指定気圧面の観測データ（日ごとの値）
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昭和 1981年8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 | 1002.7 | 21 | -9.0 | 87 | 5.7 | 40 |
| 2 | /// | /// | /// | /// | /// | /// |
| 3 | 992.7 | 21 | -9.2 | 85 | 13.7 | 40 |
| 4 | 972.0 | 21 | -6.1 | 92 | 26.6 | 70 |
| 5 | 1001.0 | 21 | -17.4 | 72 | 1.2 | 70 |
| 6 | 989.8 | 21 | -15.8 | 74 | 12.6 | 20 |
| 7 | 990.6 | 21 | -7.8 | 90 | 27.2 | 50 |
| 8 | 998.4 | 21 | -10.5 | 85 | 1.7 | 160 |
| 9 | /// | /// | /// | /// | /// | /// |
| 10 | 996.6 | 21 | -11.7 | 86 | 4.9 | 30 |
| 11 | 1004.4 | 21 | -18.6 | 73 | 2.6 | 30 |
| 12 | 1003.9 | 21 | -28.8 | 60 | 3.8 | 230 |
| 13 | 1000.7 | 21 | -16.6 | 52 | 2.7 | 140 |
| 14 | 1005.7 | 21 | -11.9 | 62 | 3.0 | 150 |
| 15 | 997.6 | 21 | -14.2 | 55 | 3.9 | 140 |
| 16 | /// | /// | /// | /// | /// | /// |
| 17 | 1003.4 | 21 | -11.8 | 45 | 1.6 | 40 |
| 18 | 1002.2 | 21 | -17.9 | 60 | 5.3 | 170 |
| 19 | 993.7 | 21 | -21.4 | 54 | 1.5 | 220 |
| 20 | 994.9 | 21 | -27.9 | 61 | 0.0 | - |
| 21 | 996.4 | 21 | -20.9 | 53 | 0.1 | - |
| 22 | 972.5 | 21 | -10.9 | 87 | 21.7 | 60 |
| 23 | 972.9 | 21 | -13.7 | 83 | 17.1 | 50 |
| 24 | 975.7 | 21 | -13.1 | 55 | 5.1 | 70 |
| 25 | 984.5 | 21 | -21.7 | 63 | 2.6 | 250 |
| 26 | 978.5 | 21 | -19.3 | 42 | 0.3 | 110 |
| 27 | 984.9 | 21 | -16.5 | 56 | 2.4 | 140 |
| 28 | 987.7 | 21 | -23.6 | 51 | 3.5 | 190 |
| 29 | 973.9 | 21 | -25.8 | 56 | 1.4 | 230 |
| 30 | /// | /// | /// | /// | /// | /// |
| 31 | 978.4 | 21 | -15.8 | 37 | 1.7 | 50 |