指定気圧面の観測データ（日ごとの値）
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昭和 1988年4月9時（現地時間 3時） 900hPa
| 日 | ジオポテンシャル 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|
| 1 | 795 | -9.8 | 53 | 3.4 | 46 |
| 2 | 727 | -10.5 | 72 | 8.7 | 230 |
| 3 | 727 | -13.3 | 81 | 7.4 | 350 |
| 4 | 655 | -10.3 | 69 | 16.6 | 50 |
| 5 | 717 | -8.1 | 57 | 8.4 | 32 |
| 6 | 766 | -10.5 | 82 | 3.6 | 320 |
| 7 | 778 | -14.3 | 68 | 5.2 | 284 |
| 8 | 743 | -13.6 | 37 | 3.9 | 153 |
| 9 | 686 | -12.0 | 70 | 20.4 | 36 |
| 10 | 677 | -11.9 | 87 | 4.3 | 52 |
| 11 | 633 | -17.1 | 78 | 4.5 | 80 |
| 12 | 685 | -16.0 | 58 | 8.2 | 34 |
| 13 | 683 | -13.6 | 56 | 3.8 | 164 |
| 14 | 667 | -10.9 | 48 | 10.3 | 35 |
| 15 | 610 | -13.1 | 38 | 1.9 | 244 |
| 16 | 620 | -14.8 | 63 | 2.3 | 116 |
| 17 | 634 | -7.8 | 17 | 7.5 | 195 |
| 18 | 738 | -18.4 | 72 | 9.3 | 250 |
| 19 | 698 | -13.5 | 70 | 3.5 | 75 |
| 20 | 621 | -11.1 | 74 | 23.2 | 37 |
| 21 | 655 | -10.6 | 69 | 12.2 | 38 |
| 22 | 692 | -14.6 | 72 | 3.2 | 109 |
| 23 | 716 | -14.8 | 85 | 9.6 | 20 |
| 24 | 824 | -15.5 | 34 | 4.9 | 60 |
| 25 | 733 | -18.9 | 44 | 5.9 | 164 |
| 26 | 879 | -10.3 | 20 | 3.9 | 51 |
| 27 | 820 | -11.6 | 83 | 2.8 | 53 |
| 28 | 737 | -10.2 | 79 | 4.5 | 322 |
| 29 | 683 | -10.0 | 76 | 16.8 | 42 |
| 30 | 719 | -11.3 | 82 | 21.2 | 29 |