指定気圧面の観測データ（日ごとの値）
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昭和 1993年4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 | 990.3 | 21 | -1.3 | 99 | 6.7 | 30 |
| 2 | 988.0 | 21 | -10.1 | 81 | 5.1 | 210 |
| 3 | 979.6 | 21 | -14.7 | 76 | 3.4 | 170 |
| 4 | 982.2 | 21 | -11.4 | 86 | 4.5 | 180 |
| 5 | 982.3 | 21 | -8.3 | 77 | 2.7 | 60 |
| 6 | 987.2 | 21 | -14.7 | 74 | 5.5 | 170 |
| 7 | 986.5 | 21 | -8.7 | 76 | 14.3 | 70 |
| 8 | 973.5 | 21 | -6.6 | 68 | 1.2 | 10 |
| 9 | 984.2 | 21 | -6.3 | 67 | 1.4 | 350 |
| 10 | 984.4 | 21 | -7.4 | 71 | 4.5 | 40 |
| 11 | 983.2 | 21 | -7.9 | 82 | 13.0 | 60 |
| 12 | 993.0 | 21 | -10.9 | 70 | 1.5 | 150 |
| 13 | 981.2 | 21 | -6.2 | 93 | 22.2 | 50 |
| 14 | 984.5 | 21 | -5.1 | 94 | 3.2 | 300 |
| 15 | 987.8 | 21 | -7.3 | 76 | 9.7 | 60 |
| 16 | 985.5 | 21 | -10.3 | 79 | 3.5 | 260 |
| 17 | 974.0 | 21 | -7.7 | 71 | 1.0 | 330 |
| 18 | 991.2 | 21 | -13.5 | 77 | 3.3 | 20 |
| 19 | 981.0 | 21 | -12.2 | 86 | 1.4 | 220 |
| 20 | 965.2 | 21 | -19.3 | 68 | 4.6 | 190 |
| 21 | 975.4 | 21 | -14.3 | 64 | 8.1 | 60 |
| 22 | 979.8 | 21 | -13.2 | 61 | 0.1 | - |
| 23 | 997.6 | 21 | -10.9 | 94 | 20.9 | 50 |
| 24 | 982.9 | 21 | -11.3 | 78 | 2.9 | 170 |
| 25 | 978.5 | 21 | -17.6 | 75 | 13.8 | 80 |
| 26 | 986.2 | 21 | -23.4 | 52 | 2.9 | 260 |
| 27 | 998.0 | 21 | -20.0 | 44 | 4.0 | 20 |
| 28 | 992.3 | 21 | -19.5 | 45 | 0.0 | - |
| 29 | 988.1 | 21 | -20.9 | 38 | 5.7 | 130 |
| 30 | 993.1 | 21 | -21.1 | 39 | 2.6 | 170 |