指定気圧面の観測データ（日ごとの値）
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秋田 2005年7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 | 1001.8 | 7 | 21.6 | 92 | 2.0 | 140 |
| 2 | 1005.6 | 7 | 21.3 | 82 | 1.4 | 160 |
| 3 | 1003.6 | 7 | 22.9 | 62 | 7.0 | 120 |
| 4 | 996.6 | 7 | 18.7 | 85 | 7.9 | 110 |
| 5 | 999.1 | 7 | 20.5 | 94 | 2.9 | 130 |
| 6 | 1001.8 | 7 | 20.8 | 87 | 3.2 | 280 |
| 7 | 1007.2 | 7 | 19.5 | 84 | 2.2 | 340 |
| 8 | 1011.4 | 7 | 19.5 | 77 | 3.1 | 360 |
| 9 | 1007.2 | 7 | 21.7 | 69 | 7.6 | 120 |
| 10 | 1001.4 | 7 | 21.4 | 95 | 11.1 | 230 |
| 11 | 1006.6 | 7 | 19.9 | 78 | 1.3 | 140 |
| 12 | 1008.2 | 7 | 21.1 | 81 | 0.1 | - |
| 13 | 1012.8 | 7 | 22.2 | 75 | 2.5 | 10 |
| 14 | 1016.1 | 7 | 21.0 | 93 | 1.0 | 170 |
| 15 | 1017.0 | 7 | 22.6 | 81 | 2.6 | 10 |
| 16 | 1015.2 | 7 | 24.0 | 81 | 1.4 | 170 |
| 17 | 1012.7 | 7 | 24.7 | 86 | 2.5 | 210 |
| 18 | 1006.7 | 7 | 23.7 | 89 | 6.7 | 230 |
| 19 | 1007.3 | 7 | 22.5 | 73 | 2.9 | 260 |
| 20 | 1007.2 | 7 | 20.7 | 79 | 2.3 | 150 |
| 21 | 1006.5 | 7 | 20.1 | 94 | 3.2 | 120 |
| 22 | 1008.5 | 7 | 23.5 | 70 | 3.4 | 140 |
| 23 | 1007.9 | 7 | 23.1 | 77 | 1.7 | 330 |
| 24 | 1008.9 | 7 | 22.7 | 82 | 2.4 | 10 |
| 25 | 1006.7 | 7 | 23.2 | 79 | 3.7 | 360 |
| 26 | 992.9 | 7 | 24.6 | 87 | 2.5 | 20 |
| 27 | 1003.5 | 7 | 21.7 | 82 | 8.3 | 280 |
| 28 | 1007.0 | 7 | 22.1 | 81 | 1.1 | 50 |
| 29 | 1005.6 | 7 | 23.8 | 91 | 4.8 | 130 |
| 30 | 1007.7 | 7 | 25.9 | 84 | 2.5 | 120 |
| 31 | 1008.7 | 7 | 25.0 | 87 | 1.1 | 280 |