平年値（日ごとの値）
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昭和 4月21時（現地時間 15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 | 1996～ 2020 |
| 資料年数 | 8 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 24 | 4 |
| 1日 | /// | -9.1 | -10.3 | -12.4 | -14.6 | -20.5 | -27.4 | -35.2 | -44.9 | -50.6 | -55.2 | -54.1 | -50.7 | -50.5 | -50.9 | -51.7 | -52.7 | -54.2 | -55.7 | -56.4 | -56.8 | -56.4 | -55.5 | /// | /// |
| 2日 | /// | -9.2 | -10.4 | -12.5 | -14.7 | -20.6 | -27.5 | -35.3 | -45.0 | -50.7 | -55.2 | -54.2 | -50.8 | -50.7 | -51.1 | -51.9 | -52.9 | -54.5 | -55.9 | -56.7 | -57.2 | -56.8 | -56.0 | /// | /// |
| 3日 | /// | -9.3 | -10.5 | -12.6 | -14.8 | -20.7 | -27.5 | -35.3 | -45.0 | -50.7 | -55.3 | -54.4 | -51.0 | -50.8 | -51.2 | -52.0 | -53.1 | -54.7 | -56.2 | -57.0 | -57.5 | -57.2 | -56.4 | /// | /// |
| 4日 | /// | -9.4 | -10.6 | -12.7 | -14.9 | -20.8 | -27.6 | -35.4 | -45.1 | -50.8 | -55.4 | -54.5 | -51.1 | -51.0 | -51.4 | -52.2 | -53.3 | -55.0 | -56.6 | -57.3 | -57.9 | -57.6 | -56.8 | /// | /// |
| 5日 | /// | -9.5 | -10.7 | -12.8 | -15.1 | -20.9 | -27.7 | -35.5 | -45.2 | -50.9 | -55.5 | -54.7 | -51.3 | -51.1 | -51.5 | -52.4 | -53.5 | -55.3 | -56.9 | -57.7 | -58.2 | -58.0 | -57.2 | /// | /// |
| 6日 | /// | -9.7 | -10.8 | -12.9 | -15.2 | -21.0 | -27.8 | -35.6 | -45.3 | -51.0 | -55.6 | -54.8 | -51.5 | -51.3 | -51.7 | -52.6 | -53.8 | -55.6 | -57.2 | -58.0 | -58.6 | -58.4 | -57.7 | /// | /// |
| 7日 | /// | -9.8 | -10.9 | -13.1 | -15.3 | -21.1 | -27.8 | -35.7 | -45.4 | -51.1 | -55.7 | -55.0 | -51.6 | -51.5 | -51.9 | -52.8 | -54.0 | -55.9 | -57.5 | -58.4 | -59.0 | -58.8 | -58.1 | /// | /// |
| 8日 | /// | -9.9 | -11.1 | -13.2 | -15.4 | -21.2 | -27.9 | -35.8 | -45.5 | -51.1 | -55.8 | -55.1 | -51.8 | -51.6 | -52.1 | -53.0 | -54.3 | -56.2 | -57.9 | -58.7 | -59.4 | -59.3 | -58.6 | /// | /// |
| 9日 | /// | -10.0 | -11.2 | -13.3 | -15.5 | -21.2 | -28.0 | -35.9 | -45.6 | -51.2 | -55.9 | -55.3 | -52.0 | -51.8 | -52.3 | -53.3 | -54.5 | -56.5 | -58.3 | -59.1 | -59.9 | -59.7 | -59.0 | /// | /// |
| 10日 | /// | -10.1 | -11.3 | -13.4 | -15.6 | -21.3 | -28.1 | -36.0 | -45.7 | -51.3 | -56.0 | -55.5 | -52.2 | -52.1 | -52.5 | -53.5 | -54.8 | -56.9 | -58.7 | -59.5 | -60.3 | -60.2 | -59.5 | /// | /// |
| 11日 | /// | -10.3 | -11.4 | -13.5 | -15.7 | -21.4 | -28.2 | -36.1 | -45.8 | -51.4 | -56.1 | -55.6 | -52.5 | -52.3 | -52.7 | -53.8 | -55.1 | -57.2 | -59.1 | -60.0 | -60.7 | -60.7 | -60.0 | /// | /// |
| 12日 | /// | -10.4 | -11.5 | -13.6 | -15.8 | -21.5 | -28.2 | -36.2 | -45.9 | -51.4 | -56.2 | -55.8 | -52.7 | -52.5 | -53.0 | -54.1 | -55.4 | -57.6 | -59.5 | -60.4 | -61.2 | -61.2 | -60.5 | /// | /// |
| 13日 | /// | -10.5 | -11.7 | -13.8 | -15.9 | -21.5 | -28.3 | -36.3 | -46.0 | -51.5 | -56.3 | -56.0 | -52.9 | -52.7 | -53.2 | -54.4 | -55.7 | -58.0 | -59.9 | -60.8 | -61.6 | -61.7 | -61.0 | /// | /// |
| 14日 | /// | -10.7 | -11.8 | -13.9 | -16.1 | -21.6 | -28.4 | -36.3 | -46.0 | -51.6 | -56.4 | -56.2 | -53.1 | -53.0 | -53.5 | -54.6 | -56.0 | -58.3 | -60.3 | -61.2 | -62.0 | -62.2 | -61.5 | /// | /// |
| 15日 | /// | -10.8 | -12.0 | -14.1 | -16.2 | -21.7 | -28.4 | -36.4 | -46.1 | -51.7 | -56.5 | -56.3 | -53.3 | -53.2 | -53.8 | -54.9 | -56.3 | -58.7 | -60.7 | -61.7 | -62.5 | -62.7 | -62.0 | /// | /// |
| 16日 | /// | -11.0 | -12.1 | -14.2 | -16.3 | -21.8 | -28.5 | -36.5 | -46.2 | -51.7 | -56.6 | -56.5 | -53.6 | -53.4 | -54.0 | -55.2 | -56.6 | -59.0 | -61.1 | -62.1 | -62.9 | -63.1 | -62.4 | /// | /// |
| 17日 | /// | -11.1 | -12.3 | -14.4 | -16.5 | -21.9 | -28.6 | -36.6 | -46.3 | -51.8 | -56.7 | -56.7 | -53.8 | -53.6 | -54.3 | -55.4 | -56.9 | -59.4 | -61.4 | -62.5 | -63.3 | -63.6 | -62.9 | /// | /// |
| 18日 | /// | -11.3 | -12.5 | -14.5 | -16.6 | -22.0 | -28.6 | -36.7 | -46.4 | -51.9 | -56.7 | -56.8 | -54.0 | -53.8 | -54.5 | -55.7 | -57.2 | -59.7 | -61.8 | -62.9 | -63.7 | -64.0 | -63.3 | /// | /// |
| 19日 | /// | -11.4 | -12.6 | -14.6 | -16.7 | -22.1 | -28.7 | -36.8 | -46.5 | -52.0 | -56.8 | -56.9 | -54.1 | -54.0 | -54.7 | -55.9 | -57.5 | -60.1 | -62.2 | -63.3 | -64.1 | -64.4 | -63.7 | /// | /// |
| 20日 | /// | -11.6 | -12.8 | -14.8 | -16.8 | -22.2 | -28.8 | -36.9 | -46.6 | -52.0 | -56.9 | -57.1 | -54.3 | -54.2 | -55.0 | -56.2 | -57.8 | -60.4 | -62.5 | -63.7 | -64.5 | -64.8 | -64.1 | /// | /// |
| 21日 | /// | -11.7 | -12.9 | -14.9 | -16.9 | -22.2 | -28.8 | -37.0 | -46.7 | -52.1 | -56.9 | -57.2 | -54.5 | -54.4 | -55.2 | -56.4 | -58.0 | -60.7 | -62.9 | -64.0 | -64.8 | -65.2 | -64.4 | /// | /// |
| 22日 | /// | -11.9 | -13.0 | -15.0 | -17.0 | -22.3 | -28.9 | -37.0 | -46.8 | -52.2 | -57.0 | -57.3 | -54.7 | -54.6 | -55.4 | -56.7 | -58.3 | -61.0 | -63.2 | -64.4 | -65.2 | -65.6 | -64.8 | /// | /// |
| 23日 | /// | -12.0 | -13.1 | -15.1 | -17.0 | -22.3 | -29.0 | -37.1 | -46.9 | -52.3 | -57.1 | -57.5 | -54.9 | -54.9 | -55.7 | -56.9 | -58.6 | -61.3 | -63.5 | -64.7 | -65.6 | -66.0 | -64.9 | /// | /// |
| 24日 | /// | -12.1 | -13.2 | -15.1 | -17.0 | -22.3 | -29.0 | -37.1 | -46.9 | -52.4 | -57.1 | -57.7 | -55.2 | -55.1 | -55.9 | -57.2 | -58.9 | -61.6 | -63.8 | -65.1 | -65.9 | -66.3 | -65.1 | /// | /// |
| 25日 | /// | -12.2 | -13.3 | -15.1 | -17.1 | -22.3 | -29.0 | -37.2 | -47.0 | -52.4 | -57.2 | -57.9 | -55.4 | -55.3 | -56.1 | -57.4 | -59.1 | -61.9 | -64.2 | -65.4 | -66.3 | -66.7 | -65.2 | /// | /// |
| 26日 | /// | -12.2 | -13.4 | -15.2 | -17.1 | -22.3 | -29.0 | -37.2 | -47.0 | -52.5 | -57.3 | -58.1 | -55.7 | -55.6 | -56.4 | -57.7 | -59.4 | -62.2 | -64.5 | -65.7 | -66.6 | -67.0 | -65.4 | /// | /// |
| 27日 | /// | -12.3 | -13.4 | -15.2 | -17.0 | -22.3 | -29.0 | -37.2 | -47.1 | -52.6 | -57.4 | -58.3 | -55.9 | -55.8 | -56.6 | -57.9 | -59.7 | -62.5 | -64.8 | -66.0 | -67.0 | -67.3 | /// | /// | /// |
| 28日 | /// | -12.4 | -13.4 | -15.2 | -17.0 | -22.2 | -29.0 | -37.1 | -47.1 | -52.6 | -57.5 | -58.5 | -56.2 | -56.1 | -56.9 | -58.2 | -59.9 | -62.7 | -65.1 | -66.3 | -67.3 | -67.6 | /// | /// | /// |
| 29日 | /// | -12.4 | -13.5 | -15.2 | -17.0 | -22.2 | -28.9 | -37.1 | -47.1 | -52.6 | -57.6 | -58.8 | -56.5 | -56.3 | -57.1 | -58.4 | -60.2 | -63.0 | -65.4 | -66.6 | -67.6 | -67.9 | /// | /// | /// |
| 30日 | /// | -12.4 | -13.5 | -15.2 | -17.0 | -22.2 | -28.9 | -37.0 | -47.1 | -52.6 | -57.6 | -59.0 | -56.7 | -56.6 | -57.4 | -58.7 | -60.5 | -63.3 | -65.7 | -66.9 | -68.0 | -68.1 | /// | /// | /// |