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6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 | 992.2 | 153 | 22.0 | 79 | 3.0 | 220 |
| 2 | 999.3 | 153 | 20.5 | 74 | 3.0 | 60 |
| 3 | 995.6 | 153 | 21.4 | 83 | 3.0 | 190 |
| 4 | 987.4 | 153 | 20.8 | 95 | 5.0 | 230 |
| 5 | 987.7 | 153 | 21.0 | 91 | 0.0 | - |
| 6 | 998.4 | 153 | 20.7 | 65 | 6.0 | 40 |
| 7 | 1004.4 | 153 | 20.4 | 61 | 4.0 | 70 |
| 8 | 1002.5 | 153 | 19.1 | 70 | 2.0 | 60 |
| 9 | 1000.1 | 153 | 20.4 | 73 | 2.0 | 230 |
| 10 | 998.8 | 153 | 20.4 | 71 | 2.0 | 220 |
| 11 | 991.8 | 153 | 22.0 | 97 | 4.0 | 230 |
| 12 | 991.3 | 153 | 23.2 | 85 | 3.0 | 230 |
| 13 | 995.6 | 153 | 21.6 | 94 | 1.0 | 10 |
| 14 | 997.2 | 153 | 22.3 | 97 | 4.0 | 220 |
| 15 | 994.6 | 153 | 22.2 | 97 | 4.0 | 230 |
| 16 | 994.4 | 153 | 22.5 | 97 | 3.0 | 250 |
| 17 | 992.3 | 153 | 23.3 | 89 | 4.0 | 220 |
| 18 | 985.5 | 153 | 22.6 | 97 | 6.0 | 210 |
| 19 | 982.5 | 153 | 23.3 | 57 | 7.0 | 260 |
| 20 | 985.6 | 153 | 20.2 | 95 | 4.0 | 220 |
| 21 | 986.4 | 153 | 23.6 | 97 | 7.0 | 220 |
| 22 | 991.5 | 153 | 23.8 | 98 | 5.0 | 210 |
| 23 | 993.9 | 153 | 22.8 | 96 | 3.0 | 40 |
| 24 | 997.4 | 153 | 23.6 | 83 | 2.0 | 40 |
| 25 | 993.9 | 153 | 23.9 | 96 | 6.0 | 230 |
| 26 | 991.9 | 153 | 24.5 | 94 | 7.0 | 220 |
| 27 | 996.2 | 153 | 21.7 | 76 | 4.0 | 50 |
| 28 | 995.7 | 153 | 23.4 | 82 | 3.0 | 230 |
| 29 | 989.0 | 153 | 25.7 | 88 | 3.0 | 260 |
| 30 | 989.9 | 153 | 25.3 | 94 | 5.0 | 210 |