指定気圧面の観測データ（日ごとの値）
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昭和 1996年9月21時（現地時間 15時） 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 1005.9 | 21 | -11.6 | 59 | 0.0 | - |
| 2 | 1005.5 | 21 | -17.1 | 59 | 0.1 | - |
| 3 | 1001.3 | 21 | -15.7 | 43 | 2.3 | 160 |
| 4 | 1003.2 | 21 | -15.9 | 48 | 4.6 | 30 |
| 5 | 1005.1 | 21 | -13.3 | 41 | 4.6 | 160 |
| 6 | 1001.8 | 21 | -13.1 | 48 | 5.0 | 160 |
| 7 | 993.0 | 21 | -9.7 | 54 | 9.4 | 70 |
| 8 | 982.5 | 21 | -6.3 | 63 | 12.7 | 60 |
| 9 | 992.1 | 21 | -4.7 | 52 | 9.9 | 70 |
| 10 | 999.4 | 21 | -6.9 | 55 | 5.6 | 90 |
| 11 | 1001.7 | 21 | -10.8 | 43 | 4.3 | 180 |
| 12 | 1000.3 | 21 | -14.0 | 47 | 6.8 | 210 |
| 13 | 998.1 | 21 | -17.4 | 51 | 0.0 | - |
| 14 | 1004.0 | 21 | -12.1 | 46 | 1.9 | 150 |
| 15 | 989.2 | 21 | -9.0 | 87 | 13.6 | 30 |
| 16 | 996.8 | 21 | -11.3 | 81 | 2.8 | 20 |
| 17 | 999.8 | 21 | -14.7 | 50 | 3.0 | 10 |
| 18 | 990.3 | 21 | -14.7 | 53 | 6.0 | 100 |
| 19 | 987.4 | 21 | -7.4 | 92 | 18.3 | 40 |
| 20 | 978.4 | 21 | -5.5 | 94 | 24.3 | 50 |
| 21 | 977.3 | 21 | -5.4 | 84 | 2.1 | 290 |
| 22 | 991.9 | 21 | -8.5 | 86 | 9.3 | 30 |
| 23 | 984.3 | 21 | -11.8 | 81 | 2.0 | 180 |
| 24 | 967.2 | 21 | -13.5 | 83 | 6.9 | 10 |
| 25 | 987.6 | 21 | -14.5 | 66 | 7.4 | 30 |
| 26 | 992.9 | 21 | -15.8 | 59 | 3.3 | 160 |
| 27 | 989.0 | 21 | -21.5 | 59 | 5.4 | 220 |
| 28 | 985.4 | 21 | -14.1 | 77 | 12.4 | 30 |
| 29 | 988.9 | 21 | -7.4 | 87 | 15.9 | 30 |
| 30 | 988.5 | 21 | -3.9 | 87 | 3.2 | 160 |