指定気圧面の観測データ（日ごとの値）
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那覇 1999年6月9時 350hPa
| 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 | 8577 | -19.5 | 50 | 13 | 310 |
| 2 | 8601 | -20.0 | 55 | 7 | 306 |
| 3 | 8599 | -20.5 | 47 | 7 | 311 |
| 4 | 8609 | -20.5 | 24 | 3 | 347 |
| 5 | 8613 | -20.5 | 13 | 5 | 71 |
| 6 | 8613 | -20.5 | 66 | 1 | 49 |
| 7 | 8618 | -20.8 | 84 | 5 | 312 |
| 8 | 8614 | -22.3 | 52 | 7 | 298 |
| 9 | 8607 | -20.0 | 64 | 8 | 304 |
| 10 | 8584 | -21.7 | 85 | 9 | 295 |
| 11 | 8593 | -20.3 | 52 | 16 | 277 |
| 12 | 8583 | -20.3 | 1 | 16 | 253 |
| 13 | 8549 | -22.3 | 49 | 19 | 238 |
| 14 | 8456 | -27.5 | 27 | 23 | 222 |
| 15 | 8507 | -26.9 | 2 | 21 | 228 |
| 16 | 8585 | -21.5 | 41 | 18 | 183 |
| 17 | 8599 | -22.7 | 14 | 10 | 202 |
| 18 | 8572 | -22.7 | 25 | 2 | 253 |
| 19 | 8579 | -21.5 | 84 | 8 | 223 |
| 20 | 8570 | -21.6 | 57 | 11 | 293 |
| 21 | 8566 | -21.9 | 81 | 11 | 285 |
| 22 | 8584 | -22.6 | 56 | 2 | 246 |
| 23 | 8608 | -21.3 | 51 | 2 | 241 |
| 24 | 8608 | -21.2 | 9 | 6 | 122 |
| 25 | 8602 | -20.5 | 5 | 2 | 190 |
| 26 | 8606 | -21.7 | 12 | 4 | 98 |
| 27 | 8608 | -20.7 | 16 | 5 | 355 |
| 28 | 8598 | -20.3 | 32 | 4 | 273 |
| 29 | 8589 | -22.0 | 62 | 9 | 8 |
| 30 | 8597 | -20.0 | 62 | 9 | 277 |