指定気圧面の観測データ（日ごとの値）
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南鳥島 2005年7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 | 1012.8 | 9 | 32.1 | 63 | 5.5 | 240 |
| 2 | 1014.0 | 9 | 26.0 | 87 | 3.3 | 240 |
| 3 | 1014.2 | 9 | 31.4 | 60 | 4.2 | 190 |
| 4 | 1013.3 | 9 | 31.2 | 66 | 5.0 | 120 |
| 5 | 1013.0 | 9 | 31.6 | 61 | 2.7 | 140 |
| 6 | 1014.2 | 9 | 31.4 | 59 | 3.2 | 190 |
| 7 | 1015.5 | 9 | 31.3 | 60 | 3.0 | 140 |
| 8 | 1016.0 | 9 | 30.8 | 64 | 4.8 | 80 |
| 9 | 1015.7 | 9 | 29.6 | 70 | 4.5 | 60 |
| 10 | 1014.3 | 9 | 27.8 | 78 | 9.5 | 70 |
| 11 | 1011.8 | 9 | 28.3 | 81 | 5.5 | 150 |
| 12 | 1011.8 | 9 | 29.3 | 72 | 6.8 | 170 |
| 13 | 1013.0 | 9 | 28.5 | 77 | 6.0 | 160 |
| 14 | 1014.4 | 9 | 29.8 | 70 | 10.4 | 110 |
| 15 | 1015.9 | 9 | 30.2 | 71 | 7.7 | 100 |
| 16 | 1015.6 | 9 | 29.5 | 70 | 7.3 | 80 |
| 17 | 1014.0 | 9 | 30.1 | 64 | 4.8 | 60 |
| 18 | 1013.0 | 9 | 29.8 | 66 | 3.7 | 60 |
| 19 | 1012.2 | 9 | 29.8 | 65 | 3.8 | 80 |
| 20 | 1011.1 | 9 | 29.3 | 67 | 4.1 | 90 |
| 21 | 1010.1 | 9 | 29.2 | 66 | 2.9 | 350 |
| 22 | 1010.1 | 9 | 30.3 | 66 | 2.8 | 210 |
| 23 | 1011.3 | 9 | 28.1 | 77 | 3.8 | 290 |
| 24 | 1013.3 | 9 | 29.5 | 75 | 2.4 | 130 |
| 25 | 1015.1 | 9 | 31.7 | 66 | 5.1 | 150 |
| 26 | 1015.3 | 9 | 31.4 | 68 | 5.6 | 110 |
| 27 | 1013.9 | 9 | 31.5 | 67 | 3.9 | 120 |
| 28 | 1012.9 | 9 | 28.9 | 69 | 2.4 | 110 |
| 29 | 1011.2 | 9 | 28.7 | 73 | 3.3 | 210 |
| 30 | 1010.9 | 9 | 27.2 | 80 | 3.7 | 240 |
| 31 | 1011.0 | 9 | 29.2 | 73 | 1.9 | 280 |