指定気圧面の観測データ（日ごとの値）
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南大東島 1996年10月9時 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 1000.1 | 20 | 26.0 | 74 | 6.3 | 280 |
| 2 | 1009.9 | 20 | 25.4 | 68 | 0.7 | 310 |
| 3 | 1010.5 | 20 | 24.3 | 69 | 3.0 | 330 |
| 4 | 1010.5 | 20 | 25.1 | 65 | 3.4 | 320 |
| 5 | 1012.5 | 20 | 25.1 | 44 | 3.2 | 360 |
| 6 | 1014.2 | 20 | 25.6 | 56 | 3.3 | 130 |
| 7 | 1015.3 | 20 | 25.7 | 73 | 2.2 | 60 |
| 8 | 1014.3 | 20 | 27.7 | 78 | 4.1 | 150 |
| 9 | 1013.1 | 20 | 26.6 | 82 | 2.4 | 220 |
| 10 | 1013.0 | 20 | 26.1 | 80 | 3.8 | 40 |
| 11 | 1014.3 | 20 | 26.9 | 74 | 6.2 | 70 |
| 12 | 1016.1 | 20 | 26.2 | 86 | 6.6 | 90 |
| 13 | 1014.2 | 20 | 27.0 | 82 | 5.4 | 110 |
| 14 | 1009.3 | 20 | 27.0 | 81 | 5.6 | 140 |
| 15 | 1006.8 | 20 | 25.8 | 76 | 5.7 | 10 |
| 16 | 1012.9 | 20 | 24.6 | 54 | 6.8 | 10 |
| 17 | 1014.2 | 20 | 24.5 | 68 | 6.5 | 60 |
| 18 | 1011.4 | 20 | 23.1 | 94 | 7.9 | 190 |
| 19 | 1011.6 | 20 | 25.1 | 80 | 5.4 | 20 |
| 20 | 1014.0 | 20 | 25.7 | 68 | 4.1 | 30 |
| 21 | 1014.7 | 20 | 24.5 | 75 | 8.2 | 50 |
| 22 | 1012.7 | 20 | 22.2 | 78 | 11.1 | 50 |
| 23 | 1010.3 | 20 | 22.2 | 92 | 9.5 | 70 |
| 24 | 1009.6 | 20 | 23.6 | 84 | 8.8 | 80 |
| 25 | 1009.9 | 20 | 24.6 | 81 | 3.4 | 10 |
| 26 | 1011.9 | 20 | 24.6 | 81 | 3.6 | 40 |
| 27 | 1015.5 | 20 | 24.7 | 72 | 6.0 | 70 |
| 28 | 1016.8 | 20 | 25.7 | 85 | 3.2 | 80 |
| 29 | 1015.6 | 20 | 26.2 | 85 | 3.2 | 110 |
| 30 | 1015.0 | 20 | 26.0 | 85 | 2.3 | 90 |
| 31 | 1014.6 | 20 | 25.7 | 84 | 2.9 | 60 |