指定気圧面の観測データ（日ごとの値）
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昭和 1986年4月9時（現地時間 3時） 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 963.1 | 21 | -4.3 | 63 | 22.5 | 80 |
| 2 | 976.5 | 21 | -4.8 | 63 | 19.3 | 70 |
| 3 | 981.7 | 21 | -8.1 | 50 | 12.8 | 80 |
| 4 | 972.4 | 21 | -7.4 | 63 | 4.2 | 80 |
| 5 | 974.2 | 21 | -7.9 | 62 | 9.6 | 90 |
| 6 | 972.7 | 21 | -12.6 | 75 | 0.0 | - |
| 7 | 971.6 | 21 | -8.4 | 78 | 12.8 | 60 |
| 8 | 978.6 | 21 | -8.4 | 81 | 19.2 | 60 |
| 9 | 985.0 | 21 | -19.6 | 78 | 4.1 | 220 |
| 10 | 983.8 | 21 | -13.7 | 65 | 8.9 | 90 |
| 11 | 986.0 | 21 | -13.5 | 61 | 5.2 | 100 |
| 12 | 982.7 | 21 | -10.1 | 73 | 11.2 | 70 |
| 13 | 985.3 | 21 | -10.9 | 60 | 13.0 | 90 |
| 14 | 978.4 | 21 | -8.3 | 84 | 17.7 | 60 |
| 15 | 981.4 | 21 | -16.6 | 86 | 6.0 | 200 |
| 16 | 978.9 | 21 | -8.2 | 78 | 12.9 | 60 |
| 17 | 974.0 | 21 | -4.3 | 80 | 14.4 | 60 |
| 18 | 957.4 | 21 | -7.1 | 82 | 24.9 | 70 |
| 19 | 970.9 | 21 | -10.6 | 51 | 18.3 | 80 |
| 20 | 978.9 | 21 | -11.9 | 46 | 1.4 | 360 |
| 21 | 981.1 | 21 | -17.1 | 67 | 5.4 | 230 |
| 22 | 986.8 | 21 | -12.7 | 65 | 9.4 | 60 |
| 23 | 985.4 | 21 | -6.4 | 81 | 22.1 | 70 |
| 24 | 988.6 | 21 | -4.2 | 84 | 16.9 | 50 |
| 25 | 993.7 | 21 | -12.9 | 51 | 4.2 | 100 |
| 26 | 987.0 | 21 | -15.4 | 71 | 2.4 | 200 |
| 27 | 979.3 | 21 | -12.3 | 61 | 5.2 | 100 |
| 28 | 973.1 | 21 | -6.0 | 77 | 18.2 | 70 |
| 29 | 988.3 | 21 | -8.1 | 69 | 7.9 | 50 |
| 30 | 960.9 | 21 | -4.0 | 87 | 31.2 | 60 |