指定気圧面の観測データ（日ごとの値）
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仙台 1997年3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 | 1007.6 | 43 | 4.0 | 34 | 2.3 | 20 |
| 2 | 1009.9 | 43 | 5.4 | 58 | 7.4 | 240 |
| 3 | 1016.0 | 43 | -1.6 | 65 | 4.0 | 360 |
| 4 | 1013.0 | 43 | 4.8 | 41 | 5.5 | 290 |
| 5 | 1017.9 | 43 | 6.7 | 49 | 2.2 | 320 |
| 6 | 1014.0 | 43 | 9.5 | 81 | 4.4 | 180 |
| 7 | 1007.8 | 43 | 8.0 | 55 | 7.6 | 280 |
| 8 | 1009.3 | 43 | 5.4 | 46 | 5.6 | 280 |
| 9 | 1013.0 | 43 | 3.0 | 39 | 14.1 | 290 |
| 10 | 1012.3 | 43 | 6.2 | 66 | 2.5 | 350 |
| 11 | 1011.7 | 43 | 2.5 | 72 | 8.4 | 310 |
| 12 | 1018.4 | 43 | 2.8 | 54 | 0.8 | 150 |
| 13 | 1014.9 | 43 | 5.5 | 78 | 3.2 | 340 |
| 14 | 1013.6 | 43 | 6.7 | 81 | 3.9 | 150 |
| 15 | 1017.1 | 43 | 4.6 | 78 | 3.1 | 80 |
| 16 | 1016.9 | 43 | 2.2 | 88 | 1.0 | 340 |
| 17 | 1020.2 | 43 | 2.4 | 62 | 1.1 | 330 |
| 18 | 1016.5 | 43 | 4.7 | 72 | 0.5 | 40 |
| 19 | 1011.6 | 43 | 4.5 | 67 | 1.4 | 210 |
| 20 | 1015.1 | 43 | 5.9 | 46 | 3.4 | 350 |
| 21 | 1008.6 | 43 | 9.0 | 69 | 3.3 | 310 |
| 22 | 1005.1 | 43 | 5.5 | 88 | 2.1 | 190 |
| 23 | 1006.0 | 43 | 4.2 | 71 | 1.1 | 260 |
| 24 | 1014.2 | 43 | 2.7 | 49 | 3.9 | 270 |
| 25 | 1010.6 | 43 | 11.0 | 43 | 3.9 | 240 |
| 26 | 1020.0 | 43 | 5.8 | 67 | 1.9 | 160 |
| 27 | 1011.3 | 43 | 8.8 | 60 | 4.2 | 310 |
| 28 | 1014.9 | 43 | 9.1 | 75 | 0.6 | 240 |
| 29 | 1006.7 | 43 | 10.9 | 95 | 3.8 | 170 |
| 30 | 1007.1 | 43 | 6.3 | 52 | 7.0 | 280 |
| 31 | 1014.8 | 43 | 5.8 | 61 | 3.4 | 220 |