指定気圧面の観測データ（日ごとの値）
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館野 1996年12月21時 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 1003.9 | 31 | 1.3 | 69 | 2.1 | 270 |
| 2 | 1018.4 | 31 | 4.2 | 49 | 3.0 | 320 |
| 3 | 1024.0 | 31 | 0.6 | 84 | 0.3 | 50 |
| 4 | 1018.0 | 31 | 3.4 | 81 | 0.6 | 290 |
| 5 | 991.0 | 31 | 11.1 | 99 | 1.5 | 270 |
| 6 | 1008.2 | 31 | 4.7 | 57 | 2.4 | 50 |
| 7 | 1008.0 | 31 | 5.2 | 61 | 2.2 | 20 |
| 8 | 1016.8 | 31 | 0.9 | 85 | 1.8 | 50 |
| 9 | 1018.1 | 31 | 4.1 | 78 | 1.1 | 70 |
| 10 | 1013.0 | 31 | 5.6 | 84 | 1.4 | 50 |
| 11 | 1012.9 | 31 | 4.7 | 99 | 0.5 | 50 |
| 12 | 1015.3 | 31 | 10.7 | 79 | 2.7 | 30 |
| 13 | 1019.0 | 31 | 8.2 | 67 | 2.6 | 20 |
| 14 | 1017.9 | 31 | 4.8 | 97 | 1.2 | 300 |
| 15 | 1026.4 | 31 | 8.1 | 69 | 2.8 | 40 |
| 16 | 1026.8 | 31 | 6.9 | 96 | 1.5 | 300 |
| 17 | 1010.6 | 31 | 13.1 | 88 | 1.9 | 100 |
| 18 | 1010.6 | 31 | 5.8 | 93 | 2.4 | 10 |
| 19 | 1009.1 | 31 | 5.7 | 88 | 2.3 | 340 |
| 20 | 1020.1 | 31 | 1.1 | 72 | 1.0 | 100 |
| 21 | 1015.2 | 31 | 6.7 | 69 | 2.3 | 50 |
| 22 | 1002.1 | 31 | 5.1 | 67 | 2.4 | 240 |
| 23 | 1011.9 | 31 | 3.3 | 47 | 1.8 | 280 |
| 24 | 1015.3 | 31 | 4.0 | 67 | 2.3 | 310 |
| 25 | 1008.5 | 31 | 2.1 | 87 | 0.9 | 160 |
| 26 | 1016.0 | 31 | 1.6 | 58 | 1.4 | 320 |
| 27 | 1016.1 | 31 | 3.9 | 75 | 1.7 | 30 |
| 28 | 1009.7 | 31 | 6.7 | 34 | 4.7 | 290 |
| 29 | 1014.8 | 31 | -0.1 | 85 | 1.4 | 70 |
| 30 | 1015.5 | 31 | 2.8 | 88 | 1.6 | 90 |
| 31 | 1017.9 | 31 | 4.1 | 96 | 1.5 | 70 |