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） 200hPa
| 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 | 11095 | -53.7 | /// | 4.8 | 278 |
| 2 | 10992 | -51.0 | /// | 5.5 | 263 |
| 3 | 10955 | -51.6 | /// | 9.8 | 264 |
| 4 | 10930 | -53.7 | /// | 10.1 | 268 |
| 5 | 10953 | -56.5 | /// | 8.7 | 270 |
| 6 | 10974 | -53.4 | /// | 13.2 | 251 |
| 7 | 10998 | -50.8 | /// | 15.9 | 254 |
| 8 | 11104 | -54.2 | /// | 30.0 | 219 |
| 9 | 11046 | -49.5 | /// | 15.0 | 277 |
| 10 | 10935 | -49.9 | /// | 7.7 | 248 |
| 11 | 10855 | -53.0 | /// | 12.7 | 237 |
| 12 | 10832 | -52.5 | /// | 13.8 | 246 |
| 13 | 10874 | -52.4 | /// | 12.0 | 281 |
| 14 | 10917 | -52.9 | /// | 15.7 | 291 |
| 15 | 10860 | -54.2 | /// | 10.6 | 292 |
| 16 | 10809 | -51.7 | /// | 14.1 | 286 |
| 17 | 10764 | -53.0 | /// | 14.8 | 267 |
| 18 | 10797 | -53.8 | /// | 14.0 | 254 |
| 19 | 10779 | -51.3 | /// | 13.8 | 254 |
| 20 | 10769 | -52.6 | /// | 11.0 | 267 |
| 21 | 10826 | -54.5 | /// | 13.0 | 273 |
| 22 | 10868 | -51.0 | /// | 16.2 | 261 |
| 23 | 10917 | -49.2 | /// | 18.5 | 279 |
| 24 | 10941 | -50.3 | /// | 12.9 | 241 |
| 25 | 11059 | -54.0 | /// | 28.1 | 214 |
| 26 | 11247 | -58.3 | /// | 41.0 | 253 |
| 27 | 11174 | -49.3 | /// | 19.8 | 271 |
| 28 | 11093 | -51.8 | /// | 26.8 | 280 |
| 29 | 10943 | -53.3 | /// | 16.4 | 304 |
| 30 | 10899 | -53.2 | /// | 14.0 | 290 |