指定気圧面の観測データ（日ごとの値）
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昭和 1975年6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 | 1003.2 | 21 | -22.1 | 54 | 5.6 | 70 |
| 2 | 998.1 | 21 | -16.8 | 69 | 2.1 | 160 |
| 3 | 989.0 | 21 | -14.1 | 56 | 3.8 | 30 |
| 4 | 982.4 | 21 | -13.6 | 74 | 8.0 | 50 |
| 5 | 978.2 | 21 | -18.1 | 50 | 5.3 | 50 |
| 6 | 980.6 | 21 | -25.7 | 60 | 0.5 | 150 |
| 7 | 985.6 | 21 | -32.6 | 66 | 0.1 | /// |
| 8 | 990.5 | 21 | -32.5 | 65 | 4.2 | 170 |
| 9 | 992.6 | 21 | -20.1 | 45 | 0.4 | 120 |
| 10 | 992.7 | 21 | -16.8 | 55 | 13.1 | 60 |
| 11 | 973.9 | 21 | -13.1 | 68 | 19.6 | 60 |
| 12 | /// | /// | /// | /// | /// | /// |
| 13 | 980.3 | 21 | -11.1 | 79 | 22.9 | 40 |
| 14 | 988.1 | 21 | -12.7 | 50 | 5.3 | 60 |
| 15 | 996.8 | 21 | -16.2 | 38 | 5.3 | 70 |
| 16 | 980.6 | 21 | -18.8 | 48 | 0.1 | /// |
| 17 | 959.2 | 21 | -7.0 | /// | 14.4 | 20 |
| 18 | 986.6 | 21 | -10.7 | /// | 18.0 | 40 |
| 19 | 991.2 | 21 | -11.7 | /// | 2.2 | 60 |
| 20 | 993.0 | 21 | -12.3 | 87 | 13.3 | 30 |
| 21 | 981.0 | 21 | -11.1 | 64 | 11.5 | 50 |
| 22 | /// | /// | /// | /// | /// | /// |
| 23 | 976.2 | 21 | -4.6 | 90 | 18.3 | 20 |
| 24 | 986.3 | 21 | -6.3 | 74 | 10.4 | 50 |
| 25 | 991.5 | 21 | -8.7 | 72 | 14.6 | 90 |
| 26 | 998.7 | 21 | -13.4 | 42 | 0.3 | 110 |
| 27 | 998.5 | 21 | -19.0 | 48 | 0.7 | 360 |
| 28 | 996.6 | 21 | -19.9 | 44 | 0.1 | /// |
| 29 | 1003.8 | 21 | -18.0 | 53 | 0.1 | /// |
| 30 | 1005.9 | 21 | -20.5 | 48 | 1.3 | 180 |