指定気圧面の観測データ（日ごとの値）
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仙台 2005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 | 1016.6 | 44 | 6.3 | 47 | 3.5 | 300 |
| 2 | 1012.4 | 44 | 7.3 | 74 | 0.9 | 150 |
| 3 | 1004.0 | 44 | 7.0 | 60 | 7.0 | 340 |
| 4 | 1009.9 | 44 | 6.5 | 47 | 5.0 | 310 |
| 5 | 1008.7 | 44 | 11.0 | 57 | 2.4 | 200 |
| 6 | 1007.2 | 44 | 19.2 | 10 | 5.2 | 290 |
| 7 | 997.9 | 44 | 12.5 | 56 | 2.2 | 200 |
| 8 | 1009.1 | 44 | 9.3 | 43 | 6.9 | 300 |
| 9 | 1015.4 | 44 | 8.7 | 64 | 4.0 | 180 |
| 10 | 1001.5 | 44 | 10.6 | 76 | 1.3 | 330 |
| 11 | 1013.3 | 44 | 7.7 | 69 | 2.8 | 150 |
| 12 | 1009.1 | 44 | 5.5 | 78 | 1.0 | 340 |
| 13 | 1004.7 | 44 | 9.8 | 47 | 4.8 | 290 |
| 14 | 1014.7 | 44 | 8.8 | 67 | 0.6 | 90 |
| 15 | 1012.1 | 44 | 15.4 | 42 | 5.5 | 270 |
| 16 | 1015.0 | 44 | 8.3 | 73 | 0.7 | 200 |
| 17 | 1018.6 | 44 | 8.3 | 34 | 2.0 | 50 |
| 18 | 1023.5 | 44 | 8.0 | 58 | 2.6 | 170 |
| 19 | 1025.7 | 44 | 7.2 | 77 | 2.6 | 170 |
| 20 | 1007.7 | 44 | 8.7 | 95 | 2.6 | 150 |
| 21 | 1001.7 | 44 | 11.9 | 35 | 1.7 | 120 |
| 22 | 1001.6 | 44 | 8.8 | 65 | 7.2 | 300 |
| 23 | 1013.2 | 44 | 8.0 | 69 | 2.9 | 330 |
| 24 | 1018.6 | 44 | 8.2 | 72 | 3.2 | 160 |
| 25 | 1007.7 | 44 | 12.8 | 87 | 0.6 | 100 |
| 26 | 1002.9 | 44 | 14.1 | 44 | 5.4 | 280 |
| 27 | 1002.7 | 44 | 13.2 | 75 | 0.9 | 40 |
| 28 | 995.4 | 44 | 18.6 | 58 | 1.1 | 110 |
| 29 | 1000.5 | 44 | 15.2 | 30 | 0.6 | 250 |
| 30 | 1007.8 | 44 | 16.9 | 30 | 2.7 | 140 |