指定気圧面の観測データ（日ごとの値）
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館野 2021年4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 | 1021.6 | 26 | 13.3 | 71 | 2.5 | 50 |
| 2 | 1025.3 | 26 | 13.9 | 71 | 1.8 | 70 |
| 3 | 1016.5 | 26 | 15.5 | 80 | 2.5 | 160 |
| 4 | 1005.9 | 26 | 16.2 | 98 | 1.8 | 180 |
| 5 | 1015.4 | 26 | 8.7 | 88 | 2.5 | 50 |
| 6 | 1015.1 | 26 | 9.1 | 78 | 2.4 | 40 |
| 7 | 1011.2 | 26 | 12.6 | 69 | 2.3 | 100 |
| 8 | 1009.4 | 26 | 11.3 | 88 | 1.6 | 20 |
| 9 | 1021.1 | 26 | 7.8 | 71 | 2.6 | 50 |
| 10 | 1030.3 | 26 | 6.9 | 73 | 1.3 | 120 |
| 11 | 1031.1 | 26 | 11.3 | 67 | 1.6 | 110 |
| 12 | 1027.3 | 26 | 12.4 | 64 | 2.0 | 140 |
| 13 | 1010.4 | 26 | 16.2 | 93 | 4.1 | 180 |
| 14 | 1006.6 | 26 | 8.9 | 92 | 3.8 | 40 |
| 15 | 1022.5 | 26 | 9.6 | 64 | 1.5 | 120 |
| 16 | 1024.0 | 26 | 13.8 | 70 | 1.5 | 140 |
| 17 | 1006.5 | 26 | 14.0 | 97 | 3.6 | 120 |
| 18 | 998.9 | 26 | 12.2 | 43 | 5.7 | 280 |
| 19 | 1010.6 | 26 | 12.1 | 57 | 2.2 | 170 |
| 20 | 1012.7 | 26 | 14.0 | 69 | 1.6 | 160 |
| 21 | 1016.2 | 26 | 12.2 | 76 | 0.7 | 80 |
| 22 | 1018.4 | 26 | 11.5 | 70 | 2.7 | 70 |
| 23 | 1020.5 | 26 | 8.8 | 77 | 1.1 | 140 |
| 24 | 1015.2 | 26 | 13.7 | 70 | 2.2 | 150 |
| 25 | 1010.0 | 26 | 13.1 | 65 | 2.4 | 30 |
| 26 | 1018.6 | 26 | 9.6 | 52 | 1.9 | 50 |
| 27 | 1019.4 | 26 | 13.7 | 78 | 2.2 | 130 |
| 28 | 1014.4 | 26 | 18.4 | 63 | 2.5 | 180 |
| 29 | 1000.4 | 26 | 16.6 | 94 | 3.8 | 170 |
| 30 | 1000.8 | 26 | 16.9 | 77 | 2.9 | 60 |