指定気圧面の観測データ（日ごとの値）
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昭和 1990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 | 995.0 | 21 | -6.0 | 93 | 20.7 | 40 |
| 2 | 1000.0 | 21 | -5.6 | 93 | 19.4 | 60 |
| 3 | 984.3 | 21 | -12.7 | 78 | 9.3 | 120 |
| 4 | 986.0 | 21 | -22.0 | 51 | 4.5 | 120 |
| 5 | 995.2 | 21 | -24.7 | 41 | 1.5 | 100 |
| 6 | 998.3 | 21 | -12.0 | 85 | 3.0 | 210 |
| 7 | 992.8 | 21 | -12.0 | 36 | 5.7 | 60 |
| 8 | 985.7 | 21 | -12.0 | 53 | 12.2 | 90 |
| 9 | 985.1 | 21 | -12.8 | 53 | 11.6 | 70 |
| 10 | 984.6 | 21 | -10.2 | 59 | 12.4 | 80 |
| 11 | 992.1 | 21 | -15.4 | 41 | 3.3 | 30 |
| 12 | 991.0 | 21 | -21.1 | 38 | 6.4 | 80 |
| 13 | 984.6 | 21 | -25.4 | 39 | 10.0 | 70 |
| 14 | 988.1 | 21 | -25.3 | 40 | 2.4 | 120 |
| 15 | 997.8 | 21 | -16.0 | 50 | 11.7 | 70 |
| 16 | 998.2 | 21 | -19.8 | 44 | 5.1 | 140 |
| 17 | 986.6 | 21 | -26.9 | 57 | 0.4 | 60 |
| 18 | 983.7 | 21 | -22.6 | 41 | 4.3 | 150 |
| 19 | 987.4 | 21 | -13.6 | 65 | 13.0 | 80 |
| 20 | 995.5 | 21 | -11.0 | 88 | 1.3 | 190 |
| 21 | /// | /// | /// | /// | /// | /// |
| 22 | 990.7 | 21 | -20.8 | 56 | 13.2 | 80 |
| 23 | 987.1 | 21 | -19.9 | 55 | 10.9 | 90 |
| 24 | 988.3 | 21 | -13.7 | 58 | 3.8 | 10 |
| 25 | 991.7 | 21 | -16.0 | 49 | 9.9 | 60 |
| 26 | 992.7 | 21 | -13.7 | 72 | 1.5 | 170 |
| 27 | 992.8 | 21 | -13.2 | 71 | 2.6 | 10 |
| 28 | 983.5 | 21 | -26.4 | 62 | 4.5 | 180 |
| 29 | 987.1 | 21 | -16.9 | 38 | 1.9 | 80 |
| 30 | 992.6 | 21 | -18.7 | 48 | 3.0 | 10 |