指定気圧面の観測データ（日ごとの値）
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潮岬 1999年1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 | 1010.1 | 69 | 6.7 | 48 | 4.4 | 360 |
| 2 | 1003.7 | 69 | 10.2 | 51 | 7.0 | 290 |
| 3 | 1009.0 | 69 | 9.0 | 46 | 2.5 | 310 |
| 4 | 1013.8 | 69 | 8.0 | 53 | 1.8 | 330 |
| 5 | 1013.3 | 69 | 9.8 | 73 | 2.8 | 10 |
| 6 | 1002.2 | 69 | 14.1 | 82 | 3.2 | 290 |
| 7 | 996.2 | 69 | 6.2 | 45 | 10.5 | 330 |
| 8 | 1003.7 | 69 | 3.0 | 48 | 7.5 | 310 |
| 9 | 1007.6 | 69 | 3.6 | 51 | 5.6 | 310 |
| 10 | 1007.8 | 69 | 5.7 | 47 | 8.3 | 300 |
| 11 | 1011.2 | 69 | 6.4 | 48 | 3.9 | 310 |
| 12 | 1012.1 | 69 | 6.3 | 57 | 4.0 | 320 |
| 13 | 1013.1 | 69 | 7.4 | 49 | 4.4 | 310 |
| 14 | 1011.6 | 69 | 7.7 | 44 | 1.3 | 360 |
| 15 | 1009.1 | 69 | 5.6 | 53 | 7.9 | 300 |
| 16 | 1014.9 | 69 | 7.9 | 51 | 3.6 | 320 |
| 17 | 1020.5 | 69 | 7.0 | 69 | 1.8 | 20 |
| 18 | 1018.4 | 69 | 9.3 | 76 | 3.8 | 40 |
| 19 | 1007.5 | 69 | 12.2 | 95 | 2.8 | 30 |
| 20 | 1006.8 | 69 | 10.6 | 49 | 3.5 | 320 |
| 21 | 1014.7 | 69 | 6.0 | 51 | 3.7 | 300 |
| 22 | 1014.4 | 69 | 9.0 | 66 | 2.1 | 320 |
| 23 | 1009.6 | 69 | 11.5 | 64 | 4.0 | 30 |
| 24 | 1008.6 | 69 | 9.5 | 76 | 6.8 | 40 |
| 25 | 999.9 | 69 | 11.1 | 90 | 2.2 | 30 |
| 26 | 1007.0 | 69 | 9.1 | 48 | 3.8 | 300 |
| 27 | 1006.9 | 69 | 11.0 | 57 | 2.0 | 320 |
| 28 | 1005.1 | 69 | 10.1 | 41 | 5.8 | 330 |
| 29 | 1004.7 | 69 | 6.2 | 44 | 7.8 | 320 |
| 30 | 1010.7 | 69 | 6.0 | 46 | 2.9 | 300 |
| 31 | 1008.8 | 69 | 9.0 | 39 | 2.3 | 40 |