指定気圧面の観測データ（日ごとの値）
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南鳥島 1993年6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 | 1010.2 | 9 | 25.3 | 74 | 3.8 | 290 |
| 2 | 1009.2 | 9 | 23.1 | 82 | 1.4 | 330 |
| 3 | 1009.8 | 9 | 24.1 | 74 | 1.7 | 40 |
| 4 | 1008.8 | 9 | 24.6 | 73 | 1.6 | 130 |
| 5 | 1010.1 | 9 | 26.5 | 72 | 0.5 | 210 |
| 6 | 1010.2 | 9 | 26.8 | 74 | 2.8 | 170 |
| 7 | 1012.3 | 9 | 27.1 | 86 | 3.0 | 290 |
| 8 | 1015.3 | 9 | 26.3 | 81 | 3.9 | 30 |
| 9 | 1015.4 | 9 | 26.8 | 89 | 1.2 | 140 |
| 10 | 1012.6 | 9 | 26.8 | 88 | 1.9 | 210 |
| 11 | 1011.9 | 9 | 25.8 | 86 | 1.0 | 240 |
| 12 | 1014.6 | 9 | 26.9 | 84 | 2.3 | 160 |
| 13 | 1014.4 | 9 | 26.7 | 82 | 4.0 | 80 |
| 14 | 1014.1 | 9 | 26.6 | 79 | 2.4 | 40 |
| 15 | 1013.3 | 9 | 27.2 | 74 | 2.4 | 100 |
| 16 | 1013.0 | 9 | 27.8 | 80 | 3.0 | 280 |
| 17 | 1011.5 | 9 | 26.7 | 76 | 4.0 | 280 |
| 18 | 1009.7 | 9 | 27.1 | 80 | 3.2 | 320 |
| 19 | 1012.0 | 9 | 25.1 | 67 | 3.0 | 360 |
| 20 | 1014.4 | 9 | 25.7 | 82 | 6.0 | 80 |
| 21 | 1015.3 | 9 | 26.6 | 85 | 4.0 | 80 |
| 22 | 1015.0 | 9 | 25.1 | 84 | 1.0 | 10 |
| 23 | 1014.7 | 9 | 27.7 | 75 | 1.3 | 310 |
| 24 | 1014.9 | 9 | 26.3 | 84 | 1.6 | 180 |
| 25 | 1016.3 | 9 | 27.3 | 76 | 2.0 | 160 |
| 26 | 1017.8 | 9 | 27.8 | 79 | 1.9 | 110 |
| 27 | 1018.1 | 9 | 27.2 | 79 | 0.7 | 40 |
| 28 | 1017.1 | 9 | 28.2 | 73 | 2.8 | 10 |
| 29 | 1016.2 | 9 | 28.2 | 74 | 3.8 | 120 |
| 30 | 1015.9 | 9 | 28.3 | 77 | 2.9 | 140 |