指定気圧面の観測データ（日ごとの値）
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秋田 2010年8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 | 1006.5 | 7 | 26.3 | 90 | 3.9 | 220 |
| 2 | 1007.1 | 7 | 23.1 | 56 | 3.7 | 10 |
| 3 | 1008.2 | 7 | 26.4 | 80 | 1.7 | 60 |
| 4 | 1014.4 | 7 | 28.9 | 70 | 1.9 | 140 |
| 5 | 1017.3 | 7 | 29.7 | 75 | 1.0 | 30 |
| 6 | 1017.0 | 7 | 28.5 | 80 | 1.6 | 230 |
| 7 | 1015.0 | 7 | 28.1 | 82 | 2.4 | 230 |
| 8 | 1013.5 | 7 | 27.6 | 82 | 2.4 | 10 |
| 9 | 1013.1 | 7 | 27.8 | 81 | 1.0 | 50 |
| 10 | 1012.2 | 7 | 28.7 | 79 | 1.2 | 10 |
| 11 | 1006.7 | 7 | 27.4 | 78 | 4.7 | 130 |
| 12 | 1000.9 | 7 | 23.7 | 86 | 6.8 | 320 |
| 13 | 1007.3 | 7 | 26.5 | 68 | 0.7 | 240 |
| 14 | 1006.4 | 7 | 23.9 | 94 | 3.1 | 120 |
| 15 | 1007.8 | 7 | 28.0 | 78 | 6.3 | 210 |
| 16 | 1009.5 | 7 | 26.7 | 85 | 5.1 | 230 |
| 17 | 1012.3 | 7 | 23.5 | 83 | 3.6 | 360 |
| 18 | 1018.4 | 7 | 25.6 | 80 | 1.9 | 70 |
| 19 | 1020.9 | 7 | 26.6 | 50 | 4.0 | 130 |
| 20 | 1017.5 | 7 | 26.8 | 74 | 1.1 | 140 |
| 21 | 1015.1 | 7 | 26.5 | 79 | 0.7 | 190 |
| 22 | 1012.9 | 7 | 26.8 | 86 | 1.0 | 220 |
| 23 | 1012.9 | 7 | 27.5 | 83 | 2.0 | 170 |
| 24 | 1011.8 | 7 | 26.7 | 86 | 1.5 | 310 |
| 25 | 1015.0 | 7 | 25.0 | 59 | 2.0 | 40 |
| 26 | 1017.2 | 7 | 26.0 | 69 | 0.9 | 30 |
| 27 | 1018.2 | 7 | 27.3 | 81 | 1.4 | 350 |
| 28 | 1017.2 | 7 | 26.1 | 81 | 3.3 | 360 |
| 29 | 1013.7 | 7 | 27.2 | 76 | 0.5 | 30 |
| 30 | 1011.4 | 7 | 29.2 | 78 | 2.3 | 220 |
| 31 | 1015.0 | 7 | 27.5 | 82 | 2.0 | 120 |