指定気圧面の観測データ（日ごとの値）
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昭和 1984年3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 | 974.3 | 21 | -0.5 | 89 | 11.5 | 40 |
| 2 | 991.6 | 21 | -3.8 | 85 | 6.5 | 20 |
| 3 | 983.4 | 21 | -11.1 | 80 | 4.0 | 270 |
| 4 | 978.1 | 21 | -10.4 | 80 | 5.9 | 240 |
| 5 | 987.3 | 21 | -3.8 | 82 | 11.3 | 40 |
| 6 | 991.0 | 21 | -9.3 | 68 | 6.1 | 320 |
| 7 | 999.6 | 21 | -12.6 | 73 | 5.4 | 200 |
| 8 | 993.3 | 21 | -7.3 | 80 | 4.4 | 30 |
| 9 | 985.8 | 21 | -3.5 | 57 | 5.3 | 30 |
| 10 | 986.3 | 21 | -3.9 | 56 | 4.3 | 40 |
| 11 | 976.7 | 21 | -8.9 | 60 | 2.1 | 10 |
| 12 | 990.0 | 21 | -5.8 | 58 | 8.9 | 40 |
| 13 | /// | /// | /// | /// | /// | /// |
| 14 | 966.1 | 21 | -1.4 | 74 | 1.9 | 340 |
| 15 | 970.2 | 21 | -1.4 | 65 | 18.9 | 70 |
| 16 | 973.6 | 21 | -1.7 | 68 | 14.6 | 50 |
| 17 | 977.7 | 21 | -3.2 | 86 | 14.3 | 40 |
| 18 | 977.2 | 21 | -5.0 | 74 | 1.5 | 160 |
| 19 | 979.6 | 21 | -4.6 | 72 | 2.0 | 180 |
| 20 | 985.7 | 21 | -8.6 | 70 | 0.0 | - |
| 21 | 983.2 | 21 | -8.8 | 81 | 7.7 | 40 |
| 22 | 984.5 | 21 | -8.9 | 70 | 3.3 | 20 |
| 23 | 974.1 | 21 | -7.2 | 90 | 22.4 | 40 |
| 24 | 985.0 | 21 | -2.1 | 89 | 15.6 | 40 |
| 25 | /// | /// | /// | /// | /// | /// |
| 26 | 993.9 | 21 | -1.5 | 88 | 7.2 | 30 |
| 27 | 954.7 | 21 | -2.7 | 68 | 20.3 | 80 |
| 28 | 964.7 | 21 | -4.0 | 53 | 12.6 | 50 |
| 29 | 972.8 | 21 | -4.3 | 77 | 15.6 | 40 |
| 30 | 978.9 | 21 | -4.6 | 75 | 12.5 | 40 |
| 31 | 977.4 | 21 | -5.8 | 65 | 5.9 | 50 |