指定気圧面の観測データ（日ごとの値）
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南鳥島 2003年11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 | 1016.0 | 8 | 26.5 | 68 | 9.1 | 70 |
| 2 | 1016.9 | 8 | 26.8 | 70 | 9.5 | 80 |
| 3 | 1017.0 | 8 | 26.1 | 75 | 9.3 | 80 |
| 4 | 1017.8 | 8 | 26.4 | 65 | 7.3 | 90 |
| 5 | 1017.7 | 8 | 26.0 | 75 | 7.4 | 70 |
| 6 | 1015.9 | 8 | 26.6 | 69 | 8.9 | 100 |
| 7 | 1016.5 | 8 | 26.6 | 70 | 6.6 | 70 |
| 8 | 1015.8 | 8 | 25.9 | 81 | 7.8 | 70 |
| 9 | 1016.3 | 8 | 26.7 | 62 | 8.8 | 80 |
| 10 | 1016.9 | 8 | 26.6 | 69 | 9.4 | 90 |
| 11 | 1016.5 | 8 | 26.6 | 76 | 11.5 | 110 |
| 12 | 1016.8 | 8 | 26.5 | 80 | 6.2 | 100 |
| 13 | 1016.1 | 8 | 25.8 | 75 | 4.2 | 140 |
| 14 | 1016.5 | 8 | 24.8 | 81 | 7.9 | 20 |
| 15 | 1019.1 | 8 | 24.9 | 58 | 12.8 | 60 |
| 16 | 1018.7 | 8 | 25.2 | 60 | 9.0 | 80 |
| 17 | 1015.6 | 8 | 25.6 | 79 | 6.4 | 120 |
| 18 | 1014.0 | 8 | 22.2 | 89 | 10.7 | 40 |
| 19 | 1014.7 | 8 | 23.9 | 56 | 8.4 | 60 |
| 20 | 1017.6 | 8 | 24.8 | 63 | 11.7 | 80 |
| 21 | 1018.6 | 8 | 25.5 | 70 | 9.3 | 90 |
| 22 | 1019.9 | 8 | 25.2 | 67 | 9.6 | 80 |
| 23 | 1018.1 | 8 | 24.6 | 62 | 9.9 | 70 |
| 24 | 1016.3 | 8 | 24.6 | 65 | 12.3 | 50 |
| 25 | 1012.4 | 8 | 24.7 | 88 | 10.5 | 60 |
| 26 | 1010.3 | 8 | 25.2 | 80 | 9.0 | 50 |
| 27 | 1010.7 | 8 | 25.1 | 79 | 7.8 | 30 |
| 28 | 1011.8 | 8 | 25.1 | 79 | 8.2 | 50 |
| 29 | 1013.7 | 8 | 25.3 | 81 | 9.9 | 50 |
| 30 | 1014.9 | 8 | 24.8 | 73 | 8.9 | 60 |