指定気圧面の観測データ（日ごとの値）
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札幌 2017年4月9時 250hPa
| 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 | 9994 | -51.7 | /// | 31 | 261 |
| 2 | 9954 | -50.1 | /// | 10 | 284 |
| 3 | 9998 | -56.8 | /// | 12 | 248 |
| 4 | 10112 | -58.9 | /// | 37 | 337 |
| 5 | 10257 | -60.4 | /// | 25 | 316 |
| 6 | 10368 | -55.7 | /// | 18 | 262 |
| 7 | 10226 | -55.7 | /// | 31 | 277 |
| 8 | 10332 | -52.4 | /// | 55 | 277 |
| 9 | 10209 | -55.0 | /// | 56 | 244 |
| 10 | 10042 | -52.9 | /// | 44 | 303 |
| 11 | 10319 | -53.0 | /// | 59 | 261 |
| 12 | 9989 | -48.6 | /// | 56 | 241 |
| 13 | 9713 | -45.7 | /// | 34 | 267 |
| 14 | 10014 | -59.5 | /// | 38 | 289 |
| 15 | 10096 | -60.4 | /// | 27 | 274 |
| 16 | 10098 | -58.6 | /// | 36 | 238 |
| 17 | 10088 | -53.2 | /// | 85 | 296 |
| 18 | 10319 | -50.9 | /// | 41 | 212 |
| 19 | 10127 | -54.6 | /// | 17 | 216 |
| 20 | 10182 | -52.5 | /// | 46 | 286 |
| 21 | 10046 | -48.2 | /// | 35 | 260 |
| 22 | 10055 | -46.9 | /// | 27 | 257 |
| 23 | 10073 | -48.6 | /// | 18 | 307 |
| 24 | 10265 | -58.5 | /// | 28 | 293 |
| 25 | 10304 | -61.4 | /// | 24 | 245 |
| 26 | 10156 | -54.0 | /// | 65 | 258 |
| 27 | 9997 | -43.5 | /// | 43 | 247 |
| 28 | 9969 | -49.9 | /// | 28 | 258 |
| 29 | 10024 | -48.6 | /// | 31 | 251 |
| 30 | 10143 | -56.7 | /// | 35 | 272 |