指定気圧面の観測データ（日ごとの値）
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父島 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 | 1015.1 | 8 | 18.0 | 52 | 4.2 | 20 |
| 2 | 1012.6 | 8 | 17.8 | 70 | 2.0 | 250 |
| 3 | 1013.2 | 8 | 19.6 | 58 | 2.0 | 60 |
| 4 | 1016.1 | 8 | 18.7 | 57 | 3.3 | 10 |
| 5 | 1018.1 | 8 | 19.4 | 55 | 2.5 | 110 |
| 6 | 1010.2 | 8 | 21.0 | 82 | 5.1 | 120 |
| 7 | 1004.2 | 8 | 21.2 | 76 | 2.2 | 340 |
| 8 | 1008.9 | 8 | 18.3 | 59 | 2.7 | 80 |
| 9 | 1011.8 | 8 | 18.6 | 55 | 4.4 | 320 |
| 10 | 1014.7 | 8 | 18.0 | 54 | 2.6 | 30 |
| 11 | 1015.6 | 8 | 18.1 | 63 | 2.9 | 130 |
| 12 | 1017.4 | 8 | 18.6 | 61 | 2.6 | 130 |
| 13 | 1017.8 | 8 | 17.7 | 62 | 2.9 | 150 |
| 14 | 1020.6 | 8 | 16.1 | 60 | 1.9 | 320 |
| 15 | 1016.0 | 8 | 23.0 | 67 | 10.1 | 220 |
| 16 | 1020.7 | 8 | 18.1 | 61 | 1.4 | 350 |
| 17 | 1023.8 | 8 | 18.2 | 64 | 4.1 | 40 |
| 18 | 1023.0 | 8 | 18.6 | 78 | 1.0 | 140 |
| 19 | 1019.0 | 8 | 21.0 | 75 | 6.6 | 140 |
| 20 | 1014.5 | 8 | 22.3 | 87 | 3.5 | 150 |
| 21 | 1017.8 | 8 | 18.3 | 62 | 4.4 | 30 |
| 22 | 1022.0 | 8 | 16.2 | 55 | 2.0 | 10 |
| 23 | 1019.0 | 8 | 18.4 | 60 | 3.0 | 110 |
| 24 | 1011.4 | 8 | 21.9 | 83 | 5.2 | 180 |
| 25 | 1008.4 | 8 | 20.6 | 80 | 3.0 | 350 |
| 26 | 1012.3 | 8 | 20.3 | 59 | 2.7 | 20 |
| 27 | 1014.8 | 8 | 17.7 | 73 | 1.5 | 350 |
| 28 | 1010.6 | 8 | 19.3 | 87 | 0.8 | 310 |
| 29 | 1011.6 | 8 | 18.6 | 55 | 2.1 | 110 |
| 30 | 1016.1 | 8 | 17.2 | 62 | 3.1 | 10 |
| 31 | 1017.4 | 8 | 17.5 | 58 | 1.9 | 120 |