指定気圧面の観測データ（日ごとの値）
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南鳥島 1996年3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 | 1015.0 | 9 | 20.5 | 75 | 6.7 | 100 |
| 2 | 1011.3 | 9 | 22.0 | 90 | 3.8 | 260 |
| 3 | 1014.6 | 9 | 20.6 | 80 | 2.1 | 50 |
| 4 | 1013.2 | 9 | 18.3 | 94 | 6.5 | 70 |
| 5 | 1011.1 | 9 | 20.6 | 70 | 4.0 | 300 |
| 6 | 1014.5 | 9 | 19.3 | 65 | 3.7 | 350 |
| 7 | 1017.7 | 9 | 17.7 | 65 | 6.0 | 20 |
| 8 | 1016.2 | 9 | 15.7 | 65 | 1.1 | 240 |
| 9 | 1009.1 | 9 | 21.5 | 66 | 6.0 | 240 |
| 10 | 1008.5 | 9 | 21.8 | 77 | 7.0 | 300 |
| 11 | 1015.4 | 9 | 19.6 | 68 | 2.9 | 310 |
| 12 | 1015.5 | 9 | 22.0 | 79 | 6.5 | 310 |
| 13 | 1019.6 | 9 | 18.3 | 63 | 4.3 | 10 |
| 14 | 1020.7 | 9 | 17.4 | 60 | 1.7 | 20 |
| 15 | 1019.6 | 9 | 19.7 | 64 | 4.2 | 110 |
| 16 | 1018.1 | 9 | 22.0 | 78 | 3.9 | 250 |
| 17 | 1016.7 | 9 | 21.7 | 84 | 2.4 | 150 |
| 18 | 1016.6 | 9 | 21.9 | 87 | 2.3 | 260 |
| 19 | 1018.9 | 9 | 22.9 | 83 | 3.2 | 140 |
| 20 | 1020.0 | 9 | 23.3 | 89 | 6.9 | 90 |
| 21 | 1020.5 | 9 | 23.0 | 88 | 7.9 | 100 |
| 22 | 1019.6 | 9 | 23.4 | 84 | 4.7 | 110 |
| 23 | 1017.5 | 9 | 22.7 | 83 | 3.6 | 110 |
| 24 | 1016.5 | 9 | 23.0 | 78 | 2.6 | 60 |
| 25 | 1017.3 | 9 | 22.8 | 81 | 7.3 | 100 |
| 26 | 1017.4 | 9 | 23.3 | 86 | 5.7 | 80 |
| 27 | 1018.1 | 9 | 23.3 | 81 | 6.5 | 70 |
| 28 | 1016.0 | 9 | 23.3 | 86 | 4.0 | 70 |
| 29 | 1016.1 | 9 | 20.8 | 85 | 7.8 | 10 |
| 30 | 1018.2 | 9 | 20.7 | 67 | 10.9 | 80 |
| 31 | 1014.5 | 9 | 23.0 | 79 | 6.2 | 120 |