指定気圧面の観測データ（日ごとの値）
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鹿児島 1998年5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 | 1012.8 | 31 | 23.3 | 84 | 5.1 | 150 |
| 2 | 1005.8 | 31 | 25.5 | 83 | 5.9 | 220 |
| 3 | 1010.9 | 31 | 20.3 | 79 | 1.2 | 250 |
| 4 | 1013.4 | 31 | 23.1 | 76 | 2.5 | 210 |
| 5 | 1015.5 | 31 | 21.6 | 90 | 2.7 | 40 |
| 6 | 1016.5 | 31 | 24.1 | 89 | 1.8 | 160 |
| 7 | 1014.8 | 31 | 22.3 | 93 | 0.2 | - |
| 8 | 1011.3 | 31 | 23.2 | 85 | 2.1 | 320 |
| 9 | 1011.6 | 31 | 23.5 | 79 | 2.0 | 320 |
| 10 | 1012.2 | 31 | 22.6 | 67 | 4.0 | 30 |
| 11 | 1010.5 | 31 | 24.3 | 86 | 5.6 | 160 |
| 12 | 1011.3 | 31 | 20.3 | 92 | 1.8 | 340 |
| 13 | 1011.5 | 31 | 16.1 | 93 | 1.9 | 340 |
| 14 | 1009.1 | 31 | 19.2 | 71 | 2.8 | 30 |
| 15 | 1008.7 | 31 | 20.5 | 88 | 2.9 | 50 |
| 16 | 1008.7 | 31 | 23.3 | 84 | 1.9 | 280 |
| 17 | 1013.9 | 31 | 19.3 | 92 | 2.9 | 350 |
| 18 | 1009.1 | 31 | 22.1 | 85 | 0.3 | 240 |
| 19 | 1010.3 | 31 | 22.8 | 73 | 1.1 | 300 |
| 20 | 1012.4 | 31 | 24.1 | 45 | 2.6 | 330 |
| 21 | 1012.8 | 31 | 24.1 | 56 | 4.3 | 60 |
| 22 | 1011.4 | 31 | 24.4 | 60 | 4.5 | 50 |
| 23 | 1007.0 | 31 | 23.1 | 84 | 7.3 | 40 |
| 24 | 999.0 | 31 | 25.7 | 69 | 2.3 | 280 |
| 25 | 1002.8 | 31 | 22.0 | 77 | 3.4 | 280 |
| 26 | 1006.6 | 31 | 21.4 | 67 | 3.1 | 300 |
| 27 | 1010.9 | 31 | 23.8 | 67 | 0.8 | 110 |
| 28 | 1007.7 | 31 | 21.9 | 94 | 4.7 | 40 |
| 29 | 1001.7 | 31 | 24.2 | 84 | 1.0 | 360 |
| 30 | 1005.9 | 31 | 23.1 | 67 | 3.9 | 300 |
| 31 | 1009.3 | 31 | 22.5 | 53 | 1.2 | 280 |