指定気圧面の観測データ（日ごとの値）
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石垣島 2008年4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 | 1016.8 | 8 | 20.0 | 70 | 2.8 | 50 |
| 2 | 1015.6 | 8 | 22.5 | 81 | 3.0 | 340 |
| 3 | 1015.4 | 8 | 19.2 | 83 | 4.4 | 50 |
| 4 | 1015.3 | 8 | 23.8 | 86 | 3.2 | 140 |
| 5 | 1015.4 | 8 | 24.4 | 86 | 2.5 | 200 |
| 6 | 1011.8 | 8 | 24.9 | 88 | 1.2 | 220 |
| 7 | 1010.2 | 8 | 25.6 | 88 | 3.3 | 120 |
| 8 | 1007.2 | 8 | 25.5 | 87 | 4.1 | 190 |
| 9 | 1005.6 | 8 | 25.8 | 84 | 3.8 | 230 |
| 10 | 1012.5 | 8 | 19.7 | 67 | 2.7 | 30 |
| 11 | 1012.3 | 8 | 22.9 | 70 | 5.3 | 80 |
| 12 | 1011.4 | 8 | 24.3 | 88 | 1.8 | 50 |
| 13 | 1012.2 | 8 | 22.3 | 80 | 3.7 | 40 |
| 14 | 1014.5 | 8 | 22.0 | 75 | 1.8 | 30 |
| 15 | 1012.7 | 8 | 25.2 | 79 | 3.9 | 100 |
| 16 | 1012.1 | 8 | 26.0 | 86 | 2.9 | 150 |
| 17 | /// | /// | /// | /// | /// | /// |
| 18 | 1014.4 | 8 | 22.8 | 72 | 4.4 | 50 |
| 19 | 1013.9 | 8 | 23.1 | 67 | 4.5 | 80 |
| 20 | 1011.0 | 8 | 24.3 | 71 | 5.4 | 120 |
| 21 | 1010.9 | 8 | 25.6 | 78 | 6.3 | 120 |
| 22 | 1011.1 | 8 | 24.1 | 87 | 3.0 | 320 |
| 23 | 1014.4 | 8 | 21.6 | 69 | 5.9 | 360 |
| 24 | 1017.1 | 8 | 18.7 | 57 | 2.9 | 10 |
| 25 | 1014.7 | 8 | 22.2 | 62 | 3.6 | 100 |
| 26 | 1015.3 | 8 | 21.6 | 62 | 2.6 | 50 |
| 27 | 1013.0 | 8 | 24.4 | 63 | 5.3 | 110 |
| 28 | 1011.8 | 8 | 22.1 | 84 | 7.7 | 70 |
| 29 | 1012.3 | 8 | 22.4 | 87 | 8.1 | 90 |
| 30 | 1007.6 | 8 | 24.5 | 87 | 5.5 | 180 |