指定気圧面の観測データ（日ごとの値）
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館野 2012年3月21時 800hPa
| 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 | 1969 | 1.9 | 12 | 5 | 239 |
| 2 | 1915 | -0.3 | 100 | 5 | 136 |
| 3 | 1984 | -7.1 | 97 | 12 | 274 |
| 4 | 2020 | -3.3 | 100 | 12 | 211 |
| 5 | 1915 | 9.2 | 68 | 13 | 262 |
| 6 | 1911 | 8.7 | 35 | 12 | 245 |
| 7 | 1952 | -1.2 | 82 | 2 | 197 |
| 8 | 1953 | -0.9 | 100 | 4 | 238 |
| 9 | 1921 | -1.7 | 100 | 14 | 126 |
| 10 | 1889 | -6.2 | 84 | 8 | 348 |
| 11 | 1830 | -6.4 | 98 | 12 | 232 |
| 12 | 1884 | -9.6 | 42 | 11 | 321 |
| 13 | 1952 | -10.2 | 78 | 3 | 207 |
| 14 | 1964 | -7.8 | 48 | 4 | 259 |
| 15 | 1969 | -7.1 | 18 | 4 | 340 |
| 16 | 2001 | -0.2 | 5 | 8 | 228 |
| 17 | 1924 | 5.3 | 100 | 15 | 240 |
| 18 | 1858 | 0.5 | 99 | 12 | 281 |
| 19 | 1894 | -8.8 | 81 | 6 | 224 |
| 20 | 1871 | -4.5 | 48 | 9 | 282 |
| 21 | 1939 | -5.0 | 17 | 17 | 287 |
| 22 | 1947 | -1.2 | 61 | 10 | 266 |
| 23 | 1859 | 5.6 | 100 | 28 | 200 |
| 24 | 1828 | -2.4 | 40 | 14 | 270 |
| 25 | 1863 | -5.7 | 18 | 12 | 260 |
| 26 | 1918 | -9.1 | 53 | 8 | 284 |
| 27 | 1971 | -4.8 | 49 | 1 | 281 |
| 28 | 1956 | -5.1 | 47 | 7 | 349 |
| 29 | 2040 | 2.3 | 16 | 7 | 271 |
| 30 | 1990 | 5.3 | 32 | 9 | 259 |
| 31 | 1840 | -5.3 | 52 | 21 | 302 |