平年値（日ごとの値）
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札幌 4月21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 | 2003～ 2019 |
| 資料年数 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 24 | 1 |
| 1日 | 3.4 | -0.7 | -2.2 | -5.0 | -7.7 | -13.4 | -20.1 | -28.4 | -38.8 | -44.4 | -49.4 | -52.6 | -52.7 | -52.3 | -52.5 | -53.3 | -54.3 | -54.5 | -53.8 | -52.9 | -51.6 | -49.4 | -47.7 | /// | /// |
| 2日 | 3.6 | -0.5 | -2.0 | -4.7 | -7.5 | -13.1 | -19.8 | -28.2 | -38.6 | -44.2 | -49.3 | -52.6 | -52.8 | -52.4 | -52.6 | -53.4 | -54.4 | -54.6 | -53.9 | -52.9 | -51.6 | -49.4 | -47.6 | /// | /// |
| 3日 | 3.7 | -0.3 | -1.8 | -4.5 | -7.2 | -12.8 | -19.6 | -27.9 | -38.3 | -44.0 | -49.2 | -52.6 | -52.9 | -52.5 | -52.7 | -53.5 | -54.5 | -54.6 | -53.9 | -52.9 | -51.6 | -49.4 | -47.6 | /// | /// |
| 4日 | 3.9 | -0.1 | -1.5 | -4.2 | -6.9 | -12.5 | -19.3 | -27.7 | -38.1 | -43.8 | -49.1 | -52.6 | -53.0 | -52.6 | -52.8 | -53.6 | -54.6 | -54.7 | -54.0 | -53.0 | -51.5 | -49.5 | -47.6 | /// | /// |
| 5日 | 4.1 | 0.1 | -1.3 | -4.0 | -6.6 | -12.2 | -19.1 | -27.5 | -37.9 | -43.7 | -49.0 | -52.6 | -53.1 | -52.7 | -52.9 | -53.7 | -54.7 | -54.8 | -54.0 | -53.0 | -51.5 | -49.5 | -47.6 | /// | /// |
| 6日 | 4.3 | 0.3 | -1.1 | -3.7 | -6.4 | -11.9 | -18.8 | -27.3 | -37.8 | -43.5 | -48.9 | -52.6 | -53.2 | -52.8 | -53.0 | -53.8 | -54.8 | -54.9 | -54.0 | -53.0 | -51.5 | -49.6 | -47.6 | /// | /// |
| 7日 | 4.4 | 0.4 | -0.9 | -3.5 | -6.1 | -11.7 | -18.6 | -27.1 | -37.6 | -43.4 | -48.8 | -52.5 | -53.3 | -52.9 | -53.1 | -53.9 | -54.9 | -55.0 | -54.1 | -53.0 | -51.5 | -49.6 | /// | /// | /// |
| 8日 | 4.6 | 0.6 | -0.7 | -3.3 | -5.9 | -11.5 | -18.4 | -26.9 | -37.5 | -43.3 | -48.7 | -52.5 | -53.4 | -53.0 | -53.2 | -54.0 | -55.0 | -55.1 | -54.1 | -53.0 | -51.5 | -49.7 | /// | /// | /// |
| 9日 | 4.8 | 0.8 | -0.5 | -3.0 | -5.6 | -11.2 | -18.2 | -26.8 | -37.3 | -43.2 | -48.7 | -52.5 | -53.4 | -53.1 | -53.3 | -54.1 | -55.1 | -55.2 | -54.1 | -52.9 | -51.5 | -49.7 | /// | /// | /// |
| 10日 | 4.9 | 1.0 | -0.2 | -2.8 | -5.4 | -11.0 | -18.0 | -26.6 | -37.2 | -43.1 | -48.6 | -52.5 | -53.4 | -53.1 | -53.4 | -54.2 | -55.2 | -55.3 | -54.1 | -52.9 | -51.5 | -49.8 | /// | /// | /// |
| 11日 | 5.1 | 1.2 | 0.0 | -2.5 | -5.1 | -10.8 | -17.8 | -26.4 | -37.1 | -43.0 | -48.6 | -52.5 | -53.5 | -53.2 | -53.4 | -54.3 | -55.3 | -55.3 | -54.2 | -52.9 | -51.5 | -49.8 | /// | /// | /// |
| 12日 | 5.3 | 1.4 | 0.2 | -2.3 | -4.9 | -10.6 | -17.6 | -26.2 | -36.9 | -42.9 | -48.5 | -52.5 | -53.5 | -53.3 | -53.5 | -54.4 | -55.4 | -55.4 | -54.2 | -52.9 | -51.5 | -49.9 | /// | /// | /// |
| 13日 | 5.5 | 1.7 | 0.4 | -2.0 | -4.6 | -10.3 | -17.3 | -26.0 | -36.8 | -42.8 | -48.4 | -52.6 | -53.6 | -53.4 | -53.6 | -54.5 | -55.5 | -55.5 | -54.3 | -52.9 | -51.5 | -49.9 | /// | /// | /// |
| 14日 | 5.7 | 1.9 | 0.7 | -1.8 | -4.4 | -10.1 | -17.1 | -25.8 | -36.6 | -42.6 | -48.3 | -52.6 | -53.6 | -53.4 | -53.7 | -54.6 | -55.6 | -55.6 | -54.3 | -53.0 | -51.5 | -49.9 | /// | /// | /// |
| 15日 | 5.9 | 2.2 | 0.9 | -1.5 | -4.1 | -9.9 | -16.8 | -25.6 | -36.4 | -42.5 | -48.3 | -52.6 | -53.7 | -53.5 | -53.8 | -54.7 | -55.7 | -55.7 | -54.4 | -53.0 | -51.5 | -49.9 | /// | /// | /// |
| 16日 | 6.1 | 2.4 | 1.2 | -1.3 | -3.9 | -9.6 | -16.6 | -25.3 | -36.2 | -42.3 | -48.2 | -52.6 | -53.7 | -53.6 | -53.8 | -54.8 | -55.8 | -55.8 | -54.5 | -53.0 | -51.5 | -49.8 | /// | /// | /// |
| 17日 | 6.3 | 2.7 | 1.4 | -1.0 | -3.6 | -9.3 | -16.3 | -25.1 | -36.0 | -42.2 | -48.1 | -52.6 | -53.8 | -53.7 | -53.9 | -54.9 | -55.9 | -55.9 | -54.6 | -53.1 | -51.5 | -49.8 | /// | /// | /// |
| 18日 | 6.5 | 3.0 | 1.7 | -0.7 | -3.3 | -9.1 | -16.0 | -24.8 | -35.8 | -42.0 | -48.0 | -52.5 | -53.8 | -53.8 | -54.0 | -55.0 | -56.0 | -56.0 | -54.7 | -53.2 | -51.5 | -49.7 | /// | /// | /// |
| 19日 | 6.7 | 3.2 | 2.0 | -0.5 | -3.1 | -8.8 | -15.8 | -24.6 | -35.6 | -41.8 | -47.8 | -52.5 | -53.9 | -53.9 | -54.0 | -55.1 | -56.1 | -56.1 | -54.8 | -53.2 | -51.5 | -49.7 | /// | /// | /// |
| 20日 | 7.0 | 3.5 | 2.2 | -0.2 | -2.8 | -8.5 | -15.5 | -24.3 | -35.4 | -41.6 | -47.7 | -52.5 | -54.0 | -54.0 | -54.1 | -55.2 | -56.2 | -56.2 | -54.9 | -53.3 | -51.5 | -49.6 | /// | /// | /// |
| 21日 | 7.2 | 3.8 | 2.5 | 0.1 | -2.5 | -8.3 | -15.3 | -24.1 | -35.2 | -41.5 | -47.6 | -52.4 | -54.0 | -54.0 | -54.2 | -55.2 | -56.2 | -56.4 | -55.0 | -53.4 | -51.5 | -49.6 | /// | /// | /// |
| 22日 | 7.4 | 4.0 | 2.7 | 0.4 | -2.2 | -8.0 | -15.0 | -23.9 | -35.0 | -41.3 | -47.5 | -52.4 | -54.1 | -54.1 | -54.2 | -55.3 | -56.3 | -56.5 | -55.0 | -53.5 | -51.5 | -49.6 | /// | /// | /// |
| 23日 | 7.6 | 4.3 | 3.0 | 0.7 | -2.0 | -7.7 | -14.8 | -23.6 | -34.8 | -41.1 | -47.4 | -52.3 | -54.1 | -54.2 | -54.3 | -55.3 | -56.3 | -56.6 | -55.1 | -53.6 | -51.6 | -49.5 | /// | /// | /// |
| 24日 | 7.9 | 4.6 | 3.3 | 0.9 | -1.7 | -7.5 | -14.5 | -23.4 | -34.6 | -40.9 | -47.3 | -52.3 | -54.2 | -54.2 | -54.3 | -55.4 | -56.4 | -56.7 | -55.2 | -53.6 | -51.6 | -49.5 | /// | /// | /// |
| 25日 | 8.1 | 4.8 | 3.6 | 1.2 | -1.4 | -7.2 | -14.3 | -23.2 | -34.3 | -40.7 | -47.1 | -52.2 | -54.3 | -54.3 | -54.4 | -55.4 | -56.4 | -56.7 | -55.3 | -53.7 | -51.7 | -49.6 | /// | /// | /// |
| 26日 | 8.3 | 5.1 | 3.8 | 1.5 | -1.1 | -7.0 | -14.0 | -22.9 | -34.1 | -40.5 | -47.0 | -52.1 | -54.3 | -54.3 | -54.5 | -55.4 | -56.5 | -56.8 | -55.3 | -53.8 | -51.8 | -49.6 | /// | /// | /// |
| 27日 | 8.5 | 5.3 | 4.1 | 1.8 | -0.8 | -6.7 | -13.8 | -22.7 | -33.8 | -40.3 | -46.8 | -52.0 | -54.4 | -54.4 | -54.5 | -55.4 | -56.5 | -56.9 | -55.4 | -53.9 | -51.9 | -49.7 | /// | /// | /// |
| 28日 | 8.8 | 5.6 | 4.3 | 2.0 | -0.6 | -6.5 | -13.5 | -22.4 | -33.5 | -40.0 | -46.6 | -51.9 | -54.4 | -54.4 | -54.6 | -55.4 | -56.6 | -57.0 | -55.5 | -54.0 | -52.0 | -49.7 | /// | /// | /// |
| 29日 | 8.9 | 5.8 | 4.5 | 2.2 | -0.3 | -6.2 | -13.3 | -22.2 | -33.3 | -39.7 | -46.4 | -51.8 | -54.5 | -54.5 | -54.6 | -55.4 | -56.7 | -57.1 | -55.6 | -54.1 | -52.1 | -49.8 | /// | /// | /// |
| 30日 | 9.1 | 6.0 | 4.8 | 2.5 | -0.1 | -6.0 | -13.0 | -21.9 | -33.0 | -39.5 | -46.1 | -51.7 | -54.5 | -54.5 | -54.7 | -55.5 | -56.7 | -57.2 | -55.7 | -54.2 | -52.2 | -49.8 | /// | /// | /// |