平年値（日ごとの値）
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八丈島 6月9時
| 要素 | 気温(℃) | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 指定気圧面 | 1000hPa | 925hPa | 900hPa | 850hPa | 800hPa | 700hPa | 600hPa | 500hPa | 400hPa | 350hPa | 300hPa | 250hPa | 200hPa | 175hPa | 150hPa | 125hPa | 100hPa | 70hPa | 50hPa | 40hPa | 30hPa | 20hPa | 15hPa | 10hPa | 5hPa |
| 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 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 1991～ 2020 | 2001～ 2019 |
| 資料年数 | 24 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 24 | 4 |
| 1日 | /// | 16.0 | 15.0 | 12.9 | 10.6 | 5.7 | -0.8 | -8.8 | -19.2 | -25.6 | -33.5 | -43.2 | -54.1 | -59.2 | -63.0 | -65.8 | -68.3 | -66.9 | -60.1 | -56.9 | -53.1 | /// | /// | /// | /// |
| 2日 | /// | 16.0 | 15.1 | 13.0 | 10.7 | 5.8 | -0.7 | -8.7 | -19.1 | -25.5 | -33.3 | -43.1 | -54.0 | -59.2 | -63.1 | -65.9 | -68.3 | -66.9 | -60.1 | -56.8 | -53.1 | /// | /// | /// | /// |
| 3日 | /// | 16.1 | 15.2 | 13.1 | 10.8 | 5.9 | -0.6 | -8.5 | -19.0 | -25.3 | -33.2 | -43.0 | -54.0 | -59.3 | -63.3 | -66.1 | -68.4 | -66.8 | -60.0 | -56.8 | -53.0 | /// | /// | /// | /// |
| 4日 | /// | 16.3 | 15.4 | 13.2 | 11.0 | 6.0 | -0.5 | -8.4 | -18.8 | -25.2 | -33.1 | -42.9 | -54.0 | -59.4 | -63.4 | -66.2 | -68.5 | -66.7 | -60.0 | -56.8 | -53.0 | /// | /// | /// | /// |
| 5日 | /// | 16.4 | 15.5 | 13.4 | 11.1 | 6.1 | -0.4 | -8.2 | -18.7 | -25.1 | -32.9 | -42.8 | -53.9 | -59.4 | -63.6 | -66.4 | -68.6 | -66.7 | -60.0 | -56.8 | -53.0 | /// | /// | /// | /// |
| 6日 | /// | 16.5 | 15.6 | 13.5 | 11.2 | 6.3 | -0.2 | -8.1 | -18.5 | -24.9 | -32.8 | -42.6 | -53.9 | -59.5 | -63.8 | -66.6 | -68.7 | -66.7 | -59.9 | -56.8 | -52.9 | /// | /// | /// | /// |
| 7日 | /// | 16.7 | 15.8 | 13.7 | 11.4 | 6.4 | -0.1 | -7.9 | -18.3 | -24.7 | -32.6 | -42.5 | -53.9 | -59.5 | -63.9 | -66.8 | -68.8 | -66.6 | -59.9 | -56.7 | -52.9 | /// | /// | /// | /// |
| 8日 | /// | 16.8 | 16.0 | 13.9 | 11.6 | 6.5 | 0.1 | -7.8 | -18.1 | -24.6 | -32.5 | -42.3 | -53.8 | -59.6 | -64.1 | -66.9 | -68.9 | -66.6 | -59.9 | -56.7 | -52.9 | /// | /// | /// | /// |
| 9日 | /// | 17.0 | 16.1 | 14.1 | 11.7 | 6.7 | 0.2 | -7.6 | -17.9 | -24.4 | -32.3 | -42.2 | -53.8 | -59.6 | -64.2 | -67.1 | -69.1 | -66.6 | -59.9 | -56.7 | -52.9 | /// | /// | /// | /// |
| 10日 | /// | 17.2 | 16.3 | 14.3 | 11.9 | 6.8 | 0.4 | -7.4 | -17.7 | -24.2 | -32.1 | -42.0 | -53.7 | -59.7 | -64.3 | -67.3 | -69.2 | -66.6 | -59.8 | -56.7 | -52.9 | /// | /// | /// | /// |
| 11日 | /// | 17.3 | 16.5 | 14.5 | 12.1 | 7.0 | 0.5 | -7.3 | -17.5 | -24.0 | -31.9 | -41.9 | -53.7 | -59.7 | -64.5 | -67.5 | -69.3 | -66.6 | -59.8 | -56.6 | -52.8 | /// | /// | /// | /// |
| 12日 | /// | 17.5 | 16.7 | 14.6 | 12.3 | 7.1 | 0.7 | -7.1 | -17.4 | -23.8 | -31.8 | -41.7 | -53.6 | -59.7 | -64.6 | -67.7 | -69.5 | -66.6 | -59.8 | -56.6 | -52.8 | /// | /// | /// | /// |
| 13日 | /// | 17.7 | 16.8 | 14.8 | 12.4 | 7.2 | 0.8 | -7.0 | -17.2 | -23.7 | -31.6 | -41.5 | -53.5 | -59.7 | -64.7 | -67.8 | -69.6 | -66.6 | -59.8 | -56.6 | -52.8 | /// | /// | /// | /// |
| 14日 | /// | 17.8 | 17.0 | 15.0 | 12.6 | 7.4 | 0.9 | -6.9 | -17.0 | -23.5 | -31.4 | -41.4 | -53.5 | -59.7 | -64.8 | -68.0 | -69.7 | -66.6 | -59.8 | -56.6 | -52.8 | /// | /// | /// | /// |
| 15日 | /// | 18.0 | 17.2 | 15.1 | 12.7 | 7.5 | 1.0 | -6.7 | -16.8 | -23.3 | -31.2 | -41.2 | -53.4 | -59.7 | -64.8 | -68.1 | -69.8 | -66.6 | -59.8 | -56.6 | -52.8 | /// | /// | /// | /// |
| 16日 | /// | 18.1 | 17.3 | 15.3 | 12.9 | 7.6 | 1.1 | -6.6 | -16.7 | -23.2 | -31.1 | -41.1 | -53.3 | -59.6 | -64.9 | -68.2 | -69.9 | -66.6 | -59.7 | -56.6 | -52.8 | /// | /// | /// | /// |
| 17日 | /// | 18.2 | 17.5 | 15.5 | 13.1 | 7.7 | 1.2 | -6.5 | -16.5 | -23.0 | -30.9 | -40.9 | -53.2 | -59.6 | -65.0 | -68.4 | -70.1 | -66.6 | -59.7 | -56.6 | -52.8 | /// | /// | /// | /// |
| 18日 | /// | 18.4 | 17.6 | 15.6 | 13.2 | 7.8 | 1.3 | -6.4 | -16.4 | -22.9 | -30.8 | -40.8 | -53.1 | -59.6 | -65.0 | -68.5 | -70.2 | -66.6 | -59.7 | -56.7 | -52.8 | /// | /// | /// | /// |
| 19日 | /// | 18.5 | 17.7 | 15.8 | 13.4 | 7.9 | 1.4 | -6.3 | -16.3 | -22.7 | -30.7 | -40.7 | -53.0 | -59.5 | -65.1 | -68.6 | -70.3 | -66.7 | -59.7 | -56.7 | -52.8 | /// | /// | /// | /// |
| 20日 | /// | 18.6 | 17.9 | 15.9 | 13.5 | 8.1 | 1.5 | -6.2 | -16.2 | -22.6 | -30.5 | -40.6 | -52.9 | -59.5 | -65.1 | -68.8 | -70.5 | -66.7 | -59.7 | -56.7 | -52.8 | /// | /// | /// | /// |
| 21日 | /// | 18.7 | 18.0 | 16.1 | 13.7 | 8.2 | 1.6 | -6.1 | -16.0 | -22.5 | -30.4 | -40.4 | -52.8 | -59.4 | -65.2 | -68.9 | -70.6 | -66.7 | -59.7 | -56.7 | -52.9 | -47.8 | /// | /// | /// |
| 22日 | /// | 18.9 | 18.2 | 16.3 | 13.8 | 8.3 | 1.7 | -6.0 | -15.9 | -22.4 | -30.3 | -40.3 | -52.7 | -59.3 | -65.2 | -69.0 | -70.8 | -66.8 | -59.7 | -56.7 | -52.9 | -47.8 | /// | /// | /// |
| 23日 | /// | 19.0 | 18.3 | 16.4 | 14.0 | 8.4 | 1.8 | -5.9 | -15.8 | -22.3 | -30.2 | -40.2 | -52.6 | -59.3 | -65.2 | -69.2 | -70.9 | -66.8 | -59.8 | -56.7 | -52.9 | -47.8 | /// | /// | /// |
| 24日 | /// | 19.1 | 18.5 | 16.6 | 14.2 | 8.6 | 1.9 | -5.8 | -15.7 | -22.2 | -30.1 | -40.1 | -52.5 | -59.2 | -65.3 | -69.3 | -71.1 | -66.8 | -59.8 | -56.7 | -52.9 | -47.8 | /// | /// | /// |
| 25日 | /// | 19.3 | 18.6 | 16.8 | 14.3 | 8.7 | 2.0 | -5.7 | -15.6 | -22.1 | -30.0 | -40.1 | -52.5 | -59.2 | -65.3 | -69.4 | -71.2 | -66.8 | -59.8 | -56.7 | -52.9 | -47.8 | /// | /// | /// |
| 26日 | /// | 19.4 | 18.8 | 16.9 | 14.5 | 8.8 | 2.1 | -5.6 | -15.6 | -22.0 | -29.9 | -40.0 | -52.4 | -59.1 | -65.3 | -69.5 | -71.4 | -66.8 | -59.9 | -56.8 | -52.9 | -47.8 | /// | /// | /// |
| 27日 | /// | 19.6 | 18.9 | 17.1 | 14.6 | 8.9 | 2.1 | -5.6 | -15.5 | -21.9 | -29.9 | -40.0 | -52.4 | -59.1 | -65.3 | -69.6 | -71.5 | -66.8 | -59.9 | -56.8 | -52.9 | -47.8 | /// | /// | /// |
| 28日 | /// | 19.7 | 19.1 | 17.2 | 14.7 | 9.0 | 2.2 | -5.5 | -15.5 | -21.9 | -29.8 | -39.9 | -52.3 | -59.1 | -65.3 | -69.6 | -71.6 | -66.8 | -59.9 | -56.8 | -52.9 | -47.8 | /// | /// | /// |
| 29日 | /// | 19.8 | 19.2 | 17.4 | 14.9 | 9.1 | 2.3 | -5.4 | -15.4 | -21.8 | -29.8 | -39.9 | -52.3 | -59.0 | -65.3 | -69.7 | -71.6 | -66.8 | -60.0 | -56.8 | -53.0 | -47.7 | /// | /// | /// |
| 30日 | /// | 20.0 | 19.4 | 17.5 | 15.0 | 9.2 | 2.3 | -5.4 | -15.4 | -21.8 | -29.7 | -39.9 | -52.3 | -59.0 | -65.3 | -69.7 | -71.7 | -66.7 | -60.0 | -56.8 | -53.0 | -47.7 | /// | /// | /// |