指定気圧面の観測データ（日ごとの値）
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館野 1997年12月9時 地上
| 日 | 気圧(hPa) | 高度(m) | 気温(℃) | 相対湿度(%) | 風速(m/s) | 風向(°) |
|---|---|---|---|---|---|---|
| 1 | 1021.3 | 31 | 8.7 | 70 | 1.2 | 350 |
| 2 | 1006.1 | 31 | 8.5 | 95 | 1.1 | 60 |
| 3 | 1017.6 | 31 | 3.4 | 59 | 3.1 | 300 |
| 4 | 1028.5 | 31 | 3.1 | 56 | 1.9 | 330 |
| 5 | 1031.0 | 31 | 2.3 | 74 | 2.4 | 300 |
| 6 | 1030.6 | 31 | 5.8 | 76 | 1.8 | 310 |
| 7 | 1017.7 | 31 | 9.2 | 84 | 0.9 | 290 |
| 8 | 1008.4 | 31 | 13.1 | 97 | 2.3 | 50 |
| 9 | 1005.4 | 31 | 13.5 | 97 | 1.4 | 330 |
| 10 | 1007.3 | 31 | 8.1 | 90 | 0.7 | 350 |
| 11 | 1016.5 | 31 | 2.7 | 64 | 0.3 | 310 |
| 12 | 1012.5 | 31 | 6.2 | 56 | 1.5 | 300 |
| 13 | 1016.3 | 31 | 4.1 | 70 | 0.3 | 50 |
| 14 | 1021.5 | 31 | 2.8 | 67 | 1.5 | 310 |
| 15 | 1014.0 | 31 | 2.3 | 79 | 1.6 | 280 |
| 16 | 1016.7 | 31 | 2.7 | 81 | 0.8 | 330 |
| 17 | 1017.4 | 31 | 2.3 | 84 | 1.8 | 330 |
| 18 | 1005.0 | 31 | 6.5 | 100 | 1.8 | 300 |
| 19 | 1016.7 | 31 | 3.4 | 100 | 1.3 | 270 |
| 20 | 1014.9 | 31 | 5.7 | 88 | 2.4 | 320 |
| 21 | 1016.3 | 31 | 5.7 | 86 | 0.9 | 340 |
| 22 | 1025.9 | 31 | 3.3 | 55 | 1.1 | 70 |
| 23 | 1020.6 | 31 | 2.2 | 77 | 1.7 | 300 |
| 24 | 1020.8 | 31 | 3.0 | 71 | 1.6 | 320 |
| 25 | 1025.1 | 31 | 4.3 | 60 | 3.0 | 30 |
| 26 | 1027.1 | 31 | 1.7 | 76 | 1.6 | 310 |
| 27 | 1018.5 | 31 | 6.3 | 78 | 1.7 | 320 |
| 28 | 1014.9 | 31 | 5.5 | 89 | 1.3 | 270 |
| 29 | 1022.8 | 31 | 3.9 | 57 | 2.2 | 60 |
| 30 | 1012.5 | 31 | 2.9 | 97 | 1.5 | 260 |
| 31 | 1008.8 | 31 | 6.9 | 61 | 2.2 | 290 |