指定気圧面の観測データ（日ごとの値）
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八丈島 1996年2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 | 996.5 | 153 | 6.9 | 55 | 6.0 | 230 |
| 2 | 988.0 | 153 | 4.2 | 54 | 4.0 | 260 |
| 3 | 998.0 | 153 | 4.3 | 58 | 4.0 | 270 |
| 4 | 1001.3 | 153 | 6.6 | 56 | 3.0 | 280 |
| 5 | 997.8 | 153 | 8.7 | 81 | 0.0 | - |
| 6 | 994.6 | 153 | 4.1 | 57 | 5.0 | 280 |
| 7 | 1005.5 | 153 | 5.5 | 60 | 2.0 | 310 |
| 8 | 1005.8 | 153 | 9.0 | 64 | 3.0 | 260 |
| 9 | 993.4 | 153 | 12.3 | 89 | 3.0 | 230 |
| 10 | 993.1 | 153 | 2.6 | 83 | 4.0 | 340 |
| 11 | 1003.2 | 153 | 4.6 | 61 | 2.0 | 270 |
| 12 | 997.6 | 153 | 11.9 | 80 | 4.0 | 230 |
| 13 | 993.4 | 153 | 13.8 | 72 | 2.0 | 210 |
| 14 | 991.1 | 153 | 14.0 | 83 | 2.0 | 220 |
| 15 | 985.9 | 153 | 14.3 | 94 | 3.0 | 300 |
| 16 | 994.9 | 153 | 12.5 | 77 | 3.0 | 50 |
| 17 | 1000.9 | 153 | 10.0 | 83 | 4.0 | 40 |
| 18 | 998.9 | 153 | 8.4 | 95 | 8.0 | 20 |
| 19 | 1006.9 | 153 | 7.9 | 75 | 5.0 | 50 |
| 20 | 1008.8 | 153 | 6.4 | 84 | 1.0 | 360 |
| 21 | 1001.6 | 153 | 4.9 | 87 | 3.0 | 10 |
| 22 | 1003.7 | 153 | 4.6 | 87 | 2.0 | 40 |
| 23 | 1004.4 | 153 | 7.1 | 57 | 2.0 | 290 |
| 24 | 1005.1 | 153 | 8.2 | 64 | 4.0 | 310 |
| 25 | 1006.2 | 153 | 9.5 | 84 | 3.0 | 50 |
| 26 | 996.8 | 153 | 10.9 | 76 | 4.0 | 280 |
| 27 | 995.8 | 153 | 10.4 | 95 | 1.0 | 240 |
| 28 | 1001.7 | 153 | 8.6 | 54 | 5.0 | 280 |
| 29 | 1005.9 | 153 | 11.6 | 59 | 2.0 | 220 |