指定気圧面の観測データ（日ごとの値）
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那覇 1996年9月21時 300hPa
| 日 | ジオポテンシャル 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|
| 1 | 9704 | -29.2 | 70 | 3 | 43 |
| 2 | 9707 | -28.9 | 18 | 2 | 280 |
| 3 | 9711 | -29.7 | 24 | 2 | 273 |
| 4 | 9711 | -29.4 | 1 | 5 | 347 |
| 5 | 9714 | -30.2 | 9 | 11 | 45 |
| 6 | 9724 | -29.1 | 20 | 8 | 65 |
| 7 | 9752 | -29.2 | 42 | 7 | 27 |
| 8 | 9763 | -29.1 | 41 | 7 | 39 |
| 9 | 9767 | -28.9 | 9 | 5 | 41 |
| 10 | 9753 | -30.1 | 8 | 1 | 306 |
| 11 | 9746 | -30.3 | 10 | 5 | 271 |
| 12 | 9736 | -30.6 | 10 | 5 | 274 |
| 13 | 9710 | -31.0 | 56 | 8 | 262 |
| 14 | 9709 | -29.9 | 30 | 9 | 292 |
| 15 | 9723 | -28.3 | 27 | 9 | 280 |
| 16 | 9702 | -29.1 | 58 | 8 | 276 |
| 17 | 9683 | -27.2 | 81 | 11 | 101 |
| 18 | 9691 | -26.1 | 83 | 12 | 35 |
| 19 | 9703 | -26.7 | 6 | 19 | 25 |
| 20 | 9698 | -26.6 | 6 | 15 | 348 |
| 21 | 9701 | -27.5 | 7 | 22 | 286 |
| 22 | 9700 | -29.5 | 29 | 17 | 306 |
| 23 | 9703 | -30.0 | 29 | 15 | 243 |
| 24 | 9706 | -29.9 | 32 | 11 | 224 |
| 25 | 9706 | -29.3 | 25 | 14 | 233 |
| 26 | 9713 | -29.2 | 27 | 11 | 221 |
| 27 | 9704 | -28.1 | 87 | 14 | 212 |
| 28 | 9671 | -26.6 | 91 | 24 | 167 |
| 29 | 9591 | -24.3 | 66 | 26 | 223 |
| 30 | 9626 | -26.9 | 75 | 12 | 285 |