 | 85 | 2.6 | 85.3 | 24.2 | --- @ | --- @ | 6.0 @ | |
| 7月 | 上旬 | 1013.0 | 16.3 | 27.6 | 30.2 | 25.5 | 82 | 2.6 | 86.2 | 23.9 | --- @ | --- @ | 6.1 @ |
| 中旬 | 1012.2 | 22.4 | 27.7 | 30.3 | 25.6 | 82 | 2.7 | 77.1 | 22.4 | --- @ | --- @ | 6.4 @ | |
| 下旬 | 1010.9 | 40.9 | 27.8 | 30.5 | 25.7 | 82 | 2.8 | 83.6 | 21.8 | --- @ | --- @ | 6.5 @ | |
| 8月 | 上旬 | 1010.3 | 37.7 | 28.0 | 30.4 | 26.0 | 82 | 3.2 | 71.7 | 21.1 | --- @ | --- @ | 6.6 @ |
| 中旬 | 1010.1 | 37.2 | 28.0 | 30.3 | 26.2 | 83 | 3.4 | 67.4 | 20.3 | --- @ | --- @ | 6.6 @ | |
| 下旬 | 1010.4 | 48.5 | 27.9 | 30.4 | 26.0 | 82 | 3.1 | 74.6 | 19.9 | --- @ | --- @ | 6.1 @ | |
| 9月 | 上旬 | 1010.8 | 36.7 | 27.9 | 30.2 | 26.0 | 83 | 3.3 | 68.2 | 19.5 | --- @ | --- @ | 6.1 @ |
| 中旬 | 1011.8 | 49.3 | 27.8 | 30.1 | 25.8 | 82 | 3.2 | 65.7 | 18.5 | --- @ | --- @ | 5.9 @ | |
| 下旬 | 1012.0 | 58.2 | 27.3 | 29.5 | 25.4 | 82 | 3.4 | 63.8 | 17.6 | --- @ | --- @ | 6.3 @ | |
| 10月 | 上旬 | 1013.1 | 45.0 | 27.1 | 29.3 | 25.2 | 82 | 3.2 | 60.8 | 16.6 | --- @ | --- @ | 6.1 @ |
| 中旬 | 1013.1 | 48.5 | 26.6 | 28.8 | 24.6 | 82 | 3.2 | 53.8 | 14.9 | --- @ | --- @ | 6.6 @ | |
| 下旬 | 1014.2 | 48.2 | 25.7 | 27.8 | 23.6 | 80 | 3.4 | 58.6 | 14.0 | --- @ | --- @ | 6.2 @ | |
| 11月 | 上旬 | 1015.9 | 51.8 | 24.8 | 26.9 | 22.7 | 78 | 3.5 | 49.1 | 12.6 | --- @ | --- @ | 6.6 @ |
| 中旬 | 1016.6 | 33.5 | 23.8 | 25.8 | 21.6 | 75 | 3.4 | 46.8 | 11.7 | --- @ | --- @ | 6.7 @ | |
| 下旬 | 1016.8 | 50.8 | 22.9 | 25.0 | 20.6 | 75 | 3.3 | 43.2 | 10.8 | --- @ | --- @ | 6.9 @ | |
| 12月 | 上旬 | 1017.5 | 42.0 | 21.6 | 23.7 | 19.3 | 73 | 3.4 | 40.7 | 9.8 | --- @ | --- @ | 6.7 @ |
| 中旬 | 1018.3 | 23.5 | 20.6 | 22.7 | 18.2 | 70 | 3.1 | 40.1 | 9.8 | --- @ | --- @ | 7.0 @ | |
| 下旬 | 1017.2 | 37.8 | 19.7 | 21.8 | 17.2 | 68 | 3.3 | 45.0 | 9.8 | --- @ | --- @ | 6.8 @ | |
- 「@」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。