指定気圧面の観測データ（日ごとの値）
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札幌 2008年11月21時 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 1009.8 | 26 | 5.8 | 71 | 2.0 | 180 |
| 2 | 1004.6 | 26 | 11.3 | 52 | 3.3 | 230 |
| 3 | 1000.2 | 26 | 4.9 | 81 | 2.4 | 300 |
| 4 | 1009.5 | 26 | 3.1 | 74 | 3.4 | 210 |
| 5 | 1009.4 | 26 | 8.2 | 79 | 3.9 | 150 |
| 6 | 1006.8 | 26 | 13.7 | 68 | 3.1 | 190 |
| 7 | 1004.6 | 26 | -0.6 | 76 | 4.5 | 310 |
| 8 | 1008.9 | 26 | 6.2 | 58 | 8.6 | 310 |
| 9 | 1016.4 | 26 | 6.7 | 71 | 5.9 | 330 |
| 10 | 1024.2 | 26 | 3.8 | 69 | 2.2 | 170 |
| 11 | 1024.2 | 26 | 3.4 | 79 | 0.2 | - |
| 12 | 1021.9 | 26 | 6.2 | 59 | 3.1 | 150 |
| 13 | 1021.0 | 26 | 8.7 | 74 | 0.1 | - |
| 14 | 1018.2 | 26 | 9.6 | 87 | 3.7 | 130 |
| 15 | 1013.9 | 26 | 8.0 | 82 | 0.9 | 20 |
| 16 | 1009.1 | 26 | 8.4 | 80 | 4.2 | 310 |
| 17 | 1007.0 | 26 | 6.7 | 63 | 0.5 | 300 |
| 18 | 1003.7 | 26 | 3.9 | 60 | 4.3 | 330 |
| 19 | 1002.5 | 26 | -2.6 | 87 | 5.5 | 320 |
| 20 | 1008.8 | 26 | -2.5 | 77 | 0.9 | 40 |
| 21 | 1006.4 | 26 | 0.2 | 63 | 4.0 | 310 |
| 22 | 1009.6 | 26 | 1.9 | 82 | 5.2 | 210 |
| 23 | 1016.6 | 26 | 0.9 | 51 | 3.7 | 270 |
| 24 | 1021.5 | 26 | -0.6 | 56 | 1.7 | 310 |
| 25 | 1018.1 | 26 | -0.6 | 67 | 1.1 | 180 |
| 26 | 1020.7 | 26 | 4.0 | 53 | 4.7 | 180 |
| 27 | 1012.1 | 26 | 5.2 | 67 | 4.7 | 320 |
| 28 | 1004.6 | 26 | 2.7 | 67 | 1.1 | 50 |
| 29 | 1001.2 | 26 | 4.4 | 79 | 6.6 | 170 |
| 30 | 1013.9 | 26 | -1.5 | 70 | 4.7 | 280 |